Diagnostics of SARS-CoV-2 infection using electrical impedance spectroscopy with an immunosensor to detect the spike protein
Juliana C. Soares,Boda Zhu,Andrey Soares,Monara Kaelle S.C. Angelim,José Luiz Proença-Módena,Pedro M. Moraes-Vieira,Luiz H. C. Mattoso,Osvaldo N. Oliveira +7 more
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TLDR
In this article, a low-cost immunosensor was used to detect the spike protein of SARS-CoV-2, including in samples of inactivated virus, using electrical impedance spectroscopy.About:
This article is published in Talanta.The article was published on 2021-11-22 and is currently open access. It has received 15 citations till now. The article focuses on the topics: Chemistry & Dielectric spectroscopy.read more
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Electrochemical immunosensors using electrodeposited gold nanostructures for detecting the S proteins from SARS-CoV and SARS-CoV-2
Laís Canniatti Brazaca,Amanda H. Imamura,Nathalia O. Gomes,Mariana B Almeida,Desirée Tamara Scheidt,Paulo A. Raymundo-Pereira,Osvaldo N. Oliveira,Bruno C. Janegitz,Sergio A.S. Machado,Emanuel Carrilho +9 more
TL;DR: In this article , a low-cost (< US$ 0.03 per device) immunosensor based on gold-modified screen-printed carbon electrodes (SPCEs) is presented.
Journal ArticleDOI
Progress in Electrochemical Biosensing of SARS-CoV-2 Virus for COVID-19 Management
TL;DR: This review comprehensively summarizes the state-of-the-art research progress of electrochemical biosensors for COVID-19 diagnosis, which include the detection of spike protein, nucleocapsid protein, whole virus, nucleic acid, and antibodies.
Journal ArticleDOI
An impedimetric biosensor for COVID-19 serology test and modification of sensor performance via dielectrophoresis force
Jiang Zeng,Pedro Augusto Silva Duarte,Yuhao Ma,Oleksandra Savchenko,Lian C. T. Shoute,Yeganeh Khaniani,Shawn Babiuk,Ran Zhuo,Gaser N. Abdelrasoul,Carmen L. Charlton,Jamil N. Kanji,Lorne A. Babiuk,Cole Edward,Jie Chen +13 more
TL;DR: In this article , a gold micro-interdigitated electrodes (IDE) biosensor was used for detecting COVID-19 antibodies using Electrochemical Impedance Spectroscopy (EIS) responses.
Journal ArticleDOI
Immunoassay platform with surface-enhanced resonance Raman scattering for detecting trace levels of SARS-CoV-2 spike protein
Maria Julia Bistaffa,Sabrina A. Camacho,Wallance Moreira Pazin,Carlos J. L. Constantino,Osvaldo N. Oliveira,Pedro H. B. Aoki +5 more
TL;DR: In this paper , a surface-enhanced resonance Raman scattering (SERRS) was used to detect trace levels of SARS-CoV-2 spike (S) protein.
Journal ArticleDOI
Detection of COVID-19-related biomarkers by electrochemical biosensors and potential for diagnosis, prognosis, and prediction of the course of the disease in the context of personalized medicine
Viviana Vásquez,Jahir Orozco +1 more
TL;DR: In this article , the authors discuss electrochemical biosensors for monitoring multiparametric biomarkers at different molecular levels and their potential to elucidate the health status of an individual in a personalized manner.
References
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Information visualization techniques for sensing and biosensing
Fernando V. Paulovich,Marli L. Moraes,Rafael M. Maki,Marystela Ferreira,Osvaldo N. Oliveira,Maria Cristina Ferreira de Oliveira +5 more
TL;DR: A suite of software tools, referred to as PEx-Sensors, through which projection techniques are used to analyze electrical impedance spectroscopy data in electronic tongues and related sensors, showing that non-linear projection techniques such as Sammon's Mapping or IDMAP provide higher distinction ability than linear methods for sensor arrays containing units capable of molecular recognition.
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TL;DR: In this article, a review of the diagnostic strategies available for the diagnosis of COVID-19 infection in both clinical and research settings is presented, in which the technical and instrumental characteristics of diagnostic methods used are described.
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Ultrasensitive detection of SARS-CoV-2 spike protein in untreated saliva using SERS-based biosensor.
Meiling Zhang,Xiaodan Li,Jialin Pan,Youlin Zhang,Ling Zhang,Chenguang Wang,Xu Yan,Xiaomin Liu,Geyu Lu +8 more
TL;DR: Wang et al. as discussed by the authors proposed a surface enhanced Raman scattering (SERS)-based COVID-19 biosensor for ultrasensitive detection of SARS-CoV-2 virus in untreated saliva.
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Electrochemical immunosensor with Cu 2 O nanocube coating for detection of SARS-CoV-2 spike protein.
TL;DR: In this paper, a label-free electrochemical biosensor was presented as a powerful nanobiodevice for SARS-CoV-2 spike protein detection, which was applied on a screen-printed carbon electrode modified with Cu2O nanocubes (Cu2O NCs), which provided a large surface area in a very small space.
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Ti3C2 MXene nanosheet-based capacitance immunoassay with tyramine-enzyme repeats to detect prostate-specific antigen on interdigitated micro-comb electrode
TL;DR: The interdigitated capacitance immunosensor showed good reproducibility, high specificity and acceptable accuracy for the analysis of human serum specimens in comparison with those obtained from commercial human PSA ELISA kit.