Related Experiment Video
Updated: Jul 7, 2025
08:56
Visual Detection of Multiple Nucleic Acids in a Capillary Array
Published on: November 15, 2017
7.3K
Fully Integrated Microfluidic Platform for Multiplexed Detection of Hunov by a Dynamic Confined-Space-Implemented
Fumin Chen1, Chenang Lyu2, Zhao Li3,4
1School of Global Health, Chinese Center for Tropical Diseases Research, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, P. R. China.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|December 21, 2023
Summary
A new portable diagnostic platform enables rapid, sensitive detection of human norovirus (HuNoV) GI and GII subtypes in fecal samples. This technology is crucial for early surveillance and prevention of gastroenteritis outbreaks.
Area of Science:
- * Gastroenterology
- * Molecular Diagnostics
- * Biomedical Engineering
Background:
- * Human norovirus (HuNoV) is a primary cause of acute gastroenteritis, necessitating rapid and accurate detection methods.
- * Early identification of HuNoV subtypes is critical for effective disease management, surveillance, and prevention strategies.
- * Existing detection methods face challenges including contamination and incompatibility between amplification techniques.
Purpose of the Study:
- * To develop a portable multiplex platform for the simultaneous detection of HuNoV GI and GII.
- * To create a streamlined protocol for clinical fecal-based diagnosis.
- * To overcome limitations of current amplification methods for improved diagnostic accuracy.
Main Methods:
- * Development of a Dynamic confined-space-implemented One-pot RPA-LAMP colorimetric detection system (DORLA) utilizing a hydrogen bond network.
- * Integration of microfluidics with cascade isothermal amplification for HuNoV detection.
- * Design of a portable diagnostic platform with a thermostatic control module and a 3D-printed microfluidic chip for sample processing and detection.
Main Results:
- * The DORLA system demonstrated high sensitivity, with detection limits of 10 copies/µL for HuNoV GI and 1 copy/µL for HuNoV GII.
- * The portable platform successfully enabled simultaneous diagnosis of HuNoV GI and GII from clinical fecal samples.
- * The system achieved satisfactory performance, highlighting its potential for rapid point-of-care testing.
Conclusions:
- * The DORLA-based microfluidic platform offers a sensitive and portable solution for HuNoV detection.
- * This technology holds significant potential for rapid point-of-care diagnostics, especially in resource-limited settings.
- * The developed platform facilitates timely identification of HuNoV, aiding in outbreak control and public health management.
