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Updated: Dec 31, 2025

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles

A Facile and Efficient Approach for the Production of Reversible Disulfide Cross-linked Micelles

Published on: December 23, 2016

Micelle-embedded coating with ebselen for nitric oxide generation.

Li Yang¹, Lin-Hua Li¹, Lu Jiang¹

¹National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, Sichuan Province, China.

Medical Gas Research

|January 4, 2020

Summary

Researchers developed a nitric oxide-releasing coating for blood-contacting materials. This endothelial-mimetic surface, using ebselen-loaded micelles, inhibits platelet adhesion and cell proliferation, mimicking natural endothelial function safely.

Keywords:

anti-coagulation cardiovascular implants ebselen endothelialization layer-by-layer micelle nitric oxide surface modification

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Area of Science:

Biomaterials Science
Surface Chemistry
Biomedical Engineering

Background:

Endothelial cells generate nitric oxide (NO), crucial for anti-coagulation and anti-hyperplasia.
Developing NO-releasing surfaces for blood-contacting materials is vital for vascular biomedical devices.
Challenges include immobilizing NO-generating catalysts for sustained and safe release.

Purpose of the Study:

To create a functional coating mimicking endothelial NO production using layer-by-layer assembly.
To incorporate a glutathione peroxidase-like catalyst (ebselen) within micelles for controlled NO generation.
To evaluate the anti-coagulation and anti-hyperplasia properties of the developed coating.

Main Methods:

Synthesized chitosan-catechol and modified hyaluronic acid to form micelles loaded with ebselen.
Utilized layer-by-layer assembly with chitosan-catechol, heparin, and ebselen-loaded micelles.
Characterized the micelle-embedded coating and assessed its NO generation capacity and biological effects.

Main Results:

Successfully fabricated a micelle-embedded coating with sustained nitric oxide generation at a safe, endothelial-like level.
The coating effectively inhibited platelet adhesion and smooth muscle cell proliferation.
Demonstrated the potential for diverse drug loading and property regulation.

Conclusions:

The ebselen-loaded micelle coating provides a promising endothelial-mimetic surface for blood-contacting applications.
This approach offers a tunable and safe method for NO generation, improving hemocompatibility.
The layer-by-layer strategy is versatile for developing advanced functional biomaterials.