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Related Experiment Video

Updated: Jul 11, 2026

Microfluidic Chip Fabrication and Method to Detect Influenza

Microfluidic Chip Fabrication and Method to Detect Influenza

Published on: March 26, 2013

Integrated High-Throughput Centrifugal Microfluidic Chip Device for Pathogen Detection On-Site.

Shuyu Lu^1,2,3, Yuanzhan Yang^1,2,3, Siqi Cui^1,2,3

¹School of Medical Technology, Beijing Institute of Technology, 5 South Zhongguancun Street, Haidian District, Beijing 100081, China.

|June 26, 2024

Summary

A new portable device enables rapid, high-throughput pathogen detection at the point-of-care. This integrated system automates bacterial lysis, nucleic acid extraction, and amplification for early infectious disease diagnosis.

Keywords:

Coriolis force centrifugal microfluidic chip device hydrophobic valve lamp nucleic acid extraction paraffin valve siphon valve

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Last Updated: Jul 11, 2026

Microfluidic Chip Fabrication and Method to Detect Influenza

Microfluidic Chip Fabrication and Method to Detect Influenza

Published on: March 26, 2013

Fully Automated Centrifugal Microfluidic Device for Ultrasensitive Protein Detection from Whole Blood

Fully Automated Centrifugal Microfluidic Device for Ultrasensitive Protein Detection from Whole Blood

Published on: April 16, 2016

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Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Area of Science:

Biomedical Engineering
Microfluidics
Infectious Disease Diagnostics

Background:

Point-of-care testing (POCT) requires integrated, high-throughput devices for rapid pathogen detection.
Early diagnosis of infectious diseases is critical for preventing outbreaks and improving patient outcomes.

Purpose of the Study:

To develop an automated, portable platform for on-site pathogen detection using centrifugal microfluidics.
To integrate multiple biological assay steps, including nucleic acid extraction and amplification, into a single device.

Main Methods:

Utilized a centrifugal microfluidic chip and an automated device for high-throughput pathogen detection.
Integrated bacterial lysis, magnetic bead-based nucleic acid extraction, loop-mediated isothermal amplification (LAMP), and real-time fluorescence detection.
Optimized magnetic bead mixing using electromagnetic fields and centrifugal forces, and reduced chip speed to 1500 rpm.

Main Results:

Achieved a 60% improvement in nucleic acid extraction efficiency compared to non-mixing methods.
Reduced nucleic acid extraction time by 60% compared to standard kit protocols.
Demonstrated a limit of detection (LOD) of 10^2 CFU/mL for *E. coli* within 60 minutes.

Conclusions:

The developed active centrifugal microfluidic platform enables integrated biological assays on a portable device.
This technology offers a promising solution for point-of-care infectious disease diagnosis.
The platform's low power consumption and compact size facilitate widespread application in clinical settings.