Chemosensors, Volume 13, Issue 4
2025 April - 38 articles
Cover Story: Molecularly imprinted polymers (MIPs) can be combined with optical fibers (OFs) to create a variety of sensor configurations utilizing extrinsic or intrinsic schemes. The paradigm change involves using a sensitive MIP-based core in optical waveguides rather than the evanescent field to monitor the MIP–analyte interaction. In this study, an innovative extrinsic optical fiber sensor was designed, realized, and tested by exploiting two silica OFs connected via a sensitive waveguide with a micrometer-size MIP–core. MIPs present several advantages over bio-receptors that can be exploited, and the proposed sensing approach stresses the capability of MIP receptors to produce an intensity-based sensor. As a proof of principle, an MIP of 2-furaldehyde (2-FAL) demonstrates the high sensitivity and selectivity of the sensor. View this paper
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Chemosensors - ISSN 2227-9040