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Structure and Function of Platelets

Structure and Function of Platelets

The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
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Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors

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Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...

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Related Experiment Video

Updated: Oct 22, 2025

Microfluidics in Assessing Platelet Function

Microfluidics in Assessing Platelet Function

Published on: November 8, 2024

Bioinspired artificial platelets: past, present and future.

Norman F Luc¹, Nathan Rohner¹, Aditya Girish¹

¹Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH, USA.

|August 30, 2021

Summary

This summary is machine-generated.

Artificial platelets offer a promising alternative to donor platelets, addressing limitations in supply and storage. This review explores their development and potential for hemostasis.

Keywords:

Artificial Platelets Bioinspired Haemostasis Platelets Transfusion

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Last Updated: Oct 22, 2025

Microfluidics in Assessing Platelet Function

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Published on: November 8, 2024

Dynamic Multiparameter Platelet Function Assessment Using a Capacitive Biosensor

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Published on: May 2, 2025

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

Published on: March 19, 2016

Area of Science:

Biomedical Engineering
Hematology
Materials Science

Background:

Platelets are crucial for hemostasis, forming clots to stop bleeding.
Low platelet counts or dysfunction increase bleeding risks, necessitating transfusions.
Donor platelet transfusions face challenges like limited availability, short shelf-life, and contamination risks.

Purpose of the Study:

To review the history and current state of artificial platelet research.
To discuss the translational opportunities and challenges of artificial platelets.
To highlight advancements in emulating platelet hemostatic functions.

Main Methods:

Review of existing literature on artificial platelet development.
Analysis of biosynthetic particle constructs mimicking platelet functions.
Discussion of in vitro generation of donor-independent platelets.

Main Results:

Artificial platelets are being designed to emulate key hemostatic mechanisms.
Research is exploring stem cell-based in vitro platelet generation.
Strategies to improve donor platelet shelf-life and safety are advancing.

Conclusions:

Artificial platelets present a viable alternative to address donor platelet limitations.
Further research and development are needed to overcome translational challenges.
These novel approaches hold significant potential for managing bleeding disorders.