AHA-BUCH

Biomedical Applications of Nitric Oxide-Releasing/Generating Polymers

Biomaterial, Diagnostic Sensors, and Beyond
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ISBN-13:
9783639119954
Einband:
Paperback
Seiten:
148
Autor:
Yiduo Wu
Gewicht:
237 g
Format:
220x150x9 mm
Sprache:
Englisch
Beschreibung:

Nitric oxide is secreted by vascularendothelium and can inhibit the activation and
adhesion of platelets, prevent inflammation and
induce vasodilation. Polymers that continuously
produces NO at their surfaces
are expected to exhibit enhanced biocompatibility.
In this work, the biocompatibility of novel
NO-releasing/generating materials has been evaluated
via both in vitro and in vivo studies.
An in vitro platelet adhesion assay has been designed
to quantify platelet adhesion on polymer surfaces via
their lactate dehydrogenase content. Such an assay
can be employed as a preliminary screening tool in
the assessment of new NO-releasing/generating
materials. In addition, the first in vivo evaluation
of NO-generating polymers was conducted. The
generation of NO via the decomposition of endogenous
S-nitrosothiols (RSNOs) showed enhanced
biocompatibility.
NO-generating polymers can also be utilized to
electrochemically detect
RSNO based on the decomposition to yield
NO. The advantage of the RSNO sensor is that
measurement can be made in whole blood samples
without any pretreatment, thereby minimizing any
artifacts associated with sample processing.

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