Special Issue "Polymers for Chemosensing II"

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

Deadline for manuscript submissions: 31 October 2019.

Special Issue Editors

Prof. Po-Chih Yang
E-Mail Website
Guest Editor
Department of Chemical Engineering and Materials Science, Yuan Ze University, No.135, Yuan-Tung Road, Chung-Li, Taoyuan City 32003, Taiwan
Interests: linear and hyperbranched conjugated polymers in chemosensors, RAFT living radical polymerization and self-assembly, D-π-A conjugated molecules and their intra-molecular energy/charge transfers, CdSe/conjugated polymer organic/inorganic composites
Special Issues and Collections in MDPI journals
Prof. Chi-Ching Kuo
E-Mail Website
Guest Editor
Department of Molecular Science & Organic Polymeric Materials Engineering, National Taipei University of Technology, No.1, Sec. 3, Zhongxiao E. Road, Taipei 10608, Taiwan
Interests: electrospun nanofiber technology, optoelectronic polymers and sensing device, biomedical polymers and tissue engineering, metal-ions sensing fluorescent filters

Special Issue Information

Dear Colleagues,

This Special Issue of Polymers is dedicated to the synthesis and functionalization of polymers for chemosensing. Recently, the development of conjugated and biomedical polymers has attracted increasing attention because of their use as highly sensitive fluorescent chemosensors for sensing various analytes and detecting metal ions and biological species in environmental applications by applying color or fluorescence intensities. The targets of fluorescent polymeric probes have extended from chemical species (e.g., ions and molecules) to physical parameters (e.g., temperature and pH). Fluorescent polymeric chemosensors are occasionally superior to small organic and inorganic fluorescent chemosensors in terms of sensitivity, robustness, and multiple functionalities. For instance, the chemical signals that are converted into electronic or optical signals when these polymers bind with an analyte can be transformed and enhanced effectively.

This Special Issue is a platform for all researchers to develop a novel fluorescent polymeric probe and to establish a new analytical method using a conventional fluorescent polymeric probe. This issue covers the synthesis, characterization, and chemosensory properties of polymers and hybrid organic-inorganic polymer composites. Contributions related to molecular design, synthesis, processing, and applications, together with those devoted to structure/property correlations of polymers and polymer composites, will be welcomed. The aim of this issue is to update recent knowledge and broaden our perspective on polymers in chemosensing for environmental and medical applications. We want to promote the previous Special Issue, Polymers for Chemosensing (https://www.mdpi.com/si/polymers/polymersforchemosensing). At the same time, we intend to continue collecting valuable papers encompassing this popular topic through this newly opened Special Issue to popularize the work among scholars.

Prof. Po-Chih Yang
Prof. Chi-Ching Kuo
Guest Editors

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 papers will be 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 monthly 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 1500 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

  • polymer synthesis 
  • polymer composites 
  • optical properties 
  • fluorescent chemosensors 
  • functional materials
  • fluorescence enhancement/fluorescence quenching 
  • charge transfer/electron transfer

Published Papers (2 papers)

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Research

Open AccessArticle
A Highly Selective Turn-on and Reversible Fluorescent Chemosensor for Al3+ Detection Based on Novel Salicylidene Schiff Base-Terminated PEG in Pure Aqueous Solution
Polymers 2019, 11(4), 573; https://doi.org/10.3390/polym11040573 - 27 Mar 2019
Abstract
The development of highly selective and sensitive chemosensors for Al3+ detection in pure aqueous solution is still a significant challenge. In this work, a novel water-soluble polymer PEGBAB based on salicylidene Schiff base has been designed and synthesized as a turn-on fluorescent [...] Read more.
The development of highly selective and sensitive chemosensors for Al3+ detection in pure aqueous solution is still a significant challenge. In this work, a novel water-soluble polymer PEGBAB based on salicylidene Schiff base has been designed and synthesized as a turn-on fluorescent chemosensor for the detection of Al3+ in 100% aqueous solution. PEGBAB exhibited high sensitivity and selectivity to Al3+ over other competitive metal ions with the detection limit as low as 4.05 × 10−9 M. PEGBAB displayed high selectivity to Al3+ in the pH range of 5–10. The fluorescence response of PEGBAB to Al3+ was reversible in the presence of ethylenediaminetetraacetic acid (EDTA). Based on the fluorescence response, an INHIBIT logic gate was constructed with Al3+ and EDTA as two inputs. Moreover, test strips based on PEGBAB were fabricated facilely for convenient on-site detection of Al3+. Full article
(This article belongs to the Special Issue Polymers for Chemosensing II)
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Open AccessArticle
Novel Multifunctional Luminescent Electrospun Fluorescent Nanofiber Chemosensor-Filters and Their Versatile Sensing of pH, Temperature, and Metal Ions
Polymers 2018, 10(11), 1259; https://doi.org/10.3390/polym10111259 - 13 Nov 2018
Cited by 2
Abstract
Novel multifunctional fluorescent chemosensors composed of electrospun (ES) nanofibers with high sensitivity toward pH, mercury ions (Hg2+), and temperature were prepared from poly(N-Isopropylacrylamide-co-N-methylolacrylamide-co-rhodamine derivative) (poly(NIPAAm-co-NMA-co-RhBN2AM)) by employing an electrospinning [...] Read more.
Novel multifunctional fluorescent chemosensors composed of electrospun (ES) nanofibers with high sensitivity toward pH, mercury ions (Hg2+), and temperature were prepared from poly(N-Isopropylacrylamide-co-N-methylolacrylamide-co-rhodamine derivative) (poly(NIPAAm-co-NMA-co-RhBN2AM)) by employing an electrospinning process. NIPAAm and NMA moieties provide hydrophilic and thermo-responsive properties (absorption of Hg2+ in aqueous solutions), and chemical cross-linking sites (stabilization of the fibrous structure in aqueous solutions), respectively. The fluorescent probe, RhBN2AM is highly sensitive toward pH and Hg2+. The synthesis of poly(NIPAAm-co-NMA-co-RhBN2AM) with different compositions was carried on via free-radical polymerization. ES nanofibers prepared from sensory copolymers with a 71.1:28.4:0.5 NIPAAm:NMA:RhBN2AM ratio (P3 ES nanofibers) exhibited significant color change from non-fluorescent to red fluorescence while sensing pH (the λPL, max exhibited a 4.8-fold enhancement) or Hg2+ (at a constant Hg2+ concentration (10−3 M), the λPL, max of P3-fibers exhibited 4.7-fold enhancement), and high reversibility of on/off switchable fluorescence emission at least five times when Hg2+ and ethylenediaminetetraacetic acid (EDTA) were sequentially added. The P3 ES nanofibrous membranes had a higher surface-to-volume ratio to enhance their performance than did the corresponding thin films. In addition, the fluorescence emission of P3 ES nanofibrous membranes exhibited second enhancement above the lower critical solution temperature. Thus, the ES nanofibrous membranes prepared from P3 with on/off switchable capacity and thermo-responsive characteristics can be used as a multifunctional sensory device for specific heavy transition metal (HTM) in aqueous solutions. Full article
(This article belongs to the Special Issue Polymers for Chemosensing II)
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