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Saturday, January 31, 2015


Carbon nanotubes found to create blood clots in medical devices

January 26, 2015
Scanning electron micrographs of multiwall-carbon-nanotube-modified PVC prior to (top) and after (bottom) perfusion, showing platelet aggregation (credit: Alan M. Gaffney et al./Nanomedicine)
Scientists in the School of Pharmacy and Pharmaceutical Sciences in Trinity College Dublin, have discovered that using carbon nanotubes as biomaterials that come into contact with blood generates blood clots.
The reason: When blood comes into contact with foreign surfaces, the blood’s protective platelets are activated, creating blood clots.
This can be catastrophic in clinical settings where extracorporeal circulation technologies are used, such as during heart-lung bypass, in which the blood is circulated in PVC tubing outside the body.
Their findings are reported in an open-access paper published in the January issue of the journal Nanomedicine./.../

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