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Modification of polymer surfaces: optimization of approaches
J M Courtney1, X B Zhao, H Qian
1Bioengineering Unit, University of Strathclyde, Glasgow, UK. j.courtney@strath.ac.uk
Perfusion
|April 24, 2003
Summary
Incorporating cyclodextrins into plasticized vinyl chloride (PVC) improves biomaterial compatibility. This modification significantly reduces protein adsorption, enhancing the potential for clinical applications of these advanced biomaterials.
Area of Science:
- Polymer Science
- Biomaterials Science
- Surface Chemistry
Background:
- Improving biomaterial compatibility is crucial for clinical success.
- Surface modification techniques include altering hydrophilicity, charge, or attaching macromolecules.
- Incorporation methods offer potential advantages over surface treatments.
Purpose of the Study:
- To investigate the modification of plasticized vinyl chloride (PVC) via cyclodextrin incorporation.
- To evaluate the effect of cyclodextrin incorporation on protein adsorption to PVC surfaces.
Main Methods:
- Plasticized vinyl chloride (PVC) was modified by incorporating various types and quantities of cyclodextrins.
- Unmodified PVC served as a control.
- Fibrinogen adsorption was measured on both modified and unmodified surfaces.
Main Results:
- Cyclodextrin incorporation into PVC significantly reduced fibrinogen adsorption compared to controls.
- The extent of fibrinogen adsorption reduction was dependent on the specific type and concentration of cyclodextrin used.
Conclusions:
- Cyclodextrin incorporation is an effective method for modifying PVC surfaces to reduce protein adsorption.
- This approach offers a promising strategy for developing improved biomaterials with enhanced biocompatibility.