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Sensors 2016, 16(9), 1381; doi:10.3390/s16091381

Surface Plasmon Resonance-Based Fiber Optic Sensors Utilizing Molecular Imprinting

Physics Department, Indian Institute of Technology Delhi, New Delhi 110016, India
This is an invited paper.
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Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 18 July 2016 / Revised: 17 August 2016 / Accepted: 25 August 2016 / Published: 29 August 2016
(This article belongs to the Special Issue Optical Fiber Sensors 2016)
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Abstract

Molecular imprinting is earning worldwide attention from researchers in the field of sensing and diagnostic applications, due to its properties of inevitable specific affinity for the template molecule. The fabrication of complementary template imprints allows this technique to achieve high selectivity for the analyte to be sensed. Sensors incorporating this technique along with surface plasmon or localized surface plasmon resonance (SPR/LSPR) provide highly sensitive real time detection with quick response times. Unfolding these techniques with optical fiber provide the additional advantages of miniaturized probes with ease of handling, online monitoring and remote sensing. In this review a summary of optical fiber sensors using the combined approaches of molecularly imprinted polymer (MIP) and the SPR/LSPR technique is discussed. An overview of the fundamentals of SPR/LSPR implementation on optical fiber is provided. The review also covers the molecular imprinting technology (MIT) with its elementary study, synthesis procedures and its applications for chemical and biological anlayte detection with different sensing methods. In conclusion, we explore the advantages, challenges and the future perspectives of developing highly sensitive and selective methods for the detection of analytes utilizing MIT with the SPR/LSPR phenomenon on optical fiber platforms. View Full-Text
Keywords: optical fiber; sensor; surface plasmon resonance; molecular imprinting optical fiber; sensor; surface plasmon resonance; molecular imprinting
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Gupta, B.D.; Shrivastav, A.M.; Usha, S.P. Surface Plasmon Resonance-Based Fiber Optic Sensors Utilizing Molecular Imprinting. Sensors 2016, 16, 1381.

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