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Fabrication of nitric oxide-releasing polyurethane glucose sensor membranes.


ABSTRACT: Despite clear evidence that polymeric nitric oxide (NO) release coatings reduce the foreign body response (FBR) and may thus improve the analytical performance of in vivo continuous glucose monitoring devices when used as sensor membranes, the compatibility of the NO release chemistry with that required for enzymatic glucose sensing remains unclear. Herein, we describe the fabrication and characterization of NO-releasing polyurethane sensor membranes using NO donor-modified silica vehicles embedded within the polymer. In addition to demonstrating tunable NO release as a function of the NO donor silica scaffold and polymer compositions and concentrations, we describe the impact of the NO release vehicle and its release kinetics on glucose sensor performance.

SUBMITTER: Koh A 

PROVIDER: S-EPMC3186917 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Fabrication of nitric oxide-releasing polyurethane glucose sensor membranes.

Koh Ahyeon A   Riccio Daniel A DA   Sun Bin B   Carpenter Alexis W AW   Nichols Scott P SP   Schoenfisch Mark H MH  

Biosensors & bioelectronics 20110617 1


Despite clear evidence that polymeric nitric oxide (NO) release coatings reduce the foreign body response (FBR) and may thus improve the analytical performance of in vivo continuous glucose monitoring devices when used as sensor membranes, the compatibility of the NO release chemistry with that required for enzymatic glucose sensing remains unclear. Herein, we describe the fabrication and characterization of NO-releasing polyurethane sensor membranes using NO donor-modified silica vehicles embed  ...[more]

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