Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 133, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2020.116043
Keywords
Core-shell MIP particles; Molecular imprinting; Optical sensors; Electrochemical sensors; Surface imprinting techniques
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Funding
- National Research Foundation of Korea (NRF) - Ministry of Science, ICT & Future Planning [2016R1E1A1A01940995]
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Molecularly imprinted polymers (MIPs) are promising materials for analytical applications because of their structural predictability and recognition specificity. However, the applications of conventional MIPs suffer in a practical sense due to several defects (e.g., deeply embedded cavities, incomplete removal of the template, non-uniform distribution of binding sites, and slow rebinding kinetics). Core-shell nano particles coated with MIPs can be an attractive alternative to overcome such limitations. The core-shell structure offers a high surface area with a uniform distribution of binding sites to facilitate the removal of the template molecule and subsequent rebinding of the target molecule at high mass transfer efficiency. This work provides a comprehensive review of the classes of core-shell MIPs such as solid single, solid composite, and hollow core forms. The utility of novel and emerging core-shell MIPs is described for applications in optical, electrochemical, and piezoelectric sensors along with the associated challenges and opportunities. (C) 2020 Elsevier B.V. All rights reserved.
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