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SERS Based Lateral Flow Immunoassay for Point-of-Care Detection of SARS-CoV-2 in Clinical Samples.
Yadav, Shalu; Sadique, Mohd Abubakar; Ranjan, Pushpesh; Kumar, Neeraj; Singhal, Ayushi; Srivastava, Avanish K; Khan, Raju.
  • Yadav S; Microfluidics & MEMS Centre, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India.
  • Sadique MA; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
  • Ranjan P; Microfluidics & MEMS Centre, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India.
  • Kumar N; Microfluidics & MEMS Centre, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India.
  • Singhal A; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
  • Srivastava AK; Microfluidics & MEMS Centre, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India.
  • Khan R; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
ACS Appl Bio Mater ; 4(4): 2974-2995, 2021 04 19.
Article in English | MEDLINE | ID: covidwho-1157888
ABSTRACT
The current scenario, an ongoing pandemic of COVID-19, places a dreadful burden on the healthcare system worldwide. Subsequently, there is a need for a rapid, user-friendly, and inexpensive on-site monitoring system for diagnosis. The early and rapid diagnosis of SARS-CoV-2 plays an important role in combating the outbreak. Although conventional methods such as PCR, RT-PCR, and ELISA, etc., offer a gold-standard solution to manage the pandemic, they cannot be implemented as a point-of-care (POC) testing arrangement. Moreover, surface-enhanced Raman spectroscopy (SERS) having a high enhancement factor provides quantitative results with high specificity, sensitivity, and multiplex detection ability but lacks in POC setup. In contrast, POC devices such as lateral flow immunoassay (LFIA) offer rapid, simple-to-use, cost-effective, reliable platform. However, LFIA has limitations in quantitative and sensitive analyses of SARS-CoV-2 detection. To resolve these concerns, herein we discuss a unique modality that is an integration of SERS with LFIA for quantitative analyses of SARS-CoV-2. The miniaturization ability of SERS-based devices makes them promising in biosensor application and has the potential to make a better alternative of conventional diagnostic methods. This review also demonstrates the commercially available and FDA/ICMR approved LFIA kits for on-site diagnosis of SARS-CoV-2.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Spectrum Analysis, Raman / Viral Proteins / Immunoassay / Point-of-Care Systems / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Humans Language: English Journal: ACS Appl Bio Mater Year: 2021 Document Type: Article Affiliation country: Acsabm.1c00102

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Spectrum Analysis, Raman / Viral Proteins / Immunoassay / Point-of-Care Systems / COVID-19 Type of study: Diagnostic study / Prognostic study Limits: Humans Language: English Journal: ACS Appl Bio Mater Year: 2021 Document Type: Article Affiliation country: Acsabm.1c00102