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Molecularly Imprinted Electrochemical Sensors: Analytical and Pharmaceutical Applications Based on Ortho-Phenylenediamine Polymerization

[ Vol. 16 , Issue. 4 ]

Author(s):

Burcin Bozal-Palabiyik*, Cem Erkmen and Bengi Uslu*   Pages 350 - 366 ( 17 )

Abstract:


Background: The molecular imprinting technique has been applied in many fields including separation, artificial antibody mimics, catalysis, sensing studies, and drug delivery. The reasons for the popularity of this technique among the researchers are high selectivity due to the cavities that are formed on the polymer surface for the specific analyte, high robustness, high durability under extreme conditions and low cost. When these advantages are combined with the advantages of electrochemical methods such as rapid response time, ease of use, cheapness and miniaturizability, Molecularly Imprinted Polymer (MIP) based electrochemical sensors turn out to be a widely-preferred sensing tool.

Objective: This article provides the reader with information on MIP-based electrochemical sensors and reviews the applications of the MIP sensors prepared by electropolymerization of orthophenylenediamine, a monomer whose mechanical and chemical stability is very high.

Results and Conclusion: The literature survey summarized in this review shows that cyclic voltammetry is the most widely preferred electrochemical technique for electropolymerization of o-PD. The media chosen is generally acetate or phosphate buffers with different pH values. Although there are numerous solvents used for template removal, generally methanol and NaOH have been chosen.

Keywords:

Analysis, electrochemical sensors, molecularly imprinted polymer, ortho-phenylenediamine, Molecularly Imprinted Polymer (MIP), electropolymerization.

Affiliation:

Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560 Yenimahalle, Ankara, Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560 Yenimahalle, Ankara, Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560 Yenimahalle, Ankara

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