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Line 85: ==== Hydrophilic Coatings ==== Hydrophilic coatings can reduce friction in the arteries by up to 83% when compared to bare wires due to their high surface energy.<ref name=friction>{{cite journal \|pmid=8485751 \|year=1993 \|last1=Schröder \|first1=J \|title=The mechanical properties of guidewires. Part III: Sliding friction \|volume=16 \|issue=2 \|pages=93–7 \|journal=Cardiovascular and interventional radiology \|doi=10.1007/BF02602986}}</ref> When the hydrophilic coatings come into contact with bodily fluids they form a waxy surface texture that allows the wire to slide easily through the arteries. Guide wires with hydrophilic coatings have increased trackability and are not very thrombogenic; however the low coefficient of friction increases the risk of the wire slipping and perforating the artery.<ref name=techniques>{{cite journal \|first1=Andrejs \|last1=Erglis \|first2=Inga \|last2=Narbute \|first3=Dace \|last3=Sondore \|first4=Alona \|last4=Grave \|first5=Sanda \|last5=Jegere \|title=Tools & Techniques: coronary guidewires \|journal=EuroIntervention \|url=http://www.pcronline.com/eurointervention/tools-and-techniques/coronary-guidewires/download_pdf.php \|pmid=20542813 \|year=2010 \|volume=6 \|issue=1 \|pages=168–9 \|doi=10.4244/eijv6i1a24 ~~\|doi_brokendate=June 16, 2013~~}}</ref> ==== Hydrophobic Coatings ====

Biomaterial surface modifications: Difference between revisions