Cited by 39Polymer Surface Interaction Studiesbiodegradable polymer synthesis and propertiesBone Tissue Engineering Materials

Biocompatibility of Poly(carbonate urethane)s with Various Degrees of Nanophase Separation

Hsu, Shan‐hui, Kao, Yu‐Chih·2005·Macromolecular Bioscience

Abstract

Summary: Nanophase separation has been suggested to influence the biological performance of polyurethane. In a previous work (Macromol. Biosci. 2004, 4, 891), six different 4,4′‐diphenylmethane diisocyanate (MDI)‐based poly(carbonate urethane)s (PCUs) that exhibited various degrees of nanophase separation were synthesized and characterized. In the present work, these PCUs were used as a model system to study the effect of nanometric structures on the biocompatibility of polyurethane. Human blood platelet activation, monocyte activation, protein adsorption, and bacterial adhesion on PCU were investigated in vitro. It was found that human blood platelets as well as monocytes were less activated on the PCU surfaces with a greater degree of nanophase separation in general. This phenomenon was closely associated with the lower ratio of human fibrinogen/albumin competitively adsorbed on these surfaces. Bacterial adhesion was also inhibited in some nanophase‐separated PCUs. The morphology of a platelet on a PCU studied here. magnified imageThe morphology of a platelet on a PCU studied here.

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Crossref · 10.1002/mabi.200400163

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Authors
Hsu, S., & Kao, Y.
Affiliations
National Chung Hsing University (TW)
Corresponding author
Hsu, Shan‐hui
Venue
Macromolecular Bioscience
Publisher
Wiley
Published
2005-03-14
Volume
5
Issue
3
Pages
246-253
ISSN
  • 1616-5187 (ISSN-L)
  • 1616-5195
OpenAlex
W2087184695
Cited by
39
References
26
Citations by year
2025: 1 · 2023: 2 · 2022: 2 · 2020: 1 · 2019: 1 · 2017: 1 · 2016: 2 · 2015: 2 · 2014: 4 · 2013: 3
FWCI
1.89
Type
journal article
Language
en
Open access
closed
Locations
  • Macromolecular Bioscience (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Surfaces, Coatings and Films › Polymer Surface Interaction Studies
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
  • Physical Sciences › Engineering › Biomedical Engineering › Bone Tissue Engineering Materials
Keywords
nanophase separation, biocompatibility, polyurethane, 4,4'-diphenylmethane diisocyanate, platelet activation, monocyte activation, protein adsorption, bacterial adhesion, nanostructured surfaces
MeSH terms
Bacillus subtilis, Biocompatible Materials, Blood Cells, Blood Physiological Phenomena, Humans, Polyurethanes, Nanotechnology

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