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Related Concept Videos

Formation of the Platelet Plug01:22

Formation of the Platelet Plug

The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...

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Related Experiment Video

Updated: May 10, 2026

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation
04:37

Comprehensive Analysis of Procoagulant Platelets Exhibiting Features of Necrosis, Apoptosis and Platelet Activation

Published on: May 23, 2025

A rapid, topographical platelet activation assay.

R Woolley1, Ú Prendergast, B Jose

  • 1National Biophotonics and Imaging Platform, Dublin City University, Glasnevin, Dublin 9, Ireland. woolleyrj@hotmail.com

The Analyst
|June 12, 2013
PubMed
Summary

This study introduces a novel, rapid, label-free platform for assessing platelet function and monitoring anti-thrombotic drug effects. The technology utilizes immobilized platelets and dye displacement to analyze cell morphology and aggregation, aiding cardiovascular disease management.

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Last Updated: May 10, 2026

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Published on: November 8, 2024

Area of Science:

  • Biomedical Engineering
  • Hematology
  • Nanotechnology

Background:

  • Platelets are crucial for hemostasis and thrombus formation, involving rapid morphological changes and aggregation.
  • Current diagnostic tests for platelet function lack speed and simplicity, hindering real-time monitoring in cardiovascular disease patients.
  • Developing rapid, label-free assays is essential for effective drug response monitoring.

Purpose of the Study:

  • To develop and validate a rapid, label-free platform for assessing platelet function.
  • To demonstrate the platform's utility in monitoring the effects of anti-thrombotic drugs.
  • To analyze platelet morphological changes and aggregation properties.

Main Methods:

  • Development of a single-step cell purification surface to immobilize platelets from whole blood.
  • Utilizing a label-free, rapid dye displacement chamber to assess platelet morphology and aggregation.
  • Employing high-resolution Atomic Force Microscopy (AFM) for detailed morphological analysis.

Main Results:

  • Successful immobilization of platelets from whole blood onto a protein array.
  • Demonstration of stimulation-dependent changes in platelet morphology and aggregation.
  • Validation of the platform for monitoring anti-thrombotic drug influence on platelet function.

Conclusions:

  • The developed platform offers a rapid and label-free method for assaying platelet function.
  • This technology has significant potential for monitoring drug responses in patients with cardiovascular diseases.
  • The platform effectively captures dynamic platelet changes, aiding in diagnostic and therapeutic applications.