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Marc Bompart, Yannick De Wilde and Karsten Haupt Chemical Nanosensors Based on Composite Molecularly Imprinted Polymer Particles and Surface-Enhanced Raman Scattering Advanced Materials 22

Article first published online: 30 MAR 2010 | DOI: 10.1002/adma.200904442

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Chemical nanosensors with a submicrometer core–shell composite design, based on a polymer core, a molecularly imprinted polymer (MIP) shell for specific analyte recognition, and an interlayer of gold nanoparticles for signal amplification, are described. SERS measurements on single nanosensors yield detection limits of 10−7 M for the β-blocker propranolol, several orders of magnitude lower than on plain MIP spheres.

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