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Updated: Jun 12, 2025

Microfluidics in Assessing Platelet Function

Microfluidics in Assessing Platelet Function

Published on: November 8, 2024

Integrated microfluidic multiple electrode aggregometry for point-of-care platelet function analysis.

X Zhao^1,2, V R Gopal², F Lozano-Juan²

¹State Key Laboratory of Radio Frequency Heterogeneous Integration, Shanghai Jiao Tong University, 800 Dongchuan Road, Minhang District, Shanghai 200240, China. xinzhao@sjtu.edu.cn.

|September 18, 2024

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This summary is machine-generated.

A novel microfluidic sensor enables point-of-care platelet function analysis directly from whole blood. This technology simplifies testing, improving management of bleeding and clotting disorders in critical care settings.

Area of Science:

Biomedical Engineering
Clinical Diagnostics
Hematology

Background:

Point-of-care (POC) platelet function analysis is crucial for managing bleeding and clotting disorders in critical care.
Current POC testing is limited by complex sample preparation and technological constraints.
There is a need for rapid, accurate, and user-friendly platelet function assays at the POC.

Purpose of the Study:

To develop an integrated microfluidic multiple electrode aggregometry (μMEA) sensor for label-free, whole-blood platelet function analysis.
To enable POC platelet testing without complex sample preparation or additional reagents.
To validate the sensor's performance against established methods and assess its utility in various clinical scenarios.

Main Methods:

Development of a microfluidic sensor with an embedded microelectrode array for multi-frequency impedance measurement.

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Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Published on: October 27, 2009

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Last Updated: Jun 12, 2025

Microfluidics in Assessing Platelet Function

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Published on: November 8, 2024

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

Published on: May 2, 2025

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

Platelet Adhesion and Aggregation Under Flow using Microfluidic Flow Cells

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Direct analysis of whole blood, incorporating physiological flow and shear conditions.

Label-free sensing of platelet activation and aggregation via impedance changes.

Validation using simultaneous fluorometric measurement and visualization.

Optimization of sensor sensitivity and repeatability through frequency response analysis.

Main Results:

The μMEA sensor accurately detects and quantifies platelet aggregation in a label-free manner.
Impedance signals correlated well with fluorometric measurements, confirming assay validity.
Sensor performance was optimized using frequency response, demonstrating tunable dynamic range for drug dose-response characterization.
High sensitivity was achieved, enabling platelet function analysis even in thrombocytopenic conditions.

Conclusions:

The integrated μMEA sensor offers a simplified, label-free approach for POC platelet function analysis.
This technology overcomes limitations of existing methods, enabling direct whole-blood testing.
The sensor has the potential to significantly improve the timely and precise management of bleeding and clotting disorders in diverse clinical settings.