1
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Calucho E, Álvarez-Diduk R, Piper A, Rossetti M, Nevanen TK, Merkoçi A. Reduced graphene oxide electrodes meet lateral flow assays: A promising path to advanced point-of-care diagnostics. Biosens Bioelectron 2024; 258:116315. [PMID: 38701536 DOI: 10.1016/j.bios.2024.116315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/11/2024] [Accepted: 04/17/2024] [Indexed: 05/05/2024]
Abstract
Research in electrochemical detection in lateral flow assays (LFAs) has gained significant momentum in recent years. The primary impetus for this surge in interest is the pursuit of achieving lower limits of detection, especially given that LFAs are the most widely employed point-of-care biosensors. Conventionally, the strategy for merging electrochemistry and LFAs has centered on the superposition of screen-printed electrodes onto nitrocellulose substrates during LFA fabrication. Nevertheless, this approach poses substantial limitations regarding scalability. In response, we have developed a novel method for the complete integration of reduced graphene oxide (rGO) electrodes into LFA strips. We employed a CO2 laser to concurrently reduce graphene oxide and pattern nitrocellulose, exposing its backing to create connection sites impervious to sample leakage. Subsequently, rGO and nitrocellulose were juxtaposed and introduced into a roll-to-roll system using a wax printer. The exerted pressure facilitated the transfer of rGO onto the nitrocellulose. We systematically evaluated several electrochemical strategies to harness the synergy between rGO and LFAs. While certain challenges persist, our rGO transfer technology presents compelling potential for setting a new standard in electrochemical LFA fabrication.
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Affiliation(s)
- Enric Calucho
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, 08193, Barcelona, Spain; Autonomous University of Barcelona (UAB), Bellaterra, Barcelona, Spain
| | - Ruslan Álvarez-Diduk
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, 08193, Barcelona, Spain.
| | - Andrew Piper
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - Marianna Rossetti
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - Tarja K Nevanen
- VTT Technical Research Centre of Finland Ltd., Tekniikantie 21, 02044, Espoo, Finland
| | - Arben Merkoçi
- Nanobioelectronics & Biosensors Group, Institut Català de Nanociència i Nanotecnologia (ICN2), CSIC and the Barcelona Institute of Science and Technology (BIST), Campus UAB, Bellaterra, 08193, Barcelona, Spain; ICREA Institució Catalana de Recerca i Estudis Avançats, Passeig de Lluís Companys, 23, 08010, Barcelona, Spain.
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2
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Gao F, Ye S, Huang L, Gu Z. A nanoparticle-assisted signal-enhancement technique for lateral flow immunoassays. J Mater Chem B 2024. [PMID: 38920348 DOI: 10.1039/d4tb00865k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Lateral flow immunoassay (LFIA), an affordable and rapid paper-based detection technology, is employed extensively in clinical diagnosis, environmental monitoring, and food safety analysis. The COVID-19 pandemic underscored the validity and adoption of LFIA in performing large-scale clinical and public health testing. The unprecedented demand for prompt diagnostic responses and advances in nanotechnology have fueled the rise of next-generation LFIA technologies. The utilization of nanoparticles to amplify signals represents an innovative approach aimed at augmenting LFIA sensitivity. This review probes the nanoparticle-assisted amplification strategies in LFIA applications to secure low detection limits and expedited response rates. Emphasis is placed on comprehending the correlation between the physicochemical properties of nanoparticles and LFIA performance. Lastly, we shed light on the challenges and opportunities in this prolific field.
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Affiliation(s)
- Fang Gao
- Institute of Energy Materials Science, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
| | - Shaonian Ye
- Institute of Energy Materials Science, University of Shanghai for Science and Technology, Shanghai 200093, P. R. China
| | - Lin Huang
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
| | - Zhengying Gu
- Department of Clinical Laboratory Medicine, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China.
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200030, China
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3
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Ying X, Fu W, Zhu L, Sun T, Qi M, Zhou L, Wang Y, Wang J, Su B, Zhang J. Electrochemical Lateral Flow Immunoassay with Built-In Electrodes for Ultrasensitive and Wireless Detection of Inflammatory Biomarkers. Anal Chem 2024. [PMID: 38912708 DOI: 10.1021/acs.analchem.4c01224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Paper-based lateral flow immunoassays (LFIAs) are cost-effective, portable, and simple methods for detection of diverse analytes, which however only provide qualitative or semiquantitative results and lack sufficient sensitivity. A combination of LFIA and electrochemical detection, namely, electrochemical lateral flow immunoassay (eLFIA), enables quantitative detection of analytes with high sensitivity, but the integration of external electrodes makes the system relatively expensive and unstable. Herein, the working, counter, and reference electrodes were prepared directly on the nitrocellulose membrane using screen printing, which remarkably simplified the structure of eLFIA and decreased the cost. Moreover, a horseradish peroxidase (HRP)-based electrochemical signal amplification strategy was used for further increasing the analytical sensitivity. HRP captured on the working electrode can catalyze the oxidation of tetramethylbenzidine (TMB) to form the TMB-TMBox precipitate on the electrode surface, which as an electrochemically active product can output an amplified current for quantification. We demonstrated that the eLFIA could detect low-abundant inflammatory biomarkers in human plasma samples with limits of detection of 0.17 and 0.54 pg mL-1 for interleukin-6 and C-reactive protein, respectively. Finally, a fully portable system was fabricated by integrating eLFIA with a flexible and wireless electrochemical workstation, realizing the point-of-care detection of interleukin-6.
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Affiliation(s)
- Xudong Ying
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Wenxuan Fu
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Lihang Zhu
- Department of Clinical Engineering, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310019, China
| | - Tao Sun
- Department of Laboratory Medicine, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou 310019, China
| | - Min Qi
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Lin Zhou
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yafeng Wang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
- Key Laboratory of Precision Medicine in Diagnosis and Monitoring Research of Zhejiang Province, Hangzhou 310016, China
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Bin Su
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Jun Zhang
- Department of Clinical Laboratory, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou 310016, China
- Key Laboratory of Precision Medicine in Diagnosis and Monitoring Research of Zhejiang Province, Hangzhou 310016, China
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4
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Gonzalez-Macia L, Li Y, Zhang K, Nunez-Bajo E, Barandun G, Cotur Y, Asfour T, Olenik S, Coatsworth P, Herrington J, Güder F. NFC-enabled potentiostat and nitrocellulose-based metal electrodes for electrochemical lateral flow assay. Biosens Bioelectron 2024; 251:116124. [PMID: 38359669 DOI: 10.1016/j.bios.2024.116124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/16/2024] [Accepted: 02/10/2024] [Indexed: 02/17/2024]
Abstract
Rapid detection of pathogens at the point-of-need is crucial for preventing the spread of human, animal and plant diseases which can have devastating consequences both on the lives and livelihood of billions of people. Colorimetric, lateral flow assays consisting of a nitrocellulose membrane, are the preferred format today for low-cost on-site detection of pathogens. This assay format has, however, historically suffered from poor analytical performance and is not compatible with digital technologies. In this work, we report the development of a new class of digital diagnostics platform for precision point-of-need testing. This new versatile platform consists of two important innovations: i) A wireless and batteryless, microcontroller-based, low-cost Near Field Communication (NFC)-enabled potentiostat that brings high performance electroanalytical techniques (cyclic voltammetry, chronoamperometry, square wave voltammetry) to the field. The NFC-potentiostat can be operated with a mobile app by minimally trained users; ii) A new approach for producing nitrocellulose membranes with integrated electrodes that facilitate high performance electrochemical detection at the point-of-need. We produced an integrated system housed in a 3D-printed phone case and demonstrated its use for the detection of Maize Mosaic Virus (MMV), a plant pathogen, as a proof-of-concept application.
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Affiliation(s)
| | - Yunpeng Li
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Kaijia Zhang
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | | | - Giandrin Barandun
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Yasin Cotur
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Tarek Asfour
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Selin Olenik
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Philip Coatsworth
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Jack Herrington
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom
| | - Firat Güder
- Department of Bioengineering, Imperial College London, SW7 2AZ, United Kingdom.
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5
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Hsu CY, Saleh RO, Pallathadka H, Kumar A, Mansouri S, Bhupathi P, Jasim Ali SH, Al-Mashhadani ZI, Alzubaidi LH, Hizam MM. Advances in electrochemical-optical dual-mode biosensors for detection of environmental pathogens. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1306-1322. [PMID: 38344759 DOI: 10.1039/d3ay02217j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
Electrochemical techniques are commonly used to analyze and screen various environmental pathogens. When used in conjunction with other optical recognition methods, it can extend the sensing range, lower the detection limit, and offer mutual validation. Nowadays, electrochemical-optical dual-mode biosensors have ensured the accuracy of test results by integrating two signals into one, indicating their potential use in primary food safety quantitative assays and screening tests. Particularly, visible optical signals from electrochemical/colorimetric dual-mode biosensors could meet the demand for real-time screening of microbial pathogens. While electrochemical-optical dual-mode probes have been receiving increasing attention, there is limited emphasis on the design approaches for sensors intended for microbial pathogens. Here, we review the recent progress in the merging of optical and electrochemical techniques, including fluorescence, colorimetry, surface plasmon resonance (SPR), and surface enhanced Raman spectroscopy (SERS). This study particularly emphasizes the reporting of various sensing performances, including sensing principles, types, cutting-edge design approaches, and applications. Finally, some concerns and upcoming advancements in dual-mode probes are briefly outlined.
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Affiliation(s)
- Chou-Yi Hsu
- Department of Pharmacy, Chia Nan University of Pharmacy and Science, Tainan, Taiwan
| | - Raed Obaid Saleh
- Department of Medical Laboratory Techniques, Al-Maarif University College, Al-Anbar, Iraq
| | | | - Abhinav Kumar
- Department of Nuclear and Renewable Energy, Ural Federal University Named after the First President of Russia Boris Yeltsin, Ekaterinburg 620002, Russia
| | - Sofiene Mansouri
- Department of Biomedical Technology, College of Applied Medical Sciences in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
- University of Tunis El Manar, Higher Institute of Medical Technologies of Tunis, Laboratory of Biophysics and Medical Technologies, Tunis, Tunisia
| | - Priyadharshini Bhupathi
- VIT School of Agricultural Innovations and Advanced Learning, Vellore Institute of Technology, Vellore, India.
| | - Saad Hayif Jasim Ali
- Department of Medical Laboratory, College of Health and Medical Technololgy, Al-Ayen University, Thi-Qar, Iraq
| | | | - Laith H Alzubaidi
- College of Technical Engineering, The Islamic University, Najaf, Iraq
- College of Technical Engineering, The Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- College of Technical Engineering, The Islamic University of Babylon, Babylon, Iraq
| | - Manar Mohammed Hizam
- College of Pharmacy, National University of Science and Technology, Dhi Qar, Iraq
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6
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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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7
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Nandhakumar P, Muñoz San Martín C, Arévalo B, Ding S, Lunker M, Vargas E, Djassemi O, Campuzano S, Wang J. Redox Cycling Amplified Electrochemical Lateral-Flow Immunoassay: Toward Decentralized Sensitive Insulin Detection. ACS Sens 2023; 8:3892-3901. [PMID: 37734056 DOI: 10.1021/acssensors.3c01445] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/23/2023]
Abstract
While paper-based lateral-flow immunoassays (LFA) offer considerable promise for centralized diagnostic applications, the analytical capability of conventional LFA remains constrained due to the low sensitivity of its common optical detection strategy. To address these issues, we report a simple electrochemical LFA (eLFA) with nanocatalytic redox cycling for decentralized insulin detection. Simultaneous binding of insulin with detection antibodies and capture antibodies through the capillary flow at the LFA platform and signal amplification through the rapid nanocatalytic reduction of [Fe(CN)6]3- (Fe3+) with Au nanoparticles (AuNP) and ammonia-borane (AB), coupled to electrochemical redox cycling reactions involving Fe3+, AuNP, and AB on the carbon working electrode, offer higher sensitivity than conventional colorimetric LFA and enzymatic redox cycling. The resulting integrated eLFA strip allows the detection of low insulin concentrations (LOD = 12 pM) and offers considerable promise for highly sensitive decentralized assays of different biological fluids (saliva and serum) without additional pretreatment or washing steps.
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Affiliation(s)
- Ponnusamy Nandhakumar
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Cristina Muñoz San Martín
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
- Departamento de Química Analítica, Universidad Complutense, E-28040 Madrid, Spain
| | - Beatriz Arévalo
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
- Departamento de Química Analítica, Universidad Complutense, E-28040 Madrid, Spain
| | - Shichao Ding
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Mahika Lunker
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Eva Vargas
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Omeed Djassemi
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
| | - Susana Campuzano
- Departamento de Química Analítica, Universidad Complutense, E-28040 Madrid, Spain
| | - Joseph Wang
- Department of Nanoengineering, University of California San Diego, La Jolla, California 92093, United States
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8
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Deenin W, Wenninger N, Schmid MG, Kalcher K, Ortner A, Chaiyo S. Rapid electrochemical lateral flow device for the detection of Δ 9-tetrahydrocannabinol. Anal Chim Acta 2023; 1279:341768. [PMID: 37827668 DOI: 10.1016/j.aca.2023.341768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/26/2023] [Accepted: 08/29/2023] [Indexed: 10/14/2023]
Abstract
Cannabis is a plant that is harmful and beneficial because it contains more than 400 bioactive compounds, and the main compounds are Δ9 tetrahydrocannabinol (THC) and cannabidiol (CBD). Currently, cannabis extracts are used in medicine, but the amount of THC as a main psychoactive component is strictly regulated. Therefore, the ability to rapidly and accurately detect THC is important. Herein, we developed a sensitive electrochemical method combining a rapid lateral flow assay (LFA) to detect THC rapidly. An electrochemical LFA device was constructed by attaching a screen-printed electrode inside a lateral-flow device to exploit the remarkable binding of THC to the cannabinoid type 2 (CB2) receptor in the test zone. The ferrocene carboxylic acid attached to the monoclonal THC antibody acts as an electroactive species when it binds to the THC in the sample before it flows continuously to the CB2 receptor region on the electrode. Under optimal conditions, the detection time is within 6 min and the devise shows excellent performance with a detection limit of 1.30 ng/mL. Additionally, the device could be applied to detect THC in hemp extract samples. The results obtained from this sensor are similar to the standard method (HPLC) for detecting THC. Therefore, this proposed device is useful as an alternative device for the on-site determination of THC because it is inexpensive, portable, and exhibits high sensitivity.
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Affiliation(s)
- Wanwisa Deenin
- Program in Biotechnology, Faculty of Science, Chulalongkorn University, Bangkok, 10330, Thailand; The Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Nadine Wenninger
- Department of Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, Graz, 8010, Austria
| | - Martin G Schmid
- Department of Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, Graz, 8010, Austria
| | - Kurt Kalcher
- Department of Analytical Chemistry, University of Graz, Universitätsplatz 1, Graz, 8010, Austria
| | - Astrid Ortner
- Department of Pharmaceutical Chemistry, University of Graz, Schubertstraße 1, Graz, 8010, Austria.
| | - Sudkate Chaiyo
- The Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok, 10330, Thailand; Center of Excellence for Food and Water Risk Analysis (FAWRA), Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, 10330, Thailand.
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9
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Campuzano S, Pingarrón JM. Electrochemical Affinity Biosensors: Pervasive Devices with Exciting Alliances and Horizons Ahead. ACS Sens 2023; 8:3276-3293. [PMID: 37534629 PMCID: PMC10521145 DOI: 10.1021/acssensors.3c01172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 07/25/2023] [Indexed: 08/04/2023]
Abstract
Electrochemical affinity biosensors are evolving at breakneck speed, strengthening and colonizing more and more niches and drawing unimaginable roadmaps that increasingly make them protagonists of our daily lives. They achieve this by combining their intrinsic attributes with those acquired by leveraging the significant advances that occurred in (nano)materials technology, bio(nano)materials and nature-inspired receptors, gene editing and amplification technologies, and signal detection and processing techniques. The aim of this Perspective is to provide, with the support of recent representative and illustrative literature, an updated and critical view of the repertoire of opportunities, innovations, and applications offered by electrochemical affinity biosensors fueled by the key alliances indicated. In addition, the imminent challenges that these biodevices must face and the new directions in which they are envisioned as key players are discussed.
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Affiliation(s)
- Susana Campuzano
- Departamento de Química Analítica,
Facultad de Ciencias Químicas, Universidad
Complutense de Madrid, 28040 Madrid, España
| | - José M. Pingarrón
- Departamento de Química Analítica,
Facultad de Ciencias Químicas, Universidad
Complutense de Madrid, 28040 Madrid, España
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10
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Preechakasedkit P, Panphut W, Lomae A, Wonsawat W, Citterio D, Ruecha N. Dual Colorimetric/Electrochemical Detection of Salmonella typhimurium Using a Laser-Induced Graphene Integrated Lateral Flow Immunoassay Strip. Anal Chem 2023; 95:13904-13912. [PMID: 37638540 DOI: 10.1021/acs.analchem.3c02252] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
Foodborne illnesses caused by the ingestion of contaminated foods or beverages are a serious concern due to the millions of reported cases per year. It is essential to develop sensitive and rapid detection methods of foodborne pathogens to ensure food safety for producers and consumers. Unfortunately, current detection techniques still suffer from time-consuming operations and the need for highly skilled personnel. Here, we introduce a highly sensitive dual colorimetric/electrochemical detection approach for Salmonella enterica serovar typhimurium (S. typhimurium) based on a laser-induced graphene-integrated lateral flow immunoassay (LIG-LFIA) strip. The LIG electrode was fabricated by laser engraving on a polyimide tape containing a pseudo silver/silver chloride reference electrode from silver sintering and chlorination. Using double-sided tape inserted into the strip, automatic sequential reagent delivery was enabled for the dual-mode signal readout by single-sample loading. A gold-deposited gold nanoparticle strategy was first employed to simultaneously obtain a colorimetric signal for early screening and a signal turn-on electrochemical response for high-sensitivity and -quantitative analysis. A superior performance of the strip was established, characterized by a short analysis time (12 min assay +15 min sample preparation), a broad working concentration range (1 cfu/10 mL to 108 cfu/mL), and the lowest limit of detection (1 ± 0.5 cfu/10 mL; mean ± standard deviation, n = 3) among reported multimode S. typhimurium detection schemes. The strip was successfully applied in the analysis of various food products without any bacterial enrichment or amplification required, and the results were comparable to those of the standard culture method.
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Affiliation(s)
- Pattarachaya Preechakasedkit
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Wattana Panphut
- Department of Industrial Microbiology, Faculty of Science and Technology, Suan Sunandha Rajabhat University, Nok Street, Dusit, Bangkok 10300, Thailand
| | - Atchara Lomae
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Wanida Wonsawat
- Department of Chemistry, Faculty of Science and Technology, Suan Sunandha Rajabhat University, Nok Street, Dusit, Bangkok 10300, Thailand
| | - Daniel Citterio
- Department of Applied Chemistry, Faculty of Science and Technology, Keio University, Yokohama, Kanagawa 223-8522, Japan
| | - Nipapan Ruecha
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
- Center of Excellence for Food and Water Risk Analysis (FAWRA), Department of Veterinary Public Health, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
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11
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Bazsefidpar S, Serrano-Pertierra E, Gutiérrez G, Calvo AS, Matos M, Blanco-López MC. Rapid and sensitive detection of E. coli O157:H7 by lateral flow immunoassay and silver enhancement. Mikrochim Acta 2023; 190:264. [PMID: 37336818 DOI: 10.1007/s00604-023-05834-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 05/15/2023] [Indexed: 06/21/2023]
Abstract
The aim of this study was to develop a sensitive lateral flow immunoassay (LFIA) for the rapid detection of Escherichia coli (E. coli) O157:H7, a pathogen contributor to diseases and fatalities worldwide. Au nanoparticles with high stability, uniform size, and shape were synthesized and coated with heterobifunctional PEG polymer with carboxyl groups, and they were bioconjugated to be used as label in sandwich-LFIA. Then, a silver enhancement strategy was developed as an accessible, rapid, and cost-effective approach for signal amplification to reduce the limit of detection (LOD). The optimal results were achieved when a solution of silver nitrate and hydroquinone/citrate buffer was added to the strips for 4 min. This led to a decrease in the visual LOD from 2 × 106 (CFU mL-1) to 2 × 103 (CFU mL-1), resulting in a threefold improvement in sensitivity compared to the conventional LFIA system. The specificity of the system was evaluated by using non-target bacteria (E. coli BL21 and E. coli T515) and its reliability was determined by testing commercial food samples (milk, tap water, and orange juice), demonstrating its effectiveness for quickly detecting pathogenic bacteria in food products.
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Affiliation(s)
- Shayesteh Bazsefidpar
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006, Oviedo, Spain
| | - Esther Serrano-Pertierra
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006, Oviedo, Spain
| | - Gemma Gutiérrez
- Department of Chemical and Environmental Engineering & Institute of Biotechnology of Asturias, University of Oviedo, Oviedo, Spain
| | - Alberto Sánchez Calvo
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006, Oviedo, Spain
| | - María Matos
- Department of Chemical and Environmental Engineering & Institute of Biotechnology of Asturias, University of Oviedo, Oviedo, Spain
| | - María Carmen Blanco-López
- Department of Physical and Analytical Chemistry & Institute of Biotechnology of Asturias, University of Oviedo, c/Julián Clavería 8, 33006, Oviedo, Spain.
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Galyamin D, Liébana S, Esquivel JP, Sabaté N. Immuno-battery: A single use self-powered immunosensor for REASSURED diagnostics. Biosens Bioelectron 2023; 220:114868. [DOI: 10.1016/j.bios.2022.114868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/26/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022]
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Combination of an aptamer-based immunochromatography assay with nanocomposite-modified screen-printed electrodes for discrimination and simultaneous determination of tryptophan enantiomers. Talanta 2022. [DOI: 10.1016/j.talanta.2022.124090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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