1
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Punthama C, Math C, Dungchai W. Determination of hydroquinone in beverages using colorimetric and electrochemical sensors on paper-based device. ANAL SCI 2024:10.1007/s44211-024-00638-z. [PMID: 39126582 DOI: 10.1007/s44211-024-00638-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Accepted: 07/21/2024] [Indexed: 08/12/2024]
Abstract
Hydroquinone (HQ) is a phenolic compound used in industry processes. We aim to demonstrate a rapid and simple procedure for the determination of HQ. This work has developed two techniques, including colorimetric and electrochemical sensors on paper-based devices. Firstly, we have developed the colorimetric detection for the rapid screening test of HQ using 1.5% 4-(dimethylamino) benzaldehyde with alkaline condition (5 M NaOH). Under suitable conditions, the calibration curve between the intensity and HQ concentration was in the range of 50-500 mg L-1. Then, we developed a multi-walled carbon nanotube/graphene oxide/copper/palladium/platinum (MWCNT/GO/Cu/Pd/Pt) onto a screen-printed carbon electrode (SPCE). The optimal amount of MWCNT/GO/Cu/Pd/Pt nanomaterial is 2 mg for HQ detection. The linear concentration range was found in the range 1 to 20 mg L-1 and a detection limit was found to be 0.40 mg L-1 (3.6 µM) for HQ. Moreover, the proposed device can be applied to determine HQ in real samples and is inexpensive technique, portable, and low consumer time.
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Affiliation(s)
- Chanya Punthama
- Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Prachautid Road, Thungkru, 10140, Bangkok, Thailand
| | - Chim Math
- Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Prachautid Road, Thungkru, 10140, Bangkok, Thailand
| | - Wijitar Dungchai
- Organic Synthesis, Electrochemistry & Natural Product Research Unit, Department of Chemistry, Faculty of Science, King Mongkut's University of Technology Thonburi, Prachautid Road, Thungkru, 10140, Bangkok, Thailand.
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2
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Guliya H, Yadav M, Nohwal B, Lata S, Chaudhary R. Emphasizing laccase based amperometric biosensing as an eventual panpharmacon for rapid and effective detection of phenolic compounds. Biochim Biophys Acta Gen Subj 2024; 1868:130691. [PMID: 39117046 DOI: 10.1016/j.bbagen.2024.130691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Phenols and phenolic compounds are major plant metabolites used in industries to produce pesticides, dyes, medicines, and plastics. These compounds enter water bodies, soil, and living organisms via such industrial routes. Some polyphenolic compounds like phenolic acids, flavonoids have antioxidant and organoleptic qualities, as well as preventive effects against neurodegenerative illnesses, cardiovascular disease, diabetes, and cancer. However, many of the polyphenolic compounds, such as Bisphenol A, phthalates, and dioxins also cause major environmental pollution and endocrine disruption, once the dose level becomes objectionable. The development of reliable and rapid methods for studying their dose dependency, high-impact detrimental effects, and continuous monitoring of phenol levels in humans and environmental samples is a crucial necessity of the day. Enzymatic biosensors employing phenol oxidases like tyrosinase, peroxidase and laccase, utilizing electrochemical amperometric methods are innovative methods for phenol quantification. Enzymatic biosensing, being highly sensitive and efficacious technique, is illuminated in this review article as a progressive approach for phenol quantification with special emphasis on laccase amperometric biosensors. Even more, the review article discussion is extended up to nanozymes, composites of metal organic frameworks (MOFs), and molecularly imprinted polymers (MIPs) as some emerging species for electro-chemical sensing of phenols. Applications of phenol quantification and green biosensing are also specified. A concrete summary of the innovative polyphenol detection approaches with futuristic scope indicates a triumph over some existing constraints of the phenomenological approaches providing an informative aisle to the modern researchers towards the bulk readability.
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Affiliation(s)
- Himani Guliya
- Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murth, al-131039, Haryana, India
| | - Meena Yadav
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murth, al-131039, Haryana, India
| | - Bhawna Nohwal
- Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murth, al-131039, Haryana, India
| | - Suman Lata
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murth, al-131039, Haryana, India.
| | - Reeti Chaudhary
- Department of Biotechnology, Deenbandhu Chhotu Ram University of Science and Technology, Murth, al-131039, Haryana, India.
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3
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Zhao R, Zhang T, Qiu X, Cao Z, Gao S, Song X, Li Y, Chen F, Zhou X. Charge transport properties and mechanisms of bacterial cellulose (BC)-Zinc complexes. Carbohydr Polym 2024; 334:122066. [PMID: 38553206 DOI: 10.1016/j.carbpol.2024.122066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/17/2024] [Accepted: 03/14/2024] [Indexed: 04/02/2024]
Abstract
Most current flexible electronic devices are based on petroleum materials that are difficult to degrade. The exploration of sustainable and eco-friendly materials has become a major focus in both the scientific and industrial communities. In this study, BC-Zn-BIM (bacterial cellulose-Zn-benzimidazole), a novel composite electrode material based on biodegradable BC was developed. Here, BC acted as a conductive medium involved in the conductive behavior of the composite material. We've explored the charge transport mechanisms of BC-Zn-BIM by density functional theory (DFT) calculations, and applied it in the electrochemical detection of Bisphenol A (BPA). The results indicated that the oxygen-containing groups in BC and the nitrogen-containing heterocycles in BIM have a tendency to lose electrons, whereas zinc ions actively acquire electrons from these groups. This process promoted charge transfer within BC-Zn-BIM and endowed it with semiconductor-like properties, enhancing the electrocatalytic reaction of BPA. The detection limit of the electrochemical biosensor was 12 nM, and the sample recovery was 95.1%105.6%. This study clarified the mechanism of the higher electrical properties achieved in Zn-BIM complex grown in-situ on dielectric BC. This will further promote the development of low-cost, environmentally friendly flexible electronic devices.
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Affiliation(s)
- Rui Zhao
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Tianshuo Zhang
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Xianglin Qiu
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Ziyi Cao
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Shanshan Gao
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China.
| | - Xiaoming Song
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, Shandong, PR China.
| | - Yue Li
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Fushan Chen
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
| | - Xinyi Zhou
- Qingdao University of Science and Technology, Qingdao, Shandong 266031, PR China
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4
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Feng F, Zhang Y, Zhang X, Mu B, An Q, Wang P. The mechanism of intrinsic peroxidase (POD)-like activity of attapulgite. Anal Bioanal Chem 2024:10.1007/s00216-024-05280-2. [PMID: 38602542 DOI: 10.1007/s00216-024-05280-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 03/08/2024] [Accepted: 03/27/2024] [Indexed: 04/12/2024]
Abstract
Natural attapulgite (ATP) is a promising substitute for existing artificial nanozymes due to its intrinsic enzymatic activity. However, the active center of ATP's inherent enzymatic activity has not yet been revealed, which limits its further design and activity optimization. Studying the active center of mineral materials can be extremely challenging due to their complexity. Here, we demonstrated that Fe is the primary element in ATP responsible for peroxidase (POD)-like activity through theoretical speculation and experimental verification. More importantly, we found that the ratio of Fe2+/Fe3+ is responsible for the district POD-like activity of ATP from different regions with the same Fe content. Additionally, three facile strategies, including grinding, heat treatment, and acid treatment, were demonstrated to increase the relative Fe content and thus optimize the POD-like activity of ATP. Finally, ATP was used to detect the concentration of H2O2, enabling the detection of low concentrations (0.11-1.76 mM) of H2O2. This study serves as a novel reference for the future design and performance optimization of nanozymes that are based on ATP and clay minerals.
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Affiliation(s)
- Feng Feng
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Yihe Zhang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Xiao Zhang
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China
| | - Bin Mu
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, Gansu, China
| | - Qi An
- Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Peixia Wang
- National Anti-Drug Laboratory Beijing Regional Center, Beijing, 100164, China.
- Beijing Narcotics Control Technology Center, Beijing, 100164, China.
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Li H, Chen J, Xu W, Huang B, Peng C, Cai H, Hou R, Wen K, Li L, Dong B, Wang Z. A facile fluorescence microplate immunoassay based on an in situ fluorogenic reaction for the detection of two highly toxic anticoagulant rodenticides in food and biological matrix. Food Chem 2024; 437:137792. [PMID: 37866338 DOI: 10.1016/j.foodchem.2023.137792] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2023] [Revised: 09/23/2023] [Accepted: 10/16/2023] [Indexed: 10/24/2023]
Abstract
Bromadiolone and brodifacoum, the most frequently used anticoagulant rodenticides, are highly toxic and pose a threat to public health by causing food poisoning incidents. Here, we developed a fluorescence microplate immunoassay for facile and sensitive detection of bromadiolone and brodifacoum by introducing three commercial chemicals (p-phenylenediamine, polyethyleneimine, H2O2) as a new substrate of horseradish peroxidase and then generating fluorescence signals based on an in situ fluorogenic reaction (detection time within 75 min). This assay exhibited higher efficiency in generating fluorescence signals, thereby exhibiting a 6-fold improvement in sensitivity compared with colorimetric ELISA. The limit of detection was 0.23-0.28 ng/mL (ng/g) for bromadiolone and 0.34-0.61 ng/mL (ng/g) for brodifacoum in corn and human serum, with recovery ratios higher than 82.3 %. These satisfactory results illustrated our proposed assay was a potential tool for food analysis and poisoning diagnosis caused by bromadiolone and brodifacoum.
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Affiliation(s)
- Hongfang Li
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Jie Chen
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Wenqing Xu
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Baowei Huang
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Chuanyi Peng
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Huimei Cai
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Ruyan Hou
- College of Tea and Food Science & Technology, Anhui Agricultural University, Animal-Derived Food Safety Innovation Team of Anhui Agricultural University, 230036 Hefei, China
| | - Kai Wen
- National Key Laboratory of Veterinary Public Health and Safety, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, College of Veterinary Medicine, China Agricultural University, 100193 Beijing, China
| | - Lin Li
- College of Animal Science and Technology, Anhui Agricultural University, 230036 Hefei, China.
| | - Baolei Dong
- College of Food and Biological Engineering, Hefei University of Technology, 230009 Hefei, China.
| | - Zhanhui Wang
- National Key Laboratory of Veterinary Public Health and Safety, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, College of Veterinary Medicine, China Agricultural University, 100193 Beijing, China
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6
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Wang X, Qin Y, Zhang X, Leng Y, Chen Z. Au/TiO2 Nanorod Arrays-based Electrochemical Aptasensor for Ultrasensitive Detection of Adenosine. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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7
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Ivanov YD, Tatur VY, Shumov ID, Kozlov AF, Valueva AA, Ivanova IA, Ershova MO, Ivanova ND, Stepanov IN, Lukyanitsa AA, Ziborov VS. The Effect of a Rotating Cone on Horseradish Peroxidase Aggregation on Mica Revealed by Atomic Force Microscopy. MICROMACHINES 2022; 13:1947. [PMID: 36363968 PMCID: PMC9697547 DOI: 10.3390/mi13111947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/03/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
Our study reported herein aims to determine whether an electromagnetic field, induced triboelectrically by a metallic cone, rotating at a frequency of 167 Hz, has an effect on the properties of the horseradish peroxidase (HRP) enzyme. Atomic force microscopy (AFM) was employed to detect even the most subtle effects on single enzyme molecules. In parallel, a macroscopic method (spectrophotometry) was used to reveal whether the enzymatic activity of HRP in solution was affected. An aqueous solution of the enzyme was incubated at a distance of 2 cm from the rotating cone. The experiments were performed at various incubation times. The control experiments were performed with a non-rotating cone. The incubation of the HRP solution was found to cause the disaggregation of the enzyme. At longer incubation times, this disaggregation was found to be accompanied by the formation of higher-order aggregates; however, no change in the HRP enzymatic activity was observed. The results of our experiments could be of interest in the development of enzyme-based biosensors with rotating elements such as stirrers. Additionally, the results obtained herein are important for the correct interpretation of data obtained with such biosensors.
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Affiliation(s)
- Yuri D. Ivanov
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
- Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
| | - Vadim Y. Tatur
- Foundation of Perspective Technologies and Novations, 115682 Moscow, Russia
| | - Ivan D. Shumov
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
| | - Andrey F. Kozlov
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
| | - Anastasia A. Valueva
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
| | - Irina A. Ivanova
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
| | - Maria O. Ershova
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
| | - Nina D. Ivanova
- Foundation of Perspective Technologies and Novations, 115682 Moscow, Russia
- Moscow State Academy of Veterinary Medicine and Biotechnology Named after Skryabin, 109472 Moscow, Russia
| | - Igor N. Stepanov
- Foundation of Perspective Technologies and Novations, 115682 Moscow, Russia
| | - Andrei A. Lukyanitsa
- Foundation of Perspective Technologies and Novations, 115682 Moscow, Russia
- Faculty of Computational Mathematics and Cybernetics, Moscow State University, 119991 Moscow, Russia
| | - Vadim S. Ziborov
- Institute of Biomedical Chemistry, Pogodinskaya Str., 10 Build. 8, 119121 Moscow, Russia
- Joint Institute for High Temperatures of the Russian Academy of Sciences, 125412 Moscow, Russia
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8
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Ivanova IA, Ershova MO, Shumov ID, Valueva AA, Ivanov YD, Pleshakova TO. Atomic Force Microscopy Study of the Temperature and Storage Duration Dependencies of Horseradish Peroxidase Oligomeric State. Biomedicines 2022; 10:biomedicines10102645. [PMID: 36289907 PMCID: PMC9599489 DOI: 10.3390/biomedicines10102645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/14/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022] Open
Abstract
This paper presents an investigation of the temperature dependence of the oligomeric state of the horseradish peroxidase (HRP) enzyme on the temperature of its solution, and on the solution storage time, at the single-molecule level. Atomic force microscopy has been employed to determine how the temperature and the storage time of the HRP solution influence its aggregation upon direct adsorption of the enzyme from the solution onto bare mica substrates. In parallel, spectrophotometric measurements have been performed in order to estimate whether the HRP enzymatic activity changes over time upon the storage of the enzyme solution. The temperature dependence of the HRP oligomeric state has been studied within a broad (15–40 °C) temperature range. It has been demonstrated that the storage of the HRP solution for 14 days does not have any considerable effect on the oligomeric state of the enzyme, neither does it affect its activity. At longer storage times, AFM has allowed us to reveal a tendency of HRP to oligomerization during the storage of its buffered solution, while the enzymatic activity remains virtually unchanged even after a 1-month-long storage. By AFM, it has been revealed that after the incubation of a mica substrate in the HRP solution at various temperatures, the content of the mica-adsorbed oligomers increases insignificantly owing to a high-temperature stability of the enzyme.
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9
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Zhuang Z, Zhang C, Yu Z, Liu W, Zhong Y, Zhang J, Xu Z. Turn-on colorimetric detection of hydroquinone based on Au/CuO nanocomposite nanozyme. Mikrochim Acta 2022; 189:293. [PMID: 35881205 DOI: 10.1007/s00604-022-05384-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 06/26/2022] [Indexed: 11/30/2022]
Abstract
CuO nanorods bearing Au nanoparticles (Au/CuO nanocomposites) were prepared by a solution-phase synthesis and exhibited efficient hydroquinone (HQ)-oxidase activity with good specificity. The Au/CuO nanocomposites effectively catalyzed the oxidation of colorless HQ to brown benzoquinone with an absorbance maximum at 376 nm but did not catalyze the conversions of catechol or resorcinol. Kinetic studies indicated that the Au/CuO nanocomposites exhibited a strong affinity for HQ, with a Michaelis-Menten constant of Km = 0.33 mM. Owing to the high catalytic activity and specificity, a strong color was observed at low concentrations of HQ. Quantitative measurement of HQ was performed via colorimetric analysis, which yielded a detection limit of 3 μM with a linear range of 5-200 μM. This colorimetric sensor was successfully applied to an HQ assay of real water samples with satisfactory results.
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Affiliation(s)
- Zhenjing Zhuang
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China.
| | - Chunyan Zhang
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China
| | - Zhengdi Yu
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China
| | - Wenyuan Liu
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China
| | - Yajun Zhong
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China
| | - Jingyun Zhang
- School of Medicine, Huaqiao University, Quanzhou, Fujian, 362021, People's Republic of China
| | - Zhihui Xu
- Department of Otolaryngology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, 362000, Fujian, China
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10
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The Effect of Incubation near an Inversely Oriented Square Pyramidal Structure on Adsorption Properties of Horseradish Peroxidase. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12084042] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The incubation of a solution of horseradish peroxidase (HRP) enzyme either below the apex or near the base of an inversely oriented square pyramid (inverted square pyramid; ISP) has been found to influence the enzyme’s aggregation and adsorption properties. The HRP enzyme is used herein as a model object due to its importance in analytical chemistry applications. Atomic force microscopy (AFM) is employed to investigate the HRP’s adsorption on mica substrates at the single-molecule level. Conventional spectrophotometry is used in parallel as a reference method for the determination of the HRP’s enzymatic activity. Using AFM, we reveal a significant change in the adsorption properties of HRP on mica substrates after the incubation of the HRP solutions either above the base or below the apex of the ISP in comparison with the control HRP solution. The same situation is observed after the incubation of the enzyme solution above the center of the ISP’s base. Here, the enzymatic activity of HRP remained unaffected in both cases. Since pyramidal structures of positive and inverted orientation are employed in biosensor devices, it is important to take into account the results obtained herein in the development of highly sensitive biosensor systems, in which pyramidal structures are employed as sensor (such as AFM probes) or construction elements.
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11
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Cheng J, Cao H, Xu Y, Yang Y, He Y, Wang H. In Situ Monitoring of Dynamic Photocatalysis of Metal-Organic Frameworks by Three-Dimensional Shell-Isolated Nanoparticle-Enhanced Raman Spectroscopy. Anal Chem 2022; 94:5699-5706. [PMID: 35344343 DOI: 10.1021/acs.analchem.2c00643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Metal-organic frameworks (MOFs) are promising as novel disinfectants due to the reactive oxygen species (ROS) produced in their photocatalytic processes. The optimal MOF is screened as the best disinfectant, representing high-efficacy production of ROS under photocatalytic conditions. However, current methods to screen abundant MOFs for disinfectant application are generally semiquantitative or ex situ methods [such as electron paramagnetic resonance (EPR) measurements], so achieving a strategy that can quantitatively screen an optimal MOF in situ and is reliable is demanded. Herein, we developed a three-dimensional (3D) shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) platform to study the dynamic photocatalytic processes of various MOFs (e.g., ZIF-67, ZIF-8, and UIO-66) in situ. This platform comprises silica shell-isolated gold nanoparticles (AuNPs) modified on silicon nanowire arrays (SiNWArs). The MOF is then self-assembled on the 3D-SHINERS substrate. Using this platform, we recorded dynamic spectroscopic evidence of ROS formation by various MOFs under sunlight irradiation. By dynamic comparison, ZIF-67 has the most robust photocatalytic efficiency, ∼1.7-fold stronger than that of ZIF-8 and ∼42.6-fold stronger than that of UIO-66. As expected, ZIF-67 displays the best antibacterial ability, up to 99% in the agar plate assay. This work provides a versatile platform for dynamically monitoring photocatalytic performance and screening antibacterial MOFs.
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Affiliation(s)
- Jiayi Cheng
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Haiting Cao
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Yanan Xu
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Yunmin Yang
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Yao He
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
| | - Houyu Wang
- Laboratory of Nanoscale Biochemical Analysis, Suzhou Key Laboratory of Nanotechnology and Biomedicine, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, China
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12
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Liu J, Ruan G, Ma W, Sun Y, Yu H, Xu Z, Yu C, Li H, Zhang CW, Li L. Horseradish peroxidase-triggered direct in situ fluorescent immunoassay platform for sensing cardiac troponin I and SARS-CoV-2 nucleocapsid protein in serum. Biosens Bioelectron 2022; 198:113823. [PMID: 34838374 PMCID: PMC8606172 DOI: 10.1016/j.bios.2021.113823] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/27/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022]
Abstract
Direct in situ fluorescent enzyme-linked immunosorbent assay (ELISA) is rarely investigated and reported. Herein, a direct in situ high-performance HRP-labeled fluorescent immunoassay platform was constructed. The platform was developed based on a rapid in situ fluorogenic reaction between Polyethyleneimine (PEI) and p-Phenylenediamine (PPD) analogues to generate fluorescent copolymer nanoparticles (FCNPs). The formation mechanism of FCNPs was found to be the oxidation of •OH radicals, which was further proved by nitrogen protection and scavenger of •OH radicals. Meantime, the fluorescence wavelength of FCNPs could be adjusted from 471 to 512 nm by introducing various substitution groups into the PPD structure. Using cardiac troponin I (cTnI) and SARS-CoV-2 nucleocapsid protein (N-protein) as the model antigens, the proposed fluorescent ELISA exhibited a wide dynamic range of 5-180 ng/mL and a low limit of detection (LOD) of 0.19 ng/mL for cTnI, and dynamic range of 0-120 ng/mL and a LOD of 0.33 ng/mL for SARS-CoV-2 N protein, respectively. Noteworthy, the proposed method was successful applied to evaluate the cTnI and SARS-CoV-2 N protein levels in serum with satisfied results. Therefore, the proposed platform paved ways for developing novel fluorescence-based HRP-labeled ELISA technologies and broadening biomarker related clinical diagnostics.
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Affiliation(s)
- Jinhua Liu
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China.
| | - Guotong Ruan
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Wenlin Ma
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Yujie Sun
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Haidong Yu
- Frontiers Science Center for Flexible Electronics, Xi'an Institute of Flexible Electronics (IFE) and Xi'an Institute of Biomedical Materials & Engineering Northwestern Polytechnical University, Xi'an, 710072, PR China
| | - Zhihui Xu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029, PR China
| | - Changmin Yu
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Hai Li
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China
| | - Cheng-Wu Zhang
- School of Basic Medical Sciences, Shanxi Medical University, Xinjian Road, Taiyuan, 310003, PR China.
| | - Lin Li
- Institute of Advanced Materials (IAM), Key Laboratory of Flexible Electronics (KLOFE) Nanjing Tech University, 30 South Puzhu Road, Nanjing, 211816, China.
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Mendonça CD, Khan SU, Rahemi V, Verbruggen SW, Machado SA, De Wael K. Surface plasmon resonance-induced visible light photocatalytic TiO2 modified with AuNPs for the quantification of hydroquinone. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138734] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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14
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Lu X, Xu J, Wang Y, Xue Y, Li J, Hu X, Yang Z. Nitrogen‐doped TiO
2
Nanocrystals for Highly Sensitive Electrochemical Immunoassay of Carcinoembryonic Antigen. ELECTROANAL 2021. [DOI: 10.1002/elan.202100216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xin Lu
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
| | - Jia Xu
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
| | - Yulin Wang
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
| | - Yadong Xue
- Central Laboratory, Affiliated Jinhua Hospital Zhejiang University School of Medicine Jinhua 321000 China
| | - Juan Li
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
| | - Xiaoya Hu
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
| | - Zhanjun Yang
- College of Chemistry and Chemical Engineering Yangzhou University Yangzhou 225002 PR China
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15
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Mainka T, Weirathmüller D, Herwig C, Pflügl S. Potential applications of halophilic microorganisms for biological treatment of industrial process brines contaminated with aromatics. J Ind Microbiol Biotechnol 2021; 48:kuab015. [PMID: 33928348 PMCID: PMC9113102 DOI: 10.1093/jimb/kuab015] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 01/20/2021] [Indexed: 11/13/2022]
Abstract
Saline wastewater contaminated with aromatic compounds can be frequently found in various industrial sectors. Those compounds need to be degraded before reuse of wastewater in other process steps or release to the environment. Halophiles have been reported to efficiently degrade aromatics, but their application to treat industrial wastewater is rare. Halophilic processes for industrial wastewater treatment need to satisfy certain requirements: a continuous process mode, low operational expenditures, suitable reactor systems and a monitoring and control strategy. The aim of this review is to provide an overview of halophilic microorganisms, principles of aromatic biodegradation, and sources of saline wastewater containing aromatics and other contaminants. Finally, process examples for halophilic wastewater treatment and potential process monitoring strategies are discussed. To further illustrate the significant potential of halophiles for saline wastewater treatment and to facilitate development of ready-to-implement processes, future research should focus on scale-up and innovative process monitoring and control strategies.
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Affiliation(s)
- Thomas Mainka
- Institute for Chemical, Environmental and Bioscience
Engineering, TU Wien, Gumpendorfer Straße 1a, 1060
Vienna, Austria
- Competence Center CHASE GmbH,
Altenbergerstraße 69, 4040 Linz, Austria
| | - David Weirathmüller
- Institute for Chemical, Environmental and Bioscience
Engineering, TU Wien, Gumpendorfer Straße 1a, 1060
Vienna, Austria
| | - Christoph Herwig
- Institute for Chemical, Environmental and Bioscience
Engineering, TU Wien, Gumpendorfer Straße 1a, 1060
Vienna, Austria
- Competence Center CHASE GmbH,
Altenbergerstraße 69, 4040 Linz, Austria
| | - Stefan Pflügl
- Institute for Chemical, Environmental and Bioscience
Engineering, TU Wien, Gumpendorfer Straße 1a, 1060
Vienna, Austria
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16
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Kaewjua K, Nakthong P, Chailapakul O, Siangproh W. Flow-based System: A Highly Efficient Tool Speeds Up Data Production and Improves Analytical Performance. ANAL SCI 2021; 37:79-92. [PMID: 32981899 DOI: 10.2116/analsci.20sar02] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this review, we cite references from the period between 2015 and 2020 related to the use of a flow-based system as a tool to obtain a modern analytical system for speeding up data production and improving performance. Based on a great deal of concepts for automatic systems, there are several research groups introduced in the development of flow-based systems to increase sample throughput while retaining the reproducibility and repeatability as well as to propose new platforms of flow-based systems, such as microfluidic chip and paper-based devices. Additionally, to apply a developed system for on-site analysis is one of the key features for development. We believe that this review will be very interested and useful for readers because of its impact on developing novel analytical systems. The content of the review is categorized following their applications including quality control and food safety, clinical diagnostics, environmental monitoring and miscellaneous.
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Affiliation(s)
- Kantima Kaewjua
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok, 10110, Thailand
| | - Prangthip Nakthong
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok, 10110, Thailand
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Center of Excellence, Department of Chemistry, Faculty of Science, Bangkok, 10330, Thailand
| | - Weena Siangproh
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok, 10110, Thailand.
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17
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Fan Y, Xing H, Xue Y, Peng C, Li J, Wang E. Universal Platform for Ratiometric Sensing Based on Catalytically Induced Inner-Filter Effect by Cu 2. Anal Chem 2020; 92:16066-16071. [PMID: 33211481 DOI: 10.1021/acs.analchem.0c03691] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Integrating two kinds of fluorescent probes in one system to develop a ratiometric sensing platform is of prime importance for achieving an accurate assay. Inspired by the efficient overlapped spectrum of 2-aminoterephthalic acid (PTA-NH2) and 2,3-diaminophenazine (DAP), a new sensitive ratiometric fluorescent sensor has been developed for Cu2+ on the basis of in situ converting o-phenylenediamine (OPD) into DAP through the catalysis of Cu2+. Here, the presence of Cu2+ induced the emission of DAP, which acted as an energy acceptor to inhibit the emission of PTA-NH2. This dual-emission reverse change ratiometric profile based on the inner-filter effect improved sensitivity and accuracy, and the highly sensitive determination of Cu2+ with a detection limit of 1.7 nmol·L-1 was obtained. The proposed sensing platform displayed the wide range of detection of Cu2+ from 5 to 200 nmol·L-1 by modulating the reaction time between Cu2+ and OPD. Moreover, based on the specific interaction between glutathione (GSH) and Cu2+, this fluorescent sensor showed high response toward GSH in a range of 0.5-80 μmol·L-1 with a detection limit of 0.16 μmol·L-1. The successful construction of this simple ratiometric sensing platform without the participation of enzymes provides a new route for the detection of small biological molecules that are closely related to human health.
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Affiliation(s)
- Yongchao Fan
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Huanhuan Xing
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Yuan Xue
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Chao Peng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Jing Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
| | - Erkang Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin 130022, P. R. China.,University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
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18
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Integration of a photoelectrochemical cell in a flow system for quantification of 4-aminophenol with titanium dioxide. Electrochem commun 2020. [DOI: 10.1016/j.elecom.2020.106767] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
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