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Reference type: Journal
Authors: Kara M, Uzun L, Kolayli S, Denizli A
Article Title: Combining molecular imprinted nanoparticles with surface plasmon resonance nanosensor for chloramphenicol detection in honey.
Publication date: 2013
Journal: Journal of Applied Polymer Science
Volume: 129
Issue: (4)
Page numbers: 2273-2279.
DOI: 10.1002/app.38936

Abstract: The focus of this article is to develop a surface plasmon resonance (SPR) nanosensor to determine chloramphenicol (CAP) using the molecularly imprinted nanoparticles. The CAP imprinted nanoparticles were prepared by miniemulsion polymerization method. Then, the nanoparticles were attached onto the SPR nanosensor surface via temperature-controlled evaporation. Surface characterization studies were performed with atomic force microscopy and contact angle measurements. Kinetic studies were performed with CAP solutions in the concentration range of 0.155-6.192 nM. Florphenicol (FLP) and thiamphenicol (TAP) having similar chemical structures to the template (i.e., CAP) were chosen as competitors to determine selectivity of the nanoparticles. Selectivity constants were observed as 8.86 for CAP/TAP and 8.36 for CAP/FLP. The detection limit was calculated as 40 ng/kg honey sample. In the light of these results, it was emphasized that the SPR nanosensor is able to recognize CAP selectively and has a potential for real-time CAP detection in honey sample. - 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Template and target information: chloramphenicol, CAP
Author keywords: emulsion polymerization, molecular imprinting, nanoparticles, SPR nanosensor, food safety

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