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Wu X, Luo Z, Li W, Xia L, Xiong Y. An optical and visual multi-mode sensing platform base on nitrogen, sulfur, boron co-doped carbon dots for rapid and simple determination of ferric ions in water. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:122995. [PMID: 37329831 DOI: 10.1016/j.saa.2023.122995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/17/2023] [Accepted: 06/07/2023] [Indexed: 06/19/2023]
Abstract
Abnormal iron ions levels may lead to some diseases and serious environmental pollution. Herein, optical and visual detection strategies of Fe3+ in water based on co-doped carbon dots (CDs) were established in the present study. Firstly, a one-pot synthetic strategy for the preparation of the N, S, B co-doped CDs with a home microwave oven was developed. Secondly, the optical properties, chemical structures, and morphology of CDs were further characterized by fluorescence spectroscopy, Uv-vis absorption spectroscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and transmission electron microscope. Finally, the results indicated that the fluorescence of the co-doped CDs was quenched by ferric ions via the static mechanism and the aggregation of CDs, accompanied by the increased red color. The multi-mode sensing strategies of Fe3+ with fluorescence photometer, UV-visible spectrophotometer, portable colorimeter and smartphone had the advantages of good selectivity, excellent stability and high sensitivity. Fluorophotometry based on co-doped CDs was a powerful probe platform for measuring lower concentrations of Fe3+ due to its higher sensitivity, better linear relationship, lower limit of detection (0.27 μM) and limit of quantitation (0.91 μM). In addition, the visual detection methods with a portable colorimeter and smartphone had been proven to be very suitable for rapid and simple sensing of higher concentrations of Fe3+. Moreover, the co-doped CDs utilized for Fe3+ probes in tap water and boiler water obtained satisfactory results. Consequently, the efficient, versatile optical and visual multi-mode sensing platform could be extended to apply such a visual analysis of ferric ions in the biological, chemical and other fields.
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Affiliation(s)
- Xuewen Wu
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China.
| | - Zhenfeng Luo
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Wei Li
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Lingfeng Xia
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Yan Xiong
- Department of Chemical and Pharmaceutical Engineering, School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China.
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Liu Z, Ge M, Wang S. Nitrogen-doped porous carbon nanomaterials synthesized using a magadiite template as efficient peroxidase mimics for colorimetric detection of ascorbic acid as an antioxidant. ANAL SCI 2023; 39:1727-1739. [PMID: 37344740 DOI: 10.1007/s44211-023-00387-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 06/13/2023] [Indexed: 06/23/2023]
Abstract
Nanomaterials with intrinsic enzyme-like activity have gained substantial scientific attention as viable substitutes to natural biological enzymes owing to their cheap price and great stability. Numerous artificial enzyme mimics have been employed effectively in sectors such as sensing, environmental processing, and cancer treatment. In this study, novel nitrogen-doped porous carbon nanomaterials (CPs) were produced by modifying polypyrrole with magadiite using chemical oxidative polymerization and calcination methods. The obtained nitrogen-doped porous carbon nanomaterials exhibited improved peroxidase-like activity, which catalyzed the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2) to produce colorful compounds. Kinetic investigation revealed that the affinity for TMB of nitrogen-doped porous carbon peroxidase mimics was higher than that of genuine horseradish peroxidase (HRP). In addition, a sensitive assay with encouraging performance for the colorimetric detection of ascorbic acid (AA) was successfully fabricated employing nitrogen-doped porous carbon nanomaterials as peroxidase mimics. The results were satisfactory and demonstrated its potential application in antioxidant detection.
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Affiliation(s)
- Zhaoming Liu
- Key Laboratory of Polymer Processing Engineering of Ministry of Education, National Engineering Research Center of Novel Equipment for Polymer Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510641, China.
| | - Mingliang Ge
- Key Laboratory of Polymer Processing Engineering Ministry of Education, Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou, 510640, China
| | - Shengying Wang
- Key Laboratory of Polymer Processing Engineering of Ministry of Education, National Engineering Research Center of Novel Equipment for Polymer Processing, School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510641, China
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Kaur N, Tiwari P, Kumar P, Biswas M, Sonawane A, Mobin SM. Multifaceted Carbon Dots: toward pH-Responsive Delivery of 5-Fluorouracil for In Vitro Antiproliferative Activity. ACS APPLIED BIO MATERIALS 2023. [PMID: 37366546 DOI: 10.1021/acsabm.3c00228] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
The synthesis of smart hybrid material to assimilate diagnosis and treatment is crucial in nanomedicine. Herein, we present a simple and facile method to synthesize multitalented blue-emissive nitrogen-doped carbon dots N@PEGCDs. The as-prepared carbon dots N@PEGCDs show enhanced biocompatibility, small size, high fluorescence, and high quantum yield. The N@PEGCDs are used as a drug carrier for 5-fluorouracil (5-FU) with more release at acidic pH. Furthermore, the mode of action of drug-loaded CD (5FU-N@PEGCDs) has also been explored by performing wound healing assay, DCFDA assay for ROS generation, and Hoechst staining. The drug loaded with carbon dots showed less toxicity to normal cells compared to cancer cells, making it a perfect candidate to be studied for designing next-generation drug delivery systems.
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Affiliation(s)
- Navpreet Kaur
- Discipline of Biosciences and Bio-Medical Engineering, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Pranav Tiwari
- Discipline of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Pawan Kumar
- Discipline of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Mainak Biswas
- School of Biotechnology, KIIT Deemed to be University, Bhubaneswar 751024, Odisha, India
| | - Avinash Sonawane
- Discipline of Biosciences and Bio-Medical Engineering, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
| | - Shaikh M Mobin
- Discipline of Biosciences and Bio-Medical Engineering, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
- Discipline of Metallurgy Engineering and Materials Science, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
- Discipline of Chemistry, Indian Institute of Technology Indore, Simrol, Khandwa Road, Indore 453552, India
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Li Y, Javed R, Li R, Zhang Y, Lang Z, Zhao H, Liu X, Cao H, Ye D. A colorimetric smartphone-based sensor for on-site AA detection in tropical fruits using Fe-P/NC single-atom nanoenzyme. Food Chem 2023; 406:135017. [PMID: 36446276 DOI: 10.1016/j.foodchem.2022.135017] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/17/2022] [Accepted: 11/18/2022] [Indexed: 11/23/2022]
Abstract
Ascorbic acid is one of the important vitamins to maintain human life activities and plays an irreplaceable role in regulating human redox metabolism. Fresh fruit can provide plenty of AA to maintain human metabolic balance. Thus, it is great significant to develop a rapid and convenient method for detection of AA to evaluate the freshness and nutritional quality of fruits. In this work, Fe single-atom nanoenzyme (Fe-SAN) based colorimetric sensor assisted with smartphone was designed for rapid and on-site AA detection in tropical fruits. Firstly, Fe-SAN with high oxidase-mimicking activity was synthesized by using green tea leaves as sources of carbon and nitrogen and NaH2PO2 as P source to obtain Fe-P/NC SAN, in which P was used to reconstruct the distribution of electronic to enhance the oxidase-mimicking activity of Fe-SAN. Besides, the as-synthesized Fe-P/NC SAN with remarkable oxidase-like activities could oxidize 3,3́,5,5́-tetramethylbenzidine (TMB) to blue colored oxidized TMB. AA could inhibit the oxidation of TMB, leading to blue fading. Based on the above principle, colorimetric sensor integrated with smartphone RGB mode was fabricated and exhibited a good linear detection range (0.5-100 μM) and low detection limit of 0.315 μM for AA detection under optimal conditions. More importantly, the developed sensor could rapidly and accurately detect AA in real sample, such as pineapple, wax apple and mango. Therefore, this research provides a new cost-effective method for the efficient and exact detection of AA in tropical fruit, which has a broad application prospect.
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Affiliation(s)
- Ying Li
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China
| | - Rida Javed
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Rui Li
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China
| | - Yuyang Zhang
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China
| | - Ziyue Lang
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China
| | - Hongbin Zhao
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, China
| | - Xing Liu
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China
| | - Hongmei Cao
- School of Food Science and Engineering, Key Laboratory of Tropical and Vegetables Quality and Safety for State Market Regulation, Hainan University, Haikou 570228, China.
| | - Daixin Ye
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, China.
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Ali Farzin M, Abdoos H, Saber R. Graphite nanocrystals coated paper-based electrode for detection of SARS-Cov-2 gene using DNA-functionalized Au@carbon dot core–shell nanoparticles. Microchem J 2022; 179:107585. [PMID: 35578710 PMCID: PMC9093088 DOI: 10.1016/j.microc.2022.107585] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 05/09/2022] [Accepted: 05/10/2022] [Indexed: 12/30/2022]
Affiliation(s)
- Mohammad Ali Farzin
- Department of Nanotechnology, Faculty of New Sciences and Technologies, Semnan University, P.O. Box: 35131-19111, Semnan, Iran
| | - Hassan Abdoos
- Department of Nanotechnology, Faculty of New Sciences and Technologies, Semnan University, P.O. Box: 35131-19111, Semnan, Iran
| | - Reza Saber
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Zhang W, Zhong H, Zhao P, Shen A, Li H, Liu X. Carbon quantum dot fluorescent probes for food safety detection: Progress, opportunities and challenges. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108591] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Shi L, Dong X, Zhang G, Zhang Y, Zhang C, Dong C, Shuang S. Lysosome targeting, Cr(vi) and l-AA sensing, and cell imaging based on N-doped blue-fluorescence carbon dots. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:3561-3568. [PMID: 34313265 DOI: 10.1039/d1ay00977j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
N-doped blue-fluorescence carbon dots (N-CDs) were fabricated via a one-pot hydrothermal method using folic acid and p-phenylenediamine. The obtained N-CDs exhibited strong fluorescence (FL) with a considerable quantum yield (QY) of 21.8% and exceptional optical stability under different conditions. Upon introducing Cr(vi), blue FL of N-CDs was distinctly quenched. On subsequent addition of l-AA, the FL of N-CDs could be partially recovered. The fluorescence changes of N-CDs have been utilized to detect Cr(vi) and l-AA in aqueous solutions with linear ranges of 0.10-150 μM and 0.75-2.25 mM, respectively, as well as limit of detection values of 9.4 nM and 25 μM, respectively. Furthermore, as-obtained N-CDs can be extended to monitor the fluctuation of intracellular Cr(vi) and l-AA. More intriguingly, N-CDs can target lysosomes with a satisfactory Pearson correction coefficient of 0.87, which indicates a promising application prospect in the biomedical field.
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Affiliation(s)
- Lihong Shi
- College of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, P. R. China.
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Zhang S, Zhang C, Shao X, Guan R, Hu Y, Zhang K, Liu W, Hong M, Yue Q. Dual-emission ratio fluorescence for selective and sensitive detection of ferric ions and ascorbic acid based on one-pot synthesis of glutathione protected gold nanoclusters. RSC Adv 2021; 11:17283-17290. [PMID: 35479669 PMCID: PMC9032689 DOI: 10.1039/d0ra10281d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 05/04/2021] [Indexed: 01/22/2023] Open
Abstract
A fluorometric method was proposed for the determination of Fe3+ and ascorbic acid (AA) based on blue and red dual fluorescence emissions of glutathione (GSH) stabilized-gold nanoclusters (AuNCs). AuNCs were synthesized from GSH and tetrachloroauric acid. The fluorescence peaks of AuNCs were at 425 nm and 585 nm, respectively. In the presence of Fe3+, the fluorescence peak at 425 nm can be enhanced and that at 585 nm can be quenched. There is a good linear relationship between the fluorescence intensity ratio for the 425 and 585 nm peaks (F 425/F 585) and the concentration of Fe3+ in the range of 0.75-125 μM. However, when AA was added to the AuNCs-Fe3+ system, the value of F 425/F 585 decreased consistently with the concentration of AA in the range of 0.25-35 μM. The limit of detection for Fe3+ and AA was 227 and 75.8 nM, respectively. The interaction between AuNCs and Fe3+ can induce the ligand-metal charge transfer (LMCT) effect leading to the fluorescence increment at 425 nm, while AA can reduce Fe3+ to Fe2+. The production of Fe2+ can not enhance or quench the fluorescence of AuNCs. By comparison with previous literature, the AuNCs prepared here show two fluorescence peaks without additional fluorescence labels. Furthermore, the method was successfully applied in the determination of Fe3+ and AA in some real samples, such as water, human serum and tablets.
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Affiliation(s)
- Shuai Zhang
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Cong Zhang
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Xiaodong Shao
- Nanobioengineering/Bioelectronics Laboratory, Department of Biomedical Engineering, Florida International University Miami FL 33174 USA
| | - Rentian Guan
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Yingying Hu
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Keying Zhang
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Wenjing Liu
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Min Hong
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
| | - Qiaoli Yue
- Shandong Provincial Key Laboratory of Chrmical Energy Storage and Novel Cell Technology, School of Chemistry and Chemical Engineering, Liaocheng University China
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