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Related Experiment Video

Updated: May 5, 2026

Computer Numerical Control Micromilling of a Microfluidic Acrylic Device with a Staggered Restriction for Magnetic Nanoparticle-Based Immunoassays

Computer Numerical Control Micromilling of a Microfluidic Acrylic Device with a Staggered Restriction for Magnetic Nanoparticle-Based Immunoassays

Published on: June 23, 2022

Paper-based microfluidic device with upconversion fluorescence assay.

Mengyuan He¹, Zhihong Liu

¹Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan, Hubei 430072, China.

Analytical Chemistry

|December 7, 2013

Summary

This summary is machine-generated.

A novel paper-based microfluidic device uses upconversion fluorescence assays for rapid, sensitive detection. This low-cost, easy-to-fabricate technology shows promise for clinical point-of-care testing.

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Area of Science:

Biomedical Engineering
Analytical Chemistry
Materials Science

Background:

Development of a novel paper-based microfluidic device integrating upconversion fluorescence assay (UC-μPAD).
Fabrication utilizes a simple plotting method on standard office printing sheets.
Incorporates upconversion phosphors (UCPs) tagged with specific probes onto test zones.

Discussion:

Assay targets are introduced, followed by direct upconversion fluorescence measurements on test zones.
Eliminates the need for post-treatment steps, simplifying the detection process.
Highlights ease of fabrication, operation, speed, low cost, and high sensitivity.

Key Insights:

The UC-μPAD offers a streamlined approach to fluorescence-based detection.
Demonstrates high sensitivity achievable with simple, paper-based platforms.
Successful integration of upconversion phosphors for enhanced signal generation.

Outlook:

The UC-μPAD presents a promising platform for clinical point-of-care testing (POCT).
Potential for widespread adoption in resource-limited settings due to low cost and simple fabrication.
Further development could expand its application in various diagnostic assays.