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The effect of TiO2 nanotubes in the enhancement of blood clotting for the control of hemorrhage

Paper ID Volume ID Publish Year Pages File Format Full-Text
10672 697 2007 6 PDF Available
Title
The effect of TiO2 nanotubes in the enhancement of blood clotting for the control of hemorrhage
Abstract

The main biological purpose of blood coagulation is formation of an obstacle to prevent blood loss of hydraulic strength sufficient to withstand the blood pressure. The ability to rapidly stem hemorrhage in trauma patients significantly impacts their chances of survival, and hence is a subject of ongoing interest in the medical community. Herein, we report on the effect of biocompatible TiO2 nanotubes on the clotting kinetics of whole blood. TiO2 nanotubes 10 μm long were prepared by anodization of titanium in an electrolyte comprised of dimethyl sulfoxide and HF, then dispersed by sonication. Compared to pure blood, blood containing dispersed TiO2 nanotubes and blood in contact with gauze pads surface-decorated with nanotubes demonstrated significantly stronger clot formation at reduced clotting times. Similar experiments using nanocrystalline TiO2 nanoparticles showed comparatively weaker clot strengths and increased clotting times. The TiO2 nanotubes appear to act as a scaffold, facilitating fibrin formation. Our results suggest that application of a TiO2 nanotube functionalized bandage could be used to help stem or stop hemorrhage.

Keywords
TiO2 nanotube; Blood clotting; Coagulation; Hemorrhage; Magnetoelastic sensor; Fibrin
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 28, Issue 31, November 2007, Pages 4667–4672
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us