1
|
Jared NM, Johnson ZT, Pola CC, Bez KK, Bez K, Hooe SL, Breger JC, Smith EA, Medintz IL, Neihart NM, Claussen JC. Biomimetic laser-induced graphene fern leaf and enzymatic biosensor for pesticide spray collection and monitoring. NANOSCALE HORIZONS 2024; 9:1543-1556. [PMID: 38985448 DOI: 10.1039/d4nh00010b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Monitoring of pesticide concentration distribution across farm fields is crucial to ensure precise and efficient application while preventing overuse or untreated areas. Inspired by nature's wettability patterns, we developed a biomimetic fern leaf pesticide collection patch using laser-induced graphene (LIG) alongside an external electrochemical LIG biosensor. This "collect-and-sense" system allows for rapid pesticide spray monitoring in the farm field. The LIG is synthesized and patterned on polyimide through a high-throughput gantry-based CO2 laser process, making it amenable to scalable manufacturing. The resulting LIG-based leaf exhibits a remarkable water collection capacity, harvesting spray mist/fog at a rate approximately 11 times greater than a natural ostrich fern leaf when the collection is normalized to surface area. The developed three-electrode LIG pesticide biosensor, featuring a working electrode functionalized with electrodeposited platinum nanoparticles (PtNPs) and the enzyme glycine oxidase, displayed a linear range of 10-260 μM, a detection limit of 1.15 μM, and a sensitivity of 5.64 nA μM-1 for the widely used herbicide glyphosate. Also, a portable potentiostat with a user-friendly interface was developed for remote operation, achieving an accuracy of up to 97%, when compared to a standard commercial benchtop potentiostat. The LIG "collect-and-sense" system can consistently collect and monitor glyphosate spray after 24-48 hours of spraying, a time that corresponds to the restricted-entry interval required to enter most farm fields after pesticide spraying. Hence, this innovative "collect-and-sense" system not only advances precision agriculture by enabling monitoring and mapping of pesticide distribution but also holds the potential to significantly reduce environmental impact, enhance crop management practices, and contribute to the sustainable and efficient use of agrochemicals in modern agriculture.
Collapse
Affiliation(s)
- Nathan M Jared
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Zachary T Johnson
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Cicero C Pola
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Kristi K Bez
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Krishangee Bez
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Shelby L Hooe
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Emily A Smith
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Nathan M Neihart
- Department of Electrical Engineering, Iowa State University, Ames, Iowa 50011, USA
| | - Jonathan C Claussen
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| |
Collapse
|
2
|
He G, Dong T, Yang Z, Branstad A, Huang L, Jiang Z. Point-of-care COPD diagnostics: biomarkers, sampling, paper-based analytical devices, and perspectives. Analyst 2022; 147:1273-1293. [PMID: 35113085 DOI: 10.1039/d1an01702k] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) has become the third leading cause of global death. Insufficiency in early diagnosis and treatment of COPD, especially COPD exacerbations, leads to a tremendous economic burden and medical costs. A cost-effective and timely prevention requires decentralized point-of-care diagnostics at patients' residences at affordable prices. Advances in point-of-care (POC) diagnostics may offer new solutions to reduce medical expenditures by measuring salivary and blood biomarkers. Among them, paper-based analytical devices have been the most promising candidates due to their advantages of being affordable, biocompatible, disposable, scalable, and easy to modify. In this review, we present salivary and blood biomarkers related to COPD endotypes and exacerbations, summarize current technologies to collect human whole saliva and whole blood samples, evaluate state-of-the-art paper-based analytical devices that detect COPD biomarkers in saliva and blood, and discuss existing challenges with outlooks on future paper-based POC systems for COPD diagnosis and management.
Collapse
Affiliation(s)
- Guozhen He
- Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Academician and Expert Workstation, Chongqing Technology and Business University, Nan'an District, Chongqing 400067, China.,Department of Microsystems (IMS), Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Postboks 235, 3603 Kongsberg, Norway.
| | - Tao Dong
- Department of Microsystems (IMS), Faculty of Technology, Natural Sciences and Maritime Sciences, University of South-Eastern Norway, Postboks 235, 3603 Kongsberg, Norway.
| | - Zhaochu Yang
- Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Academician and Expert Workstation, Chongqing Technology and Business University, Nan'an District, Chongqing 400067, China
| | - Are Branstad
- University of Southeast Norway (USN), School of Business, Box 235, 3603 Kongsberg, Norway
| | - Lan Huang
- Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Academician and Expert Workstation, Chongqing Technology and Business University, Nan'an District, Chongqing 400067, China
| | - Zhuangde Jiang
- Chongqing Key Laboratory of Micro-Nano Systems and Smart Transduction, Chongqing Key Laboratory of Colleges and Universities on Micro-Nano Systems Technology and Smart Transducing, Collaborative Innovation Center on Micro-Nano Transduction and Intelligent Eco-Internet of Things, Chongqing Academician and Expert Workstation, Chongqing Technology and Business University, Nan'an District, Chongqing 400067, China
| |
Collapse
|
3
|
Cheng J, Yang G, Guo J, Liu S, Guo J. Integrated electrochemical lateral flow immunoassays (eLFIAs): recent advances. Analyst 2022; 147:554-570. [DOI: 10.1039/d1an01478a] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Schematic of integrated electrochemical lateral flow immunoassays.
Collapse
Affiliation(s)
- Jie Cheng
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
| | - Guopan Yang
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
| | - Jiuchuan Guo
- School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu 611731, P. R. China
| | - Shan Liu
- Department of Laboratory Medicine, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, University of Electronic Science and Technology, Chengdu 610072, China
| | - Jinhong Guo
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, China
| |
Collapse
|
4
|
Perju A, Wongkaew N. Integrating high-performing electrochemical transducers in lateral flow assay. Anal Bioanal Chem 2021. [PMID: 33913001 DOI: 10.1007/s00216-021-03301-y/published] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Lateral flow assays (LFAs) are the best-performing and best-known point-of-care tests worldwide. Over the last decade, they have experienced an increasing interest by researchers towards improving their analytical performance while maintaining their robust assay platform. Commercially, visual and optical detection strategies dominate, but it is especially the research on integrating electrochemical (EC) approaches that may have a chance to significantly improve an LFA's performance that is needed in order to detect analytes reliably at lower concentrations than currently possible. In fact, EC-LFAs offer advantages in terms of quantitative determination, low-cost, high sensitivity, and even simple, label-free strategies. Here, the various configurations of EC-LFAs published are summarized and critically evaluated. In short, most of them rely on applying conventional transducers, e.g., screen-printed electrode, to ensure reliability of the assay, and additional advances are afforded by the beneficial features of nanomaterials. It is predicted that these will be further implemented in EC-LFAs as high-performance transducers. Considering the low cost of point-of-care devices, it becomes even more important to also identify strategies that efficiently integrate nanomaterials into EC-LFAs in a high-throughput manner while maintaining their favorable analytical performance. Graphical abstract.
Collapse
Affiliation(s)
- Antonia Perju
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany
| | - Nongnoot Wongkaew
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany.
| |
Collapse
|
5
|
Perju A, Wongkaew N. Integrating high-performing electrochemical transducers in lateral flow assay. Anal Bioanal Chem 2021; 413:5535-5549. [PMID: 33913001 PMCID: PMC8410735 DOI: 10.1007/s00216-021-03301-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/14/2021] [Accepted: 03/17/2021] [Indexed: 12/04/2022]
Abstract
Lateral flow assays (LFAs) are the best-performing and best-known point-of-care tests worldwide. Over the last decade, they have experienced an increasing interest by researchers towards improving their analytical performance while maintaining their robust assay platform. Commercially, visual and optical detection strategies dominate, but it is especially the research on integrating electrochemical (EC) approaches that may have a chance to significantly improve an LFA’s performance that is needed in order to detect analytes reliably at lower concentrations than currently possible. In fact, EC-LFAs offer advantages in terms of quantitative determination, low-cost, high sensitivity, and even simple, label-free strategies. Here, the various configurations of EC-LFAs published are summarized and critically evaluated. In short, most of them rely on applying conventional transducers, e.g., screen-printed electrode, to ensure reliability of the assay, and additional advances are afforded by the beneficial features of nanomaterials. It is predicted that these will be further implemented in EC-LFAs as high-performance transducers. Considering the low cost of point-of-care devices, it becomes even more important to also identify strategies that efficiently integrate nanomaterials into EC-LFAs in a high-throughput manner while maintaining their favorable analytical performance. Graphical abstract ![]()
Collapse
Affiliation(s)
- Antonia Perju
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany
| | - Nongnoot Wongkaew
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany.
| |
Collapse
|
6
|
Jafari Z, Hadjmohammadi MR. Polyvinylidene difluoride film with embedded poly(amidoamine) modified graphene oxide for extraction of chlorpyrifos and diazinon. Mikrochim Acta 2021; 188:37. [PMID: 33427963 DOI: 10.1007/s00604-020-04694-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/22/2020] [Indexed: 12/12/2022]
Abstract
An effective, sensitive, relatively fast, and cost-effective method was developed to determine two types of selected organophosphorus pesticides (OPPs) including diazinon and chlorpyrifos in apple, peach, and four different water samples (river, sea, well, and agriculture wastewater samples) through applying poly(amidoamine)@graphene oxide-reinforced polyvinylidene difluoride thin-film microextraction (PAMAM@GO-PVDF-TFME). The extracted analytes were desorbed via organic solvent and determined using high-performance liquid chromatography-ultraviolet detection (HPLC-UV). The strong interactions between the sorbent and selected analytes (coordination bonds, intermolecular hydrogen bonding, π-π interactions, and hydrophobic effects) made this TFME capable of high extraction performance and capacity. Several factors involved in the PAMAM@GO-PVDF-TFME experiments such as desorption volume, desorption time, sample pH, extraction time, and stirring rate were screened via Plackett-Burman design and then optimized through Box-Behnken design with the purpose of reaching the highest extraction efficiency. The above method showed a good linear range (0.5-500 μg L-1 and 1-500 μg L-1) with the coefficient of determination better 0.9944, low limits of determination (0.12 and 0.20 μg L-1), good enrichment factors (99 and 98), acceptable extraction recoveries (99 and 98%), and good spiking recoveries (90-98%) under the optimized condition at three different spike levels for chlorpyrifos and diazinon, respectively. The results confirmed that the presented method would be promising for the determination of various types of these pesticides in environmental and beverage samples.
Collapse
Affiliation(s)
- Zahra Jafari
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Niroo Havayii Boulevard, Babolsar, 47416-95447, Iran
| | - Mohammad Reza Hadjmohammadi
- Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Niroo Havayii Boulevard, Babolsar, 47416-95447, Iran.
| |
Collapse
|
7
|
Darvishnejad F, Raoof JB, Ghani M. MIL-101 (Cr) @ graphene oxide-reinforced hollow fiber solid-phase microextraction coupled with high-performance liquid chromatography to determine diazinon and chlorpyrifos in tomato, cucumber and agricultural water. Anal Chim Acta 2020; 1140:99-110. [DOI: 10.1016/j.aca.2020.10.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 12/16/2022]
|
8
|
Senf B, Yeo WH, Kim JH. Recent Advances in Portable Biosensors for Biomarker Detection in Body Fluids. BIOSENSORS-BASEL 2020; 10:bios10090127. [PMID: 32961853 PMCID: PMC7559030 DOI: 10.3390/bios10090127] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/12/2020] [Accepted: 09/14/2020] [Indexed: 11/16/2022]
Abstract
A recent development in portable biosensors allows rapid, accurate, and on-site detection of biomarkers, which helps to prevent disease spread by the control of sources. Less invasive sample collection is necessary to use portable biosensors in remote environments for accurate on-site diagnostics and testing. For non- or minimally invasive sampling, easily accessible body fluids, such as saliva, sweat, blood, or urine, have been utilized. It is also imperative to find accurate biomarkers to provide better clinical intervention and treatment at the onset of disease. At the same time, these reliable biomarkers can be utilized to monitor the progress of the disease. In this review, we summarize the most recent development of portable biosensors to detect various biomarkers accurately. In addition, we discuss ongoing issues and limitations of the existing systems and methods. Lastly, we present the key requirements of portable biosensors and discuss ideas for functional enhancements.
Collapse
Affiliation(s)
- Brian Senf
- School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, USA;
| | - Woon-Hong Yeo
- Human-Centric Interfaces and Engineering Program, Wallace H. Coulter Department of Biomedical Engineering, George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA;
| | - Jong-Hoon Kim
- School of Engineering and Computer Science, Washington State University, Vancouver, WA 98686, USA;
- Correspondence: ; Tel.: +1-360-546-9250; Fax: +1-360-546-9438
| |
Collapse
|
9
|
Quantum Dot Submicrobead–Based Immunochromatographic Assay for the Determination of Parathion in Agricultural Products. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01796-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
|
10
|
Dahiya V, Anand BG, Kar K, Pal S. Analyzing organophosphate pesticide-serum albumin binding interaction: a combined STD NMR and molecular docking study. J Biomol Struct Dyn 2020; 39:1865-1878. [PMID: 32189579 DOI: 10.1080/07391102.2020.1745280] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In Vitro analysis of the interaction of organophosphate pesticides (OP) with bovine serum albumin (BSA) is crucial to understand their potential effects at the molecular level. In this context, we have employed Saturation Transfer Difference (STD) NMR experiments in conjunction with molecular docking studies to unravel the binding interaction of the OP chlorpyrifos (CPF), diazinon (DZN) and parathion (PA) in solution. The relative STD (%) suggested the detailed epitope mapping of these OP with BSA while the concentration-dependent STD NMR studies were performed to obtain the complex dissociation constant (KD) of the OP-BSA complexes; KD=1.81 × 10-4 M, 1.30 × 10-3 M and 1.11 × 10-3 M for CPF, DZN and PA were extracted respectively. Similar binding modes were identified for all the three OP using STD site-marker experiment. ITC experiments were performed as a complementary method that revealed a high binding affinity of OP-BSA complexes through non-covalent interaction. Molecular docking confirmed the possible interacting chemical groups of OP-BSA complexes. These significant results furnish valuable information about the toxicity risk of OP to proteins.Communicated by Ramaswamy H. Sarma.
Collapse
Affiliation(s)
- Vandana Dahiya
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jheepasani, India
| | - Bibin G Anand
- Department of Bioscience and Bioengineering, Indian Institute of Technology Jodhpur, Jheepasani, India
| | - Karunakar Kar
- School of Life Sciences, Jawaharlal Nehru University, New Delhi, India
| | - Samanwita Pal
- Department of Chemistry, Indian Institute of Technology Jodhpur, Jheepasani, India
| |
Collapse
|
11
|
Ge X, Zhou P, Zhang Q, Xia Z, Chen S, Gao P, Zhang Z, Gu L, Guo S. Palladium Single Atoms on TiO
2
as a Photocatalytic Sensing Platform for Analyzing the Organophosphorus Pesticide Chlorpyrifos. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911516] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xiaoxiao Ge
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Peng Zhou
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter and Institute of Physics Chinese Academy of Sciences Beijing 100190 China
- School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Zhonghong Xia
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Shulin Chen
- Electron Microscopy Laboratory, and International Center for Quantum Materials School of Physics Peking University Beijing 100871 China
- State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology Harbin 150001 China
| | - Peng Gao
- Electron Microscopy Laboratory, and International Center for Quantum Materials School of Physics Peking University Beijing 100871 China
- Collaborative Innovation Centre of Quantum Matter Beijing 100871 China
| | - Zhe Zhang
- Institute of Environmental Research at Greater Bay Area Key Laboratory for Water Quality and Conservation of the Pearl River Delta Ministry of Education Guangzhou University Guangzhou 510006 China
| | - Lin Gu
- Beijing National Laboratory for Condensed Matter and Institute of Physics Chinese Academy of Sciences Beijing 100190 China
- School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Shaojun Guo
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
- BIC-ESAT College of Engineering Peking University Beijing 100871 China
- Department of Energy and Resources Engineering College of Engineering Peking University Beijing 100871 China
| |
Collapse
|
12
|
Ge X, Zhou P, Zhang Q, Xia Z, Chen S, Gao P, Zhang Z, Gu L, Guo S. Palladium Single Atoms on TiO
2
as a Photocatalytic Sensing Platform for Analyzing the Organophosphorus Pesticide Chlorpyrifos. Angew Chem Int Ed Engl 2019; 59:232-236. [DOI: 10.1002/anie.201911516] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Indexed: 12/24/2022]
Affiliation(s)
- Xiaoxiao Ge
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Peng Zhou
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Qinghua Zhang
- Beijing National Laboratory for Condensed Matter and Institute of Physics Chinese Academy of Sciences Beijing 100190 China
- School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Zhonghong Xia
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
| | - Shulin Chen
- Electron Microscopy Laboratory, and International Center for Quantum Materials School of Physics Peking University Beijing 100871 China
- State Key Laboratory of Advanced Welding and Joining Harbin Institute of Technology Harbin 150001 China
| | - Peng Gao
- Electron Microscopy Laboratory, and International Center for Quantum Materials School of Physics Peking University Beijing 100871 China
- Collaborative Innovation Centre of Quantum Matter Beijing 100871 China
| | - Zhe Zhang
- Institute of Environmental Research at Greater Bay Area Key Laboratory for Water Quality and Conservation of the Pearl River Delta Ministry of Education Guangzhou University Guangzhou 510006 China
| | - Lin Gu
- Beijing National Laboratory for Condensed Matter and Institute of Physics Chinese Academy of Sciences Beijing 100190 China
- School of Physical Sciences University of Chinese Academy of Sciences Beijing 100049 China
| | - Shaojun Guo
- Department of Materials Science & Engineering College of Engineering Peking University Beijing 100871 China
- BIC-ESAT College of Engineering Peking University Beijing 100871 China
- Department of Energy and Resources Engineering College of Engineering Peking University Beijing 100871 China
| |
Collapse
|
13
|
Fu Q, Wu Z, Li J, Wu Z, Zhong H, Yang Q, Liu Q, Liu Z, Sheng L, Xu M, Li T, Yin Z, Wu Y. Quantitative assessment of disease markers using the naked eye: point-of-care testing with gas generation-based biosensor immunochromatographic strips. J Nanobiotechnology 2019; 17:67. [PMID: 31101112 PMCID: PMC6524263 DOI: 10.1186/s12951-019-0493-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 05/04/2019] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Immunochromatographic strips (ICSs) are a practical tool commonly used in point-of-care testing (POCT) applications. However, ICSs that are currently available have low sensitivity and require expensive equipment for quantitative analysis. These limitations prohibit their extensive use in areas where medical resources are scarce. METHODS We developed a novel POCT platform by integrating a gas generation biosensor with Au@Pt Core/Shell nanoparticle (Au@PtNPs)-based ICSs (G-ICSs). The resulting G-ICSs enabled the convenient and quantitative assessment of a target protein using the naked eye, without the need for auxiliary equipment or complicated computation. To assess this platform, C-reactive protein (CRP), a biomarker commonly used for the diagnosis of acute, infectious diseases was chosen as a proof-of-concept test. RESULTS The linear detection range (LDR) of the G-ICSs for CRP was 0.05-6.25 μg/L with a limit of detection (LOD) of 0.041 μg/L. The G-ICSs had higher sensitivity and wider LDR when compared with commonly used AuNPs and fluorescent-based ICSs. When compared with results from a chemiluminescent immunoassay, G-ICS concordance rates for CRP detection in serum samples ranged from 93.72 to 110.99%. CONCLUSIONS These results demonstrated that G-ICSs have wide applicability in family diagnosis and community medical institutions, especially in areas with poor medical resources.
Collapse
Affiliation(s)
- Qiangqiang Fu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Ze Wu
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510632, People's Republic of China
| | - Jingxia Li
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Zengfeng Wu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Hui Zhong
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Quanli Yang
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Qihui Liu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Zonghua Liu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Lianghe Sheng
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Meng Xu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China
| | - Tingting Li
- Department of Transfusion Medicine, School of Laboratory Medicine and Biotechnology, Southern Medical University, Guangzhou, 510632, People's Republic of China.
| | - Zhinan Yin
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China.
| | - Yangzhe Wu
- The First Affiliated Hospital, Biomedical Translational Research Institute and School of Pharmacy and, and Guangdong Province Key Laboratory of Molecular Immunology and Antibody Engineering, Jinan University, Guangzhou, 510632, China.
| |
Collapse
|
14
|
Liu Y, Zhao Y, Zhang T, Chang Y, Wang S, Zou R, Zhu G, Shen L, Guo Y. Quantum Dots-Based Immunochromatographic Strip for Rapid and Sensitive Detection of Acetamiprid in Agricultural Products. Front Chem 2019; 7:76. [PMID: 30873400 PMCID: PMC6403152 DOI: 10.3389/fchem.2019.00076] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 01/28/2019] [Indexed: 11/13/2022] Open
Abstract
In this study, a rapid and sensitive immunochromatographic strip (ICS) assay, based on quantum dots (QDs), was developed for the qualitative and quantitative detection of acetamiprid in agricultural samples. Acetamiprid-ovalbumin conjugates (ACE-OVA) and goat anti-mouse IgG were sprayed onto a nitrocellulose membrane as a test and control line. Two kinds of anti-acetamiprid monoclonal antibodies (mAb) obtained in our lab were characterized by the ELISA and surface plasmon resonance assay. The competitive immunoassay was established using a QDs-mAb conjugate probe. The visual detection limit of acetamiprid for a qualitative threshold was set as 1 ng/mL to the naked eye. In the quantitative test, the fluorescence intensity was measured by a portable strip reader and a standard curve was obtained with a linear range from 0.098 to 25 ng/mL, and the half maximal inhibitory concentration of 1.12 ng/mL. The developed method showed no evident cross-reactivities with other neonicotinoid insecticides except for thiacloprid (36.68%). The accuracy and precision of the developed QDs-ICS were further evaluated. Results showed that the average recoveries ranged from 78.38 to 126.97% in agricultural samples. Moreover, to test blind tea samples, the QDs-ICS showed comparable reliability and a high correlation with ultra-performance liquid chromatography-tandem mass spectrometry. The whole sample detection could be accomplished within 1 h. In brief, our data clearly manifested that QDs-ICS was quite qualified for the rapid and sensitive screening of acetamiprid residues in an agricultural product analysis and paves the way to point-of-care testing for other analytes.
Collapse
Affiliation(s)
- Ying Liu
- Zhejiang Key Laboratory for Agro-Food Processing, Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China.,Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Ying Zhao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Tianyi Zhang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Yunyun Chang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Shuangjie Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Rubing Zou
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Guonian Zhu
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| | - Lirong Shen
- Zhejiang Key Laboratory for Agro-Food Processing, Department of Food Science and Nutrition, Zhejiang University, Hangzhou, China
| | - Yirong Guo
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
| |
Collapse
|
15
|
Tominaga K, Arimoto S, Shimono K, Yoshioka T, Mizutani F, Yasukawa T. Quantitative and Single-step Enzyme Immunosensing Based on an Electrochemical Detection Coupled with Lateral-flow System. ANAL SCI 2018; 33:531-536. [PMID: 28392533 DOI: 10.2116/analsci.33.531] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A single-step electrochemical immunochromatography has been developed: the device was based on two pieces of nitrocellulose membrane, a sample pad with anti-mouse IgG antibody labeled with glucose oxidase (GOx-labeled antibody), a conjugate pad with glucose, and a Pt working electrode. Either antibody or antigen was immobilized on the membrane. The addition of a solution containing mouse IgG, a model target, allows for the dissolution of GOx-labeled antibody in the sample pad to form an immunocomplex. The produced immunocomplex was automatically separated by capturing to the antibody immobilized on the membrane with the sandwich structure or by passing through the membrane modified with an antigen for the competitive reaction. The separated GOx label arrived at the conjugate pad with glucose to undergo the enzyme reaction. Hydrogen peroxide generated by this reaction was detected at the Pt electrode prepared on the second nitrocellulose membrane downstream from the conjugate pad. The results demonstrated that the designed immunochromatography can be applied to quantitative detection with a single-step procedure, because both the GOx-labeled antibody for revealing the immunoreactions and the substrate for the enzyme reaction were prepared in the device. Moreover, the initial concentration of the GOx-labeled antibody permitted control of the detectable concentration for mouse IgG.
Collapse
Affiliation(s)
- Kohei Tominaga
- Graduate School of Material Science, University of Hyogo
| | | | | | | | | | | |
Collapse
|
16
|
Fayemi OE, Adekunle AS, Kumara Swamy B, Ebenso EE. Electrochemical sensor for the detection of dopamine in real samples using polyaniline/NiO, ZnO, and Fe3O4 nanocomposites on glassy carbon electrode. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.02.027] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
17
|
Huang J, Xie Z, Xie L, Xie Z, Luo S, Deng X, Huang L, Zeng T, Zhang Y, Wang S, Zhang M. Au/Fe 3O 4 core-shell nanoparticles are an efficient immunochromatography test strip performance enhancer-a comparative study with Au and Fe 3O 4 nanoparticles. RSC Adv 2018; 8:14064-14071. [PMID: 35539327 PMCID: PMC9079878 DOI: 10.1039/c8ra00185e] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 04/04/2018] [Indexed: 11/24/2022] Open
Abstract
Immunochromatography test strips that use metal particles constructed from Au, Fe3O4, and Au/Fe3O4 nanoparticles were developed for the rapid detection of avian influenza virus subtype H7 (AIV H7). The principle of this immunochromatography test strip was based on a sandwich immunoreaction in which AIV H7 antigens bind specifically to their corresponding antibodies on a nitrocellulose membrane. An antibody-metal (Au, Fe3O4 or Au/Fe3O4) nanoparticle conjugate was used as a label and coated onto a glass fiber membrane, which was used as a conjugate pad. To create a test and a control zone, an anti-H7 polyclonal antibody and an anti-IgG antibody were immobilized onto the nitrocellulose membrane, respectively. Positive samples displayed brown/red lines in the test and control zones of the nitrocellulose membrane, whereas negative samples resulted in a brown/red line only in the control zone. The limit of detection (LOD) of the Au/Fe3O4 nanoparticle-based immunochromatography test strips was found to be 103.5 EID50 (EID50: 50% Egg Infective Dose), which could be visually detected by the naked eye within 15 min. In addition, 200 clinical samples were tested using the Au/Fe3O4 nanoparticle-based immunochromatography test strip to estimate its performance, and seven were positive for AIV H7. In summary, the Au/Fe3O4 nanoparticle-based immunochromatography test strip offers a simple and cost-effective tool for the rapid detection of AIV H7.
Collapse
Affiliation(s)
- Jiaoling Huang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Zhixun Xie
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Liji Xie
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Zhiqin Xie
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Sisi Luo
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Xianwen Deng
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Li Huang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Tingting Zeng
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Yanfang Zhang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Sheng Wang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| | - Minxiu Zhang
- Guangxi Key Laboratory of Veterinary Biotechnology, Guangxi Veterinary Research Institute 51 You Ai North Road Nanning 530001 Guangxi China
| |
Collapse
|
18
|
Timchalk C, Weber TJ, Smith JN. The need for non- or minimally-invasive biomonitoring strategies and the development of pharmacokinetic/pharmacodynamic models for quantification. CURRENT OPINION IN TOXICOLOGY 2017; 4:28-34. [PMID: 35978611 PMCID: PMC9380408 DOI: 10.1016/j.cotox.2017.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Advancements in Exposure Science involving the development and deployment of biomarkers of exposure and biological response are anticipated to significantly (and positively) influence health outcomes associated with occupational, environmental and clinical exposure to chemicals/drugs. To achieve this vision, innovative strategies are needed to develop multiplex sensor platforms capable of quantifying individual and mixed exposures (i.e. systemic dose) by measuring biomarkers of dose and biological response in readily obtainable (non-invasive) biofluids. Secondly, the use of saliva (alternative to blood) for biomonitoring coupled with the ability to rapidly analyze multiple samples in real-time offers an innovative opportunity to revolutionize biomonitoring assessments. In this regard, the timing and number of samples taken for biomonitoring will not be limited as is currently the case. In addition, real-time analysis will facilitate identification of work practices or conditions that are contributing to increased exposures and will make possible a more rapid and successful intervention strategy. The initial development and application of computational models for evaluation of saliva/blood analyte concentration at anticipated exposure levels represents an important opportunity to establish the limits of quantification and robustness of multiplex sensor systems by exploiting a unique computational modeling framework. The use of these pharmacokinetic models will also enable prediction of an exposure dose based on the saliva/blood measurement. This novel strategy will result in a more accurate prediction of exposures and, once validated, can be employed to assess dosimetry to a broad range of chemicals in support of biomonitoring and epidemiology studies.
Collapse
Affiliation(s)
| | - Thomas J Weber
- Pacific Northwest National Laboratory, Richland, WA 99354, USA
| | - Jordan N Smith
- Pacific Northwest National Laboratory, Richland, WA 99354, USA
| |
Collapse
|
19
|
You Q, Liu M, Liu Y, Zheng H, Hu Z, Zhou Y, Wang B. Lanthanide-Labeled Immunochromatographic Strip Assay for the On-Site Identification of Ancient Silk. ACS Sens 2017; 2:569-575. [PMID: 28723195 DOI: 10.1021/acssensors.7b00086] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The on-site identification of ancient silks has long been a key challenge in archeology. Therefore, a rapid, cost-effective, sensitive analytical approach is highly desirable. In this paper, a lanthanide-labeled immunochromatographic strip which is suitable for the on-site identification of ancient silks is described. Compared with the conventional colloidal gold-based immunochromatographic strip, this strip shows much higher analytical sensitivity and better quantitative discrimination. The limit of detection (LOD) of the strip for silk fibroin (SF) was calculated as 8.09 ng/mL, approximately 185 times lower than that of the colloidal gold-based immunochromatographic strip. No cross-reactions with other possible interfering antigens were observed. Moreover, the strip also shows good reproducibility, with a mean recovery of 94.15-102.55% and coefficient of variation of 5.22-17.57% in the repeated tests. Based on the advantages of portability and cost-effectiveness, as well as sensitivity, specificity, and reproducibility, the lanthanide-labeled immunochromatographic strip is a promising tool for on-site detection of ancient relics in archeological fieldwork.
Collapse
Affiliation(s)
| | | | | | - Hailing Zheng
- Key
Scientific Research Base of Textile Conservation, State Administration
for Cultural Heritage, China National Silk Museum, Hangzhou 310002, China
| | | | - Yang Zhou
- Key
Scientific Research Base of Textile Conservation, State Administration
for Cultural Heritage, China National Silk Museum, Hangzhou 310002, China
| | | |
Collapse
|
20
|
Rapid and Sensitive Lateral Flow Immunoassay Method for Procalcitonin (PCT) Based on Time-Resolved Immunochromatography. SENSORS 2017; 17:s17030480. [PMID: 28264502 PMCID: PMC5375766 DOI: 10.3390/s17030480] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 02/24/2017] [Accepted: 02/24/2017] [Indexed: 01/09/2023]
Abstract
Procalcitonin (PCT) is a current, frequently-used marker for severe bacterial infection. The aim of this study was to develop a cost-effective detection kit for rapid quantitative and on-site detection of PCT. To develop the new PCT quantitative detecting kit, a double-antibody sandwich immunofluorescent assay was employed based on time-resolved immunofluorescent assay (TRFIA) combined with lateral flow immunoassay (LFIA). The performance of the new developed kit was evaluated in the aspects of linearity, precision, accuracy, and specificity. Two-hundred thirty-four serum samples were enrolled to carry out the comparison test. The new PCT quantitative detecting kit exhibited a higher sensitivity (0.08 ng/mL). The inter-assay coefficient of variation (CV) and the intra-assay CV were 5.4%–7.7% and 5.7%–13.4%, respectively. The recovery rates ranged from 93% to 105%. Furthermore, a high correlation (n = 234, r = 0.977, p < 0.0001) and consistency (Kappa = 0.875) were obtained when compared with the PCT kit from Roche Elecsys BRAHMS. Thus, the new quantitative method for detecting PCT has been successfully established. The results indicated that the newly-developed system based on TRFIA combined with LFIA was suitable for rapid and on-site detection for PCT, which might be a useful platform for other biomarkers in point-of-care tests.
Collapse
|
21
|
Zhang W, Guo Z, Chen Y, Cao Y. Nanomaterial Based Biosensors for Detection of Biomarkers of Exposure to OP Pesticides and Nerve Agents: A Review. ELECTROANAL 2017. [DOI: 10.1002/elan.201600748] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Weiying Zhang
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Institute for Interdisciplinary Research; Jianghan University; Wuhan 430056 PR China
| | - Zhenzhong Guo
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Medical college; Wuhan University of Science and Technology; Wuhan 430065 P.R.China
| | - Yong Chen
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Institute for Interdisciplinary Research; Jianghan University; Wuhan 430056 PR China
- Ecole Normale Supérieure, CNRS-ENS-UPMC UMR 8640; 24 Rue Lhomond Paris 75005 France
| | - Yiping Cao
- Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education, Institute for Interdisciplinary Research; Jianghan University; Wuhan 430056 PR China
| |
Collapse
|
22
|
Qiao Y, Shang J, Li S, Feng L, Jiang Y, Duan Z, Lv X, Zhang C, Yao T, Dong Z, Zhang Y, Wang H. Fluorimetric Mercury Test Strips with Suppressed "Coffee Stains" by a Bio-inspired Fabrication Strategy. Sci Rep 2016; 6:36494. [PMID: 27812040 PMCID: PMC5095603 DOI: 10.1038/srep36494] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 10/17/2016] [Indexed: 12/28/2022] Open
Abstract
A fluorimetric Hg2+ test strip has been developed using a lotus-inspired fabrication method for suppressing the “coffee stains” toward the uniform distribution of probe materials through creating a hydrophobic drying pattern for fast solvent evaporation. The test strips were first loaded with the model probes of fluorescent gold-silver nanoclusters and then dried in vacuum on the hydrophobic pattern. On the one hand, here, the hydrophobic constraining forces from the lotus surface-like pattern could control the exterior transport of dispersed nanoclusters on strips leading to the minimized “coffee stains”. On the other hand, the vacuum-aided fast solvent evaporation could boost the interior Marangoni flow of probe materials on strips to expect the further improved probe distribution on strips. High aqueous stability and enhanced fluorescence of probes on test strips were realized by the hydrophilic treatment with amine-derivatized silicane. A test strips-based fluorimetry has thereby been developed for probing Hg2+ ions in wastewater, showing the detection performances comparable to the classic instrumental analysis ones. Such a facile and efficient fabrication route for the bio-inspired suppression of “coffee stains” on test strips may expand the scope of applications of test strips-based “point-of-care” analysis methods or detection devices in the biomedical and environmental fields.
Collapse
Affiliation(s)
- Yuchun Qiao
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Jizhen Shang
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Shuying Li
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Luping Feng
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Yao Jiang
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Zhiqiang Duan
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Xiaoxia Lv
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Chunxian Zhang
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Tiantian Yao
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Zhichao Dong
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Yu Zhang
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| | - Hua Wang
- Shandong Province Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165, P. R. China
| |
Collapse
|
23
|
Shu Q, Wang L, Ouyang H, Wang W, Liu F, Fu Z. Multiplexed immunochromatographic test strip for time-resolved chemiluminescent detection of pesticide residues using a bifunctional antibody. Biosens Bioelectron 2016; 87:908-914. [PMID: 27664410 DOI: 10.1016/j.bios.2016.09.057] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 09/07/2016] [Accepted: 09/16/2016] [Indexed: 12/28/2022]
Abstract
A novel bifunctional antibody (BfAb) that could recognize methyl parathion and imidacloprid simultaneously was prepared by a hybrid hybridomas technique. Using the BfAb as the sole recognition reagent, a multiplexed immunochromatographic test strip based on a time-resolved chemiluminescence (CL) strategy was developed for quantitative detection of pesticide residues. Horseradish peroxidase (HRP) and alkaline phosphatase (ALP) were used as the CL probes to label the haptens of methyl parathion and imidacloprid, respectively. After the labeled haptens competed with methyl parathion and imidacloprid to bind with the BfAb immobilized on the test strip, the two CL reactions catalyzed by the enzymes were triggered simultaneously by coreactants injection. Due to the distinct CL kinetics characteristics of HRP and ALP, the signals for methyl parathion and imidacloprid detections were collected at 2.5s and 300s, respectively. The linear ranges for methyl parathion and imidacloprid were both 0.1-250ngmL-1, with detection limits of 0.058ngmL-1 (S/N=3). The whole assay process could be accomplished within 22min. The detection results for spiked traditional Chinese medicine samples demonstrated its application potential. The proposed method provided a low-cost, facile and rapid tool for multiplexed screening of pesticide residues using single antibody.
Collapse
Affiliation(s)
- Qi Shu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Limin Wang
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China
| | - Hui Ouyang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Wenwen Wang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Fengquan Liu
- College of Plant Protection, Nanjing Agricultural University, Nanjing 210095, China; Institute of Plant Protection, Jiangsu Academy of Agricultural Science, Nanjing 210014, China.
| | - Zhifeng Fu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China.
| |
Collapse
|
24
|
Electrochemiluminescence biosensor for determination of organophosphorous pesticides based on bimetallic Pt-Au/multi-walled carbon nanotubes modified electrode. Talanta 2016; 158:142-151. [DOI: 10.1016/j.talanta.2016.05.030] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 05/10/2016] [Accepted: 05/11/2016] [Indexed: 01/31/2023]
|
25
|
Wang Y, Wang L, Wang S, Yang M, Cai J, Liu F. ‘Green’ immunochromatographic electrochemical biosensor for mercury(II). Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1866-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
26
|
Zhang X, Chu Y, Yang H, Zhao K, Li J, Du H, She P, Deng A. Ultrasensitive and Specific Detection of Salbutamol in Swine Feed, Meat, and Urine Samples by a Competitive Immunochromatographic Test Integrated with Surface-Enhanced Raman Scattering. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0533-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
27
|
|
28
|
Development of a lateral flow immunochromatographic assay for rapid detection of Mycoplasma pneumoniae-specific IgM in human serum specimens. J Microbiol Methods 2016; 124:35-40. [DOI: 10.1016/j.mimet.2016.03.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Revised: 03/11/2016] [Accepted: 03/11/2016] [Indexed: 11/20/2022]
|
29
|
A competitive immunoassay for ultrasensitive detection of Hg 2+ in water, human serum and urine samples using immunochromatographic test based on surface-enhanced Raman scattering. Anal Chim Acta 2016; 906:139-147. [DOI: 10.1016/j.aca.2015.12.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/07/2015] [Accepted: 12/12/2015] [Indexed: 12/29/2022]
|
30
|
Gilani RA, Rafique M, Rehman A, Munis MFH, Rehman SU, Chaudhary HJ. Biodegradation of chlorpyrifos by bacterial genusPseudomonas. J Basic Microbiol 2015; 56:105-19. [DOI: 10.1002/jobm.201500336] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 10/25/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Razia Alam Gilani
- Department of Plant Sciences, Faculty of Biological Sciences; Quaid-i-Azam University; Islamabad Pakistan
| | - Mazhar Rafique
- Department of Plant Sciences, Faculty of Biological Sciences; Quaid-i-Azam University; Islamabad Pakistan
| | - Abdul Rehman
- Department of Microbiology and Molecular Genetics; Punjab University; Lahore Pakistan
| | | | - Shafiq ur Rehman
- College of Earth and Environmental Sciences; Punjab University; Lahore Pakistan
| | - Hassan Javed Chaudhary
- Department of Plant Sciences, Faculty of Biological Sciences; Quaid-i-Azam University; Islamabad Pakistan
| |
Collapse
|
31
|
Sajid M, Kawde AN, Daud M. Designs, formats and applications of lateral flow assay: A literature review. JOURNAL OF SAUDI CHEMICAL SOCIETY 2015. [DOI: 10.1016/j.jscs.2014.09.001] [Citation(s) in RCA: 444] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
|
32
|
Quesada-González D, Merkoçi A. Nanoparticle-based lateral flow biosensors. Biosens Bioelectron 2015; 73:47-63. [DOI: 10.1016/j.bios.2015.05.050] [Citation(s) in RCA: 316] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 05/15/2015] [Accepted: 05/22/2015] [Indexed: 12/14/2022]
|
33
|
Whangsuk W, Thiengmag S, Dubbs J, Mongkolsuk S, Loprasert S. Specific detection of the pesticide chlorpyrifos by a sensitive genetic-based whole cell biosensor. Anal Biochem 2015; 493:11-3. [PMID: 26452613 DOI: 10.1016/j.ab.2015.09.022] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Revised: 09/25/2015] [Accepted: 09/26/2015] [Indexed: 10/22/2022]
Abstract
The Sinorhizobium meliloti chpA promoter is highly induced in the presence of the pesticide chlorpyrifos (CPF) through the action of the transcriptional activator, ChpR. A whole-cell biosensor for the detection of CPF was developed and is composed of an Escherichia coli strain carrying a chpR expression vector and a chpA promoter-atsBA transcriptional fusion plasmid encoding sulfatase (atsA) and formylglycine generating enzyme (atsB) from Klebsiella sp. The sulfatase is posttranslationally activated by formylglycine generating enzyme (FGE) and then converts 4-methylumbelliferyl sulfate (4-MUS) to the fluorescent product, 4-methyllumbelliferone (4-MU). This biosensor system exhibited a linear response range from 25 to 500 nM CPF.
Collapse
Affiliation(s)
- Wirongrong Whangsuk
- Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok 10210, Thailand
| | - Sirinthra Thiengmag
- Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - James Dubbs
- Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok 10210, Thailand; Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand
| | - Skorn Mongkolsuk
- Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok 10210, Thailand; Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand; Center of Excellence on Environmental Health and Toxicology, Ministry of Education, Bangkok 10400, Thailand
| | - Suvit Loprasert
- Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok 10210, Thailand; Applied Biological Sciences Program, Chulabhorn Graduate Institute, Bangkok 10210, Thailand; Center of Excellence on Environmental Health and Toxicology, Ministry of Education, Bangkok 10400, Thailand.
| |
Collapse
|
34
|
Eltzov E, Guttel S, Low Yuen Kei A, Sinawang PD, Ionescu RE, Marks RS. Lateral Flow Immunoassays - from Paper Strip to Smartphone Technology. ELECTROANAL 2015. [DOI: 10.1002/elan.201500237] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
35
|
Liang RL, Xu XP, Liu TC, Zhou JW, Wang XG, Ren ZQ, Hao F, Wu YS. Rapid and sensitive lateral flow immunoassay method for determining alpha fetoprotein in serum using europium (III) chelate microparticles-based lateral flow test strips. Anal Chim Acta 2015; 891:277-83. [PMID: 26388387 DOI: 10.1016/j.aca.2015.07.053] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 07/28/2015] [Accepted: 07/31/2015] [Indexed: 10/23/2022]
Abstract
Alpha-fetoprotein (AFP), a primary marker for many diseases including various cancers, is important in clinical tumor diagnosis and antenatal screening. Most immunoassays provide high sensitivity and accuracy for determining AFP, but they are expensive, often complex, time-consuming procedures. A simple and rapid point-of-care system that integrates Eu (III) chelate microparticles with lateral flow immunoassay (LFIA) has been developed to determine AFP in serum with an assay time of 15 min. The approach is based on a sandwich immunoassay performed on lateral flow test strips. A fluorescence strip reader was used to measure the fluorescence peak heights of the test line (HT) and the control line (HC); the HT/HC ratio was used for quantitation. The Eu (III) chelate microparticles-based LFIA assay exhibited a wide linear range (1.0-1000 IU mL(-1)) for AFP with a low limit of detection (0.1 IU mL(-1)) based on 5ul of serum. Satisfactory specificity and accuracy were demonstrated and the intra- and inter-assay coefficients of variation (CV) for AFP were both <10%. Furthermore, in the analysis of human serum samples, excellent correlation (n = 284, r = 0.9860, p < 0.0001) was obtained between the proposed method and a commercially available CLIA kit. Results indicated that the Eu (III) chelate microparticles-based LFIA system provided a rapid, sensitive and reliable method for determining AFP in serum, indicating that it would be suitable for development in point-of-care testing.
Collapse
Affiliation(s)
- Rong-Liang Liang
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Xu-Ping Xu
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Tian-Cai Liu
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Jian-Wei Zhou
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Xian-Guo Wang
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Zhi-Qi Ren
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China
| | - Fen Hao
- DaAn Gene Co. Ltd. of Sun Yat-sen University, 19 Xiangshan Road, Guangzhou 510515, PR China
| | - Ying-Song Wu
- Institute of Antibody Engineering, School of Biotechnology, Southern Medical University, Guangzhou 510515, Guangdong, PR China.
| |
Collapse
|
36
|
Ternary DNA chip based on a novel thymine spacer group chemistry. Colloids Surf B Biointerfaces 2015; 125:270-6. [DOI: 10.1016/j.colsurfb.2014.10.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 10/24/2014] [Accepted: 10/30/2014] [Indexed: 11/24/2022]
|
37
|
Three-dimensional mono-6-thio-β-cyclodextrin covalently functionalized gold nanoparticle/single-wall carbon nanotube hybrids for highly sensitive and selective electrochemical determination of methyl parathion. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2014.11.144] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
38
|
An enzyme-linked chemiluminescent immunoassay developed for detection of Butocarboxim from agricultural products based on monoclonal antibody. Food Chem 2015; 166:372-379. [DOI: 10.1016/j.foodchem.2014.06.060] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Revised: 05/06/2014] [Accepted: 06/10/2014] [Indexed: 10/25/2022]
|
39
|
YASUKAWA T, KIBA Y, MIZUTANI F. A Dual Electrochemical Sensor Based on a Test-strip Assay for the Quantitative Determination of Albumin and Creatinine. ANAL SCI 2015; 31:583-9. [DOI: 10.2116/analsci.31.583] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
40
|
Shakoori Z, Salimian S, Kharrazi S, Adabi M, Saber R. Electrochemical DNA biosensor based on gold nanorods for detecting hepatitis B virus. Anal Bioanal Chem 2014; 407:455-61. [DOI: 10.1007/s00216-014-8303-9] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2014] [Revised: 10/19/2014] [Accepted: 10/28/2014] [Indexed: 12/19/2022]
|
41
|
Quantitative Determination of Butocarboxim in Agricultural Products Based on Biotinylated Monoclonal Antibody. FOOD ANAL METHOD 2014. [DOI: 10.1007/s12161-014-0012-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
|
42
|
An electrochemical immunosensor based on interdigitated array microelectrode for the detection of chlorpyrifos. Bioprocess Biosyst Eng 2014; 38:307-13. [DOI: 10.1007/s00449-014-1269-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 08/05/2014] [Indexed: 11/26/2022]
|
43
|
Gao H, Han J, Yang S, Wang Z, Wang L, Fu Z. Highly sensitive multianalyte immunochromatographic test strip for rapid chemiluminescent detection of ractopamine and salbutamol. Anal Chim Acta 2014; 839:91-6. [DOI: 10.1016/j.aca.2014.05.024] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Revised: 05/12/2014] [Accepted: 05/16/2014] [Indexed: 11/27/2022]
|
44
|
Liu B, Du D, Hua X, Yu XY, Lin Y. Paper-Based Electrochemical Biosensors: From Test Strips to Paper-Based Microfluidics. ELECTROANAL 2014. [DOI: 10.1002/elan.201400036] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
45
|
Zhang W, Asiri AM, Liu D, Du D, Lin Y. Nanomaterial-based biosensors for environmental and biological monitoring of organophosphorus pesticides and nerve agents. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2013.10.007] [Citation(s) in RCA: 209] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|
46
|
Ge X, Zhang W, Lin Y, Du D. Magnetic Fe3O4@TiO2 nanoparticles-based test strip immunosensing device for rapid detection of phosphorylated butyrylcholinesterase. Biosens Bioelectron 2013; 50:486-91. [DOI: 10.1016/j.bios.2013.07.017] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 06/28/2013] [Accepted: 07/09/2013] [Indexed: 11/28/2022]
|
47
|
Fu Q, Tang Y, Shi C, Zhang X, Xiang J, Liu X. A novel fluorescence-quenching immunochromatographic sensor for detection of the heavy metal chromium. Biosens Bioelectron 2013; 49:399-402. [DOI: 10.1016/j.bios.2013.04.048] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2012] [Revised: 04/21/2013] [Accepted: 04/23/2013] [Indexed: 10/26/2022]
|
48
|
Zhang W, Tang Y, Du D, Smith J, Timchalk C, Liu D, Lin Y. Direct analysis of trichloropyridinol in human saliva using an Au nanoparticles-based immunochromatographic test strip for biomonitoring of exposure to chlorpyrifos. Talanta 2013; 114:261-7. [DOI: 10.1016/j.talanta.2013.06.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 05/31/2013] [Accepted: 06/10/2013] [Indexed: 11/25/2022]
|
49
|
Suárez-Pantaleón C, Wichers J, Abad-Somovilla A, van Amerongen A, Abad-Fuentes A. Development of an immunochromatographic assay based on carbon nanoparticles for the determination of the phytoregulator forchlorfenuron. Biosens Bioelectron 2012. [PMID: 23202348 DOI: 10.1016/j.bios.2012.11.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Rapid analytical methods enabling the determination of diverse targets are essential in a number of research areas, from clinical diagnostics to feed and food quality and safety. Herein, the development of a quantitative immunochromatographic assay for the detection of the synthetic phytoregulator forchlorfenuron (CPPU) is described. The competitive lateral flow immunoassay (LFIA) was based on the immobilization onto a nitrocellulose membrane of an ovalbumin-CPPU conjugate (test line) and on the use of an immunodetection ligand consisting of carbon nanoparticles labeled with an anti-CPPU monoclonal antibody through interaction with a secondary antibody. The presence of CPPU in horticultural samples was visually interpreted by the decrease in the black signal intensity of the test line, according to the competitive character of the format. The quantitative determination of the analyte was easily performed by a two-step procedure consisting of flatbed scanning of the strips followed by computer-based image analysis of the pixel gray volumes of the test lines. Under optimized conditions, the immunochromatographic test afforded a limit of quantification in buffer of 89 ng/L. The accuracy of the strip test was assessed by the analysis of fruit samples with incurred residues, and the obtained results were compared with those derived from two reference methods, ELISA and HPLC. The LOQ of the CPPU-specific LFIA in kiwifruits and grapes was established at 33.4 μg/kg. The excellent analytical performance of the developed strip test demonstrates the potential of immunochromatographic assays for the quantitative monitoring of small organic molecules in complex matrices.
Collapse
Affiliation(s)
- Celia Suárez-Pantaleón
- Department of Biotechnology, IATA-CSIC, Agustí Escardino 7, 46980 Paterna, València, Spain
| | | | | | | | | |
Collapse
|
50
|
Kiba Y, Otani Y, Yasukawa T, Mizutani F. Electrochemical detection of redox species flowing in a nitrocellulose membrane and application to quantitative immunochromatography. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.07.074] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
|