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Related Experiment Video

Updated: May 2, 2026

Detection of SARS-CoV-2 Neutralizing Antibodies using High-Throughput Fluorescent Imaging of Pseudovirus Infection

Detection of SARS-CoV-2 Neutralizing Antibodies using High-Throughput Fluorescent Imaging of Pseudovirus Infection

Published on: June 5, 2021

Microcavity based Biosensor for Detection of SARS-CoV-2.

Yi Su, Zhen Cui, Pavlos Savvidis

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|March 5, 2025

Summary

A novel biosensor offers rapid detection of viruses, outperforming traditional methods like polymerase chain reaction. This technology promises faster results for point-of-care testing, improving public health responses during pandemics.

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Last Updated: May 2, 2026

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Area of Science:

Biotechnology
Nanotechnology
Medical Diagnostics

Background:

Pandemic preparedness requires rapid and accurate infectious disease detection.
Current SARS-CoV-2 detection methods face limitations in speed and accessibility.
Delays in diagnosis impact treatment decisions and public health management.

Purpose of the Study:

To develop a rapid, sensitive, and accessible biosensor for virus detection.
To address the limitations of current diagnostic techniques for timely intervention.
To explore microcavity-based dark-field reflectivity for enhanced biosensing.

Main Methods:

Development of a biosensor utilizing microcavity-based dark-field reflectivity.
Integration of aptamers for specific virus binding and enhanced accuracy.
Testing the biosensor's sensitivity using pseudo-viruses.

Main Results:

The biosensor demonstrated high sensitivity in detecting pseudo-viruses.
Achieved a limit of detection at 10^2 copies, significantly lower than PCR's >10^3 copies.
The microcavity-based dark-field reflectivity technique proved effective for virus layer sensing.

Conclusions:

The developed biosensor shows significant potential for rapid point-of-care testing.
This technology can accelerate diagnosis and improve healthcare system efficiency.
Aptamer-enhanced biosensing offers a promising avenue for infectious disease diagnostics.