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Zheng MZ, Chen WX, Zhao YX, Fang Q, Wang LG, Tian SY, Shi YG, Chen JS. Ascorbic acid potentiates photodynamic inactivation mediated by octyl gallate and blue light for rapid eradication of planktonic bacteria and biofilms. Food Chem 2024; 448:139073. [PMID: 38574713 DOI: 10.1016/j.foodchem.2024.139073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 03/07/2024] [Accepted: 03/16/2024] [Indexed: 04/06/2024]
Abstract
This study reported for the first time that Ascorbic acid (AA) could appreciably boost the efficiency of Octyl gallate (OG)-mediated photodynamic inactivation (PDI) on Escherichia coli and Staphylococcus aureus in planktonic and biofilm states. The combination of OG (0.075 mM) and AA (200 mM) with 420 nm blue light (212 mW/cm2) led to a >6 Log killing within only 5 min for E. coli and S. aureus and rapid eradication of biofilms. The mechanism of action appears to be the generation of highly toxic hydroxyl radicals (•OH) via photochemical pathways. OG was exposed to BL irradiation to generate various reactive oxygen radicals (ROS) and the addition of AA could transform singlet oxygen (1O2) into hydrogen peroxide (H2O2), which could further react with AA to generate enormous •OH. These ROS jeopardized bacteria and biofilms by nonspecifically attacking various biomacromolecules. Overall, this PDI strategy provides a powerful microbiological decontamination modality to guarantee safe food products.
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Affiliation(s)
- Mei-Zhi Zheng
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Wen-Xuan Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Yue-Xin Zhao
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Qiang Fang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Ling-Gang Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Shi-Yi Tian
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China; Zhejiang Provincial Collaborative Innovation Center of Food Safety and Nutrition, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
| | - Yu-Gang Shi
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China; Key Laboratory for Food Microbial Technology of Zhejiang Province, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China; Zhejiang Provincial Collaborative Innovation Center of Food Safety and Nutrition, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China.
| | - Jian-She Chen
- School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China
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2
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Wang Z, Li H, Jiang C, Liu W, Zhang S, Zhou Y, Liu K, Xiao Y, Hou R, Wan X, Liu Y. Mn-modified porphyrin metal-organic framework mediated colorimetric and photothermal dual-channel probe for sensitive detection of organophosphorus pesticides. J Colloid Interface Sci 2024; 661:1060-1069. [PMID: 38335790 DOI: 10.1016/j.jcis.2024.02.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Revised: 01/27/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
Herein, a novel dual-mode probe for organophosphorus pesticides (OPs) colorimetric and photothermal detection was developed based on manganese modified porphyrin metal-organic framework (PCN-224-Mn). PCN-224-Mn had excellent oxidase-like activity and oxidized colorless 3,3,5,5-tetramethylbenzidine (TMB) to blue-green oxidation state TMB (oxTMB), which exhibited high temperature under near-infrared irradiation. l-ascorbate-2-phosphate was hydrolyzed by acid phosphatase to produce ascorbic acid, which weakened colorimetric and photothermal signals by impacting oxTMB generation. The presence of OPs blocked the production of ascorbic acid by irreversibly inhibiting the activity of acid phosphatase, causing the restoration of chromogenic reaction and the increase of temperature. Under the optimal conditions, the probe showed a good linear response to OPs in the concentration range of 5 ∼ 10000 ng/mL, using glyphosate as the analog. The detection limits of glyphosate in colorimetric mode and photothermal mode were 1.47 ng/mL and 2.00 ng/mL, respectively. The probe was successfully used for sensitive identification of OPs residues in tea, brown rice, and wheat flour. This work proposes a simple and reliable colorimetric/photothermal platform for OPs identification, which overcomes the problem that single-mode detection probes are susceptible to external factors, and has broad application potential in the field of food safety.
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Affiliation(s)
- Zheng Wang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Hui Li
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Chuang Jiang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Wenya Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Siyu Zhang
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Yibin Zhou
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Kang Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Yaqing Xiao
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Ruyan Hou
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China.
| | - Xiaochun Wan
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China.
| | - Yingnan Liu
- State Key Laboratory of Tea Plant Biology and Utilization, Key Laboratory of Jianghuai Agricultural Product Fine Processing and Resource Utilization of Ministry of Agriculture and Rural Affairs, College of Tea & Food Science and Technology, Anhui Agricultural University, Hefei 230036, China.
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Huang H, Wang Q, Ning Z, Ma Y, Huang Y, Wu Y, Yang Y, Xiao M, Ye J. Preparation, antibacterial activity, and structure-activity relationship of low molecular weight κ-carrageenan. Int J Biol Macromol 2024; 266:131021. [PMID: 38522689 DOI: 10.1016/j.ijbiomac.2024.131021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 02/29/2024] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
κ-Carrageenan (KC) is a polysaccharide widely used in food industry. It has been widely studied for its excellent physicochemical and beneficial properties. However, the high molecular weight and high viscosity of KC make it difficult to be absorbed and to exert its' biological activities, thus limit its extensive industrial application. In order to solve this problem, five low molecular weight κ-carrageenans (DCPs) were prepared by the degradation of KC using hydrogen peroxide (H2O2) and ascorbic acid (AH2). The chemical compositions and structure characteristics of the DCPs were then determined. The results showed that H2O2 and AH2 could effectively degrade KC to DCPs, and DCPs remained the basic skeletal structure of KC. DCPs showed good antibacterial activities against Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa and Bacillus subtilis. The Minimum Inhibitory Concentration (MIC) of DCPs with the highest antibacterial effects were 5.25, 4.5, 5.25, and 4.5 mg/mL, respectively. This is due to the underlying mechanism of DCPs that bind to the bacterial membrane proteins and change the membrane permeability, thus exerting antibacterial activity. In addition, Spearman's rank correlation and Ridge regression analysis revealed that the molecular weight and the contents of 3,6-anhydro-D-galactose, aldehyde group, carboxyl, and sulfate were the main structural characteristics affecting the antibacterial activity. Our findings reveal that the H2O2-AH2 degradation treatment could significantly improve the antibacterial activity of KC and provide insights into the quantitative structure-activity relationships of the antibacterial activity of DCPs.
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Affiliation(s)
- Haibing Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Qing Wang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Zichen Ning
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Yake Ma
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China
| | - Yayan Huang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Yaqing Wu
- Instrumental Analysis Center of Huaqiao University, Xiamen 361021, China
| | - Yucheng Yang
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Meitian Xiao
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China
| | - Jing Ye
- College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; Xiamen Engineering and Technological Research Center for Comprehensive Utilization of Marine Biological Resources, Xiamen 361021, China.
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Santos JCC, Correa JLG, Furtado MLB, de Morais LC, Borges SV, de Oliveira CR, de Resende JV, de Oliveira LF. Influence of intensity ultrasound on rheological properties and bioactive compounds of araticum (Annona crassiflora) juice. Ultrason Sonochem 2024; 105:106868. [PMID: 38581798 PMCID: PMC11015517 DOI: 10.1016/j.ultsonch.2024.106868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 02/21/2024] [Accepted: 04/02/2024] [Indexed: 04/08/2024]
Abstract
The use of extracts rich in bioactive compounds is becoming increasingly common in the food, cosmetics, and pharmaceutical industries for the production of functional products. Araticum is a potential fruit to be analyzed due to its content of phenolic compounds, carotenoids and vitamins, with antioxidant properties. Therefore, this study aimed to investigate the effect of ultrasound on total phenolic compounds, total carotenoids, ascorbic acid, color, turbidity and rheology in araticum juice. Response surface methodology based on a central composite design was applied. Araticum juice was subjected to sonication at amplitude levels ranging from 20 to 100 % of the total power (400 W) at a constant frequency of 20 kHz for different durations (2 to 10 min). Morphological analysis was conducted to observe microscopic particles, and viscosity and suitability to rheological models (Newtonian, Power Law, and Herschel-Bulkley) were assessed. The ultrasonic probe extraction method was compared to the control juice. According to the responses, using the desirability function, the optimal conditions for extraction were determined to be low power (low amplitude) applied in a short period of time or low power applied in a prolonged time. These conditions allowed an ultrasonic probe to act on releasing bioactive compounds without degrading them. All three rheological models were suitable, with the Power Law model being the most appropriate, exhibiting non-Newtonian pseudoplastic behavior.
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Affiliation(s)
| | | | | | | | | | | | | | - Letícia Fernandes de Oliveira
- Laboratory of bioprocesses and metabolic biochemistry, Universidade Federal de São João del-Rei, Campus CCO, Divinópolis, MG, Brasil
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Gębczyński P, Tabaszewska M, Kur K, Zbylut-Górska M, Słupski J. Effect of the Drying Method and Storage Conditions on the Quality and Content of Selected Bioactive Compounds of Green Legume Vegetables. Molecules 2024; 29:1732. [PMID: 38675551 PMCID: PMC11052391 DOI: 10.3390/molecules29081732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Revised: 04/03/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
This study aimed to determine the effect of the drying method (freeze-drying, air-drying), storage period (12 months), and storage conditions (2-4 °C, 18-22 °C) applied to two legume species: green beans and green peas. The raw and dried materials were determined for selected physical parameters typical of dried vegetables, contents of bioactive components (vitamin C and E, total chlorophyll, total carotenoids, β-carotene, and total polyphenols), antioxidative activity against the DPPH radical, and sensory attributes (overall quality and profiles of color, texture, and palatability). Green beans had a significantly higher content of bioactive components compared to peas. Freeze-drying and cold storage conditions facilitated better retention of these compounds, i.e., by 9-39% and 3-11%, respectively. After 12 months of storage, higher retention of bioactive components, except for total chlorophyll, was determined in peas regardless of the drying method, i.e., by 38-75% in the freeze-dried product and 30-77% in the air-dried product, compared to the raw material.
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Affiliation(s)
- Piotr Gębczyński
- Department of Plant Product Technology and Nutrition Hygiene, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (P.G.); (K.K.); (J.S.)
| | - Małgorzata Tabaszewska
- Department of Plant Product Technology and Nutrition Hygiene, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (P.G.); (K.K.); (J.S.)
| | - Katarzyna Kur
- Department of Plant Product Technology and Nutrition Hygiene, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (P.G.); (K.K.); (J.S.)
| | - Maria Zbylut-Górska
- Department of Land Surveying, Faculty of Environmental Engineering and Land Surveying, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland;
| | - Jacek Słupski
- Department of Plant Product Technology and Nutrition Hygiene, Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (P.G.); (K.K.); (J.S.)
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Yu AX, Liang XH, Hao CD, Hu XZ, Li JJ, Bo XJ, Du DY, Su ZM. Heterometallic MIL-125(Ti-Al) frameworks for electrochemical determination of ascorbic acid, dopamine and uric acid. Dalton Trans 2024; 53:6275-6281. [PMID: 38506644 DOI: 10.1039/d4dt00021h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
The detection of ascorbic acid (AA), dopamine (DA), and uric acid (UA) is not only of great significance in the areas of biomedicine and neurochemistry but also helpful in disease diagnosis and pathology research. Due to their diverse structures, designability, and large specific surface areas, metal-organic frameworks (MOFs) have recently caught considerable attention in the electrochemical field. Herein, a family of heterometallic MOFs with amino modification, MIL-125(Ti-Al)-xNH2 (x = 0%, 25%, 50%, 75%, and 100%), were synthesized and employed as electrochemical sensors for the detection of AA, DA, and UA. Among them, MIL-125(Ti-Al)-75%NH2 exhibited the most promising electrochemical behavior with 40% doping of carbon black in 0.1 M PBS (pH = 7.10), which displayed individual detection performance with wide linear detection ranges (1.0-6.5 mM for AA, 5-100 μM for DA and 5-120 μM for UA) and low limits of detection (0.215 mM for AA, 0.086 μM for DA, and 0.876 μM for UA, S/N = 3). Furthermore, the as-prepared MIL-125(Ti-Al)-75%NH2/GCE provided a promising platform for future application in real sample analysis, owing to its excellent anti-interference performance and good stability.
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Affiliation(s)
- Ai-Xuan Yu
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Xiao-Huan Liang
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Cun-Di Hao
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Xian-Zheng Hu
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Jia-Jia Li
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Xiang-Jie Bo
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Dong-Ying Du
- National & Local United Engineering Laboratory for Power Battery, Department of Chemistry, Northeast Normal University, Changchun 130024, P. R. China.
| | - Zhong-Min Su
- College of Science, Hainan University, Haikou 570228, P. R. China
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Cao L, Zhou Y, Gao L, Yin H, Zhang M, Zhang H, Ju P, Dou K, Ai S. Ascorbic Acid Induced the Improved Oxygen Vacancy Defects of Bi 4O 5Br 2 and Its Application on Photoelectrochemical Detection of DNA Demethylase MBD2 with Improved Detection Sensitivity. Small 2024; 20:e2306365. [PMID: 38009777 DOI: 10.1002/smll.202306365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/20/2023] [Indexed: 11/29/2023]
Abstract
Oxygen vacancy defects (OVs) are one of the main strategies for nanomaterials modification to improve the photoactivity, but current methods for fabricating OVs are usually complicated and harsh. It is important to develop simple, rapid, safe, and mild methods to fabricate OVs. By studying the effects of different weak reducing agents, the concentration of the reducing agent and the reaction time on fabrication of OVs, it is found that L-ascorbic acid (AA) gently and rapidly induces the increase of OVs in Bi4O5Br2 at room temperature. The increased OVs not only improve the adsorption of visible light, but also enhance the photocurrent response. Based on this, the preparation of OVs in Bi4O5Br2 is employed to the development of a photoelectrochemical biosensor for the detection of DNA demethylase of methyl-CpG binding domain protein 2 (MBD2). The biosensor shows a wide linear range of 0.1-400 ng mL-1 and a detection limit as low as 0.03 ng mL-1 (3σ). In addition, the effect of plasticizers on MBD2 activity is evaluated using this sensor. This work not only provides a novel method to prepare OVs in bismuth rich materials, but also explores a new novel evaluation tool for studying the ecotoxicological effects of contaminants.
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Affiliation(s)
- LuLu Cao
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Yunlei Zhou
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Lanlan Gao
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Huanshun Yin
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Miao Zhang
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Haowei Zhang
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
| | - Peng Ju
- Key Laboratory of Marine Eco-Environmental Science and Technology, Marine Bioresource and Environment Research Center, First Institute of Oceanography, Ministry of Natural Resources, Qingdao, 266061, P. R. China
| | - Kunpeng Dou
- College of Information Science and Engineering, Ocean University of China, Qingdao, 266061, P. R. China
| | - Shiyun Ai
- College of Chemistry and Material Science, Key Laboratory of Low-Carbon and Green Agriculture Chemistry in Universities of Shandong, Key Laboratory of Agricultural Film Application of Ministry of Agriculture and Rural Affairs, Food Safety Analysis and Test Engineering Technology Research Center of Shandong Province, Shandong Agricultural University, Tai'an, 271018, P. R. China
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Liu Q, Chen K, Xu X, Zhang Q, Liang H, Cao C. A facile double moving redox boundary model for visual electrophoresis titration of ascorbic acid. Electrophoresis 2024; 45:639-650. [PMID: 38227365 DOI: 10.1002/elps.202300194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 12/19/2023] [Accepted: 01/03/2024] [Indexed: 01/17/2024]
Abstract
In this work, we proposed a double moving redox boundary (MROB) model to realize the colorless analyte electrophoresis titration (ET) by the two steps of the redox reaction. Single MROB has been proposed for the development of ET sensing (Analyst, 2013, 138, 1137. ACS Sensor, 2019, 4, 126.), and faces great challenges in detecting the analyte without color change during redox reaction. Herein, a novel model of double-MROB electrophoresis, including its mechanisms, equations, and procedures, was developed for titration by using ascorbic acid as a model analyte. The first MROB was created with ferric iron (Fe3+) and iodide ion (I-) in which Fe3+ was reduced as Fe2+ and I- was oxidized as molecular iodine (I2) used as an indicator of visible MROB due to blue starch-iodine complex. The second boundary was then formed between the molecular iodine and model analyte of ascorbic acid. Under given conditions, there was a quantitative relationship between velocity of MROB (VMROB(ii)) and ascorbic acid concentration (CVit C) in the double-MROB system (1/VMROB(ii) = 0.6502CVit C + 4.5165, and R = 0.9939). The relevant relative standard deviation values of intraday and inter-day were less than ∼5.55% and ∼6.64%, respectively. Finally, the titration of ascorbic acid in chewable vitamin C tablets was performed by the developed method, the titration results agreed with those via the classic iodometric titration. All the results briefly demonstrated the validity of the double MROB model, in which Vit C was used as a model analyte. The developed method had potential use in quantitative analysis of redox-active species in biomedical samples.
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Affiliation(s)
- Qian Liu
- School of Sensing Science and Technology, School of Electronic Information and Electric Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
- Key Laboratory of Biomedical Information Engineering of Education Ministry, Xi'an Jiao Tong University, Xi'an, P. R. China
| | - Keer Chen
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, P. R. China
| | - Xu Xu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, P. R. China
| | - Qiang Zhang
- School of Sensing Science and Technology, School of Electronic Information and Electric Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
| | - Heng Liang
- Key Laboratory of Biomedical Information Engineering of Education Ministry, Xi'an Jiao Tong University, Xi'an, P. R. China
| | - Chengxi Cao
- School of Sensing Science and Technology, School of Electronic Information and Electric Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
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Noreen A, Anwar Z, Ahsan Ejaz M, Usmani M, Khan T, Ali Sheraz M, Ahmed S, Mirza T, Khurshid A, Ahmad I. Riboflavin (vitamin B 2) sensitized photooxidation of ascorbic acid (vitamin C): A kinetic study. Spectrochim Acta A Mol Biomol Spectrosc 2024; 309:123813. [PMID: 38198998 DOI: 10.1016/j.saa.2023.123813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/01/2023] [Accepted: 12/23/2023] [Indexed: 01/12/2024]
Abstract
Ascorbic acid (AH2) photoxidation sensitized by riboflavin (RF) has been studied between pH 2.0 and 12.0 in ambient air and anaerobic environment using UV and visible irradiation sources. The kinetics of AH2 degradation in aqueous medium along with RF is found to be first-order for its photodegradation. AH2 photolysis rate constants in aerobic and anaerobic conditions with RF (1.0-5.0 × 10-5 M) are 0.14-3.89 × 10-2 and 0.026-0.740 × 10-2 min-1, respectively. The rate constants (k2) of second-order kinetics for AH2 and RF photochemical interaction in aerobic and anaerobic conditions are in the range of 0.24-3.70 to 0.05-0.70 × 10-3 M-1 min-1, respectively, which manifests that increasing the RF concentration also increases the rate of photodegradation (photooxidation) of AH2. The k2 versus pH graph is bell-shaped which indicates that increasing the pH increases photolytic degradation rate of AH2 with RF. Increasing the pH results in the increased ionization of AH2 (ascorbyl anion, AH-) and redox potential which leads to the higher rates of photodegradation of AH2. Two-component spectrophotometric (243 and 266 nm, AH2 and RF, respectively) and high-performance liquid chromatography (HPLC) methods have been used to determine the concentration of AH2 and RF in pure and degraded solutions. The results obtained from these two methods are compared using a student t-test which showed no noteworthy difference between them.
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Affiliation(s)
- Aisha Noreen
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Zubair Anwar
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan.
| | - Muhammad Ahsan Ejaz
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Muneeba Usmani
- Department of Pharmaceutics, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Tooba Khan
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Sindh, Allama I.I., Kazi Campus, Jamshoro 76080, Sindh, Pakistan
| | - Muhammad Ali Sheraz
- Department of Pharmaceutics, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Sofia Ahmed
- Department of Pharmaceutics, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Tania Mirza
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Adeela Khurshid
- Department of Pharmaceutics, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
| | - Iqbal Ahmad
- Department of Pharmaceutical Chemistry, Baqai Institute of Pharmaceutical Sciences, Baqai Medical University, Gadap Road, Super Highway, Karachi 75340, Pakistan
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10
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Oğuz M, Aykaç A, Şen M. A disposable sensor based on one-pot synthesized tungsten oxide nanostructure-modified screen printed electrodes for selective detection of dopamine and uric acid. ANAL SCI 2024; 40:301-308. [PMID: 37971693 DOI: 10.1007/s44211-023-00459-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023]
Abstract
Here, screen-printed carbon electrodes (SPCEs) were modified with ultrafine and mainly mono-disperse sea urchin-like tungsten oxide (SUWO3) nanostructures synthesized by a simple one-pot hydrothermal method for non-enzymatic detection of dopamine (DA) and uric acid (UA) in synthetic urine. Sea urchin-like nanostructures were clearly observed in scanning electron microscope images and WO3 composition was confirmed with XRD, Raman, FTIR and UV-Vis spectrophotometer. Modification of SPCEs with SUWO3 nanostructures via the drop-casting method clearly reduced the Rct value of the electrodes, lowered the ∆Ep and enhanced the DA oxidation current due to high electrocatalytic activity. As a result, SUWO3/SPCEs enabled highly sensitive non-enzymatic detection of DA (LOD: 51.4 nM and sensitivity: 127 µA mM-1 cm-2) and UA (LOD: 253 nM and sensitivity: 55.9 µA mM-1 cm-2) at low concentration. Lastly, SUWO3/SPCEs were tested with synthetic urine, in which acceptable recoveries for both molecules (94.02-105.8%) were obtained. Given the high selectivity, the sensor has the potential to be used for highly sensitive simultaneous detection of DA and UA in real biological samples.
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Affiliation(s)
- Merve Oğuz
- Department of Biomedical Engineering Graduate Program, Izmir Katip Celebi University, Izmir, Turkey
| | - Ahmet Aykaç
- Department of Engineering Sciences, Izmir Katip Celebi University, Izmir, Turkey.
| | - Mustafa Şen
- Department of Biomedical Engineering, Izmir Katip Celebi University, Izmir, Turkey.
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11
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Thirumalai D, Subramani D, Kim J, Rajarathinam T, Yoon JH, Paik HJ, Lee J, Chang SC. Conductive PEDOT:PSS copolymer electrode coatings for selective detection of dopamine in ex vivo mouse brain slices. Talanta 2024; 267:125252. [PMID: 37774451 DOI: 10.1016/j.talanta.2023.125252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 09/14/2023] [Accepted: 09/26/2023] [Indexed: 10/01/2023]
Abstract
A novel voltammetric sensor was developed to selectively determine dopamine (DA) concentration in the presence of ascorbic acid (AA) and 3,4-dihydroxyphenylacetic acid (DOPAC). This sensor utilizes a modified pencil graphite electrode (PGE) coated with a newly synthesized poly (3,4-ethylene dioxythiophene) (PEDOT):poly (styrene sulfonate-co-2-(3-(6-Methyl-4-oxo-1,4-dihydropyrimidin-2-yl) ureido) ethyl methacrylate) (P(SS-co-UPyMA)) composite. The PEDOT:P(SS-co-UPyMA) (PPU) composite was characterized using nuclear magnetic resonance, X-ray photoelectron, and Raman spectroscopies. The PPU-coated PGE was characterized using electrochemical techniques, including cyclic and differential pulse voltammetry. Compared to uncoated, PPU-coated PGE demonstrated improved sensitivity and selectivity for DA. The sensor exhibited a dynamic linear range of 0.1-300 μM for DA, with a detection limit of 44.4 nM (S/N = 3). Additionally, the PPU-coated PGE showed high reproducibility and storage stability for four weeks. To demonstrate its practical applicability, the PPU-coated PGE sensor was used for ex vivo brain slice samples from control and Parkinson's disease model mice.
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Affiliation(s)
- Dinakaran Thirumalai
- BIT Convergence-based Innovative Drug Development Targeting Meta-inflammation, Pusan National University, Busan, 46241, Republic of Korea
| | - Devaraju Subramani
- Department of Polymer Science and Engineering, Pusan National University, Busan, 46241, Republic of Korea; Polymer Composites Lab, Department of Chemistry, School of Applied Science and Technology, Vignan's Foundation for Science, Technology, and Research (Deemed to be University), Vadlamudi, Guntur, Andhra Pradesh, 522213, India
| | - Jaehoon Kim
- Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea
| | - Thenmozhi Rajarathinam
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
| | - Jang-Hee Yoon
- Busan Centre, Korea Basic Science Institute, Busan, 46742, Republic of Korea
| | - Hyun-Jong Paik
- Department of Polymer Science and Engineering, Pusan National University, Busan, 46241, Republic of Korea.
| | - Jaewon Lee
- BIT Convergence-based Innovative Drug Development Targeting Meta-inflammation, Pusan National University, Busan, 46241, Republic of Korea; Department of Pharmacy, College of Pharmacy, Pusan National University, Busan, 46241, Republic of Korea.
| | - Seung-Cheol Chang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea.
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12
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Condezo-Hoyos L, Cortés-Avendaño P, Lama-Quispe S, Calizaya-Milla YE, Méndez-Albiñana P, Villamiel M. Structural, chemical and technofunctional properties pectin modification by green and novel intermediate frequency ultrasound procedure. Ultrason Sonochem 2024; 102:106743. [PMID: 38150956 PMCID: PMC10765486 DOI: 10.1016/j.ultsonch.2023.106743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/05/2023] [Accepted: 12/20/2023] [Indexed: 12/29/2023]
Abstract
The impact of intermediate frequency ultrasound (IFUS, 582, 864 and 1144 kHz), mode of operation (continue and pulsed) and ascorbic acid (Aa) addition on the structural, chemical and technofunctional properties of commercial citrus high methoxyl-grade pectin (HMP) was investigated. The chemical dosimetry of IFUS, monitored by the triiodide formation rate (I3-), demonstrated that the pulsed ratio (1900 ms on/100 ms off) at the three frequencies was similar to that of continue mode but IFUS1144 kHz produced more acoustic streaming demonstrated by the height liquid measured using image analysis. In presence of Aa, HMP presented higher fragmentation than in its absence. IFUS did not give rise any changes in the main functional groups of the HMP. In general, a reduction in molecular weight was observed, being the presence of Aa the most influencing factor. Regarding monosaccharides, IFUS modified the structure of homogalacturonan and rhamnogalacturonan-I and increased of GalA contents of the HMP in presence of Aa at the above three frequencies. A reducing of the consistency index (k) and increasing of the flow index (n) of HMP were showed by IFUS frequency and Aa addition. The emulsifying activity and stability index were increased for HMP treated by IFUS in continue mode at all frequencies and in presence of Aa. The results presented in this research shown the effectiveness of IFUS as tool to modify pectin into different structures with different functionalities.
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Affiliation(s)
- Luis Condezo-Hoyos
- Innovative Technology, Food and Health Research Group, Facultad de Industrias Alimentarias, Universidad Nacional Agraria La Molina, Av. La Molina s/n, Lima, Perú; Instituto de Investigación de Bioquímica y Biología Molecular, Universidad Nacional Agraria La Molina, Av. La Molina s/n, Lima, Peru.
| | - Paola Cortés-Avendaño
- Innovative Technology, Food and Health Research Group, Facultad de Industrias Alimentarias, Universidad Nacional Agraria La Molina, Av. La Molina s/n, Lima, Perú
| | - Sebastián Lama-Quispe
- Innovative Technology, Food and Health Research Group, Facultad de Industrias Alimentarias, Universidad Nacional Agraria La Molina, Av. La Molina s/n, Lima, Perú
| | - Yaquelin E Calizaya-Milla
- Innovative Technology, Food and Health Research Group, Facultad de Industrias Alimentarias, Universidad Nacional Agraria La Molina, Av. La Molina s/n, Lima, Perú
| | - Pablo Méndez-Albiñana
- Grupo de Química y Funcionalidad de Carbohidratos y Derivados, Instituto de Investigación en Ciencias de la Alimentación (CIAL) (CSIC-UAM) CEI (CSIC+UAM), Nicolás Cabrera, 9, Campus de la Universidad Autónoma de Madrid, 28049 Madrid, Spain; Departamento de Fisiología, Facultad de Medicina, Universidad Autónoma de Madrid 28029 Madrid, España
| | - Mar Villamiel
- Grupo de Química y Funcionalidad de Carbohidratos y Derivados, Instituto de Investigación en Ciencias de la Alimentación (CIAL) (CSIC-UAM) CEI (CSIC+UAM), Nicolás Cabrera, 9, Campus de la Universidad Autónoma de Madrid, 28049 Madrid, Spain.
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13
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Zheng Z, Liu L, Ouyang S, Chen Y, Lin P, Chen H, You Y, Zhao P, Huang K, Tao J. In Situ Ratiometric Determination of Cerebral Ascorbic Acid after Ischemia Reperfusion. ACS Sens 2023; 8:4587-4596. [PMID: 38038440 DOI: 10.1021/acssensors.3c01515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2023]
Abstract
Ascorbic acid (AA) is significant in protecting the brain from further damage and maintaining brain homeostasis after ischemia stroke (IS); however, the dynamic change of cerebral AA content after different degrees of ischemic stroke is still unclear. Herein, carboxylated single-walled carbon nanotube (CNT-COOH)- and polyethylenedioxythiophene (PEDOT)-modified carbon fiber microelectrodes (CFEs) were proposed to detect in situ cerebral AA with sensitivity, selectivity, and stability. Under differential pulse voltammetry scanning, the CFE/CNT-COOH/PEDOT gave a ratiometric, electrochemically responsive signal. The internal standard peak at -310 mV was from the reversible peak of O2 reduction and the deprotonation and protonation of quinone groups, while AA was oxidized at -70 mV. In vivo experimental results indicated that the cerebral AA level gradually increased with the ischemic time increasing in different middle cerebral artery occlusion (MCAO) model mice. This work implies that the increasing cerebral AA level may be highly related to the glutamate excitotoxicity and ROS-led cell apoptosis and paves a new way for further understanding the release and metabolic mechanisms of AA during ischemia reperfusion and IS.
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Affiliation(s)
- Zhiyuan Zheng
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 510515 Guangzhou, China
| | - Lina Liu
- School of Chemistry and Chemical Engineering, South China University of Technology, 510640 Guangzhou, China
| | - Sixue Ouyang
- School of Chemistry and Chemical Engineering, South China University of Technology, 510640 Guangzhou, China
| | - Yuying Chen
- School of Chemistry and Chemical Engineering, South China University of Technology, 510640 Guangzhou, China
| | - Peiru Lin
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 510515 Guangzhou, China
| | - Huiting Chen
- School of Chemistry and Chemical Engineering, South China University of Technology, 510640 Guangzhou, China
| | - Yuanyuan You
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 510515 Guangzhou, China
| | - Peng Zhao
- NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of Cardiac Function and Microcirculation, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 510515 Guangzhou, China
| | - Kaibin Huang
- Department of Neurology, Nanfang Hospital, Southern Medical University, 510515 Guangzhou, China
| | - Jia Tao
- School of Chemistry and Chemical Engineering, South China University of Technology, 510640 Guangzhou, China
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14
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Tecuapa-Flores ED, Palacios-Cabrera CB, Santiago-Cuevas AJ, Hernández JG, Narayanan J, Thangarasu P. Simultaneous recognition of dopamine and uric acid in real samples through highly sensitive new electrode fabricated using ZnO/carbon quantum dots: bio-imaging and theoretical studies. Analyst 2023; 149:108-124. [PMID: 37982410 DOI: 10.1039/d3an01467c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Dopamine (DA) and uric acid (UA), which are vital components in human metabolism, cause several health problems if they are present in altered concentrations; thus, the determination of DA and UA is essential in real samples using selective sensors. In the present study, graphite carbon paste electrodes (CPE) were fabricated using ZnO/carbon quantum dots (ZnO/CQDs) and employed as electrochemical sensors for the detection of DA and UA. These electrodes were fully characterized via different analytical techniques (XRD, SEM, TEM, XPS, and EDS). The electrochemical responses from the modified electrodes were evaluated using cyclic voltammetry, square wave voltammetry, and electrochemical impedance spectroscopy. The results showed that the present electrode has exhibited high sensitivity towards DA, recognizing even at low concentrations (0.12 μM), and no inference was observed in the presence of UA. The ZnO/CQD electrode was applied for the simultaneous detection of co-existing DA and UA in real human urine samples and the peak potential separation between DA and UA was found to be greatly associated with the synergistic effect originated from ZnO and CQDs. The limit of detection (LOD) of the electrode was analyzed, and compared with other commercially available electrodes. Thus, the ZnO/CQD electrode was used to detect DA and UA in real samples, such as Saccharomyces cerevisiae cells.
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Affiliation(s)
- Eduardo D Tecuapa-Flores
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Av. Mexiquense s/n esquina Av. Universidad Politécnica, Tultitlán, Estado de México CP 54910, México
| | - Cristian B Palacios-Cabrera
- Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510, México D. F., México.
| | - Alan J Santiago-Cuevas
- Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510, México D. F., México.
| | - José G Hernández
- Centro Tecnológico, Facultad de Estudios Superiores (FES-Aragón), Universidad Nacional Autónoma de México (UNAM), Estado de México, CP 57130, México
| | - Jayanthi Narayanan
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Av. Mexiquense s/n esquina Av. Universidad Politécnica, Tultitlán, Estado de México CP 54910, México
| | - Pandiyan Thangarasu
- Facultad de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Coyoacán 04510, México D. F., México.
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15
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Sehrish A, Manzoor R, Lu Y. Ultrathin porous PdCu metallenezymes as oxidase mimics for colorimetric analysis. Mikrochim Acta 2023; 191:13. [PMID: 38081983 DOI: 10.1007/s00604-023-06102-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 11/14/2023] [Indexed: 12/18/2023]
Abstract
Ultrathin porous and highly curved two-dimensional PdCu alloy metallene are shown to be highly efficient oxidase mimics. Serving as intrinsic oxidase mimic, the ultrathin porous structure of the PdCu metallenezymes could effectively utilize all the Pd atoms of the metallenezymes during catalytic reactions. By using the oxidation capability of 3,3'5,5'-tetramethylbenzidine as distinctive chromogenic substrate, the PdCu metallenezymes was used as oxidase-like mimics for determination of total antioxidant capacity (TAC) of vitamin C containing real products including fresh orange juice, commercial beverages, Vitamin C tablets and dermo-cosmetic products. AAP was hydrolyzed using ALP to generate AA and the corresponding ALP activity was successfully detected in the 0-100 U/L range with a lowest detection limit of 0.9 U/L. This study demonstrates the significant catalytic performance and oxidase-like activity of PdCu metallene nanozyme providing a strategy to develop a TAC assay for the assessment of antioxidant food quality as well as oxidative stress in skin and health care products.
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Affiliation(s)
- Aniqa Sehrish
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Romana Manzoor
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, China
| | - Yizhong Lu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
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16
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Zeng Z, Wang J, Zhao S, Zhang Y, Fan J, Wu H, Chen J, Zhang Z, Meng Z, Yang L, Wang R, Zhang B, Wang G, Li C, Zang G. A Bioinspired Flexible Sensor for Electrochemical Probing of Dynamic Redox Disequilibrium in Cancer Cells. Adv Sci (Weinh) 2023; 10:e2304079. [PMID: 37943018 PMCID: PMC10754098 DOI: 10.1002/advs.202304079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/15/2023] [Indexed: 11/10/2023]
Abstract
Malignant tumors pose a serious risk to human health. Ascorbic acid (AA) has potential for tumor therapy; however, the mechanism underlying the ability of AA to selectively kill tumor cells remains unclear. AA can cause redox disequilibrium in tumor cells, resulting in the release of abundant reactive oxygen species, represented by hydrogen peroxide (H2 O2 ). Therefore, the detection of H2 O2 changes can provide insight into the selective killing mechanism of AA against tumor cells. In this work, inspired by the ion-exchange mechanism in coral formation, a flexible H2 O2 sensor (PtNFs/CoPi@CC) is constructed to monitor the dynamics of H2 O2 in the cell microenvironment, which exhibits excellent sensitivity and spatiotemporal resolution. Moreover, the findings suggest that dehydroascorbic acid (DHA), the oxidation product of AA, is highly possible the substance that actually acts on tumor cells in AA therapy. Additionally, the intracellular redox disequilibrium and H2 O2 release caused by DHA are positively correlated with the abundance and activity of glucose transporter 1 (GLUT1). In conclusion, this work has revealed the potential mechanism underlying the ability of AA to selectively kill tumor cells through the construction and use of PtNFs/CoPi@CC. The findings provide new insights into the clinical application of AA.
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Affiliation(s)
- Zhongyuan Zeng
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Jian Wang
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
- Department of PathophysiologyChongqing Medical UniversityChongqing400016P. R. China
| | - Shuang Zhao
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing UniversityChongqing400030P. R. China
- Jinfeng LaboratoryChongqing401329P. R. China
| | - Yuchan Zhang
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Jingchuan Fan
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Hui Wu
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Jiajia Chen
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Zaikuan Zhang
- The M.O.E. Key Laboratory of Laboratory Medical DiagnosticsThe College of Laboratory MedicineChongqing Medical UniversityChongqing400016P. R. China
| | - Zexuan Meng
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Lu Yang
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
| | - Renzhi Wang
- Bioelectronics and Biosensors CenterSchool of MedicineChinese University of Hong KongShenzhen 2001 Longxiang Avenue, Longgang DistrictShenzhen518172P. R. China
| | - Bo Zhang
- Bioelectronics and Biosensors CenterSchool of MedicineChinese University of Hong KongShenzhen 2001 Longxiang Avenue, Longgang DistrictShenzhen518172P. R. China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of EducationState and Local Joint Engineering Laboratory for Vascular ImplantsBioengineering College of Chongqing UniversityChongqing400030P. R. China
- Jinfeng LaboratoryChongqing401329P. R. China
| | - Chen‐Zhong Li
- Bioelectronics and Biosensors CenterSchool of MedicineChinese University of Hong KongShenzhen 2001 Longxiang Avenue, Longgang DistrictShenzhen518172P. R. China
| | - Guangchao Zang
- Institute of Life Science and Laboratory of Tissue and Cell BiologyLab Teaching & Management CenterChongqing Medical UniversityChongqing400016P. R. China
- Department of PathophysiologyChongqing Medical UniversityChongqing400016P. R. China
- Jinfeng LaboratoryChongqing401329P. R. China
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17
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Xiu W, Wang X, Na Z, Yu S, Wang J, Yang M, Ma Y. Ultrasound-assisted hydrogen peroxide-ascorbic acid method to degrade sweet corncob polysaccharides can help treat type 2 diabetes via multiple pathways in vivo. Ultrason Sonochem 2023; 101:106683. [PMID: 37948893 PMCID: PMC10663900 DOI: 10.1016/j.ultsonch.2023.106683] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 10/22/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
In this study, we aimed to investigate the impact of various ultrasound durations on the structure and bioactivity of sweet corncob polysaccharides treated with ultrasound-assisted degradation using hydrogen peroxide and ascorbic acid (H2O2-Vc). We subjected sweet corncob polysaccharides to ultrasound treatment for 0, 30, 60, and 90 min alongside the H2O2-Vc method. We then analyzed their chemical composition and structure. Additionally, we administered these polysaccharides to mice with type 2 diabetes (T2DM) through gavage at a dosage of 200 mg/kg/day. The results indicated a significant reduction in the molecular weight of the degraded sweet corncob polysaccharides, while their composition remained relatively stable. However, the basic structure of the polysaccharides was retained. In vivo experiments demonstrated that ultrasound-assisted degradation of these polysaccharides had a positive impact on T2DM, particularly the 60-minute ultrasound treatment (UH-DSCBP-60 min), which effectively controlled blood glucose levels by regulating glycolipid metabolism in the livers of mice with T2DM. This approach also reduced inflammation and oxidative stress levels and inhibited disaccharide activity in the small intestine. We demonstrated that ultrasound can positively affect the sweet corncob polysaccharides hypoglycemic activity. The findings of our study provide a theoretical foundation for the valuable utilization of sweet corncob polysaccharides.
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Affiliation(s)
- Weiye Xiu
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
| | - Xin Wang
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China.
| | - Zhiguo Na
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
| | - Shiyou Yu
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
| | - Jingyang Wang
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
| | - Mengyuan Yang
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
| | - Yongqiang Ma
- College of Food Engineering, Harbin University of Commerce, Heilongjiang Provincial Key Laboratory of Cereals and Comprehensive Processing of Cereal Resources, Harbin, Heilongjiang 150028, China
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18
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Craciunescu O, Seciu-Grama AM, Mihai E, Utoiu E, Negreanu-Pirjol T, Lupu CE, Artem V, Ranca A, Negreanu-Pirjol BS. The Chemical Profile, Antioxidant, and Anti-Lipid Droplet Activity of Fluid Extracts from Romanian Cultivars of Haskap Berries, Bitter Cherries, and Red Grape Pomace for the Management of Liver Steatosis. Int J Mol Sci 2023; 24:16849. [PMID: 38069172 PMCID: PMC10706173 DOI: 10.3390/ijms242316849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/18/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
This study aimed to investigate, for the first time, the chemical composition and antioxidant activity of fluid extracts obtained from three Romanian cultivars of haskap berries (Lonicera caerulea L.) var. Loni, bitter cherries (Prunus avium var. sylvestris Ser.) var. Silva, and pomace from red grapes (Vitis vinifera L.) var. Mamaia, and their capacity to modulate in vitro steatosis, in view of developing novel anti-obesity products. Total phenolic, flavonoid, anthocyanin, and ascorbic acid content of fluid extracts was spectrophotometrically assessed and their free radical scavenging capacity was evaluated using Trolox Equivalent Antioxidant Capacity (TEAC) and free 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical inhibition assays. The Pearson coefficients showed a moderate correlation between the antioxidant activity of fluid extracts and their phenolic content, but a strong correlation between anthocyanin and ascorbic acid content. HPLC analysis identified and quantified the main phenolic compounds of chlorogenic and syringic acid, catechin, and glycosylated kaempferol, apigenin, and quercetin, in variable proportions. An in vitro experimental model of steatosis was developed in HepG2 hepatocytes treated with a mixture of free fatty acids. Cell culture analyses showed that cytocompatible concentrations of fluid extracts could significantly reduce the lipid accumulation and inhibit the reactive oxygen species, malondialdehyde, and nitric oxide secretion in stressed hepatocytes. In conclusion, these results put an emphasis on the chemical compounds' high antioxidant and liver protection capacity of unstudied fluid extracts obtained from Romanian cultivars of bitter cherries var. Silva and pomace of red grapes var. Mamaia, similar to the fluid extract of haskap berries var. Loni, in particular, the positive modulation of fat deposition next to oxidative stress and the lipid peroxidation process triggered by fatty acids in HepG2 hepatocytes. Consequently, this study indicated that these fluid extracts could be further exploited as hepatoprotective agents in liver steatosis, which provides a basis for the further development of novel extract mixtures with synergistic activity as anti-obesity products.
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Affiliation(s)
- Oana Craciunescu
- National Institute of R&D for Biological Sciences, 060031 Bucharest, Romania; (A.-M.S.-G.); (E.M.); (E.U.)
| | - Ana-Maria Seciu-Grama
- National Institute of R&D for Biological Sciences, 060031 Bucharest, Romania; (A.-M.S.-G.); (E.M.); (E.U.)
| | - Elena Mihai
- National Institute of R&D for Biological Sciences, 060031 Bucharest, Romania; (A.-M.S.-G.); (E.M.); (E.U.)
| | - Elena Utoiu
- National Institute of R&D for Biological Sciences, 060031 Bucharest, Romania; (A.-M.S.-G.); (E.M.); (E.U.)
| | - Ticuta Negreanu-Pirjol
- Faculty of Pharmacy, University Ovidius of Constanta, 900470 Constanta, Romania; (C.E.L.); (B.-S.N.-P.)
- Academy of Romanian Scientists, Ilfov Street, No. 3, 050044 Bucharest, Romania
| | - Carmen Elena Lupu
- Faculty of Pharmacy, University Ovidius of Constanta, 900470 Constanta, Romania; (C.E.L.); (B.-S.N.-P.)
| | - Victoria Artem
- Research-Development Station for Viticulture and Winemaking of Murfatlar, 905100 Murfatlar, Romania; (V.A.); (A.R.)
| | - Aurora Ranca
- Research-Development Station for Viticulture and Winemaking of Murfatlar, 905100 Murfatlar, Romania; (V.A.); (A.R.)
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Zeng S, Wang B, Zhao D, Lv W. Microwave infrared vibrating bed drying of ginger: Drying qualities, microstructure and browning mechanism. Food Chem 2023; 424:136340. [PMID: 37220685 DOI: 10.1016/j.foodchem.2023.136340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 04/06/2023] [Accepted: 05/08/2023] [Indexed: 05/25/2023]
Abstract
In this study, microwave infrared vibrating bed drying (MIVBD) method was used to dry ginger and the key characteristics of the product were determined, in terms of drying characteristics, microstructure, phenolic and flavonoid contents, ascorbic acid (AA), sugar content, and antioxidant properties. The mechanism of sample browning during drying was investigated. The results showed that increased infrared temperature and microwave power increased the drying rate and caused microstructure damage to the samples. At the same time, which caused the degradation of the active ingredients, promoted Maillard reaction between reducing sugar and amino acid, and caused the increase of 5-hydroxymethylfurfural, then the degree of browning increased. The AA reacted with amino acid to also caused browning. Antioxidant activity was significantly affected by AA and phenolics (r > 0.95). The quality and efficiency of drying can be effectively improved by MIVBD, and the browning can be reduced by controlling infrared temperature and microwave power.
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Affiliation(s)
- Shiyu Zeng
- College of Engineering, China Agricultural University, Beijing 100083, China
| | - Bo Wang
- School of Behavioural and Health Science, Australian Catholic University, Sydney, NSW 2060, Australia
| | - Donglin Zhao
- Chinese Academy of Agricultural Mechanization Sciences Group Co., Ltd., Beijing 100083, China
| | - Weiqiao Lv
- College of Engineering, China Agricultural University, Beijing 100083, China.
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20
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Crnich E, Sanchez E, Havens MA, Kissel DS. Sulfur-bridging the gap: investigating the electrochemistry of novel copper chelating agents for Alzheimer's disease applications. J Biol Inorg Chem 2023; 28:643-653. [PMID: 37594567 DOI: 10.1007/s00775-023-02013-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Accepted: 07/15/2023] [Indexed: 08/19/2023]
Abstract
There is currently an unmet demand for multi-functional precision treatments for Alzheimer's disease (AD) after several failed attempts at designing drugs based on the amyloid hypothesis. The focus of this work is to investigate sulfur-bridged quinoline ligands that could potentially be used in chelation therapies for a subpopulation of AD patients presenting with an overload of labile copper ions, which are known to catalyze the production of reactive oxygen species (ROS) and exacerbate other markers of AD progression. The ligands 1-(2'-thiopyridyl)isoquinoline (1TPIQ) and 2-(2'-thiopyridyl)quinoline (2TPQ) were synthesized and characterized before being electrochemically investigated in the presence of different oxidizing and reducing agents in solution with a physiological pH relevant to the brain. The electrochemical response of each compound with copper was studied by employing both hydrogen peroxide (H2O2) as an oxidizing agent and ascorbic acid (AA) as an antioxidant during analysis using cyclic voltammetry (CV). The cyclic voltammograms of each quinoline were compared with similar ligands that contained aromatic N-donor groups but no sulfur groups to provide relative electrochemical properties of each complex in solution. In a dose-dependent manner, it was observed that AA exerted dual-efficacy when combined with these chelating ligands: promoting synergistic metal binding while also scavenging harmful ROS, suggesting AA is an effective adjuvant therapeutic agent. Overall, this study shows how coordination by sulfur-bridged quinoline ligands can alter copper electrochemistry in the presence of AA to limit ROS production in solution.
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Affiliation(s)
- Emma Crnich
- Department of Biology, Lewis University, One University Pkwy, Romeoville, IL, 60446, USA
| | - Erik Sanchez
- Department of Chemistry, Lewis University, One University Pkwy, Romeoville, IL, 60446, USA
| | - Mallory A Havens
- Department of Biology, Lewis University, One University Pkwy, Romeoville, IL, 60446, USA
| | - Daniel S Kissel
- Department of Chemistry, Lewis University, One University Pkwy, Romeoville, IL, 60446, USA.
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21
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Zaidi SA, Sheikh H, Al-Mahasna M, Elsin F. Crumpled MXene nanosheets for sensing of ascorbic acid in food, biological fluids, and erythrocytes in-vitro microenvironment. Int J Biol Macromol 2023; 249:126024. [PMID: 37506798 DOI: 10.1016/j.ijbiomac.2023.126024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/14/2023] [Accepted: 07/25/2023] [Indexed: 07/30/2023]
Abstract
In this work, a simple and facile method was developed to achieve controlled oxidation and enhance the surface area of MXene nanosheets and their utilization in the efficient sensing of ascorbic acid (AA or vitamin C). After etching of MAX phase to MXene via the MILD technique, controlled flash oxidation was carried out in the open air environment for 1.5 h, followed by flocculation of oxidized MXene nanosheets by using H2SO4, consequently achieving crumpled MXene possessing anatase phase, porosity, and improved surface area as revealed and confirmed by SEM, TEM, Raman, and BET analysis results. The as-prepared crumpled MXene was coated over a glassy carbon electrode (GCE) and used to determine AA successfully via cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS), and differential pulse voltammetry (DPV) with a linear concentration range of 300 μM to 0.005 μM with a detection limit (LOD) of 2 nM (2.8 % RSD and S/N = 3). The developed electrochemical sensor was used to determine the AA in various actual samples such as juice, urine, serum, and erythrocytes spiked with AA with excellent recoveries in the 94-103 % range. The sensor also demonstrated excellent reproducibility (~1 % RSD for five repetitive assays) and a shelf life of nearly one month with a negligible decrease in response. Furthermore, it lost only 10 % of its response for the next ten days. It also showed satisfactory selectivity toward AA in the presence of other similar compounds, including uric acid (UA), dopamine (DA), and glucose.
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Affiliation(s)
- Shabi Abbas Zaidi
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar.
| | - Hanan Sheikh
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Muna Al-Mahasna
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Fathiya Elsin
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, P.O. Box 2713, Doha, Qatar
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Alanazi AM, Khan AA, Mahmood A, Tahir A, Kamal MA. The effect of ascorbic acid and cranberry on the bond strength, surface roughness, and surface hardness of bleached enamel with hydrogen peroxide and zinc phthalocyanine activated by photodynamic therapy. Photodiagnosis Photodyn Ther 2023; 43:103685. [PMID: 37390856 DOI: 10.1016/j.pdpdt.2023.103685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/02/2023]
Abstract
AIM To evaluate the effect of different bleaching methods 40% (hydrogen peroxide) HP and Zinc Phthalocyanine (ZP) activated by photodynamic therapy (PDT) with the utilization of diverse procedures of reversal (10% ascorbic acid and 6% cranberry solution) on bond values, surface microhardness and surface roughness of bleached enamel surface. MATERIAL AND METHODS An aggregate of 60 extracted human mandibular molars was gathered and the buccal surface of each specimen was exposed to 2 mm of enamel surface for bleaching with chemical and photoactivated agents with the use of reversal solutions. Specimens were divided into six groups (n = 10) at random- Group 1: samples bleached with 40% HP with 10% ascorbic acid (reversal agent), group 2: ZP activated by PDT with 10% ascorbic acid (reversal agent), group 3: 40% HP with 6% cranberry solution as a reversal agent, group 4: ZP activated by PDT with 6% cranberry solution, group 5: 40% HP and group 6: ZP activated by PDT with no reversal agents. Resin cement restoration was performed via etch and rinse technique and SBS was estimated by using the universal testing machine, SMH by using Vickers hardness tester, and Ra by stylus profilometer. Statistical analysis was executed using the ANOVA test and the Tukey multiple tests (p<0.05). RESULTS Enamel surface bleached with 40% HP reversed with 10% ascorbic acid displayed the highest SBS while 40% HP with no reversal agent use showed the least SBS. For SMH, ZP activated by PDT when applied on the enamel surface and reversed with 10% ascorbic acid showed the highest SMH while when bleached with 40% HP and reversed with 6% cranberry solution showed the least SMH value. For Ra, Group 3: samples bleached with 40% HP with 6% cranberry solution as reversal agent showed the highest Ra value while bleaching of enamel surface with ZP activated by PDT with 6% cranberry displayed the least Ra value. CONCLUSION Bleached enamel surface with Zinc Phthalocyanine activated by PDT with the application of 10% ascorbic acid as reversal solution has demonstrated the highest SBS and SMH with acceptable surface roughness for bonding adhesive resin to the enamel surface.
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Affiliation(s)
- Amer M Alanazi
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Azmat Ali Khan
- Pharmaceutical Biotechnology Laboratory, Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Amer Mahmood
- Stem cell unit department of Anatomy College of Medicine King Saud University, Saudi Arabia.
| | - Araib Tahir
- Senior Registrar in Liaquat College of Medicine and Dentistry, Pakistan.
| | - Mohammad Amjad Kamal
- Institutes for Systems Genetics, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, China and Enzymoics, Novel Global Community Educational Foundation, 7 Peterlee Place, Hebersham, NSW 2770, Australia.
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23
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Zheng SY, Zhou WJ, Lin XN, Li FF, Xie CF, Liu DL, Yao DS. Increased yield of 2-O-α-d-glucopyranosyl-l-ascorbic acid synthesis by α-glucosidase using rational design that regulating the ground state of enzyme and substrate complex. Biotechnol J 2023; 18:e2300122. [PMID: 37288751 DOI: 10.1002/biot.202300122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 05/04/2023] [Accepted: 06/02/2023] [Indexed: 06/09/2023]
Abstract
BACKGROUND α-Glucosidase (AG) is a bifunctional enzyme, it has a capacity to synthesize 2-O-α-d-glucopyranosyl-l-ascorbic acid (AA-2G) from l-ascorbic acid (L-AA) and low-cost maltose under mild conditions, but it can also hydrolyze AA-2G, which leads to low synthesis efficiency of AA-2G. MAIN METHODS AND MAJOR RESULTS This study introduces a rational molecular design strategy to regulate enzymatic reactions based on inhibiting the formation of ground state of enzyme-substrate complex. Y215 was analyzed as the key amino acid site affecting the affinity of AG to AA-2G and L-AA. For the purpose of reducing the hydrolysis efficiency of AA-2G, the mutant Y215W was obtained by analyzing the molecular docking binding energy and hydrogen bond formation between AG and the substrates. Compared with the wild-type, isothermal titration calorimetry (ITC) results showed that the equilibrium dissociation constant (KD ) of the mutant for AA-2G was doubled; the Michaelis constant (Km ) for AA-2G was reduced by 1.15 times; and the yield of synthetic AA-2G was increased by 39%. CONCLUSIONS AND IMPLICATIONS Our work also provides a new reference strategy for the molecular modification of multifunctional enzymes and other enzymes in cascade reactions system.
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Affiliation(s)
- Shao-Yan Zheng
- Institute of Biomedicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou City, Guangdong Province, China
| | - Wei-Jie Zhou
- Institute of Biomedicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou City, Guangdong Province, China
| | - Xiang-Na Lin
- Institute of Biomedicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou City, Guangdong Province, China
| | - Fei-Fei Li
- Department of Bioengineering, College of Life Science and Technology, Jinan University, Guangzhou City, Guangdong Province, China
| | - Chun-Fang Xie
- Institute of Biomedicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- Department of Bioengineering, College of Life Science and Technology, Jinan University, Guangzhou City, Guangdong Province, China
| | - Da-Ling Liu
- Department of Bioengineering, College of Life Science and Technology, Jinan University, Guangzhou City, Guangdong Province, China
| | - Dong-Sheng Yao
- Institute of Biomedicine, Jinan University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Bioengineering Medicine, Jinan University, Guangzhou City, Guangdong Province, China
- National Engineering Research Center of Genetic Medicine, Jinan University, Guangzhou City, Guangdong Province, China
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Shen H, Dou Y, Wang X, Wang X, Kong F, Wang S. Guluronic acid can inhibit copper(II) and amyloid - β peptide coordination and reduce copper-related reactive oxygen species formation associated with Alzheimer's disease. J Inorg Biochem 2023; 245:112252. [PMID: 37207465 DOI: 10.1016/j.jinorgbio.2023.112252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 04/25/2023] [Accepted: 05/05/2023] [Indexed: 05/21/2023]
Abstract
Copper-related reactive oxygen species (ROS) formation can lead to neuropathologic degradation associated with Alzheimer's disease (AD) according to amyloid cascade hypothesis. A complexing agent that can selectively chelate with copper ions and capture copper ions from the complex formed by copper ions and amyloid-β (Cu - Aβ complex) may be available in reducing ROS formation. Herein, we described applications of guluronic acid (GA), a natural oligosaccharide complexing agent obtained from enzymatic hydrolysis of brown algae, in reducing copper-related ROS formation. UV-vis absorption spectra demonstrated the coordination between GA and Cu(II). Ascorbic acid consumption and coumarin-3-carboxylic acid fluorescence assays confirmed the viability of GA in reducing ROS formation in solutions containing other metal ions and Aβ. Fluorescence kinetics, DPPH radical clearance and high resolution X - ray photoelectron spectroscopy results revealed the reductivity of GA. Human liver hepatocellular carcinoma (HepG2) cell viability demonstrated the biocompatibility of GA at concentrations lower than 320 μM. Cytotoxic results of human neuroblastoma (SH-SY5Y) cells verified that GA can inhibit copper-related ROS damage in neuronal cells. Our findings, combined with the advantages of marine drugs, make GA a promising candidate in reducing copper-related ROS formation associated with AD therapy.
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Affiliation(s)
- Hangyu Shen
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China
| | - Yun Dou
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China
| | - Xiaoying Wang
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China.
| | - Xiaohui Wang
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China
| | - Fangong Kong
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China
| | - Shoujuan Wang
- State Key Laboratory of Biobased Materials and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan, Shandong 250353, PR China.
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25
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Silva AM, Zaniboni JF, Alencar CDM, de Campos EA, Dantas AAR, Kuga MC. Fracture resistance and bonding performance after antioxidants pre-treatment in non-vital and bleached teeth. Braz Dent J 2023; 34:62-71. [PMID: 37909643 PMCID: PMC10642277 DOI: 10.1590/0103-6440202305553] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 06/16/2023] [Indexed: 11/03/2023] Open
Abstract
This study aimed to evaluate the effect of antioxidant solutions on fracture strength and bonding performance in non-vital and bleached (38% hydrogen peroxide) teeth. One hundred and eighty dentin specimens were obtained, 60 for each test: fracture strength, hybrid layer thickness, and bond strength. The groups (n=10) were randomly composed according to post-bleaching protocol: REST - restoration, without bleaching; BL - bleaching + restoration; SA - bleaching, 10% sodium ascorbate solution, and restoration; AT - bleaching, 10% α-tocopherol solution, and restoration; CRAN - bleaching, 5% cranberry solution, and restoration; CAP - bleaching, 0.0025% capsaicin solution, and restoration. Data were analyzed with ANOVA, Kruskal-Wallis, Dunn, and Qui-Square tests (α=0.05). The highest fracture strength values were observed in REST (1508.96 ±148.15 N), without significant difference for the bleached groups (p>0.05), regardless of the antioxidant use. The hybrid layer thickness in the group that was not subjected to bleaching (REST) was significantly higher than in any other group. The bond strength in the bleached and antioxidants-treated groups (SA, AT, CRAN, CAP) has no differences with the bleached group without antioxidants (BL). Adhesive failures were predominant in the groups that did not receive the antioxidant application. In conclusion, the evaluated antioxidants did not show an effect on the fracture strength, hybrid layer thickness, or bond strength of dentin bleached after endodontic treatment. The application of 10% sodium ascorbate, 10% alpha-tocopherol, 5% cranberry, or 0.0025% capsaicin solutions is not an effective step and should not be considered for the restorative protocols after non-vital bleaching.
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Affiliation(s)
- Aryvelto Miranda Silva
- Department of Dentistry, Federal University of Juiz de Fora, Campus GV (UFJF-GV), Governador Valadares, MG, Brazil
| | - Joissi Ferrari Zaniboni
- Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | | | - Edson Alves de Campos
- Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Andrea Abi Rached Dantas
- Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil
| | - Milton Carlos Kuga
- Department of Restorative Dentistry, Araraquara Dental School, São Paulo State University (UNESP), Araraquara, SP, Brazil
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Wan J, Zou JM, Zhou SJ, Pan FL, Hua F, Zhang YL, Nie JF, Zhang Y. A bimetallic (Ni/Co) metal-organic framework with excellent oxidase-like activity for colorimetric sensing of ascorbic acid. Anal Methods 2023; 15:1819-1825. [PMID: 36961405 DOI: 10.1039/d2ay01927b] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A novel nanozyme of bimetallic (Ni/Co) metal-organic framework (Ni/Co-MOF) was synthesized using a simultaneous precipitation and acid etching method with a zeolitic imidazolate framework ZIF-67 as the template. The as-synthesized Ni/Co-MOF catalyst presented a three-dimensional hollow nanocage structure and exhibited excellent intrinsic oxidase-like activity. It was demonstrated that Ni/Co-MOF could directly catalyze the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) to produce a blue product (oxidized TMB, oxTMB) in the absence of H2O2. The mechanisms and kinetics of this nanozyme activity were investigated, and it was determined that the catalytic activity of Ni/Co-MOF was closely related to temperature and solution pH. Owing to its strong reducibility, ascorbic acid (AA) could reduce oxTMB, and the blue color of the reaction mixture faded over time. Therefore, a novel colorimetric platform was constructed to detect AA based on the oxidase-like activity of Ni/Co-MOF. Under optimal conditions, the absorbance of ox-TMB at 652 nm decreased linearly over the 0.015-50 μM AA range with a detection limit of 0.004 μM.
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Affiliation(s)
- Jing Wan
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Jian-Mei Zou
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Shu-Jing Zhou
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Feng-Lan Pan
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Fei Hua
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Yu-Lan Zhang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Jin-Fang Nie
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
| | - Yun Zhang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Function Materials, Guangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China.
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Zhang Y, Pan W, Wang D, Wang H, Hou Y, Zou M, Piao H. Solid-in-oil nanodispersion as a novel topical transdermal delivery to enhance stability and skin permeation and retention of hydrophilic drugs l-ascorbic acid. Eur J Pharm Biopharm 2023; 185:82-93. [PMID: 36791884 DOI: 10.1016/j.ejpb.2023.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 10/27/2022] [Accepted: 02/09/2023] [Indexed: 02/15/2023]
Abstract
l-ascorbic acid (Vitamin C, VC) is the most abundant antioxidant in human skin. But its poor penetration into the skin and unstability limit the application. The aim of the study was to promote the topical skin permeation and retention of VC, increase the stability as well as effectiveness by a novel solid in oil nanodispersion. In the nanodispersions system, nano-sized particles of hydrophilic molecules are dispersed in an oil vehicle with the assistance of hydrophobic surfactants. The optimized formula composed of O170 and S1570 (12.5:1, w/w) showed high EE% of 98% and good stability. FTIR analysis confirmed that there may be hydrogen bond between VC and surfactants. The results of DSC, and XRD revealed that the drug was successfully encapsulated in the surfactants, which maintained the stability of drug. By analyzing and fitting the release data in vitro, the drug release mechanism of SONDs was predicted as a multi-dynamic model. Skin permeation of VC was improved 3.43-fold for SONDs compared with VC aqueous solution, highlighting that the lipophilicity and nano size of the carrier more easily penetrated into the skin. Finally, the photoaging study revealed that topical application of VC-SONDs provided the highest skin protection compared UV and VC aqueous solution treated group which was evident by the normal thick epidermal morphology, no obvious melanocytes and the densely arranged dermal elastic fibers. These results demonstrated that the solid-in-oil nanodispersions may be a potential transdermal delivery system for hydrophilic bioactive ingredients.
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Affiliation(s)
- Yue Zhang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Wenxiu Pan
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Dequan Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Han Wang
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Yanting Hou
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Meijuan Zou
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China
| | - Hongyu Piao
- Department of Pharmaceutics, School of Pharmacy, Shenyang Pharmaceutical University, No. 103, Wenhua Road, Shenyang 110016, China.
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Ciurzynska A, Trusinska M, Rybak K, Wiktor A, Nowacka M. The Influence of Pulsed Electric Field and Air Temperature on the Course of Hot-Air Drying and the Bioactive Compounds of Apple Tissue. Molecules 2023; 28:molecules28072970. [PMID: 37049733 PMCID: PMC10096262 DOI: 10.3390/molecules28072970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/23/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
Drying is one of the oldest methods of obtaining a product with a long shelf-life. Recently, this process has been modified and accelerated by the application of pulsed electric field (PEF); however, PEF pretreatment has an effect on different properties—physical as well as chemical. Thus, the aim of this study was to investigate the effect of pulsed electric field pretreatment and air temperature on the course of hot air drying and selected chemical properties of the apple tissue of Gloster variety apples. The dried apple tissue samples were obtained using a combination of PEF pretreatment with electric field intensity levels of 1, 3.5, and 6 kJ/kg and subsequent hot air drying at 60, 70, and 80 °C. It was found that a higher pulsed electric field intensity facilitated the removal of water from the apple tissue while reducing the drying time. The study results showed that PEF pretreatment influenced the degradation of bioactive compounds such as polyphenols, flavonoids, and ascorbic acid. The degradation of vitamin C was higher with an increase in PEF pretreatment intensity level. PEF pretreatment did not influence the total sugar and sorbitol contents of the dried apple tissue as well as the FTIR spectra. According to the optimization process and statistical profiles of approximated values, the optimal parameters to achieve high-quality dried apple tissue in a short drying time are PEF pretreatment application with an intensity of 3.5 kJ/kg and hot air drying at a temperature of 70 °C.
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Pęgier M, Kilian K, Pyrzynska K. Increasing Reaction Rates of Water-Soluble Porphyrins for 64Cu Radiopharmaceutical Labeling. Molecules 2023; 28:molecules28052350. [PMID: 36903596 PMCID: PMC10005645 DOI: 10.3390/molecules28052350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Searching for new compounds and synthetic routes for medical applications is a great challenge for modern chemistry. Porphyrins, natural macrocycles able to tightly bind metal ions, can serve as complexing and delivering agents in nuclear medicine diagnostic imaging utilizing radioactive nuclides of copper with particular emphasis on 64Cu. This nuclide can, due to multiple decay modes, serve also as a therapeutic agent. As the complexation reaction of porphyrins suffers from relatively poor kinetics, the aim of this study was to optimize the reaction of copper ions with various water-soluble porphyrins in terms of time and chemical conditions, that would meet pharmaceutical requirements and to develop a method that can be applied for various water-soluble porphyrins. In the first method, reactions were conducted in a presence of a reducing agent (ascorbic acid). Optimal conditions, in which the reaction time was 1 min, comprised borate buffer at pH 9 with a 10-fold excess of ascorbic acid over Cu2+. The second approach involved a microwave-assisted synthesis at 140 °C for 1-2 min. The proposed method with ascorbic acid was applied for radiolabeling of porphyrin with 64Cu. The complex was then subjected to a purification procedure and the final product was identified using high-performance liquid chromatography with radiometric detection.
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Affiliation(s)
- Mateusz Pęgier
- Heavy Ion Laboratory, University of Warsaw, Pasteura 5A, 02-093 Warsaw, Poland
- Correspondence:
| | - Krzysztof Kilian
- Heavy Ion Laboratory, University of Warsaw, Pasteura 5A, 02-093 Warsaw, Poland
| | - Krystyna Pyrzynska
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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30
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Chen Z, Higashi K, Shigehisa Y, Ueda K, Yamamoto K, Moribe K. Understanding the rod-to-tube transformation of self-assembled ascorbyl dipalmitate lipid nanoparticles stabilized with PEGylated lipids. Nanoscale 2023; 15:2602-2613. [PMID: 36484313 DOI: 10.1039/d2nr04987b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We previously established a nanoparticle-based drug delivery system (DDS) for high-dose ascorbic acid therapy by self-assembly of a lipid-modified ascorbic acid derivative, L-ascorbyl 2,6-dipalmitate (ASC-DP). The particles' morphology should be modified for effective DDSs. Here, we modulated the morphology of self-assembled ASC-DP nanoparticles using two different PEGylated lipids, distearoylphosphatidylethanolamine-polyethylene glycol (DSPE-PEG) and cholesterol-polyethylene glycol (Chol-PEG), with various PEG molecular weights. At the preparation molar ratio of 10 : 1 (ASC-DP/PEGylated lipid), rod-like nanoparticles emerged in the ASC-DP/DSPE-PEG system, whereas the ASC-DP/Chol-PEG system yielded tube-like nanoparticles. The internal structures of both rod-like ASC-DP/DSPE-PEG and tube-like ASC-DP/Chol-PEG nanoparticles were similar to that of repeated ASC-DP bilayers. The particles' surfaces featured PEGylated lipids, which stabilized the structure and dispersion of the nanoparticles. For both systems, the particle size increased slightly with increasing the PEGylated lipid's PEG molecular weight. Increasing the PEG molecular weight decreased the inner tunnel size of tube-like ASC-DP/Chol-PEG nanoparticles. A mechanism has been proposed for the rod-to-tube transformation. Surface-layer free-energy changes owing to the mixing of multiple lipids and PEG chain repulsion are thought to underlie the inner tunnels' formation. The rod-to-tube morphology of self-assembled ASC-DP nanoparticles can be modulated by controlling the PEGylated lipids' structure, including the lipid species and the PEG chain length.
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Affiliation(s)
- Ziqiao Chen
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
| | - Kenjirou Higashi
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
| | - Yuki Shigehisa
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
| | - Keisuke Ueda
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
| | - Keiji Yamamoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
| | - Kunikazu Moribe
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan.
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31
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AlSaleh A, Shahid M, Farid E, Bindayna K. The Effect of Ascorbic Acid and Nicotinamide on Panton-Valentine Leukocidin Cytotoxicity: An Ex Vivo Study. Toxins (Basel) 2023; 15:38. [PMID: 36668859 PMCID: PMC9865643 DOI: 10.3390/toxins15010038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/30/2022] [Accepted: 12/31/2022] [Indexed: 01/05/2023] Open
Abstract
Background: Panton−Valentine Leukocidin sustains a strong cytotoxic activity, targeting immune cells and, consequently, perforating the plasma membrane and inducing cell death. The present study is aimed to examine the individual effect of ascorbic acid and nicotinamide on PVL cytotoxicity ex vivo, as well as their effect on granulocytes viability when treated with PVL. Materials and Methods: The PVL cytotoxicity assay was performed in triplicates using the commercial Cytotoxicity Detection Kit PLUS (LDH). LDH release was measured to determine cell damage and cell viability was measured via flow cytometry. Results and discussion: A clear reduction in PVL cytotoxicity was demonstrated (p < 0.001). Treatment with ascorbic acid at 5 mg/mL has shown a 3-fold reduction in PVL cytotoxicity; likewise, nicotinamide illustrated a 4-fold reduction in PVL cytotoxicity. Moreover, granulocytes’ viability after PVL treatment was maintained when incubated with 5 mg/mL of ascorbic acid and nicotinamide. Conclusions: our findings illustrated that ascorbic acid and nicotinamide exhibit an inhibitory effect on PVL cytotoxicity and promote cell viability, as the cytotoxic effect of the toxin is postulated to be neutralized by antioxidant incubation. Further investigations are needed to assess whether these antioxidants may be viable options in PVL cytotoxicity attenuation in PVL-associated diseases.
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Affiliation(s)
- Abdullah AlSaleh
- Department of Microbiology, Immunology and Infectious Diseases, College of Medicine and Medical Sciences, Arabian Gulf University, Manama 329, Bahrain
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32
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Koukounaras A, Mellidou I, Patelou E, Kostas S, Shukla V, Engineer C, Papaefthimiou D, Amari F, Chatzopoulos D, Mattoo AK, Kanellis AK. Over-expression of GGP1 and GPP genes enhances ascorbate content and nutritional quality of tomato. Plant Physiol Biochem 2022; 193:124-138. [PMID: 36356544 DOI: 10.1016/j.plaphy.2022.10.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/11/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
L-Ascorbic acid (AsA), a strong antioxidant, serves as an enzyme cofactor and redox status marker, modulating a plethora of biological processes. As tomato commercial varieties and hybrids possess relatively low amounts of AsA, the improvement of fruit AsA represents a strategic goal for enhanced human health. Previously, we have suggested that GDP-L-Galactose phosphorylase (GGP) and L-galactose-1-phosphate phosphatase (GPP) can serve as possible targets for AsA manipulation in tomato (Solanum lycopersicon L.) fruit. To this end, we produced and evaluated T3 transgenic tomato plants carrying these two genes under the control of CaMV-35S and two fruit specific promoters, PPC2 and PG-GGPI. The transgenic lines had elevated levels of AsA, with the PG-GGP1 line containing 3-fold more AsA than WT, without affecting fruit characteristics. Following RNA-Seq analysis, 164 and 13 DEGs were up- or down-regulated, respectively, between PG-GGP1 and WT pink fruits. PG-GGP1 fruit had a distinct number of up-regulated transcripts associated with cell wall modification, ethylene biosynthesis and signaling, pollen fertility and carotenoid metabolism. The elevated AsA accumulation resulted in the up regulation of AsA associated transcripts and alternative biosynthetic pathways suggesting that the entire metabolic pathway was influenced, probably via master regulation. We show here that AsA-fortification of tomato ripe fruit via GGP1 overexpression under the action of a fruit specific promoter PG affects fruit development and ripening, reduces ethylene production, and increased the levels of sugars, and carotenoids, supporting a robust database to further explore the role of AsA induced genes for agronomically important traits, breeding programs and precision gene editing approaches.
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Affiliation(s)
- Athanasios Koukounaras
- Department of Horticulture, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece; Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece
| | - Ifigeneia Mellidou
- Institute of Plant Breeding and Genetic Resources, HAO ELGO-Demeter, 57001, Thessaloniki, Greece
| | - Efstathia Patelou
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece
| | - Stefanos Kostas
- Department of Horticulture, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece; Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece
| | - Vijaya Shukla
- Sustainable Agricultural Systems Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Cawas Engineer
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece; University of California San Diego, Division of Biological Sciences - Cell and Developmental Biology, 9500 Gilman Drive, La Jolla, CA, 92093, USA
| | - Dimitra Papaefthimiou
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece; Laboratory of Botany, Department of Biological Sciences and Applications, University of Ioannina, Ioannina, Greece
| | - Foued Amari
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece; Wexner Medical Center/GEMMC, Comprehensive Cancer Center, 970 BRT, 460 W. 12th Avenue, Columbus, OH, 43210, USA
| | - Dimitris Chatzopoulos
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece
| | - Autar K Mattoo
- Sustainable Agricultural Systems Laboratory, Agricultural Research Service, United States Department of Agriculture, Beltsville Agricultural Research Center, Beltsville, MD, USA
| | - Angelos K Kanellis
- Group of Biotechnology of Pharmaceutical Plants, Laboratory of Pharmacognosy, Department of Pharmaceutical Sciences, Aristotle University of Thessaloniki, 541 24, Thessaloniki, Greece.
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Rizalputri LN, Anshori I, Handayani M, Gumilar G, Septiani NLW, Hartati YW, Annas MS, Purwidyantri A, Prabowo BA, Yuliarto B. Facile and controllable synthesis of monodisperse gold nanoparticle bipyramid for electrochemical dopamine sensor. Nanotechnology 2022; 34:055502. [PMID: 36301678 DOI: 10.1088/1361-6528/ac9d3f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
We demonstrated potential features of gold nanoparticle bipyramid (AuNB) for an electrochemical biosensor. The facile synthesis method and controllable shape and size of the AuNB are achieved through the optimization of cetyltrimethylammonium chloride (CTAC) surfactant over citric acid (CA) ratio determining the control of typically spherical Au seed size and its transition into a penta-twinned crystal structure. We observe that the optimized ratio of CTAC and CA facilitates flocculation control in which Au seeds with size as tiny as ∼14.8 nm could be attained and finally transformed into AuNB structures with an average length of ∼55 nm with high reproducibility. To improve the electrochemical sensing performance of a screen-printed carbon electrode, surface modification with AuNB via distinctive linking procedures effectively enhanced the electroactive surface area by 40%. Carried out for the detection of dopamine, a neurotransmitter frequently linked to the risk of Parkinson's, Alzheimer's, and Huntington's diseases, the AuNB decorated-carbon electrode shows outstanding electrocatalytic activity that improves sensing performance, including high sensitivity, low detection limit, wide dynamic range, high selectivity against different analytes, such as ascorbic acid, uric acid and urea, and excellent reproducibility.
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Affiliation(s)
- Lavita Nuraviana Rizalputri
- Department of Nanotechnology, Graduate School, Bandung Institute of Technology, Bandung, Indonesia
- Research Center for Nanoscience and Nanotechnology (RCNN), Bandung Institute of Technology, Bandung, Indonesia
| | - Isa Anshori
- Research Center for Nanoscience and Nanotechnology (RCNN), Bandung Institute of Technology, Bandung, Indonesia
- Department of Biomedical Engineering, Bandung Institute of Technology, Bandung, Indonesia
| | - Murni Handayani
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), Tangerang Selatan, Indonesia
| | - Gilang Gumilar
- Research Center for Nanoscience and Nanotechnology (RCNN), Bandung Institute of Technology, Bandung, Indonesia
- Advanced Functional Materials Laboratory, Engineering Physics Department, Bandung Institute of Technology, Bandung, Indonesia
| | - Ni Luh Wulan Septiani
- Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), Tangerang Selatan, Indonesia
| | - Yeni Wahyuni Hartati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Padjadjaran, Sumedang, Indonesia
- Research Center of Molecular Biotechnology and Bioinformatics, Universitas Padjadjaran, Bandung, Indonesia
| | | | - Agnes Purwidyantri
- School of Chemistry and Chemical Engineering, Queen's University Belfast, Belfast, United Kingdom
| | - Briliant Adhi Prabowo
- Research Center for Electronics, National Research and Innovation Agency (BRIN), Bandung, Indonesia
- International Iberian Nanotechnology Laboratory, Braga, Portugal
| | - Brian Yuliarto
- Research Center for Nanoscience and Nanotechnology (RCNN), Bandung Institute of Technology, Bandung, Indonesia
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Hu Z, Zhao P, Li J, Chen Y, Yang H, Zhao J, Dong J, Qi N, Yang M, Huo D, Hou C. Metal-organic framework-derived porous ternary ZnCo 2O 4 nanoplate arrays grown on carbon cloth for simultaneous electrochemical determination of ascorbic acid, dopamine, and uric acid. Anal Methods 2022; 14:4330-4337. [PMID: 36260019 DOI: 10.1039/d2ay01058e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Metal-organic frameworks derived from ternary metal oxide directly grown on the conductive substrate have attracted great interest in electrochemical sensing. In this work, metal-organic framework-derived ternary ZnCo2O4 nanoplate arrays that were grown on carbon cloth (ZnCo2O4 NA/CC) are fabricated and applied for the electrochemical determination of ascorbic acid (AA), dopamine (DA), and uric acid (UA). Field emission scanning electron microscope (FESEM) reveals that a network-like CC substrate is covered with considerable nanoplate arrays, presenting a large specific area. X-ray photoelectron spectroscopy (XPS) demonstrates the nanoplate arrays to be composed of ZnCo2O4. Benefiting from the unique array morphology and ternary element composition, the ZnCo2O4 NA/CC shows desirable performances for simultaneous detection of AA, DA, and UA. The individual detection limits are 7.14 μM for AA, 0.25 μM for DA, and 0.33 μM for UA. Additionally, the ZnCo2O4 NA/CC is successfully applied for the quantitative determination of AA, DA, and UA in spiked serum samples, showing its great application potential.
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Affiliation(s)
- Zhikun Hu
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Peng Zhao
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Jiawei Li
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
- Chongqing University Three Gorges Hospital, Chongqing, 404000, PR China
| | - Yuanyuan Chen
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Huisi Yang
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Jiaying Zhao
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Jiangbo Dong
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Na Qi
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Mei Yang
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology (Chongqing University), Ministry of Education, College of Bioengineering, Chongqing University, Chongqing, 400044, PR China.
- Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, PR China
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Li P, Chen X, Wu G, Wang Z, Huang C. Ascorbic Acid Sensor Based on CdS QDs@PDA Fluorescence Resonance Energy Transfer. Molecules 2022; 27:molecules27072097. [PMID: 35408497 PMCID: PMC9000657 DOI: 10.3390/molecules27072097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/18/2022] [Accepted: 03/20/2022] [Indexed: 12/10/2022] Open
Abstract
An ascorbic acid (AA) sensor was constructed based on the fluorescence resonance energy transfer (FRET) between CdS quantum dots (CdS QDs) and polydopamine (PDA) to detect trace AA sensitively. FRET occurred due to the broad absorption spectrum of PDA completely overlapped with the narrow emission spectrum of CdS QDs. The fluorescence of CdS QDs was quenched and in the "off" state. When AA was present, the conversion of DA to PDA was hindered and the FRET disappeared, resulting in the fluorescence of CdS QDs in an "on" state. Importantly, the degree of fluorescence recovery of CdS QDs displayed a desirable linear correlation with the concentration of AA in the range of 5.0-100.0 μmol/L, the linear equation is y=0.0119cAA+0.3113, and the detection limit is 1.16 μmol/L (S/N = 3, n = 9). There was almost no interference with common amino acid, glucose and biological sulfhydryl small molecules to AA. Trace amount of AA in vitamin C tablets were determined and satisfactory results were obtained; the recoveries were observed to be 98.01-100.7%.
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Affiliation(s)
- Pu Li
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
| | - Xiaoxiao Chen
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
| | - Gaojun Wu
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
| | - Zhe Wang
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
| | - Chaobiao Huang
- College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China; (P.L.); (X.C.)
- Xingzhi College, Zhejiang Normal University, Jinhua 321004, China; (G.W.); (Z.W.)
- Correspondence:
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36
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Kim HM, Byun KA, Oh S, Yang JY, Park HJ, Chung MS, Son KH, Byun K. A Mixture of Topical Forms of Polydeoxyribonucleotide, Vitamin C, and Niacinamide Attenuated Skin Pigmentation and Increased Skin Elasticity by Modulating Nuclear Factor Erythroid 2-like 2. Molecules 2022; 27:molecules27041276. [PMID: 35209068 PMCID: PMC8879610 DOI: 10.3390/molecules27041276] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 12/14/2022]
Abstract
It is well-known that increased oxidative stress caused by ultraviolet B (UV-B) radiation induces melanogenesis and activates metalloproteinases (MMPs), which degrade collagen and elastin fibers, leading to decreased skin elasticity. Various antioxidant agents, such as vitamin C and niacinamide, have been evaluated for use as treatments for photoaging or skin pigmentation. In this study, we evaluated the ability of a topical liquid formula of polydeoxyribonucleotide (PDRN), vitamin C, and niacinamide (PVN) delivered via a microneedling therapy system (MTS) to attenuate photoaging and pigmentation by increasing nuclear factor erythroid 2-like 2 (NRF2)/heme oxygenase-1 (HO-1) and decreasing MMP expression in a UV-B-radiated animal model. The effects of the PVN were compared with those of individual PDRN and hydroquinone (HQ) compounds. The expression of NRF2/HO-1 significantly increased in response to HQ, PDRN, and PVN in UV-B-radiated animal skin. The activity of nicotinamide adenine dinucleotide phosphate hydrogen oxidase decreased in response to HQ, PDRN, and PVN, and the superoxide dismutase activity increased. The expression of tumor protein p53 and microphthalmia-associated transcription factor and tyrosinase activity decreased in response to HQ, PDRN, and PVN, and this decrease was accompanied by decreased melanin content in the skin. The expression of nuclear factor kappa-light-chain enhancer of activated B cells and MMP2/3/9 decreased in response to HQ, PDRN, and PVN in UV-B-radiated skin. However, the expression of collagen type I α1 chain and the amount of collagen fibers that were evaluated by Masson’s trichrome staining increased in response to HQ, PDRN, and PVN. The contents of elastin fibers, fibrillin 1/2 and fibulin 5 increased in response to HQ, PDRN, and PVN. In conclusion, PVN delivered via MTS led to decreased melanogenesis and destruction of collagen and elastin fibers by MMPs, and, thus, PVN decreased skin pigmentation and increased skin elasticity.
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Affiliation(s)
- Hyoung Moon Kim
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Korea; (H.M.K.); (K.-A.B.)
| | - Kyung-A Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Korea; (H.M.K.); (K.-A.B.)
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, Incheon 21999, Korea; (S.O.); (J.Y.Y.)
| | - Seyeon Oh
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, Incheon 21999, Korea; (S.O.); (J.Y.Y.)
| | - Jin Young Yang
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, Incheon 21999, Korea; (S.O.); (J.Y.Y.)
| | - Hyun Jun Park
- Maylin Anti-Aging Center Apgujeong, Seoul 06005, Korea;
| | | | - Kuk Hui Son
- Department of Thoracic and Cardiovascular Surgery, Gil Medical Center, Gachon University, Incheon 21565, Korea
- Correspondence: (K.H.S.); (K.B.); Tel.: +82-32-460-3666 (K.H.S.); +82-32-899-6511 (K.B.)
| | - Kyunghee Byun
- Department of Anatomy & Cell Biology, College of Medicine, Gachon University, Incheon 21936, Korea; (H.M.K.); (K.-A.B.)
- Functional Cellular Networks Laboratory, Graduate School and Lee Gil Ya Cancer and Diabetes Institute, College of Medicine, Gachon University, Incheon 21999, Korea; (S.O.); (J.Y.Y.)
- Correspondence: (K.H.S.); (K.B.); Tel.: +82-32-460-3666 (K.H.S.); +82-32-899-6511 (K.B.)
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Tarantino A, Difonzo G, Disciglio G, Frabboni L, Paradiso VM, Gambacorta G, Caponio F. Fresh pomegranate juices from cultivars and local ecotypes grown in southeastern Italy: comparison of physicochemical properties, antioxidant activity and bioactive compounds. J Sci Food Agric 2022; 102:1185-1192. [PMID: 34329502 PMCID: PMC9291103 DOI: 10.1002/jsfa.11456] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/05/2021] [Accepted: 07/30/2021] [Indexed: 05/13/2023]
Abstract
BACKGROUND Pomegranate juice has gained attention for its health properties, becoming consequently a highly demanded product. The revival of the pomegranate in Italy, as in other Mediterranean countries, starts with the planting of new intensive orchards characterized by both the new cultivation technique and new varieties. As a result of growing demand and high productivity, pomegranate could become an interesting crop to diversify farm income. This study seeks to determine the aril juice quality attributes and bioactive compounds of six pomegranate cultivars ('Mollar', 'Dente di cavallo', 'Acco', 'Jolly red', 'Wonderful' and 'Wonderful Super') and two local ecotypes ('Eco BA' and 'Eco FG') grown in Apulia region, southern Italy. RESULTS The aril juices were evaluated for their main physicochemical properties (yield, color, pH, total soluble solids content, titratable acidity, sugar-acid ratio), chemical and bioactive compounds (vitamin C, phenolics, anthocyanins and antioxidant activities). 'Eco BA', 'Mollar' and 'Jolly red' genotypes were characterized by the highest maturity index, and then could be considered to be sweet-sour in taste. Total phenols and antioxidant activity were higher in 'Dente di cavallo' and 'Eco FG' genotypes. 'Eco FG' was also the richest in vitamin C, punicalagin and ellagic acids, while 'Dente di cavallo', 'Acco' and 'Wonderful' showed the highest content of the detected anthocyanin compounds. CONCLUSION These results contribute to current knowledge about chemical composition, phenolic contents, anthocyanin profiles and antioxidant activity of pomegranate juice from different genotypes, showing in most cases an appreciable juice quality and bioactive profile, although significant differences among them were detected. © 2021 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Annalisa Tarantino
- Department of Agriculture, Food, Natural Resources and Engineering (DAFNE)University of FoggiaFoggiaItaly
| | - Graziana Difonzo
- Department of Soil, Plant and Food Science (DISSPA)University of Bari Aldo MoroBariItaly
| | - Grazia Disciglio
- Department of Agriculture, Food, Natural Resources and Engineering (DAFNE)University of FoggiaFoggiaItaly
| | - Laura Frabboni
- Department of Agriculture, Food, Natural Resources and Engineering (DAFNE)University of FoggiaFoggiaItaly
| | - Vito Michele Paradiso
- Department of Biological and Environmental Sciences and TechnologiesUniversity of SalentoLecceItaly
| | - Giuseppe Gambacorta
- Department of Soil, Plant and Food Science (DISSPA)University of Bari Aldo MoroBariItaly
| | - Francesco Caponio
- Department of Soil, Plant and Food Science (DISSPA)University of Bari Aldo MoroBariItaly
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Liu Y, Chen W, Fan L. Effects of different drying methods on the storage stability of barley grass powder. J Sci Food Agric 2022; 102:1076-1084. [PMID: 34312852 DOI: 10.1002/jsfa.11443] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 07/01/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Barley grass (BG) powder has gradually attracted researchers' attention for its abundant nutritional components and functional activity. Yet, the effect of different drying methods on storage stability is still unclear. In this study, BG was subjected to hot-air drying (HAD), steam blanching prior to hot-air drying (SHAD), vacuum freeze drying (VFD), and far-infrared drying (FID). Effects of different drying methods on BG powder during storage were evaluated. RESULTS Moisture content of dried samples during storage decreased at 50 °C, but at 37 °C increased first and then remained stable. The a* value of SHAD BG powder before storage was the highest (-6.51), followed by FID, HAD and VFD. Moreover, the a* value increased during the storage process. Contents of l-ascorbic acid and total chlorophyll in samples dried by VFD were 28.29 and 7.8 g kg-1 , respectively. The degradation of chlorophyll a and b followed a first-order kinetics model and was modeled by the Arrhenius equation. The activation energies for chlorophyll a were 83.68, 83.21, 62.29 and 76.64 kJ mol-1 in BG powder dried by SHAD, FID, VFD and HAD, respectively. The activation energies for chlorophyll b were 66.76, 48.03, 61.02 and 58.01 kJ mol-1 in SHAD, FID, VFD and HAD BG powder, respectively. CONCLUSION VFD had the highest preservation of color, l-ascorbic acid and chlorophyll compared to HAD, SHAD and FID. SHAD shortened the drying time and delayed the degradation of l-ascorbic acid and chlorophyll during storage. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Ying Liu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Weifeng Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Liuping Fan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
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Du W, Fan HM, Zhang YX, Jiang XH, Li Y. Effect of Flavonoids in Hawthorn and Vitamin C Prevents Hypertension in Rats Induced by Heat Exposure. Molecules 2022; 27:molecules27030866. [PMID: 35164138 PMCID: PMC8840451 DOI: 10.3390/molecules27030866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/20/2022] [Accepted: 01/22/2022] [Indexed: 11/24/2022]
Abstract
Background: Excessive oxidative stress is associated with hypertension in professional high-temperature working conditions. Polyphenols exhibit a cardioprotective effect. Hawthorn contains high amounts of flavonoids, though its effect on hypertension protection has yet to be studied. This study aims to investigate this effect of extract of hawthorn (EH) or its combination with vitamin C (Vit. C) in rats induced by working under a hot environment. Methods: Forty-two male rats were randomly divided into a control group under normal temperature and six treatment groups exposed at 33 ± 1 °C along with 1 h of daily treadmill running. They were orally provided with water, Vit. C (14mg/kg), EH (125, 250, and 500 mg/kg), and EH500 + Vit. C, once a day for four weeks. Results: Both EH and Vit. C alone reduced the systolic and diastolic blood pressure of rats exposed to the heat environment; however, their joint supplementation completely maintained their blood pressure to the normal level throughout the experimental period. No morphological changes were found on the intima of aorta. Moreover, the co-supplementation of EH and Vit. C prevented the changes of heat exposure in inducing oxidative stress markers, such as glutathione peroxidase, catalase, total antioxidant capacity, and nitric oxide; the synergistic action was more effective than either individual treatment of EH and Vit. C. Furthermore, the administration of EH had more potent effects on increasing superoxide dismutase, IL-2, the 70 kilodalton heat shock proteins and high sensitivity C reactive protein, and decreasing serum malondialdehyde and lipofuscin in vascular tissue than those in Vit. C group. Conclusions: A strong synergistic effect of EH and Vit. C on the prevention of hypertension under heat exposure was established, as they inhibited the oxidative stress state. This study also sets up a novel intervention strategy in animal models for investigation on the early phases of hypertension induced by heat exposure.
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Affiliation(s)
- Wei Du
- School of Public Health, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China; (W.D.); (H.-M.F.)
- Nutrition and Cardiovascular Diseases Basic Research Group, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China
| | - Hong-Min Fan
- School of Public Health, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China; (W.D.); (H.-M.F.)
| | - Yu-Xin Zhang
- School of Basic Medical Sciences, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China; (Y.-X.Z.); (X.-H.J.)
- Key Laboratory for Chronic Diseases, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China
| | - Xiao-Hua Jiang
- School of Basic Medical Sciences, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China; (Y.-X.Z.); (X.-H.J.)
- Key Laboratory for Chronic Diseases, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China
| | - Yun Li
- School of Public Health, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China; (W.D.); (H.-M.F.)
- Nutrition and Cardiovascular Diseases Basic Research Group, North China University of Science and Technology, 21 Bohai Road, Caofeidian Xincheng, Tangshan 063210, China
- Correspondence: ; Tel.: +86-0315-8805-586
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You Y, Zou J, Li WJ, Chen J, Jiang XY, Yu JG. Novel lanthanum vanadate-based nanocomposite for simultaneously electrochemical detection of dopamine and uric acid in fetal bovine serum. Int J Biol Macromol 2022; 195:346-355. [PMID: 34920056 DOI: 10.1016/j.ijbiomac.2021.12.058] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 01/01/2023]
Abstract
The abnormal levels of two biological molecules, dopamine (DA) and Uric acid (UA), in human body are symptoms of diseases such as Parkinson's disease and arrhythmia. A novel lanthanum vanadate and multi-walled carbon nanotubes (LaV-MWCNTs) composite modified glassy carbon electrode (GCE) was developed and utilized as an efficient electrochemical sensor for the simultaneous detection of DA and UA. LaV-MWCNTs composite was successfully fabricated by a facile ultrasonic self-assembly method and identified by means of a series of successive measurements including XPS, XRD, FT-IR and FE-SEM. The LaV-MWCNTs modified GCE shows the concentration linear ranges of DA and UA are 2-100 μΜ using DPV. The limits of detection (LODs; signal-to-noise ratio of 3, S/N = 3) of the LaV-MWCNTs modified GCE sensor for DA and UA were calculated to be 0.046 μM and 0.025 μM, respectively. The feasibility of using the LaV-MWCNTs modified GCE sensor to detect DA and UA in a typical biological fluid, fetal bovine serum, was also evaluated by the standard addition method.
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Affiliation(s)
- Ya You
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Jiao Zou
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Wen-Jie Li
- Xiangya School of Stomatology & Xiangya Stomatological Hospital, Central South University, Changsha, Hunan 410008, China
| | - Jun Chen
- Xiangya School of Stomatology & Xiangya Stomatological Hospital, Central South University, Changsha, Hunan 410008, China
| | - Xin-Yu Jiang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Jin-Gang Yu
- College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.
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Kidoń M, Narasimhan G. Effect of Ultrasound and Enzymatic Mash Treatment on Bioactive Compounds and Antioxidant Capacity of Black, Red and White Currant Juices. Molecules 2022; 27:molecules27010318. [PMID: 35011548 PMCID: PMC8746349 DOI: 10.3390/molecules27010318] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 12/25/2021] [Accepted: 12/31/2021] [Indexed: 02/04/2023]
Abstract
Ultrasound treatment is recognized as a potential technique for improvement in the nutritional values of fruit juices. This study was initiated with the objective of evaluating bioactive compounds and some important quality parameters of black (BC), red (RC) and white (WC) currant juices obtained from fruit mash preliminarily treated by enzymes combined with ultrasound. Individual and total phenolic content (TPC), anthocyanins, color parameters, ascorbic acid, antioxidant capacity (TEAC), juice yield, pH, titratable acidity, and soluble solids were investigated. Significant increases in the levels of TPC and antioxidant capacity of sonicated samples were observed. However, ultrasound treatment had no effect on individual phenolic compounds of juices. Sonication of mash before juice pressing did not cause any noticeable changes in ascorbic acid content. Only in the case of WC was an increase in content of vitamin C noticed. The color of juices obtained after treatment was similar to the control sample. It was demonstrated that enzymatic combined with ultrasound treatment of mash for different colored currant fruit did not have any dismissive effect and could even improve some parameters of the juice obtained.
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Elhabak M, Ibrahim S, Abouelatta SM. Topical delivery of l-ascorbic acid spanlastics for stability enhancement and treatment of UVB induced damaged skin. Drug Deliv 2021; 28:445-453. [PMID: 33620008 PMCID: PMC7909477 DOI: 10.1080/10717544.2021.1886377] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 02/02/2021] [Indexed: 10/28/2022] Open
Abstract
l-Ascorbic acid (LAA) is considered a powerful antioxidant that protects skin from premature aging. Maintaining the stability of vitamin C remains the biggest challenge in cosmeceuticals. Our main aim is the entrapment of high dose of vitamin C in spanlastic vesicles to provide maximum stability and efficacy. LAA-loaded spanlastics were prepared by ethanol injection method and were characterized for entrapment efficiency (EE%), particles size (PS), polydispersity index (PDI), zeta potential, deformability index (DI) and in vivo skin permeation. Selected spanlastics formula composed of span 60 and tween 60 (5:1) showed highest EE% of 89.77 ± 3.61% (w/w), high deformability of 11.13 ± 1.145 as well as good physical and chemical stability for 6 months. Improved drug penetration into stratum corneum (SC) was obtained from spanlastics compared to topical LAA solution. Quantitative real time PCR revealed that MMP2 and MMP9 levels were significantly suppressed in response to LAA spanlastics treated rats by 30.4% and 65.3%, respectively, when compared to the control group after exposure to UV irradiation. Results were confirmed by western blot analysis. Histopathological study of rat skin after UV irradiation revealed that application of LAA-loaded spanlastics provided the highest skin protection compared to UVB and LAA solution treated group which was evident by the normal thick epidermal morphology and the densely arranged dermal collagen fibers. LAA-loaded spanlastics successfully improved LAA stability, skin permeation and antioxidant protection against skin photodamage.
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Affiliation(s)
- Mona Elhabak
- Department of Pharmaceutics, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
| | - Samar Ibrahim
- Department of Clinical Pharmacy, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
| | - Samar M. Abouelatta
- Department of Pharmaceutics, Faculty of Pharmacy, Ahram Canadian University, Cairo, Egypt
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Xie Q, Cai X, Dong X, Wang Y, Sun M, Tai L, Xu Y. Effects of epigallocatechin-3-gallate combined with ascorbic acid and glycerol on the stability and uric acid-lowering activity of epigallocatechin-3-gallate. Pharm Biol 2021; 59:157-166. [PMID: 33556300 PMCID: PMC8871600 DOI: 10.1080/13880209.2021.1878235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 01/05/2021] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
CONTEXT Epigallocatechin-3-gallate (EGCG) is unstable and easily oxidized, which limits its applications. Ascorbic acid (Vc) is a natural antioxidant. OBJECTIVE The effects of EGCG combined with Vc and glycerol on stability and uric acid-lowering activity of EGCG were examined. MATERIALS AND METHODS EGCG (aqueous solution), EGCG + Vc (aqueous solution), EGCG (glycerol solution) and EGCG + Vc (glycerol solution) were prepared and incubated under different conditions in vitro. The recovery rate of EGCG was calculated by HPLC. Kunming mice were randomly divided into normal control group, model group, allopurinol (5 mg/kg), EGCG (10 mg/kg), EGCG + Vc (both 10 mg/kg), EGCG (10 mg/kg) + glycerol (60%), and EGCG (10 mg/kg) + Vc (10 mg/kg) + glycerol (60%) (n = 6). Allopurinol was injected intraperitoneally to mice, others were administered intragastrically to (2 cases) mice. All mice were continuously administrated for 7 days, once a day. RESULTS EGCG recovery rates of EGCG group and EGCG + Vc + glycerol group respectively reached to 32.34 ± 1.86% and 98.90 ± 0.64% when they were incubated for 4 h at 80 °C. EGCG recovery rates reached to 91.82 ± 5.13% (incubated for 6 h at pH 8) and 88.85 ± 2.63% (incubated for 4 h in simulated intestinal fluid) when EGCG incubated with Vc and glycerol. Compared with the model group, UA values of EGCG + Vc + glycerol group reduced by 43.49% while EGCG group reduced by 25.63%. The activities of xanthine oxidase (XOD, 31.41 U/gprot) and adenosine deaminase (ADA, 10.05 U/mgprot), and the mRNA expression levels of glucose transporter 9 (GLUT9, 1.03) and urate transporter 1 (URAT1, 0.44) in EGCG + Vc + glycerol group were notably lower than those of EGCG group (38.12 U/gprot, 13.16 U/mgprot, 1.54, and 0.55). The mRNA expression levels of ATP-binding cassette superfamily G member 2 (ABCG2, 1.39) and organic anion transport 1/2 (OAT1/2, 2.34, 2.53) in EGCG + Vc + glycerol group were notably higher than those of EGCG group (0.57, 1.13, and 1.16). DISCUSSION AND CONCLUSIONS Our findings suggest that when EGCG used in combination with Vc and glycerol could effectively increase its biology activities and can be generalized to the broader pharmacological studies. This sheds light on the development and application of EGCG in the fields of food and medicine.
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Affiliation(s)
- Qianjin Xie
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Xiaqiang Cai
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Xu Dong
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Ying Wang
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Minghui Sun
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Lingling Tai
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
| | - Yan Xu
- State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei, China
- International Joint Laboratory on Tea Chemistry and Health Effects of Ministry of Education, Hefei, China
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Mazurek A, Włodarczyk-Stasiak M. Application of a New Dehydroascorbic Acid Reducing Agent in the Analysis of Vitamin C Content in Food. Molecules 2021; 26:molecules26206263. [PMID: 34684843 PMCID: PMC8537564 DOI: 10.3390/molecules26206263] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 10/10/2021] [Accepted: 10/12/2021] [Indexed: 11/16/2022] Open
Abstract
The analysis of total vitamin C content in food is most frequently performed by reducing dehydroascorbic acid to ascorbic acid, which is then assayed with the technique of high-performance liquid chromatography combined with spectrophotometric detection. Tris(2-carboxyethyl)phosphine is currently the only agent in use that efficiently reduces dehydroascorbic acid at pH < 2. Therefore, there is a continued need to search for new reducing agents that will display a high reactivity and stability in acidic solutions. The objective of the study was to verify the applicability of unithiol and tris(hydroxypropyl)phosphine for a reducing dehydroascorbic acid in an extraction medium with pH < 2. The conducted validation of the newly developed method of determining the total content of vitamin C using tris(hydroxypropyl)phosphine indicates its applicability for food analysis. The method allows obtaining equivalent results compared to the method based on the use of tris(2-carboxyethyl)phosphine. The low efficiency of dehydroascorbic acid reduction with the use of unithiol does not allow its application as a new reducing agent in vitamin C analysis.
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Guldiken B, Gibis M, Boyacioglu D, Capanoglu E, Weiss J. Ascorbic acid-induced degradation of liposome-encapsulated acylated and non-acylated anthocyanins of black carrot extract. J Sci Food Agric 2021; 101:5707-5714. [PMID: 33788286 DOI: 10.1002/jsfa.11225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/23/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND In the presence of ascorbic acid, the degradation of acylated (sinapic, ferulic and p-coumaric acid derivatives of cyanidin-3-xylosylglucosylgalactoside) and non-acylated anthocyanins of black carrot extract (BCE) encapsulated in liposomes was studied. BCEs (0.2% and 0.4% w/w) were encapsulated in liposomes using different lecithin concentrations (1%, 2% and 4% w/w). RESULTS The liposomes were prepared with particle diameters of less than 50 nm and zeta potentials of about -21.3 mV for extract-containing liposomes and -27.7 mV for control liposomes. The encapsulation efficiency determined using high-performance liquid chromatography (HPLC) showed that increasing lecithin levels increased the efficiency to 59% at the same extract concentration. The concentrations of total anthocyanins and individual anthocyanins were determined for ascorbic acid (0.1% w/w)-degraded extract and liposomes (containing 0.2% w/w extract). Anthocyanin quantification of both liposomal and extract samples was performed by HPLC using cyanidin-3-O-glucoside chloride as standard. Five anthocyanins in the extract and encapsulated liposomes were quantified during 24 h (0-24 h): cyanidin-3-xylosylglucosylgalactoside 1.0-0.51 and 0.82-0.58 mg g-1 , cyanidin-3-xylosylgalactoside 2.5-1.1 and 2.2-1.7 mg g-1 , cyanidin-3-xylosyl(sinapoylglucosyl)galactoside 0.51-0.14 and 0.35-0.28 mg g-1 , cyanidin-3-xylosyl(feruloylglucosyl)galactoside 1.37-0.41 and 1.06-0.98 mg g-1 , and cyanidin-3-xylosyl(coumaroylglucosyl)galactoside 0.28-0.08 mg g-1 for extract and 0.27-0.26 mg g-1 for liposomes, respectively. CONCLUSIONS This study demonstrates the potential beneficial effect of liposomal encapsulation on individual, particularly acylated, anthocyanins after addition of ascorbic acid during a storage time of 24 h.
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Affiliation(s)
- Burcu Guldiken
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
- Department of Food and Bioproduct Sciences, University of Saskatchewan, Saskatoon, Canada
| | - Monika Gibis
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, Stuttgart, Germany
| | - Dilek Boyacioglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Esra Capanoglu
- Department of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, Istanbul, Turkey
| | - Jochen Weiss
- Department of Food Physics and Meat Science, Institute of Food Science and Biotechnology, University of Hohenheim, Stuttgart, Germany
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Rodrigo R, Prieto JC, Aguayo R, Ramos C, Puentes Á, Gajardo A, Panieri E, Rojas-Solé C, Lillo-Moya J, Saso L. Joint Cardioprotective Effect of Vitamin C and Other Antioxidants against Reperfusion Injury in Patients with Acute Myocardial Infarction Undergoing Percutaneous Coronary Intervention. Molecules 2021; 26:molecules26185702. [PMID: 34577176 PMCID: PMC8468345 DOI: 10.3390/molecules26185702] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/13/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
Percutaneous coronary intervention (PCI) has long remained the gold standard therapy to restore coronary blood flow after acute myocardial infarction (AMI). However, this procedure leads to the development of increased production of reactive oxygen species (ROS) that can exacerbate the damage caused by AMI, particularly during the reperfusion phase. Numerous attempts based on antioxidant treatments, aimed to reduce the oxidative injury of cardiac tissue, have failed in achieving an effective therapy for these patients. Among these studies, results derived from the use of vitamin C (Vit C) have been inconclusive so far, likely due to suboptimal study designs, misinterpretations, and the erroneous conclusions of clinical trials. Nevertheless, recent clinical trials have shown that the intravenous infusion of Vit C prior to PCI-reduced cardiac injury biomarkers, as well as inflammatory biomarkers and ROS production. In addition, improvements of functional parameters, such as left ventricular ejection fraction (LVEF) and telediastolic left ventricular volume, showed a trend but had an inconclusive association with Vit C. Therefore, it seems reasonable that these beneficial effects could be further enhanced by the association with other antioxidant agents. Indeed, the complexity and the multifactorial nature of the mechanism of injury occurring in AMI demands multitarget agents to reach an enhancement of the expected cardioprotection, a paradigm needing to be demonstrated. The present review provides data supporting the view that an intravenous infusion containing combined safe antioxidants could be a suitable strategy to reduce cardiac injury, thus improving the clinical outcome, life quality, and life expectancy of patients subjected to PCI following AMI.
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Affiliation(s)
- Ramón Rodrigo
- Molecular and Clinical Pharmacology Program, Faculty of Medicine, Campus Norte, Institute of Biomedical Sciences, University of Chile, Avda. Independencia 1027, Santiago 8380000, Chile; (J.C.P.); (C.R.-S.); (J.L.-M.)
- Correspondence:
| | - Juan Carlos Prieto
- Molecular and Clinical Pharmacology Program, Faculty of Medicine, Campus Norte, Institute of Biomedical Sciences, University of Chile, Avda. Independencia 1027, Santiago 8380000, Chile; (J.C.P.); (C.R.-S.); (J.L.-M.)
- University of Chile Clinical Hospital, Campus Norte, Carlos Lorca Tobar 999, Independencia, Santiago 8380456, Chile; (C.R.); (A.G.)
| | - Rubén Aguayo
- Cardiology Unit, Department of Medicine, Occident Division, San Juan de Dios Hospital, Avenida Portales 3239, Santiago 8500000, Chile; (R.A.); (Á.P.)
| | - Cristóbal Ramos
- University of Chile Clinical Hospital, Campus Norte, Carlos Lorca Tobar 999, Independencia, Santiago 8380456, Chile; (C.R.); (A.G.)
| | - Ángel Puentes
- Cardiology Unit, Department of Medicine, Occident Division, San Juan de Dios Hospital, Avenida Portales 3239, Santiago 8500000, Chile; (R.A.); (Á.P.)
| | - Abraham Gajardo
- University of Chile Clinical Hospital, Campus Norte, Carlos Lorca Tobar 999, Independencia, Santiago 8380456, Chile; (C.R.); (A.G.)
| | - Emiliano Panieri
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Faculty of Pharmacy and Medicine, Sapienza University, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (L.S.)
| | - Catalina Rojas-Solé
- Molecular and Clinical Pharmacology Program, Faculty of Medicine, Campus Norte, Institute of Biomedical Sciences, University of Chile, Avda. Independencia 1027, Santiago 8380000, Chile; (J.C.P.); (C.R.-S.); (J.L.-M.)
| | - José Lillo-Moya
- Molecular and Clinical Pharmacology Program, Faculty of Medicine, Campus Norte, Institute of Biomedical Sciences, University of Chile, Avda. Independencia 1027, Santiago 8380000, Chile; (J.C.P.); (C.R.-S.); (J.L.-M.)
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Faculty of Pharmacy and Medicine, Sapienza University, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (L.S.)
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Stachowski TR, Snell ME, Snell EH. A SAXS-based approach to rationally evaluate radical scavengers - toward eliminating radiation damage in solution and crystallographic studies. J Synchrotron Radiat 2021; 28:1309-1320. [PMID: 34475280 PMCID: PMC8415334 DOI: 10.1107/s1600577521004045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 04/15/2021] [Indexed: 05/30/2023]
Abstract
X-ray-based techniques are a powerful tool in structural biology but the radiation-induced chemistry that results can be detrimental and may mask an accurate structural understanding. In the crystallographic case, cryocooling has been employed as a successful mitigation strategy but also has its limitations including the trapping of non-biological structural states. Crystallographic and solution studies performed at physiological temperatures can reveal otherwise hidden but relevant conformations, but are limited by their increased susceptibility to radiation damage. In this case, chemical additives that scavenge the species generated by radiation can mitigate damage but are not always successful and the mechanisms are often unclear. Using a protein designed to undergo a large-scale structural change from breakage of a disulfide bond, radiation damage can be monitored with small-angle X-ray scattering. Using this, we have quantitatively evaluated how three scavengers commonly used in crystallographic experiments - sodium nitrate, cysteine, and ascorbic acid - perform in solution at 10°C. Sodium nitrate was the most effective scavenger and completely inhibited fragmentation of the disulfide bond at a lower concentration (500 µM) compared with cysteine (∼5 mM) while ascorbic acid performed best at 5 mM but could only reduce fragmentation by ∼75% after a total accumulated dose of 792 Gy. The relative effectiveness of each scavenger matches their reported affinities for solvated electrons. Saturating concentrations of each scavenger shifted fragmentation from first order to a zeroth-order process, perhaps indicating the direct contribution of photoabsorption. The SAXS-based method can detect damage at X-ray doses far lower than those accessible crystallographically, thereby providing a detailed picture of scavenger processes. The solution results are also in close agreement with what is known about scavenger performance and mechanism in a crystallographic setting and suggest that a link can be made between the damage phenomenon in the two scenarios. Therefore, our engineered approach might provide a platform for more systematic and comprehensive screening of radioprotectants that can directly inform mitigation strategies for both solution and crystallographic experiments, while also clarifying fundamental radiation damage mechanisms.
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Affiliation(s)
- Timothy R. Stachowski
- Hauptman-Woodward Medical Research Institute, 700 Ellicott St, Buffalo, NY 14203, USA
- Cell Stress Biology, Roswell Park Comprehensive Cancer Center, 665 Elm Street, Buffalo, NY 14203, USA
| | - Mary E. Snell
- Hauptman-Woodward Medical Research Institute, 700 Ellicott St, Buffalo, NY 14203, USA
| | - Edward H. Snell
- Hauptman-Woodward Medical Research Institute, 700 Ellicott St, Buffalo, NY 14203, USA
- Materials Design and Innovation, State University at New York at Buffalo, 700 Ellicott St, Buffalo, NY 14203, USA
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48
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Uckun FM, Orhan C, Powell J, Sahin E, Ozercan IH, Volk M, Sahin K. Non-clinical safety profile and pharmacodynamics of two formulations of the anti-sepsis drug candidate Rejuveinix (RJX). Biomed Pharmacother 2021; 141:111823. [PMID: 34147902 DOI: 10.1016/j.biopha.2021.111823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 05/25/2021] [Accepted: 06/11/2021] [Indexed: 11/17/2022] Open
Abstract
Here, we demonstrate that the two distinct formulations of our anti-sepsis drug candidate Rejuveinix (RJX), have a very favorable safety profile in Wistar Albino rats at dose levels comparable to the projected clinical dose levels. 14-day treatment with RJX-P (RJX PPP.18.1051) or RJX-B (RJX-B200702-CLN) similarly elevated the day 15 tissue levels of the antioxidant enzyme superoxide dismutase (SOD) as well as ascorbic acid in both the lungs and liver in a dose-dependent fashion. The activity of SOD and ascorbic acid levels were significantly higher in tissues of RJX-P or RJX-B treated rats than vehicle-treated control rats (p < 0.0001). There was no statistically significant difference between tissue SOD activity or ascorbic acid levels of rats treated with RJX-P vs. rats treated with RJX-B (p > 0.05). The observed elevations of the SOD and ascorbic acid levels were transient and were no longer detectable on day 28 following a 14-day recovery period. These results demonstrate that RJX-P and RJX-B are bioequivalent relative to their pharmacodynamic effects on tissue SOD and ascorbic acid levels. Furthermore, both formulations showed profound protective activity in a mouse model of sepsis. In agreement with the PD evaluations in rats and their proposed mechanism of action, both RJX-P and RJX-B exhibited near-identical potent and dose-dependent anti-oxidant and anti-inflammatory activity in the LPS-GalN model of ARDS and multi-organ failure in mice.
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Affiliation(s)
- Fatih M Uckun
- Drug Discovery Program, Reven Pharmaceuticals, Westminster, CO 80234, USA; Department of Developmental Therapeutics, Immunology, and Integrative Medicine, Ares Pharmaceuticals, St. Paul, MN 55110, USA.
| | - Cemal Orhan
- Department of Animal Nutrition, Faculty of Veterinary, Firat University, Elazig 23119, Turkey.
| | - Joy Powell
- Drug Discovery Program, Reven Pharmaceuticals, Westminster, CO 80234, USA.
| | - Emre Sahin
- Department of Animal Nutrition, Faculty of Veterinary, Firat University, Elazig 23119, Turkey.
| | - Ibrahim H Ozercan
- Department of Pathology, Faculty of Medicine, Firat University, Elazig 23119, Turkey.
| | - Michael Volk
- Drug Discovery Program, Reven Pharmaceuticals, Westminster, CO 80234, USA.
| | - Kazim Sahin
- Department of Animal Nutrition, Faculty of Veterinary, Firat University, Elazig 23119, Turkey.
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49
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Valachová K, Rapta P, Moura NMM, Batinic-Haberle I, Šoltés L. Ortho Isomeric Mn(III) N-Alkyl- and Alkoxyalkylpyridylporphyrins-Enhancers of Hyaluronan Degradation Induced by Ascorbate and Cupric Ions. Int J Mol Sci 2021; 22:ijms22168608. [PMID: 34445313 PMCID: PMC8395334 DOI: 10.3390/ijms22168608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/06/2021] [Accepted: 08/06/2021] [Indexed: 01/05/2023] Open
Abstract
High levels of hyaluronic acid (HA) in tumors correlate with poor outcomes with several types of cancers due to HA-driven support of adhesion, migration and proliferation of cells. In this study we explored how to enhance the degradation of HA into low-molecular fragments, which cannot prevent the immune system to fight tumor proliferation and metastases. The physiological solution of HA was exposed to oxidative degradation by ascorbate and cupric ions in the presence of either one of three ortho isomeric Mn(III) substituted N-alkyl- and alkoxyalkylpyridylporphyrins or para isomeric Mn(III) N-methylpyridyl analog, commonly known as mimics of superoxide dismutase. The changes in hyaluronan degradation kinetics by four Mn(III) porphyrins were monitored by measuring the alteration in the dynamic viscosity of the HA solution. The ortho compounds MnTE-2-PyP5+ (BMX-010, AEOL10113), MnTnBuOE-2-PyP5+ (BMX-001) and MnTnHex-2-PyP5+ are able to redox cycle with ascorbate whereby producing H2O2 which is subsequently coupled with Cu(I) to produce the •OH radical essential for HA degradation. Conversely, with the para analog, MnTM-4-PyP5+, no catalysis of HA degradation was demonstrated, due to its inertness towards redox cycling with ascorbate. The impact of different Mn(III)-porphyrins on the HA decay was further clarified by electron paramagnetic resonance spectrometry. The ability to catalyze the degradation of HA in a biological milieu, in the presence of cupric ions and ascorbate under the conditions of high tumor oxidative stress provides further insight into the anticancer potential of redox-active ortho isomeric Mn(III) porphyrins.
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Affiliation(s)
- Katarína Valachová
- Centre of Experimental Medicine, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Dúbravská cesta 9, SK-841 04 Bratislava, Slovakia;
- Correspondence: (K.V.); (P.R.)
| | - Peter Rapta
- Institute of Physical Chemistry and Chemical Physics, Slovak University of Technology in Bratislava, Radlinského 9, SK-812 37 Bratislava, Slovakia
- Correspondence: (K.V.); (P.R.)
| | - Nuno M. M. Moura
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Ines Batinic-Haberle
- Department of Radiation Oncology, Duke University School of Medicine, Durham, NC 27710, USA;
| | - Ladislav Šoltés
- Centre of Experimental Medicine, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Dúbravská cesta 9, SK-841 04 Bratislava, Slovakia;
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50
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Huang C, Liu Y, Sun Y, Wang F, Ge S, Yu J. Cathode-Anode Spatial Division Photoelectrochemical Platform Based on a One-Step DNA Walker for Monitoring of miRNA-21. ACS Appl Mater Interfaces 2021; 13:35389-35396. [PMID: 34291635 DOI: 10.1021/acsami.1c08416] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photoelectrochemical (PEC) biosensors carried out the whole reaction process in the same solution, which would limit the sensitivity and selectivity of detection in the sensing system. Herein, we reported a promising new cathode-anode spatial division PEC platform based on the two-electrode synergistic enhancement strategy. With the photoanode and photocathode integrated in the same current circuit, the platform exhibited an increased photocurrent response, as well as an improved anti-interference ability led by separating the two electrodes spatially. In this proposal, red light-driven AgInS2 nanoparticles (NPs) served as the photoanode to build biometric steps and amplify the signal, whereas p-type PbS quantum dots were selected as the photocathode to increase the signal. With the participation of alkaline phosphatase (ALP) labeled on Au NPs-DNA, ascorbic acid 2-phosphate was catalyzed to produce ascorbic acid as an electron donor, resulting in the enhancement of the PEC signal. Interestingly, in the presence of miRNA-21 and T7 Exo, the one-step DNA walker amplification can be triggered to reduce the PEC signal by releasing ALP-Au NP-DNA. The constructed PEC biosensor exhibited a detection limit of as low as 3.4 fM for miRNA-21, which was expected to be applied to early clinical diagnosis. Also, we believe that the proposed cathode-anode spatial division PEC platform can open up a new view for the establishment of other types of PEC biosensors.
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Affiliation(s)
- Chuan Huang
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P.R. China
| | - Yunqing Liu
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P.R. China
| | - Yina Sun
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P.R. China
| | - Fengyi Wang
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P.R. China
| | - Shenguang Ge
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P.R. China
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P.R. China
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