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Related Experiment Video

Updated: Jul 9, 2026

A Microfluidic Chip for ICPMS Sample Introduction

A Microfluidic Chip for ICPMS Sample Introduction

Published on: March 5, 2015

A fully integrated and automated 24-sample microfluidic system for sample-in-amplicon-out forensic analysis.

Jun Nie^1,2, Yong Fan^1,2, Jichen Li^1,2,3

¹Guangdong Provincial Key Laboratory of Biomedical Optical Imaging Technology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.

Microsystems & Nanoengineering

|July 7, 2026

Summary

This summary is machine-generated.

A new microfluidic system enables automated, high-throughput forensic DNA analysis for 24 samples. This integrated platform significantly reduces processing time and cost for reliable DNA profiling.

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Last Updated: Jul 9, 2026

A Microfluidic Chip for ICPMS Sample Introduction

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Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Enhanced Genetic Analysis of Single Human Bioparticles Recovered by Simplified Micromanipulation from Forensic ‘Touch DNA’ Evidence

Published on: March 9, 2015

Area of Science:

Forensic Science
Biotechnology
Microfluidics

Background:

High-throughput DNA profiling is essential for forensic science.
Current methods face limitations in sample throughput, system integration, and cost.

Purpose of the Study:

To develop a fully integrated microfluidic system for automated, end-to-end forensic DNA analysis.
To assess the system's performance in terms of throughput, reliability, and cost-effectiveness.

Main Methods:

A microfluidic system with integrated modules for cell lysis, DNA extraction/purification, multiplex PCR, and STR analysis was developed.
Electromagnetic membrane valves and solenoid/rotary valve systems controlled fluidics and reagent handling.
The system processed 24 samples in parallel within a sealed cartridge.

Main Results:

Achieved a coefficient of variation (CV) of 3.14% for 24 parallel samples.
Demonstrated high-quality short tandem repeat (STR) amplicons from buccal swabs and FTA cards.
Completed 24-sample processing in under 6 hours at a per-sample cost below $50.

Conclusions:

The integrated microfluidic system provides a viable solution for high-throughput forensic DNA analysis.
The platform offers significant improvements in speed, integration, and cost compared to conventional methods.
This technology has the potential to enhance forensic DNA profiling capabilities.