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Wang Z, Wang M, Fu X, Qian J, Wang M, Tan G. Novel hapten design, highly sensitive monoclonal antibody production, and immunoassay development for rapid screening of illegally added chloramphenicol in cosmetics. J Immunol Methods 2024; 525:113604. [PMID: 38142928 DOI: 10.1016/j.jim.2023.113604] [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: 02/22/2023] [Revised: 12/12/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
Hapten design and synthesis have been regarded as the key factor to generate high-quality antibodies. In the present study, a novel hapten of chloramphenicol was synthesized, characterized and compared with two conventional haptens. The new hapten generated mAb 4B5 showed higher sensitivity and titer than the other two haptens-based mAbs. The haptens synthesized with the structure of chloramphenicol base generated more sensitive antibodies than the hapten with chloramphenicol succinate, and the spacer arm linked to the phenyl group hapten elicited the strongest antibody response. After optimization, a direct competitive enzyme-linked immunosorbent assay (dcELISA) and a lateral flow immunoassay (LFIA), both based on the mAb 4B5, were developed. The dcELISA had a half maximum inhibition concentration of 0.23 ng/mL and the LFIA showed a cutoff value of 5-10 ng/mL. The LFIA was applied to detect illegally-added chloramphenicol samples in anti-acne cosmetics, five out of 19 samples were tested chloramphenicol containing within 10 min, which result was confirmed with the dcELISA and HPLC. The LFIA has an adequate sensitivity and can be used as a point of care diagnostic device for rapidly screening chloramphenicol in cosmetics.
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Affiliation(s)
- Zhaoxiang Wang
- College of Life Sciences, Capital Normal University, Beijing 100089, China; College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Mian Wang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Xiaoxiang Fu
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Jingqi Qian
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China.
| | - Min Wang
- College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, China.
| | - Guiyu Tan
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
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Yao J, Xu X, Liu L, Kuang H, Xu C. Gold nanoparticle-based immunoassay for the detection of bifenthrin in vegetables. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2022; 39:531-541. [PMID: 35104182 DOI: 10.1080/19440049.2021.2020909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
We have developed a sensitive and rapid gold nanoparticle-based immunochromatographic strip (GNP-ICS) for the detection of bifenthrin (BF) using an anti-BF monoclonal antibody (mAb). When used in indirect competitive enzyme-linked immunosorbent assay (icELISA), the specific anti-BF mAb (3D1) had a half-maximal inhibitory concentration (IC50) and limit of detection (LOD) of 59 and 15 ng mL-1 respectively. Additionally, its cross-reactivity (CR) with other pyrethroids was negative. The developed GNP-ICS assay based on the GNP-labelled mAb was specific and sensitive for determining BF, with a cut-off value of 1,000 ng mL-1, and a visual LOD (vLOD) value of 50 ng mL-1. Furthermore, the developed icELISA and GNP-ICS were applied with a simple pre-treatment to determine BF-spiked vegetable samples, and the recoveries were validated using gas chromatography-mass spectrometry (GC-MS). The results revealed that the developed GNP-ICS was reliable for the detection of BF in practical samples.
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Affiliation(s)
- Jingjing Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.,International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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3
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Qian J, Wang M, Wang Z, Feng R, Zhang J, Ye C, Zhang M, Wang B, Cui L. Development of single- and multiplex immunoassays for rapid detection and quantitation of amodiaquine in ACT drugs and rat serum. Anal Bioanal Chem 2022; 414:1631-1640. [PMID: 34846541 PMCID: PMC9475496 DOI: 10.1007/s00216-021-03787-6] [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: 07/21/2021] [Revised: 09/24/2021] [Accepted: 11/10/2021] [Indexed: 10/19/2022]
Abstract
Amodiaquine (AQ) is a commonly used antimalarial drug, and N-desethyl-AQ (N-DEAQ) is an active metabolite of AQ. Given the significance of drug quality in the management of malaria cases, this study aims to develop antibody-based assays for the detection and quantitation of AQ without the need for sophisticated equipment. Two monoclonal antibodies (mAbs) against AQ, designated as JUN7 and TE7, were selected, which showed 72.7% and 9.5% cross-reactivity to N-DEAQ, respectively. These mAbs showed <0.1% cross-reactivity to other commonly used antimalarial drugs. An indirect competitive enzyme-linked immunosorbent assay (icELISA) based on JUN7 showed a 50% inhibitory concentration (IC50) of 0.16 ng/mL and a working range of 0.06-0.46 ng/mL. A lateral flow immunoassay (LFIA) based on JUN7 was also developed with a working range of 2.58-30.86 ng/mL. The icELISA and LFIA were applied for the quantification of AQ in commercial drugs, and the results were comparable to those determined using high-performance liquid chromatography. In addition, a combination dipstick for simultaneous, qualitative analysis of AQ and artesunate was developed. All immunoassays based on JUN7 can be applied for quality control of AQ-containing artemisinin-based combination therapies. As TE7 showed low cross-reactivity to N-DEAQ, an icELISA based on TE7 was developed with an IC50 of 0.38 ng/mL and a working range of 0.14-1.67 ng/mL. The TE7 icELISA was applied for the study of pharmacokinetics of AQ in rat serum after intragastric administration, and the results were consistent with those of previous studies.
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Affiliation(s)
- Jingqi Qian
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Mian Wang
- College of Food and Bioengineering, Xihua University, Chengdu, 610039, Sichuan, China
| | - Zhaoxiang Wang
- College of Biological and Sciences, China Agricultural University, Beijing, 100193, China
| | - Rui Feng
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Jiaqi Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Chencheng Ye
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Man Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China
| | - Baomin Wang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing, 100193, China.
| | - Liwang Cui
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, FL, 33612, USA.
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4
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Qian J, Wang M, Zhang M, Feng R, Zhang J, Ye C, Wang B, Cui L. Development and application of immunoassays for rapid quality control of the antimalarial drug combination artesunate-mefloquine. J Pharm Biomed Anal 2022; 207:114342. [PMID: 34634530 DOI: 10.1016/j.jpba.2021.114342] [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: 04/14/2021] [Revised: 08/09/2021] [Accepted: 08/21/2021] [Indexed: 10/20/2022]
Abstract
Artesunate-mefloquine is one of the commonly-used artemisinin-based combination therapies (ACTs). Given the significance of drug quality in the management of malaria cases, the objective of this study was to develop antibody-based assays as the point-of-care (POC) tests for monitoring the quality of this ACT. Using mefloquine conjugated to a carrier protein as the immunogen, we selected a specific monoclonal antibody (mAb) against mefloquine with no cross-reactivity to other antimalarial drugs. Using this mAb, we developed a direct competitive enzyme-linked immunosorbent assay (dcELISA) and a lateral flow immunoassay (LFIA) to measure the mefloquine contents. The dcELISA for mefloquine showed a 50% inhibitory concentration (IC50) and a working range of 2.79 ng/mL and 0.58-16.37 ng/mL, respectively. With the aid of a portable optical scanner, the LFIA had a working range of 0.15-2.67 µg/mL for mefloquine. When used to measure mefloquine contents in commercial drugs, the dcELISA and LFIA results were compatible with those determined using high-performance liquid chromatography. Using the same LFIA format, we developed a combination LFIA, which correctly estimated the artesunate and mefloquine contents in commercial ACTs. Therefore, both LFIAs could be used as POC devices for rapid quality control of artesunate and mefloquine in ACTs.
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Affiliation(s)
- Jingqi Qian
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Mian Wang
- College of Food and Bioengineering, Xihua University, Chengdu 610039, China
| | - Man Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Rui Feng
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Jiaqi Zhang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Chencheng Ye
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China
| | - Baomin Wang
- College of Agriculture and Biotechnology, China Agricultural University, Beijing 100193, China.
| | - Liwang Cui
- Department of Internal Medicine, Morsani College of Medicine, University of South Florida, 3720 Spectrum Boulevard, Suite 304, Tampa, FL 33612, USA.
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Yao J, Xu X, Liu H, Xu L, Liu L, Kuang H, Xu C. Sensitive immunochromatographic assay for the detection of the dimethachlone fungicide in tomatoes and lettuces. NEW J CHEM 2022. [DOI: 10.1039/d2nj00721e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A sensitive and rapid gold nanoparticle-based immunochromatographic strip (GNP-ICS) for the detection of dimethachlone (DMT) in tomatoes and lettuces.
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Affiliation(s)
- Jingjing Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Haiying Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liguang Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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Yao J, Xu X, Liu L, Kuang H, Wang Z, Xu C. A gold-based strip sensor for the detection of benzo[ a]pyrene in edible oils. Analyst 2021; 146:3871-3879. [PMID: 34028472 DOI: 10.1039/d1an00612f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
This report describes the development of a sensitive and broadly specific indirect competitive enzyme-linked immunosorbent assay (icELISA) and a gold nanoparticle-based immunochromatographic strip (GNP-ICS) assay for the detection of benzo[a]pyrene (B[a]P), using an anti-B[a]P monoclonal antibody (mAb). A broad-specific anti-B[a]P mAb (4E8) was raised from two types of haptens, with half maximal inhibitory concentrations and limits of detection (LOD) values of 2.51 and 0.54 ng mL-1, respectively. In addition, the cross-reactivity was up to 390% with structurally related compounds. The GNP-ICS assay based on a GNP-labeled mAb showed broad specificity in the detection of B[a]P and its analogues, with cut-off and visual LOD values of 100 and 10 ng mL-1, respectively. Furthermore, the recoveries from the developed icELISA and GNP-ICS assay in edible oil samples spiked with B[a]P were validated by high-performance liquid chromatography-fluorescence detection. The results revealed that the icELISA could reliably detect B[a]P in edible oils.
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Affiliation(s)
- Jingjing Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China. and International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China. and International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China. and International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China. and International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Zhengyou Wang
- Standards & Quality Center of National Food and Strategic Reserves Administration, Xicheng District, 100037 Beijing, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China. and International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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7
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Yao J, Wang Z, Guo L, Xu X, Liu L, Kuang H, Xu C. Lateral flow immunoassay for the simultaneous detection of fipronil and its metabolites in food samples. Food Chem 2021; 356:129710. [PMID: 33836353 DOI: 10.1016/j.foodchem.2021.129710] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022]
Abstract
We developed a sensitive and rapid lateral flow immunochromatographic (LFI) assay for the simultaneous detection of fipronil and its metabolites in eggs and cucumbers using gold nanoparticle (GNP)-labeled monoclonal antibodies (mAbs). Anti-fipronil mAbs (1B6) were produced using two haptens and identified by heterologous indirect competitive enzyme-linked immunosorbent assay (icELISA) with half maximal inhibitory concentration (IC50) and limit of detection (LOD) values of 0.46 ± 0.07 and 0.05 ± 0.01 ng mL-1, respectively. The developed LFI strip showed high sensitivity and specificity in the detection of fipronil with cut-off and visual limit of detection (vLOD) values of 10 and 0.25 ng mL-1, respectively. Furthermore, the application of LFI in the detection of fipronil-spiked egg and cucumber samples was validated by liquid chromatography tandem mass spectrometry (LC-MS/MS). Our developed LFI assay is suitable for detection of fipronil and its metabolites in real samples.
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Affiliation(s)
- Jingjing Yao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Zhongxing Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Lingling Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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8
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Hua X, Wang Z, Wang Z, Chen L, Zhou Z, Ouyang J, Deng K, Yang X, Huang H. De Novo Development of a Universal Biosensing Platform by Rapid Direct Native Protein Modification. Anal Chem 2021; 93:5291-5300. [PMID: 33734672 DOI: 10.1021/acs.analchem.1c00341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An innovative biosensing assay was developed for simplified, cost-effective, and sensitive detection. By rapid, direct treatment of target proteins with iron porphyrin (TPPFe) in situ, a carboxyl group of amino acid conjugates with an Fe atom of the TPPFe molecule, forming a stable protein complex. We have shown that this complex not only maintains the integrity and functions of original proteins but also acquires peroxidase activity that can turn TMB to a comparably visible signal like that in ELISA. This study is unique since such conversion is difficult to achieve with standard chemical modification or molecular biology methods. In addition, the proposed immunoassay is superior to traditional ELISA as it eliminates an expensive and complicated cross-linking process of an enzyme-labeled antibody. From a practical point of view, we extended this assay to rapid detection of clinically relevant proteins and glucose in blood samples. The results show that this simple immunoassay provides clinical diagnosis, food safety, and environmental monitoring in an easy-to-implement manner.
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Affiliation(s)
- Xinyi Hua
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Zhifang Wang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Ziqi Wang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Linlin Chen
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Zaichun Zhou
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Junlin Ouyang
- School of Computer Science and Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Keqin Deng
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Xiumei Yang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Haowen Huang
- Key Laboratory of Theoretical Organic Chemistry and Function Molecule, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411201, China.,Hunan Provincial Key Laboratory of Controllable Preparation and Functional Application of Fine Polymers, School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan 411201, China
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9
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Fluorescent AgInS/ZnS quantum dots microplate and lateral flow immunoassays for folic acid determination in juice samples. Mikrochim Acta 2020; 187:427. [PMID: 32632757 DOI: 10.1007/s00604-020-04398-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 06/16/2020] [Indexed: 10/23/2022]
Abstract
A noninstrumental rapid test for folic acid (FA) detection with visual results evaluation utilizing bright water-stable AgInS/ZnS (AIS/ZnS) quantum dots (QDs) is reported . AIS/ZnS QDs are hydrophilic photostable nanocrystals with size < 7 nm and emission in the visible range. They were synthesized directly in the water phase by a simple method compared to the synthesis of other QDs and conjugated with monoclonal antibodies specific for FA via ligand carboxyl groups. The conjugate was used for the development of instrumental qualitative and rapid quantitative FA detection methods. The competitive fluorescent microplate immunosorbent assay provided a limit of detection of 0.1 ng/mL FA and half maximal inhibitory concentration (IC50) of 24 ng/mL FA. The analytical signal was measured at ʎex = 410 nm and ʎem=590 nm. The proposed method showed no cross-reaction with other group B vitamins. For FA screening in juice samples, the lateral flow immunoassay was developed with a visual cutoff level of 3 μg/mL. In our perception, the developed methods are convenient for proving the perception of the AIS/ZnS QDs application as a luminescent label for immunoassay and are effective for FA detection. Graphical abstract.
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10
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Zhang L, Sun J, Zhou X, Nirere A, Wu X, Dai R. Classification detection of saccharin jujube based on hyperspectral imaging technology. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14591] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lin Zhang
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
| | - Jun Sun
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
| | - Xin Zhou
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
| | - Adria Nirere
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
| | - Xiaohong Wu
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
| | - Ruimin Dai
- School of Electrical and Information EngineeringJiangsu University Zhenjiang China
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11
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Zhou S, Xu L, Liu L, Kuang H, Xu C. Development of a monoclonal antibody-based immunochromatographic assay for the detection of carbamazepine and carbamazepine-10, 11-epoxide. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1141:122036. [DOI: 10.1016/j.jchromb.2020.122036] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Revised: 02/12/2020] [Accepted: 02/14/2020] [Indexed: 12/31/2022]
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12
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Zeng L, Wu X, Liu L, Xu L, Kuang H, Xu C. Production of a monoclonal antibody for the detection of vitamin B1 and its use in an indirect enzyme-linked immunosorbent assay and immunochromatographic strip. J Mater Chem B 2020; 8:1935-1943. [DOI: 10.1039/c9tb02839k] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
A monoclonal antibody (mAb) against vitamin B1 was prepared and based on this, an indirect competitive enzyme-linked immunosorbent assay (ic-ELISA) and colloidal gold-based immunochromatographic test (ICT) strip were developed.
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Affiliation(s)
- Lu Zeng
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
| | - Xaioling Wu
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
| | - Liguang Xu
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology
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Liu Z, Liu L, Cui G, Wu X, Kuang H. Development of an immunochromatographic strip assay based on a monoclonal antibody for detection of cimaterol. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1674787] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Affiliation(s)
- Ziying Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, People’s Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, People’s Republic of China
| | - Gang Cui
- Department of Biotechnology, Yancheng Teachers University, Yancheng, People’s Republic of China
| | - Xiaoling Wu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, People’s Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People’s Republic of China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, People’s Republic of China
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