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Vapor sensing characteristics of nanoelectromechanical chemical sensors functionalized using surface-initiated polymerization.


ABSTRACT: Surface-initiated polymerization has been used to grow thick, uniform poly(methyl methacrylate) films on nanocantilever sensors. Cantilevers with these coatings yielded significantly greater sensitivity relative to bare devices as well as relative to devices that had been coated with drop-cast polymer films. The devices with surface-initiated polymer films also demonstrated high selectivity toward polar analytes. Surface-initiated polymerization can therefore provide a straightforward, reproducible method for large-scale functionalization of nanosensors.

SUBMITTER: McCaig HC 

PROVIDER: S-EPMC5297368 | biostudies-literature | 2014 Jul

REPOSITORIES: biostudies-literature

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Vapor sensing characteristics of nanoelectromechanical chemical sensors functionalized using surface-initiated polymerization.

McCaig Heather C HC   Myers Ed E   Lewis Nathan S NS   Roukes Michael L ML  

Nano letters 20140624 7


Surface-initiated polymerization has been used to grow thick, uniform poly(methyl methacrylate) films on nanocantilever sensors. Cantilevers with these coatings yielded significantly greater sensitivity relative to bare devices as well as relative to devices that had been coated with drop-cast polymer films. The devices with surface-initiated polymer films also demonstrated high selectivity toward polar analytes. Surface-initiated polymerization can therefore provide a straightforward, reproduci  ...[more]

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