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Updated: Apr 19, 2026

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

Malaria detection using inertial microfluidics.

Majid Ebrahimi Warkiani^1,2, Andy Kah Ping Tay^1,3, Bee Luan Khoo^4,3

¹BioSystems and Micromechanics (BioSyM) IRG, Singapore-MIT Alliance for Research and Technology (SMART) Centre, Singapore. ctlim@nus.edu.sg.

|December 25, 2014

Summary

This summary is machine-generated.

Early malaria diagnosis is improved using a novel microfluidic system to enrich parasites. This method enhances the sensitivity of real-time polymerase chain reaction (qPCR) for detecting low parasite levels in blood.

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Last Updated: Apr 19, 2026

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

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Published on: April 16, 2016

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

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Microfluidic Chip Fabrication and Method to Detect Influenza

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Published on: March 26, 2013

Area of Science:

Biomedical Engineering
Parasitology
Molecular Diagnostics

Background:

Early malaria diagnosis is crucial but challenging due to low parasite numbers.
Real-time polymerase chain reaction (qPCR) offers high sensitivity but faces limitations like primer specificity and PCR inhibitors.
Existing methods struggle with detecting low parasitemia, impacting timely treatment and control efforts.

Purpose of the Study:

To develop and validate a label-free, shear-modulated inertial microfluidic system for malaria parasite enrichment.
To improve the reliability and specificity of PCR-based malaria detection, especially at low parasite densities.
To facilitate more sensitive and accurate malaria diagnosis for screening and elimination programs.

Main Methods:

Utilized a high aspect ratio microfluidic system employing shear-modulated inertial focusing and pinched flow dynamics.
Isolated ring-stage malaria parasites from lysed blood containing white blood cells (WBCs).
Demonstrated parasite enrichment and subsequent quantification using qPCR.

Main Results:

Successfully enriched malaria parasites from lysed blood, separating them from WBCs.
Achieved sensitive detection of Plasmodium falciparum at densities from 10^3 to 10^4 parasites/mL.
Demonstrated a 100-fold increase in sensitivity compared to conventional microscopy.

Conclusions:

The developed microfluidic system effectively enriches malaria parasites, enabling highly sensitive and specific qPCR detection.
This technology offers a promising solution for early malaria diagnosis, even with low parasitemia.
The system's simplicity supports integration into automated platforms for rapid malaria screening and global elimination efforts.