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Zhang Z, Feng Y, Teng H, Ru S, Li Y, Liu M, Wang J. Development and application of bisphenol S electrochemical immunosensor and iridium oxide nanoparticle-based lateral flow immunoassay. CHEMOSPHERE 2024; 364:143034. [PMID: 39117083 DOI: 10.1016/j.chemosphere.2024.143034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 08/01/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Bisphenol S (BPS) is a common pollutant in the environment and has posed a potential threat to aquatic animals and human health. To accurately assess the pollution level and ecological risk of BPS, there is an urgent need to establish simple and sensitive detection methods for BPS. In this study, BPS complete antigen was successfully prepared by introducing methyl 4-bromobutyrate and coupling bovine serum albumin (BSA). The monoclonal antibody against BPS (anti-BPS mAb) with high affinity (1: 256,000) was developed based on the BPS complete antigen, which showed low cross-reactivity with BPS structural analogues. Then, an electrochemical immunosensor was constructed to detect BPS using multi-walled carbon nanotubes and gold nanoflower composites as signal amplification elements and using anti-BPS mAb as the probe. The electrochemical immunosensor had a linear range from 1 to 250 ng⋅mL-1 and a limit of detection (LOD) down to 0.6 ng⋅mL-1. Additionally, a more stable and sensitive lateral flow immunoassay (LFIA) for BPS was developed based on iridium oxide nanoparticles, with a visual detection limit of 1 ng⋅mL-1, which was 10 times lower than that of classical Au-NPs LFIA. After evaluation of their stability and specificity, the reliability of these two methods were further validated by measuring BPS concentrations in the water and fish tissues. Thus, this study provides sensitive, robust and rapid methods for the detection of BPS in the environment and organisms, which can provide a methodological reference for monitoring environmental contaminants.
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Affiliation(s)
- Zhenzhong Zhang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Yongliang Feng
- Department of Basic Courses, Tangshan University, Tangshan, 063000, China
| | - Hayan Teng
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Shaoguo Ru
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Yuejiao Li
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Minhao Liu
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China
| | - Jun Wang
- College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, China.
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2
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Zhao Q, Chen Z, Shan CW, Zhan T, Han CY, Han GC, Feng XZ, Kraatz HB. Construction and evaluation of AuNPs enhanced electrochemical immunosensors with [Fe(CN) 6] 3-/4- and PPy probe for highly sensitive detection of human chorionic gonadotropin. Int J Biol Macromol 2024; 273:132963. [PMID: 38852725 DOI: 10.1016/j.ijbiomac.2024.132963] [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: 11/27/2023] [Revised: 05/24/2024] [Accepted: 06/04/2024] [Indexed: 06/11/2024]
Abstract
Human chorionic gonadotropin (HCG), a vital protein for pregnancy determination and a marker for trophoblastic diseases, finds application in monitoring early pregnancy and ectopic pregnancy. This study presents an innovative approach employing electrochemical immunosensors for enhanced HCG detection, utilizing Anti-HCG antibodies and gold nanoparticles (AuNPs) in the sensor platform. Two sensor configurations were optimized: BSA/Anti-HCG/c-AuNPs/MEL/e-AuNPs/SPCE with [Fe(CN)6]3-/4- as a redox probe (1) and BSA/Anti-HCG/PPy/e-AuNPs/SPCE using polypyrrole (PPy) as a redox probe (2). The first sensor offers linear correlation in the 0.10-500.00 pg∙mL-1 HCG range, with a limit of detection (LOD) of 0.06 pg∙mL-1, sensitivity of 32.25 μA∙pg-1∙mL∙cm-2, RSD <2.47 %, and a recovery rate of 101.03-104.81 %. The second sensor widens the HCG detection range (40.00 fg∙mL-1-5.00 pg∙mL-1) with a LOD of 16.53 fg∙mL-1, ensuring precision (RSD <1.04 %) and a recovery range of 94.61-106.07 % in serum samples. These electrochemical immunosensors have transformative potential in biomarker detection, offering enhanced sensitivity, selectivity, and stability for advanced healthcare diagnostics.
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Affiliation(s)
- Qi Zhao
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China
| | - Zhencheng Chen
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China
| | - Chen-Wei Shan
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China
| | - Tao Zhan
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China
| | - Chen-Yang Han
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China
| | - Guo-Cheng Han
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China.
| | - Xiao-Zhen Feng
- School of Life and Environmental Sciences, Guangxi Human Physiological Information Non Invasive Detection Engineering Technology Research Center, Guangxi Colleges and Universities Key Laboratory of Biomedical Sensors and Intelligent Instruments, Guilin University of Electronic Technology, Guilin 541004, PR China.
| | - Heinz-Bernhard Kraatz
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada.
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Guo M, Pang J, Wang Y, Bi C, Xu Z, Shen Y, Yang J, Wang H, Sun Y. Nanobodies-based colloidal gold immunochromatographic assay for specific detection of parathion. Anal Chim Acta 2024; 1310:342717. [PMID: 38811143 DOI: 10.1016/j.aca.2024.342717] [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: 01/28/2024] [Revised: 05/06/2024] [Accepted: 05/09/2024] [Indexed: 05/31/2024]
Abstract
Parathion is one of organophosphorus pesticide, which has been prohibited in agricultural products due to its high toxicity to human beings. However, there are still abuse cases for profit in agricultural production. Hence, we established nanobodies-based colloidal gold immunochromatographic assay (GICA) in which nanobodies (Nbs) as an excellent recognition element, greatly improving the stability and sensitivity of ICA. Under the optimal conditions, the developed Nbs-based GICA showed a cut-off value of 50 ng/mL for visual judgment and a half-inhibitory concentration (IC50) of 2.39 ng/mL for quantitative detection. The limit of detection (LOD) was as low as 0.15 ng/mL which was significantly 50-fold higher sensitivity than the commercial mAb-ICA. Additionally, this method exhibited good recoveries for the detection of cabbage, cucumber, and orange samples and excellent correlation with the UPLC-MS/MS method. The results showed that this method developed in this work based on nanobody can be used in practical detection of parathion in foods and nanobody is novel prospective antibody resource for immunoassays of chemical contaminants.
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Affiliation(s)
- Mingwei Guo
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Jiarui Pang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Yu Wang
- Guangzhou Institute of Food Inspection, Guangzhou, 510080, China
| | - Chaohui Bi
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Zhenlin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Yudong Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Jinyi Yang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
| | - Hong Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China.
| | - Yuanming Sun
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, 510642, China; Guangdong Laboratory for Lingnan Mordern Agriculture, Guangzhou, 510642, China
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Gao S, Niu L, Zhou R, Wang C, Zheng X, Zhang D, Huang X, Guo Z, Zou X. Significance of the antibody orientation for the lateral flow immunoassays: A mini-review. Int J Biol Macromol 2024; 257:128621. [PMID: 38070797 DOI: 10.1016/j.ijbiomac.2023.128621] [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: 10/23/2023] [Revised: 12/01/2023] [Accepted: 12/02/2023] [Indexed: 01/26/2024]
Abstract
Lateral flow immunoassays (LFIAs) are well-established and broadly commercialized tools in the field of point-of-care testing due to their simplicity, rapidity, cost-effectiveness, and low requirements for users and equipment. However, the insensitivity and the possibility of producing inaccurate results associated with conventional LFIAs have impeded their wide-ranging implementation, especially for monitoring ultra-trace level of analytes. Moreover, the heterogeneous distribution of amino acids on the surface of antibody (Ab) results in a lack of precise control over their orientation, which ultimately leads to unsatisfactory detection performance. To address those concerns, herein we provide an overview of the emerging efforts to prepare well-established LFIAs from the perspective of orientation manipulation of immobilized Abs on the nanoprobes or membranes. The preparation of excellent nanoprobes with Abs being oriented immobilized, consisting of the nanoprobe types, Ab types, and their conjugation chemistries, are reviewed. Followed by the introduction of efforts highlight the importance of directionally immobilized Ab on the membrane. The effects of Ab orientation on the analytical performance of LFIA platforms in terms of sensitivity, specificity, rapidity, reliability, cost-effectiveness, and stability are also summarized. Finally, the future development and challenges of Ab-oriented immobilization-assisted LFIAs are also discussed.
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Affiliation(s)
- Shipeng Gao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Lidan Niu
- Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing Institute for Food and Drug Control, Chongqing 401121, China
| | - Ruiyun Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Chen Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xueyun Zheng
- Key Laboratory of Fermentation Engineering (Ministry of Education), School of Biological Engineering and Food, Hubei University of Technology, Wuhan 430068, China
| | - Di Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xianliang Huang
- Key Laboratory of Condiment Supervision Technology for State Market Regulation, Chongqing Institute for Food and Drug Control, Chongqing 401121, China
| | - Zhiming Guo
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing (Jiangsu University), Jiangsu Education Department, Zhenjiang 212013, China.
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; China Light Industry Key Laboratory of Food Intelligent Detection & Processing, Jiangsu University, Zhenjiang 212013, China
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Zhang G, Liu T, Cai H, Hu Y, Zhang Z, Huang M, Peng J, Lai W. Molecular Engineering and Confinement Effect Powered Ultrabright Nanoparticles for Improving Sensitivity of Lateral Flow Immunoassay. ACS NANO 2024; 18:2346-2354. [PMID: 38181225 DOI: 10.1021/acsnano.3c10427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/07/2024]
Abstract
The application of traditional lateral flow immunoassay (LFIA)-based gold nanoparticles (AuNPs) to measure traces of target chemicals is usually challenging. In this study, we developed an integrated strategy based on molecular engineering and the spatial confinement of nanoparticles (NPs) to obtain ultrahigh quantum yields (QYs) of aggregation-induced emission (AIE) fluorescence NPs and employed them for the highly sensitive detection of T-2 toxin on the LFIA platform. Tetraethyl-4,4',4″,4‴-(ethene-1,1,2,2-tetrayl)tetrabenzoate (TCPEME), an AIE luminogen, was designed using molecular engineering to lower the energy gap, achieving higher QYs (26.26%) than previous AIEgens (13.02%). Subsequently, TCPEME-doped fluorescence NPs (TFNPs) achieved ultrahigh QYs, up to 84.55%, which were generated from the strong restriction of the NP state, efficiently suppressing nonradiative relaxation channels verified by ultrafast electron dynamics. On the LFIA platform, the sensitivity of the designed TFNP-based LFIA (TFNP-LFIA) was 10.4-fold and 4.3-fold more sensitive than that of the AuNP-LFIA and TPENP-LFIA for detecting the T-2 toxin, respectively. In addition, TFNP-LFIA was used for detecting T-2 toxin in samples and showed satisfactory recoveries (79.5 to 122.0%) with CV (1.49 to 11.75%), which implied excellent application potential for TFNP-LFIA. Overall, dual improvement of the molecule in fluorescence performance originating from the molecular engineering and spatial confinement of NPs could be an efficient tool for promoting the development of high-performance reporters in LFIA.
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Affiliation(s)
- Gan Zhang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Tingting Liu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Huadong Cai
- Animal Husbandry Development and Disease Control Center of Ganzhou, Ganzhou 341000, China
| | - Yan Hu
- Ganzhou Animal Husbandry and Fisheries Research Institute, Gannan Academy of Sciences, Ganzhou 341000, China
| | - Zhifang Zhang
- Jiangxi Agricultural Product Quality Safety and Inspection Center, Nanchang 330077, China
| | - Meifeng Huang
- Animal Husbandry Development and Disease Control Center of Ganzhou, Ganzhou 341000, China
| | - Juan Peng
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
| | - Weihua Lai
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
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6
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Hu L, Chen Z, Li T, Ye X, Luo Q, Lai W. Comparison of oriented and non-oriented antibody conjugation with AIE fluorescence microsphere for the immunochromatographic detection of enrofloxacin. Food Chem 2023; 429:136816. [PMID: 37459713 DOI: 10.1016/j.foodchem.2023.136816] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/21/2023] [Accepted: 07/03/2023] [Indexed: 08/24/2023]
Abstract
Antibodies and labels were typically non-oriented conjugated in conventional immunochromatographic assays (ICAs). In this work, a C-terminal cysteine-tagged recombinant protein A (rPA) was conjugated in an oriented manner onto aggregation-induced emission fluorescence microsphere (AIEFM). The Fc fragment of anti-enrofloxacin monoclonal antibody (anti-ENR mAb) was then conjugated onto the rPA. The resulting oriented mAb-AIEFM probe was used in an ENR-ICA for the rapid detection of ENR, a widely abused animal drug. The ENR-ICA with the oriented probe saved 66.7% of anti-ENR mAb and 25% of ENR-bovine serum albumin, and had a limit of detection of 0.035 ng/mL, compared with 0.079 ng/mL for the non-oriented probe. The corresponding linear ranges of the ENR-ICA based on the oriented and non-oriented probes were 0.25-10 ng/mL and 0.1-2.5 ng/mL, respectively. This novel ICA based on the oriented probe has the potential to be used for sensitive and rapid detection in food safety.
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Affiliation(s)
- Liwen Hu
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Zhenzhen Chen
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China
| | - Ting Li
- Ganjiang Traditional Chinese Medicine Innovation Center, Nanchang 330115, PR China
| | - Xianlong Ye
- Ganjiang Traditional Chinese Medicine Innovation Center, Nanchang 330115, PR China
| | - Qi Luo
- Jiangxi Ceneral Institute of Testing and Certification, Nanchang 330052, PR China
| | - Weihua Lai
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, PR China.
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Beduk T, Beduk D, Hasan MR, Guler Celik E, Kosel J, Narang J, Salama KN, Timur S. Smartphone-Based Multiplexed Biosensing Tools for Health Monitoring. BIOSENSORS 2022; 12:583. [PMID: 36004979 PMCID: PMC9406027 DOI: 10.3390/bios12080583] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 05/24/2023]
Abstract
Many emerging technologies have the potential to improve health care by providing more personalized approaches or early diagnostic methods. In this review, we cover smartphone-based multiplexed sensors as affordable and portable sensing platforms for point-of-care devices. Multiplexing has been gaining attention recently for clinical diagnosis considering certain diseases require analysis of complex biological networks instead of single-marker analysis. Smartphones offer tremendous possibilities for on-site detection analysis due to their portability, high accessibility, fast sample processing, and robust imaging capabilities. Straightforward digital analysis and convenient user interfaces support networked health care systems and individualized health monitoring. Detailed biomarker profiling provides fast and accurate analysis for disease diagnosis for limited sample volume collection. Here, multiplexed smartphone-based assays with optical and electrochemical components are covered. Possible wireless or wired communication actuators and portable and wearable sensing integration for various sensing applications are discussed. The crucial features and the weaknesses of these devices are critically evaluated.
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Affiliation(s)
- Tutku Beduk
- Silicon Austria Labs GmbH: Sensor Systems, 9524 Villach, Austria;
| | - Duygu Beduk
- Central Research Test and Analysis Laboratory Application and Research Center, Ege University, 35100 Izmir, Turkey;
| | - Mohd Rahil Hasan
- Department of Biotechnology, Jamia Hamdard, New Delhi 110062, India; (M.R.H.); (J.N.)
| | - Emine Guler Celik
- Department of Bioengineering, Faculty of Engineering, Ege University, 35100 Izmir, Turkey;
| | - Jurgen Kosel
- Silicon Austria Labs GmbH: Sensor Systems, 9524 Villach, Austria;
| | - Jagriti Narang
- Department of Biotechnology, Jamia Hamdard, New Delhi 110062, India; (M.R.H.); (J.N.)
| | - Khaled Nabil Salama
- Sensors Lab, Advanced Membranes and Porous Materials Center, Computer, Electrical and Mathematical Science and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia;
| | - Suna Timur
- Central Research Test and Analysis Laboratory Application and Research Center, Ege University, 35100 Izmir, Turkey;
- Department of Biochemistry, Faculty of Science, Ege University, 35100 Izmir, Turkey
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