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Preparation of a Nanopatterned Polymer Replica for Reducing Catheter Infection
Date
2014-01-01
Author
Liu, Luting
Ercan, Batur
Sun, Linlin
Webster, Thomas J.
Ni, Siyu
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Polydimethylsiloxane (PDMS) has been used for short and long-term indwelling catheters. However, PDMS shunt tubing has been scrutinized recently because of their extremely high failure rates. While there are many reasons why PDMS shunt systems fail, one is catheter-associated infection.[1] It is hypothesized that nanotextured and nanotubular surfaces can be carefully manipulated to inhibit bacteria responses while remaining non-toxic due to their unique surface energy properties which have the ability to control initial protein absorption and subsequent cell behaviors. The objective of this in vitro study was to create nanopatterned PDMS molds based on anodized titanium (Ti) and anodized stainless steel (S.S) and test fibroblast and bacteria responses on such substrates. Results show promise for the use of such nanopatterned PDMS for improving catheter applications.
Subject Keywords
PDMS
,
Anodization
,
Nanostructure
,
Fibroblast
URI
https://hdl.handle.net/11511/42665
DOI
https://doi.org/10.1109/nebec.2014.6972857
Collections
Department of Metallurgical and Materials Engineering, Conference / Seminar