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Shen J, Wang X, Qin L, Sun L, Liang Y, Li R, Tian H, Zhang X. Ratiometric fluorescent probes based on fluorogenic reactions of o-phenylenediamine for multiple sensing applications. Talanta 2025; 295:128329. [PMID: 40378760 DOI: 10.1016/j.talanta.2025.128329] [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: 03/31/2025] [Revised: 05/12/2025] [Accepted: 05/13/2025] [Indexed: 05/19/2025]
Abstract
In recent years, construction of ratiometric fluorescent probes based on the in-situ fluorescence reaction of o-phenylenediamine (OPD) is more convenient, simple and efficient for sensing various targets, which has attracted widespread attention from researchers. However, there is still a lack of systematic summary of its design strategies and applications, which may prevent its further development in this field. In this review, we will focus on the construction and application of ratiometric probes based on the in-situ fluorescence reaction of OPD. In addition, construction strategies of ratiometric fluorescent probes are divided into three main categories according to the different generated fluorescent products via in-situ fluorescence reaction of OPD. The first category of construction ratiometric fluorescent probe is based on the yellow fluorescence product. The second category of construction ratiometric fluorescent probe is based on the blue fluorescence product. The third category of construction ratiometric fluorescent probe is combined blue with yellow fluorescent products mentioned-above. Meanwhile, the multiple applications of the three types ratiometric fluorescent probes are summarized. This will provide us in-depth idea for the multiple-function development of ratiometric fluorescent probes in terms of the in-situ fluorescence reaction of OPD, and promote its research in broader fields in the future.
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Affiliation(s)
- Jingxiang Shen
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China.
| | - Xiaoxia Wang
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - Li Qin
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - Long Sun
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - YaQin Liang
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - Rui Li
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - Haiquan Tian
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
| | - Xinlu Zhang
- Department of Chemistry, Changzhi University, Changzhi, 046011, People's Republic of China
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2
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Zhao F, Guo H, Yang W, Guo L, Li J, Chen H. Determination of Acetylcholinesterase Activity Based on Ratiometric Fluorescence Signal Sensing. J Fluoresc 2025; 35:2707-2717. [PMID: 38613708 DOI: 10.1007/s10895-024-03703-y] [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: 02/29/2024] [Accepted: 04/05/2024] [Indexed: 04/15/2024]
Abstract
Acetylcholinesterase (AChE) plays an important role in the treatment of human diseases, environmental security and global food supply. In this study, the simple fluorescent indicators and MnO2 nanosheets were developed and integrated to establish a ratiometric fluorescence sensing system for the detection of AChE activity. Two fluorescence signals could be recorded independently at the same excitation wavelength, which extended the detection range and enhanced the visibility of results. Fluorescence of F-PDA was quenched by MnO2 nanosheets on account of inner filtering effect. Meanwhile, the nonfluorescent OPD was catalytically oxidized to 2,3-diaminophenazine by MnO2 nanosheets. The acetylcholine (ATCh) was catalytically hydrolyzed by AChE to enzymatic thiocholine, which decomposed MnO2 to Mn2+, recovered the fluorescence of F-PDA and reduced the emission of ox-OPD. Utilizing the fluorescence intensity ratio F468/F558 as the signal readout, the ratiometric fluorescence method was established to detect AChE activity. Under the excitation wavelength of 410 nm, the ratio F460/F558 against the AChE concentration demonstrated two linear relationships in the range 0.05 -1.0 and 1.0-50 U·L- 1 with a limit of detection (LOD) of 0.073 U·L- 1. The method was applied to the detection of AChE activity and the analysis of the inhibitor Huperzine-A. Due to the advantages of high sensitivity and favorable selectivity, the method possesses an application prospect in the activity deteceion of AChE and the screening of inhibitors.
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Affiliation(s)
- Fengju Zhao
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Hui Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
- Key Laboratory of Pharmaceutical Engineering of Zhejiang Province, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China.
| | - Wei Yang
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Lili Guo
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Jiaxin Li
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
| | - Hanqi Chen
- College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, Zhejiang Province, 310014, P.R. China
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Xia X, Zhao P, Zheng J, Li X, Zeng X, Men D, Luo Y, Hou C, Huo D. A novel quantum dot-based ratiometric fluorescence sensor array: For reducing substances detection and Baijiu quality discrimination. Anal Chim Acta 2025; 1347:343785. [PMID: 40024655 DOI: 10.1016/j.aca.2025.343785] [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: 10/18/2024] [Revised: 12/26/2024] [Accepted: 02/08/2025] [Indexed: 03/04/2025]
Abstract
BACKGROUND Discriminating the quality of baijiu is critical for fostering the growth of the China baijiu market and safeguarding customers' rights. However, establishing a small-scale and rapid baijiu discriminating sensor assay still remains a challenge. RESULTS Here, we first introduced ratiometric fluorescence sensor array for the detection of reducing substances in baijiu to achieve baijiu discrimination. A ratiometric fluorescence sensor array is built using 2,3-diaminophenazine (oxidized-state OPD, oxOPD) to quench three distinct fluorescence signals of quantum dots while reducing interference from background signals. The reducing chemicals in baijiu can react with Ag+, weakening the quenching effect and changing the ratio. The discriminating of 12 types of organic small molecules which were presented in baijiu was achieved with 97.2 % accuracy by using machine learning classification methods. Meanwhile, 0.1 μM limit of detection (LOD) for ascorbic acid shows that our methods have the potential to quantitative detect reducing substances. In real sample detection, our methods can discriminate 10 distinct qualities of baijiu with 100 % accuracy. We also encoded the fingerprints of different varieties of baijiu for quality control and information reading. SIGNIFICANCE AND NOVELTY Overall, our easy but robust sensing array not only overcomes the problem of background signal interference but also gives an ideal way for discriminating different qualities of baijiu, food and other areas.
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Affiliation(s)
- Xuhui Xia
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Peng Zhao
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Jia Zheng
- Strong-flavor Baijiu Solid State Fermentation Key Laboratory of China Light Industry, Wuliangye Group Co., Ltd, Yibin, 644007, PR China.
| | - Xuheng Li
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Xin Zeng
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Dianhui Men
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Yiyao Luo
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China
| | - Changjun Hou
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China; Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science and Engineering, 188 University Town, Yi Bin, 644000, PR China.
| | - Danqun Huo
- Key Laboratory for Biological Science and Technology of Ministry of Education, Bioengineering College of Chongqing University, Chongqing, 400044, PR China.
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Lv J, He C, Cao J, Shuai Q, Liu X, Li M, Lin Y. Gold nanoclusters/manganese dioxide nanosheets hybrid nanozyme with fluorescence and oxidase-like activity for dual-mode detection of acetylcholinesterase and inhibitors screening. Anal Bioanal Chem 2025; 417:1093-1104. [PMID: 39733176 DOI: 10.1007/s00216-024-05712-z] [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: 11/01/2024] [Revised: 12/09/2024] [Accepted: 12/11/2024] [Indexed: 12/30/2024]
Abstract
The abnormal expression of acetylcholinesterase (AChE) is linked to the development of various diseases. Accurate determination of AChE activity as well as screening AChE inhibitors (AChEIs) holds paramount importance for early diagnosis and treatment of AChE-related diseases. Herein, a fluorescent and colorimetric dual-channel probe based on gold nanoclusters (AuNCs) and manganese dioxide nanosheets (MnO2 NSs) was developed. The fluorescence of AuNCs was suppressed in the presence of MnO2 NSs, providing a platform for fluorescence-based detection. For colorimetric, the nanocomposites exhibited oxidase-like activity, rapidly catalyzing 3,3',5,5'-tetramethylbenzidine (TMB) to generate a blue color. Thiocholine (TCh), produced through the enzymatic reaction of acetylthiocholine (ATCh) in the presence of AChE, can reduce the MnO2 NSs, thus recovering the suppressed fluorescence of AuNCs and decreasing oxidase-like activity. Based on this principle, a dual-mode assay for AChE detection was achieved. Compared to the commonly used single-signal detection, multi-mode detection can offer reliable and accurate results, due to its inherent self-validation and self-regulation capabilities. Under optimum conditions, the limit of detection (LOD) for AChE activity was 0.067 mU mL-1 (fluorescent mode) and 0.042 mU mL-1 (colorimetric mode). Moreover, the probe realized AChE detection in biological samples and AChEIs screening. This work showed the great prospects for early diagnosis of AChE-related diseases.
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Affiliation(s)
- Jie Lv
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, 050017, China
| | - Chengcai He
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, 050017, China
- Baoding Hospital of Beijing Children's Hospital, Capital Medical University, Baoding, 071000, China
| | - Jingcheng Cao
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China
| | - Qiuyan Shuai
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, 050017, China
| | - Xifang Liu
- Neurology Department, Shijiazhuang People's Hospital, Shijiazhuang, 050000, China
| | - Meng Li
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, 050017, China.
| | - Yulong Lin
- College of Pharmacy, Key Laboratory of Innovative Drug Development and Evaluation, Hebei Medical University, Shijiazhuang, 050017, China.
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Qin J, Guo N, Yang J, Wei J. Recent advances in metal oxide nanozyme-based optical biosensors for food safety assays. Food Chem 2024; 447:139019. [PMID: 38520903 DOI: 10.1016/j.foodchem.2024.139019] [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: 12/04/2023] [Revised: 03/08/2024] [Accepted: 03/10/2024] [Indexed: 03/25/2024]
Abstract
Metal oxide nanozymes are emerging as promising materials for food safety detection, offering several advantages over natural enzymes, including superior stability, cost-effectiveness, large-scale production capability, customisable functionality, design options, and ease of modification. Optical biosensors based on metal oxide nanozymes have significantly accelerated the advancement of analytical research, facilitating the rapid, effortless, efficient, and precise detection and characterisation of contaminants in food. However, few reviews have focused on the application of optical biosensors based on metal oxide nanozymes for food safety detection. In this review, the catalytic mechanisms of the catalase, oxidase, peroxidase, and superoxide dismutase activities of metal oxide nanozymes are characterized. Research developments in optical biosensors based on metal oxide nanozymes, including colorimetric, fluorescent, chemiluminescent, and surface-enhanced Raman scattering biosensors, are comprehensively summarized. The application of metal oxide nanozyme-based biosensors for the detection of nitrites, sulphites, metal ions, pesticides, antibiotics, antioxidants, foodborne pathogens, toxins, and other food contaminants has been highlighted. Furthermore, the challenges and future development prospects of metal oxide nanozymes for sensing applications are discussed. This review offers insights and inspiration for further investigations on optical biosensors based on metal oxide nanozymes for food safety detection.
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Affiliation(s)
- Jing Qin
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China.
| | - Ningning Guo
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jia Yang
- College of Advanced Materials Engineering, Jiaxing Nanhu University, Jiaxing 314001, China
| | - Jing Wei
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, Institute of Analytical Chemistry and Instrument for Life Science, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China.
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6
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Li G, Liu Z, Gao W, Tang B. Recent advancement in graphene quantum dots based fluorescent sensor: Design, construction and bio-medical applications. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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7
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Chen L, Yang W, Li D, Ma Y, Chen L, You S, Liu S. Poly cytosine (C)/poly adenine (A) modified probe for signal "on-off-on" assay of single-base mismatched dsDNA by a competitive mechanism. Anal Chim Acta 2023; 1239:340705. [PMID: 36628713 DOI: 10.1016/j.aca.2022.340705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022]
Abstract
Direct discrimination of single-base mismatched dsDNA by a simple method or strategy would provide enormous opportunities for applications in the fields of life sciences and disease diagnosis. Herein, the peroxidase-mimicking activity of a metal-organic framework nanoprobe (MOF) was well exploited for the direct discrimination of single-base mismatched dsDNA based on a competition-induced signal on-off-on mechanism. The single-base mismatched dsDNA related with FecB gene (usually guanine (G)/thymine (T) mismatch) and MIL-88B-NH2 were used as target and MOF model, respectively. Firstly, polyA/polyC were loosely adsorbed onto the MOFs via the weak interaction to block the peroxidase activity of MOF, inducing the signal transition from on to off. Unexpectedly, the single-base mismatched (GT) dsDNA could reverse the signal response of MOF probe from off to on. But it could not occur for other nonspecific mismatches, such as CT and TT-mismatched dsDNA. A synergistic interaction mechanism between multiple GT mismatches and polyA/polyC was attempted to explain the competitive dissociation of polyA/polyC from MOF for the recovery of peroxidase activity. With it, a wide linear detection ranges from 10-9 M-10-5 M of GT mismatched dsDNA and a low detection limit of 0.247 nM could be achieved, even in the real samples. The effect of mismatched base number or position was also studied. Such a simple, rapid, cost-effective, and one-step mixing and checking method for single-base mismatched dsDNA discrimination eliminates the complex sample pretreatment, special DNA probe design, exclusive amplification or signal readout means. It thus offers a simple and effective route for direct discrimination of mismatched dsDNA and might hold a huge potential for the applications in gene analysis, disease diagnosis, and elementary research in life sciences.
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Affiliation(s)
- Lihua Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Wenjie Yang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Dong Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yunkang Ma
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Lili Chen
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Shuang You
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, Key Laboratory of Ecochemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Shufeng Liu
- College of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, PR China.
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Wang H, Wang J, Li Q, Du J. Substrate-free fluorescence ratiometric detection of serum acetylcholinesterase activity with a self-assembled CsPbBr 3 perovskite nanocrystals/tetraphenylporphyrin tetrasulfonic acid nanocomposite. Talanta 2022; 250:123746. [PMID: 35872485 DOI: 10.1016/j.talanta.2022.123746] [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: 05/05/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 10/17/2022]
Abstract
A dual-emission fluorescent nanoprobe was successfully constructed through self-assembling CsPbBr3 perovskite nanocrystals (CsPbBr3 PNCs) and tetraphenylporphyrin tetrasulfonic acid (TPPS). Acetylcholinesterase (AChE) is observed to directly quench the green fluorescence of CsPbBr3 PNCs at 520 nm in the absence of an enzyme substrate, but has no significant influence on the red emission of TPPS at 650 nm. The decreased value of the fluorescence intensities ratio at 520 to 650 nm (ΔF520/F650) is proportional to the logarithmic value of AChE activity ranging from 0.05 to 1.0 U/L. The limit of detection is as low as 0.0042 U/L. The relative standard deviation is 3.6% in eleven consecutive measurements of 0.2 U/L AChE. The method exhibits a good anti-interference capacity since it does not respond to most concomitant species. Satisfactory results are acquired for the determination of AChE activity in human serum samples.
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Affiliation(s)
- Hongbo Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jing Wang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Qian Li
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jianxiu Du
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China.
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9
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High-throughput optical assays for sensing serine hydrolases in living systems and their applications. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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10
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Enhanced oxidase-like activity of g-C3N4 nanosheets supported Pd nanosheets for ratiometric fluorescence detection of acetylcholinesterase activity and its inhibitor. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Zhao XH, Dai XC, Zhou YN, Zhang HX, Cui XH, Zhai X, Yu BF, Song ZL. A sensitive fluorescence biosensor based on metal ion-mediated DNAzyme activity for amplified detection of acetylcholinesterase. Analyst 2022; 147:2575-2581. [DOI: 10.1039/d2an00414c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
In this paper, we developed an amplified fluorescence biosensor for acetylcholinesterase (AChE) activity detection by taking advantage of the mercury ion-mediated Mgzyme (Mg2+-dependent DNAzyme) activity.
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Affiliation(s)
- Xu-Hua Zhao
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiao-Chun Dai
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Ya-Nan Zhou
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Han-Xiao Zhang
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiao-Hua Cui
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Xiang Zhai
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Bao-Feng Yu
- Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, P. R. China
| | - Zhi-Ling Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
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12
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Pei T, He Y, Wang Y, Song G. Fluorine-free synthesis of Ti 3C 2 MQDs for smartphone-based fluorescent and colorimetric determination of acetylcholinesterase and organophosphorus pesticides. Mikrochim Acta 2021; 189:7. [PMID: 34862575 DOI: 10.1007/s00604-021-05115-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/18/2021] [Indexed: 11/25/2022]
Abstract
Ti3C2 MQDs were synthesized using an effective fluorine-free method with excitation/emission maxima at 390/490 nm and a fluorescence quantum yield of 11.78%. In contrast to the traditional, hazardous, and time-consuming process of HF pretreatment, our fluorine-free method is safe and simple. Acetylcholinesterase (AChE) could catalyze the hydrolysis of acetylthiocholine (ATCh) to produce thiocholine which was further reacted with Ehrman's reagent and decomposed to form a yellow product 2-nitro-5-thiobenate anion (TNB). Due to the obvious overlap between the excitation spectrum of Ti3C2 MQDs and the absorption spectrum of TNB, AChE catalyzed the hydrolysis of substrate DTNB/ATCh to form TNB, which can effectively quench the fluorescence of Ti3C2 MQDs through the inner filter effect (IFE). However, the presence of organophosphorus (OPs) inhibited the activity of AChE, leading to a less expressed IFE and increasing recovery of fluorescence. This was used for the quantification of OPs with a detection limit of 0.20 μg·L-1. Moreover, with the constant increase of AChE activity, the color of the reaction system changed visibly from colorless to yellow, and then from yellow to colorless with further continuous addition of OPs. A colorimetric detection with a paper-based sensor of AChE activity and OP concentration was also fabricated by analyzing changes in RGB value using a smartphone APP. In this work, we proposed an effective fluorescence/colorimetric two-mode detection method, which opened a new horizon to detect other targets.
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Affiliation(s)
- Ting Pei
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, Wuhan, 430062, China
| | - Yu He
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China.
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, Wuhan, 430062, China.
| | - Yaping Wang
- State Key Laboratory of Biocatalysis and Enzyme Engineering, School of Life Science, Hubei University, Wuhan, 430062, China
| | - Gongwu Song
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan, 430062, China
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13
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Imangaliyeva AN, Sela A, Eltzov E, Poverenov E. The polyaminosaccharide-based buffers as a new type of zwitterionic buffering macromolecules for biochemical applications. Carbohydr Polym 2021; 273:118601. [PMID: 34561001 DOI: 10.1016/j.carbpol.2021.118601] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/04/2021] [Accepted: 08/19/2021] [Indexed: 11/25/2022]
Abstract
A new type of biocompatible buffers based on zwitterionic polyaminosaccharides is reported. The carboxy- and amino-groups containing carboxymethyl chitosan (CM-CS) was synthesized and reacted with hydrochloric/acetic acid resulting in CM-CS-HCl and CM-CS-HAc buffers with buffering capacity of 20.6 and 15.2 mM/pH. The new buffers were comprehensively characterized for their physicochemical properties and checked on enzymatic reactions of acetylcholinesterase (AChE) and alkaline phosphatase (ALP). Their performance was compared to the phosphate and Tris buffers. The chloride-free, CM-CS-HAc demonstrated excellent buffering activity with Michaelis constants of 0.50 and 1.00 mM and maximum reaction rates of 5.62 and 2.26 μmol/min/mL for AChE and ALP reactions, respectively. Toxicity studies on stress-sensitive bioreporter bacteria verified nontoxicity of CM-CS-HAc. Zwitterionic polyaminosaccharides overcome drawbacks of monomeric buffers, such as interference with enzyme active sites, cell membrane injury and purification difficulties. Therefore, they may become the next generation of effective buffers for biological and biochemical applications.
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Affiliation(s)
- Ainur N Imangaliyeva
- Agro-nanotechnology and Advanced Materials Research Center, Postharvest and Food Sciences Institute, Agricultural Research Organization, The Volcani Institute, Rishon LeZion 7505101, Israel.
| | - Aviad Sela
- Agro-nanotechnology and Advanced Materials Research Center, Postharvest and Food Sciences Institute, Agricultural Research Organization, The Volcani Institute, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 7610001, Israel.
| | - Evgeni Eltzov
- Agro-nanotechnology and Advanced Materials Research Center, Postharvest and Food Sciences Institute, Agricultural Research Organization, The Volcani Institute, Rishon LeZion 7505101, Israel.
| | - Elena Poverenov
- Agro-nanotechnology and Advanced Materials Research Center, Postharvest and Food Sciences Institute, Agricultural Research Organization, The Volcani Institute, Rishon LeZion 7505101, Israel.
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14
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A near-infrared light triggered fluormetric biosensor for sensitive detection of acetylcholinesterase activity based on NaErF 4: 0.5 % Ho 3+@NaYF 4 upconversion nano-probe. Talanta 2021; 235:122784. [PMID: 34517642 DOI: 10.1016/j.talanta.2021.122784] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 07/26/2021] [Accepted: 08/02/2021] [Indexed: 11/21/2022]
Abstract
Acetylcholinesterase (AChE), as an important neurotransmitter, is widely present in the peripheral and central nervous systems. The aberrant expression of AChE could cause diverse neurodegenerative diseases. Herein, we developed a facile and interference-free fluorimetric biosensing platform for highly sensitive AChE activity determination based on a NaErF4: 0.5 % Ho3+@NaYF4 nano-probe. This nano-probe exhibits a unique property of emitting bright monochromic red (650 nm) upconversion (UC) emission under multiband (~808, ~980, and ~1530 nm) near-infrared (NIR) excitations. The principle of this detection relies on the quenching of the strong monochromic red UC emission by oxidization products of 3,3',5,5'-tetramethylbenzidine generated through AChE-modulated cascade reactions. This system shows a great sensing performance with a detection limit (LOD) of 0.0019 mU mL- 1 for AChE, as well as good specificity and stability. Furthermore, we validated the potential of the nano-probe in biological samples by determination of AChE in whole blood with a LOD of 0.0027 mU mL-1, indicating the potential application of our proposed platform for monitoring the progression of AChE-related disease.
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15
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Fluorescence and scattering based dual-optical signals ratiometric sensing and logic gate device for acetylcholinesterase activity assay. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106768] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Cheng Y, Liang L, Ye F, Zhao S. Ce-MOF with Intrinsic Haloperoxidase-Like Activity for Ratiometric Colorimetric Detection of Hydrogen Peroxide. BIOSENSORS-BASEL 2021; 11:bios11070204. [PMID: 34201518 PMCID: PMC8301872 DOI: 10.3390/bios11070204] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/17/2021] [Accepted: 06/18/2021] [Indexed: 11/25/2022]
Abstract
Metal–organic framework (MOF) nanozymes, as emerging members of the nanozymes, have received more and more attention due to their composition and structural characteristics. In this work, we report that mixed-valence state Ce-MOF (MVCM) has intrinsic haloperoxidase-mimicking activity. MVCM was synthesized by partial oxidation method using Ce-MOF as a precursor. In the presence of H2O2 and Br−, MVCM can catalyze oxidative bromination of chromogenic substrate phenol red (PR) to produce the blue product bromophenol blue (Br4PR), showing good haloperoxidase-like activity. Because of the special chromogenic substrate, we constructed a ratiometric colorimetric-sensing platform by detecting the absorbance of the MVCM-(PR, Br−) system at wavelengths of 590 and 430, for quantifying H2O2, where the detection limit of the H2O2 is 3.25 μM. In addition, the haloperoxidase-mimicking mechanism of the MVCM is proposed. Moreover, through enzyme kinetics monitoring, the Km (H2O2 and NH4Br) of the MVCM is lower than that of cerium oxide nanomaterials, indicating that the MVCM has a stronger binding affinity for H2O2 and NH4Br than other materials. This work provides more application prospects for the development of nanozymes in the field of biosensors in the future.
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Affiliation(s)
| | | | - Fanggui Ye
- Correspondence: ; Tel.: +86-773-585-6104
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17
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Fu R, Zhou J, Wang Y, Liu Y, Liu H, Yang Q, Zhao Q, Jiao B, He Y. Oxidase-like Nanozyme-Mediated Altering of the Aspect Ratio of Gold Nanorods for Breaking through H 2O 2-Supported Multicolor Colorimetric Assay: Application in the Detection of Acetylcholinesterase Activity and Its Inhibitors. ACS APPLIED BIO MATERIALS 2021; 4:3539-3546. [PMID: 35014439 DOI: 10.1021/acsabm.1c00069] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A convenient, fast, and colorful colorimetric platform with high resolution for acetylcholinesterase (AChE) activity and its inhibitors detection based on the regulation of oxidase-like nanozyme-mediated etching of gold nanorods (AuNRs) has been proposed in this work. MnO2 nanosheets are selected as the nanozyme. Their excellent oxidase-like activity enables the etching process to proceed smoothly without the usage of unstable H2O2. When AChE is present, it catalytically hydrolyzes acetylthiocholine (ATCh) to thiocholine (TCh). With high reducing ability, TCh induces the decomposition of MnO2 nanosheets, causing them to lose their oxidase-like activity. Thus, the etching of AuNRs is hampered. Consequently, with the increasing concentration of AChE, an apparent change in the AuNRs solution color is observed. The proposed platform achieves high-sensitivity detection of AChE (limit of detection = 0.18 mU/mL). Furthermore, the proposed platform also has been demonstrated its applicability for its inhibitors detection. Benefiting from the advantages of convenient and high resolution of visual readout, the proposed platform holds great potential for the detection of AChE and its inhibitors in clinical diagnosis.
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Affiliation(s)
- Ruijie Fu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Jing Zhou
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yiwen Wang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yanlin Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Haoran Liu
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Qin Yang
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Qiyang Zhao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Bining Jiao
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
| | - Yue He
- Laboratory of Quality & Safety Risk Assessment for Citrus Products (Chongqing), Ministry of Agriculture, Citrus Research Institute, Southwest University, Chongqing 400712, P.R. China.,National Citrus Engineering Research Center, Chongqing 400712, P.R. China
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18
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Yan B, Liu W, Duan G, Ni P, Jiang Y, Zhang C, Wang B, Lu Y, Chen C. Colorimetric detection of acetylcholinesterase and its inhibitor based on thiol-regulated oxidase-like activity of 2D palladium square nanoplates on reduced graphene oxide. Mikrochim Acta 2021; 188:162. [PMID: 33839958 DOI: 10.1007/s00604-021-04817-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 03/27/2021] [Indexed: 01/11/2023]
Abstract
A convenient and sensitive colorimetric assay for acetylcholinesterase (AChE) and its inhibitor has been designed based on the oxidase-like activity of {100}-faceted Pd square nanoplates which are grown in situ on reduced graphene oxide (PdSP@rGO). PdSP@rGO can effectively catalyze the oxidation of colorless 3,3',5,5'-tetramethylbenzidine (TMB) without the assistance of H2O2 to generate blue oxidized TMB (oxTMB) with a characteristic absorption peak at 652 nm. In the presence of AChE, acetylthiocholine (ATCh), a typical AChE substrate, is hydrolyzed to thiocholine (TCh). The generated TCh can effectively inhibit the PdSP@rGO-triggered chromogenic reaction of TMB via cheating with Pd, resulting in color fading and decrease in absorbance. Thus, a sensitive probe for AChE activity is constructed with a working range of 0.25-5 mU mL-1 and a limit of detection (LOD) of 0.0625 mU mL-1. Furthermore, because of the inhibition effect of tacrine on AChE, tacrine is also detected through the colorimetric AChE assay system within the concentrations range 0.025-0.4 μM with a LOD of 0.00229 μM. Hence, a rapid and facile colorimetric procedure to sensitively detect AChE and its inhibitor can be anticipated through modulating the oxidase-like activity of PdSP@rGO. Colorimetric method for detection of AChE and its inhibitor is established by modulating the oxidase mimetic activity of {100}-faceted Pd square nanoplates on reduced graphene oxide (PdSP@rGO).
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Affiliation(s)
- Bingsong Yan
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Wendong Liu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Guangbin Duan
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Pengjuan Ni
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Yuanyuan Jiang
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Chenghui Zhang
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Bo Wang
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China
| | - Yizhong Lu
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
| | - Chuanxia Chen
- School of Materials Science and Engineering, University of Jinan, Jinan, 250022, China.
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19
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Liu Z, Wang X, Ren X, Li W, Sun J, Wang X, Huang Y, Guo Y, Zeng H. Novel fluorescence immunoassay for the detection of zearalenone using HRP-mediated fluorescence quenching of gold-silver bimetallic nanoclusters. Food Chem 2021; 355:129633. [PMID: 33819808 DOI: 10.1016/j.foodchem.2021.129633] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 03/07/2021] [Accepted: 03/13/2021] [Indexed: 12/28/2022]
Abstract
In the presented study, a horseradish peroxidase (HRP)-mediated ratiometric fluorescence enzyme-linked immunosorbent assay (ELISA) for zearalenone (ZEN) was reported based on fluorescence quenching of gold-silver bimetallic nanoclusters (Au-Ag NCs). HRP-antibody was used as a bridge in this immunoassay, linking the ratiometric fluorescence signal to the ZEN concentration. HRP catalyzed the oxidization of o-phenylenediamine in the presence of H2O2, leading to the formation of 2,3-diaminophenazine, which not only delivered a new peak at 580 nm but also quenched Au-Ag NCs fluorescence at 690 nm. Under optimal conditions, the detection limit for the proposed ELISA was 0.017 ng/mL, which was approximately 6.6-fold lower than conventional ELISA. Moreover, analytical performances were evaluated fully including specificity, accuracy, precision, and practicability, and showed that this method provides a potential platform for sensitive and reliable detection of ZEN.
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Affiliation(s)
- Zhenjiang Liu
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaoyan Wang
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xuexiang Ren
- Institute of Plant Protection and Agro-Products Safety, Anhui Academy of Agricultural Sciences, Hefei 230001, China
| | - Weibin Li
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jianfan Sun
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou, China.
| | - Xinwei Wang
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yuqian Huang
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yanguo Guo
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Huawei Zeng
- College of Life Sciences, Huaibei Normal University, Huaibei 235099, China.
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