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Polymers
Special Issues
New Advances in Molecularly Imprinted Polymer
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New Advances in Molecularly Imprinted Polymer

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Analysis and Characterization".

Deadline for manuscript submissions: 1 September 2024 | Viewed by 1143

Special Issue Editor

Prof. Dr. Jae Sup Shin

E-Mail Website
Guest Editor
Department of Chemistry, Chungbuk National University, Cheongju, Republic of Korea
Interests: functional polymer; molecularly imprinted polymer; hard coating; latent curing epoxy resin; polyurethane; polydiacetylene; sol–gel process; controlled release

Special Issue Information

Dear Colleagues,

Molecularly imprinted polymers (MIPs) are a field of science that mimics nature. The aim is to imprint the target molecule onto a polymer to create sites that can be used, akin to the binding sites of enzymes. This concept was introduced by Polyakov in 1931 and by Dickey in 1949, and since then, significant progress has been made, particularly in 1972 by Wulff, and research in this area has been steadily advancing. While the recognition ability of these formed sites is much lower compared to enzymes, research in this field holds significant value in terms of cost-effectiveness, as it can be manufactured using very inexpensive materials and simple processes. Most of the research so far has focused on methods to enhance the low recognition ability even slightly. Over time, a wide variety of polymeric materials and methods have been used to form MIPs. This Special Issue will provide an excellent opportunity to explore recent advancements in this field.

Prof. Dr. Jae Sup Shin
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • molecular imprinting
  • recognition ability
  • biomimic
  • target molecule
  • sensor

Published Papers (2 papers)

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Research

10 pages, 2258 KiB  
Article
Two-Dimensional Estrone-Imprinted System on a Self-Assembled Monolayer
by Min Jae Shin and Jae Sup Shin
Polymers 2024, 16(14), 2035; https://doi.org/10.3390/polym16142035 - 17 Jul 2024
Viewed by 230
Abstract
In this study, a thin poly (methyl methacrylate) coating was formed on a self-assembled monolayer formed on a gold plate after chemically binding estrone. Subsequently, the estrone molecules were hydrolyzed and extracted using a solvent to form a molecular-imprinted system. The estrone-imprinted gold [...] Read more.
In this study, a thin poly (methyl methacrylate) coating was formed on a self-assembled monolayer formed on a gold plate after chemically binding estrone. Subsequently, the estrone molecules were hydrolyzed and extracted using a solvent to form a molecular-imprinted system. The estrone-imprinted gold plate was then used as a working electrode to measure the estrone recognition ability through electrochemical methods. The recognition ability of this working electrode was evaluated for similar compounds. The selectivity factors for the seven estrone analogs were measured, and these values ranged from 0.19 to 0.67. According to the experimental results, the estrone-imprinted system showed good differentiation of estrone from other estrone analogs. Comparing these selectivity factors with those of a previous study on a cholesterol-imprinted system, the relative molecular size difference between the target molecule and similar molecules had a significant impact on the selectivity factor. Full article
(This article belongs to the Special Issue New Advances in Molecularly Imprinted Polymer)
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20 pages, 5051 KiB  
Article
Enhancement in Sensitivity and Selectivity of Electrochemical Technique with CuO/g-C3N4 Nanocomposite Combined with Molecularly Imprinted Polymer for Melamine Detection
by Dalawan Limthin, Piyawan Leepheng, Benchapol Tunhoo, Annop Klamchuen, Songwut Suramitr, Thutiyaporn Thiwawong and Darinee Phromyothin
Polymers 2024, 16(13), 1800; https://doi.org/10.3390/polym16131800 (registering DOI) - 25 Jun 2024
Viewed by 719
Abstract
This study focused on enhancing the sensitivity and selectivity to detect melamine by utilizing a photoelectrochemical method. This was achieved by combining a melamine-imprinted polymer with a CuO/g-C3N4 nanocomposite, which was synthesized through chemical precipitation and calcination. The resulting nanocomposite [...] Read more.
This study focused on enhancing the sensitivity and selectivity to detect melamine by utilizing a photoelectrochemical method. This was achieved by combining a melamine-imprinted polymer with a CuO/g-C3N4 nanocomposite, which was synthesized through chemical precipitation and calcination. The resulting nanocomposite exhibits improved carrier mobility and photoelectrochemical properties. A molecularly imprinted receptor for selective detection was created through bulk polymerization with methacrylic acid and a melamine template. The characterization of the nanocomposite was performed using X-ray photoelectron spectroscopy for the chemical oxidation state, X-ray diffraction patterns for the crystalline structure, and ultraviolet/visible/near-infrared spectroscopy for optical properties. The CuO/g-C3N4 nanocomposite exhibits photoactivity under visible light. The modified electrode, incorporating the CuO/g-C3N4 nanocomposite and melamine-imprinted polymer, demonstrates a linear detection range of 2.5 to 50 nM, a sensitivity of 4.172 nA/nM for melamine, and a low detection limit of 0.42 nM. It shows good reproducibility and high selectivity to melamine, proving effective against interferences and real samples, showcasing the benefits of the molecularly imprinted polymer. Full article
(This article belongs to the Special Issue New Advances in Molecularly Imprinted Polymer)
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