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Miglione A, Di Nardo F, Cavalera S, Serra T, Baggiani C, Cinti S, Anfossi L. Merging Lateral Flow Immunoassay with Electroanalysis as a Novel Sensing Platform: Prostate Specific Antigen Detection as Case of Study. Anal Chem 2024; 96:2297-2302. [PMID: 38289028 DOI: 10.1021/acs.analchem.3c04078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
The COVID-19 pandemic highlighted lateral flow immunoassay (LFIA) strips as the most known point-of-care (POC) devices enabling rapid and easy detection of relevant biomarkers by nonspecialists. However, these diagnostic tests are usually associated with the qualitative detection of the biomarker of interest. Alternatively, electrochemical-based diagnostics, especially known for diabetes care, enable quantitative determination of biomarkers. From an analytical point perspective, the combination of the two approaches might represent a step forward for the POC world: in fact, electrochemical transduction is attractive to be integrated into LFIA strips due to its simplicity, high sensitivity, fast signal generation, and cost effectiveness. In this work, a LFIA strip has been combined with an electrochemical transduction, yielding an electrochemical LFIA (eLFIA). As a proof-of-concept method, the detection of prostate-specific antigen has been carried out by combining a printed-electrochemical strip with the traditional LFIA tests. The electrochemical detection has been based on the measurement of Au ions produced from the dissolution of the gold nanoparticles previously captured on the test line. The analytical performances obtained at LFIA and eLFIA were compared, highlighting how the use of differential pulse voltammetry allowed for a lower detection limit (2.5-fold), respectively, 0.38 and 0.15 ng/mL, but increasing the time of analysis. Although the correlation between the two architectures confirmed the satisfactory agreement of outputs, this technical note has been thought to provide the reader a fair statement with regard to the strength and drawbacks about combining the two (apparently) competitor devices in a diagnostics field, namely, LFIA and electrochemical strips.
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Affiliation(s)
- Antonella Miglione
- Department of Pharmacy, University of Naples "Federico II", Via Domenico Montesano 49, 80131 Naples, Italy
| | - Fabio Di Nardo
- Department of Chemistry, Università degli Studi di Torino, 10124 Turin, Italy
| | - Simone Cavalera
- Department of Chemistry, Università degli Studi di Torino, 10124 Turin, Italy
| | - Thea Serra
- Department of Chemistry, Università degli Studi di Torino, 10124 Turin, Italy
| | - Claudio Baggiani
- Department of Chemistry, Università degli Studi di Torino, 10124 Turin, Italy
| | - Stefano Cinti
- Department of Pharmacy, University of Naples "Federico II", Via Domenico Montesano 49, 80131 Naples, Italy
| | - Laura Anfossi
- Department of Chemistry, Università degli Studi di Torino, 10124 Turin, Italy
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Tian R, Ren Y, Wang T, Cao J, Li J, Deng A. A SERS-based lateral flow immunochromatographic assay using Raman reporter mediated-gap AuNR@Au nanoparticles as the substrate for the detection of enrofloxacin in food samples. Anal Chim Acta 2023; 1257:341152. [PMID: 37062566 DOI: 10.1016/j.aca.2023.341152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/19/2023] [Accepted: 03/27/2023] [Indexed: 04/01/2023]
Abstract
A lateral flow immunochromatographic assay (LFIA) based on surface-enhanced Raman scattering (SERS) for sensitive and specific detection of antibiotic enrofloxacin (ENR) in food samples was developed. 1,4-benzenedithiol (BDT) was selected as the Raman reporter, and the BDT mediated-gap AuNR@Au nanoparticles (NPs) were synthesized, characterized and used as the substrate in SERS-LFIA due to the existence of the anisotropic gold nanorods (AuNRs) and the nano-gap with the high SERS enhancement. AuNRs were prepared, then covered by monolayer BDT. Under reduction condition and in presence of HAuCl4, the reduced gold was deposited and grown on AuNRs to form AuNRBDT@Au NPs. As the two thiol groups on para-positions in BDT were respectively linked to AuNR (core) and Au (shell), the gap size inside the NPs was uniform. The immunoprobe (e.g. AuNRBDT@Au-Ab) was obtained by immobilizing Ab against ENR on the surface of AuNRBDT@Au NPs. The performance of SERS-LFIA was similar to that in colloidal gold based-LFIA, and the entire assay time was within 15 min. After LFIA procedures, the specific SERS intensity of BDT at 1560 cm-1 on the test line was measured for the quantitative detection of ENR. The IC50 and limit of detection (LOD) of the LFIA for ENR were 59 pg mL-1 and 0.12 pg mL-1 (e.g. 71 pg g-1 and 0.14 pg g-1 in real sample), respectively. There was no cross-reactivity (CR) of the LFIA with other five antibiotics. The recoveries of ENR from spiked food samples were in range of 89.2%-102.4% with the relative standard deviation (RSD) of 1.70%-6.38%. It was proven that the proposed method was able to simply and rapidly detect ENR in food samples with high sensitivity, specificity, accuracy and precision. The platform can be also an alternative platform for the detection of other target analytes using corresponding Abs.
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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.
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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
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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.
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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
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Rong X, Ailing F, Xiaodong L, Jie H, Min L. Monitoring hepatitis B by using point-of-care testing: biomarkers, current technologies, and perspectives. Expert Rev Mol Diagn 2021; 21:195-211. [PMID: 33467927 DOI: 10.1080/14737159.2021.1876565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: Liver diseases caused by hepatitis B virus (HBV) are pandemic infectious diseases that seriously endanger human health, conventional diagnosis methods can not meet the requirements in resource-limited areas. The point of acre detection methods can easily resolve those problems. Herein, we review the most recent advances in POC-based hepatitis B detection methods and present some recommendations for future development. It aims to provide ideas for future research.Areas covered: Epidemiological data on Hepatitis B, conventional diagnostic methods for hepatitis B detection, some latest point of care detection methods for hepatitis B detection and list out the recommendations for future development.Expert opinion: This manuscript summarized traditional biomarkers of different hepatitis B stages and recent-developed POCT platforms (including microfluidic platforms and lateral-flow strips) and discuss the challenges associated with their use. Some emerging biomarkers that can be used in hepatitis B diagnosis are also listed. This manuscript has certain guiding significance to the development of hepatitis B detection.
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Affiliation(s)
- Xu Rong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Feng Ailing
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Li Xiaodong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Hu Jie
- Suzhou DiYinAn Biotech Co., Ltd. & Suzhou Innovation Center for Life Science and Technology, Suzhou, China
| | - Lin Min
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
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Shen L, Zhang G, Etzold BJM. Paper-Based Microfluidics for Electrochemical Applications. ChemElectroChem 2020; 7:10-30. [PMID: 32025468 PMCID: PMC6988477 DOI: 10.1002/celc.201901495] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 10/31/2019] [Indexed: 12/16/2022]
Abstract
Paper-based microfluidics is characteristic of fluid transportation through spontaneous capillary action of paper and has exhibited great promise for a variety of applications especially for sensing. Furthermore, paper-based microfluidics enables the design of miniaturized electrochemical devices to be applied in the energy sector, which is especially attractive for the rapid growing market of small size disposable electronics. This review gives a brief summary on the basics of paper chemistry and capillary-driven microfluidic behavior, and highlights recent advances of paper-based microfluidics in developing electrochemical sensing devices and miniaturized energy storage/conversion devices. Their structural features, working principles and exemplary applications are comprehensively elaborated and discussed. Additionally, this review also points out the existing challenges and future opportunities of paper-based microfluidic electronics.
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Affiliation(s)
- Liu‐Liu Shen
- Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Department of ChemistryTechnische Universität DarmstadtAlarich-Weiss-Straße 864287DarmstadtGermany
| | - Gui‐Rong Zhang
- Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Department of ChemistryTechnische Universität DarmstadtAlarich-Weiss-Straße 864287DarmstadtGermany
| | - Bastian J. M. Etzold
- Ernst-Berl-Institut für Technische und Makromolekulare Chemie, Department of ChemistryTechnische Universität DarmstadtAlarich-Weiss-Straße 864287DarmstadtGermany
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Huang Z, Hu S, Xiong Y, Wei H, Xu H, Duan H, Lai W. Application and development of superparamagnetic nanoparticles in sample pretreatment and immunochromatographic assay. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.03.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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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.
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Affiliation(s)
- Kohei Tominaga
- Graduate School of Material Science, University of Hyogo
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Development of an automated wax-printed paper-based lateral flow device for alpha-fetoprotein enzyme-linked immunosorbent assay. Biosens Bioelectron 2018; 102:27-32. [DOI: 10.1016/j.bios.2017.10.051] [Citation(s) in RCA: 109] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Revised: 10/30/2017] [Accepted: 10/31/2017] [Indexed: 12/28/2022]
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Rodríguez MO, Covián LB, García AC, Blanco-López MC. Silver and gold enhancement methods for lateral flow immunoassays. Talanta 2015; 148:272-8. [PMID: 26653449 DOI: 10.1016/j.talanta.2015.10.068] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/12/2015] [Accepted: 10/24/2015] [Indexed: 10/22/2022]
Abstract
Sensitivity is the main concern at the development of rapid test by lateral flow immunoassays. On the other hand, low limits of detection are often required at medical diagnostics and other field of analysis. To overcome this drawback, several enhancement protocols have been described. In this paper, we have selected different silver enhancement methods and one dual gold conjugation, and we critically compared the amplification produced when applied to a gold-nanoparticle based lateral flow immunoassay for the detection of prostate specific antigen (PSA). The highest amplification was obtained by using an immersion method based on a solution of silver nitrate and hydroquinone/citrate buffer in proportion 1:1. Under these conditions, the system is capable of detecting PSA within 20 min at levels as low as 0.1 ng/mL, with a 3-fold sensitivity improvement.
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Affiliation(s)
- Myriam Oliveira Rodríguez
- Departamento de Química Física y Analítica, Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
| | - Lucía Blanco Covián
- Departamento de Química Física y Analítica, Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
| | - Agustín Costa García
- Departamento de Química Física y Analítica, Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain
| | - Maria Carmen Blanco-López
- Departamento de Química Física y Analítica, Universidad de Oviedo, Julián Clavería 8, 33006 Oviedo, Spain.
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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]
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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]
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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]
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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]
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