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Chemosensors
Special Issues
State-of-the-Art Chemical Sensors in Spain
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State-of-the-Art Chemical Sensors in Spain

A special issue of Chemosensors (ISSN 2227-9040).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1420

Special Issue Editors

Prof. Dr. Joaquín Ángel Ortuño

E-Mail Website
Guest Editor
Department of Analytical Chemistry, Faculty of Chemistry, University of Murcia, 30100-Murcia, Spain
Interests: chemical sensors; ion-selective electrodes; electrochemistry at the interface between two immiscible electrolyte solutions (ITIESs)
Special Issues, Collections and Topics in MDPI journals
Dr. José M. Olmos

E-Mail Website
Guest Editor
Department of Analytical Chemistry, Faculty of Chemistry, University of Murcia, 30100 Murcia, Spain
Interests: ion-selective electrodes; voltametric techniques at solid/liquid and liquid/liquid interfaces; modelling chemical systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Spain is recognized globally as one of the leading countries in sensors research. To showcase the breadth, depth, and quality of this research, we are planning to publish a Special Issue, entitled “State-of-the-Art Chemical Sensors in Spain”.

The aim of this Special Issue is to provide a comprehensive view of the state-of-the-art chemical sensors in Spain. Research articles and reviews that provide a comprehensive insight into the state of the art in Spain of any aspect related to novel sensor development and applications are welcome. Topics of interest include, but are not limited to, the following:

  • Chemosensors;
  • Chemical sensors;
  • Biosensors;
  • Electrochemical sensors;
  • Molecular imprinting sensors;
  • Gas sensors;
  • Colorimetric sensors;
  • Voltammetry sensors;
  • Sensing and imaging;
  • Lab-on-a-chip technology;
  • Microfluidic devices;
  • Nanobiosensors;
  • Biomedical sensors;
  • Optical chemical sensors.

Prof. Dr. Joaquín Ángel Ortuño
Dr. José M. Olmos
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 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. Chemosensors 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 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

  • chemosensors
  • chemical sensors
  • biosensors
  • electrochemical sensors
  • molecular imprinting sensors
  • gas sensors
  • colorimetric sensors
  • voltammetry sensors
  • sensing and imaging
  • lab-on-a-chip technology
  • microfluidic devices
  • nanobiosensors
  • biomedical sensors
  • optical chemical sensors

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Published Papers (1 paper)

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Research

12 pages, 3007 KiB  
Article
Real-Time Potentiometric Monitoring of Tetrachloroaurate(III) with an Ion-Selective Electrode and Its Applications to HAuCl4 Iodide-Catalyzed Reduction by Hydroxylamine
by Carmen María Almagro-Gómez, José Ginés Hernández-Cifre and Joaquín Ángel Ortuño
Chemosensors 2024, 12(6), 95; https://doi.org/10.3390/chemosensors12060095 - 1 Jun 2024
Viewed by 751
Abstract
Ion-selective electrodes for tetrachloroaurate(III) have been developed for potentiometric monitoring of the reduction reaction of tetrachloroaurate(III). Three different plasticized polyvinyl chloride membranes containing tridodecymethylammonium chloride as an anion exchanger were investigated. These membranes differ in the plasticizer used, either 2-nitrophenyl octyl ether (NPOE) [...] Read more.
Ion-selective electrodes for tetrachloroaurate(III) have been developed for potentiometric monitoring of the reduction reaction of tetrachloroaurate(III). Three different plasticized polyvinyl chloride membranes containing tridodecymethylammonium chloride as an anion exchanger were investigated. These membranes differ in the plasticizer used, either 2-nitrophenyl octyl ether (NPOE) or tricresyl phosphate (TCP) or bis-(2-ethylhexyl) sebacate (DOS). The potentiometric response of the electrodes to the tetrachloroaurate(III) concentration was studied by two methods. In the first method, commonly used in the calibration of ion-selective electrodes, successive tetrachloroaurate(III) concentration increments were used and the potential was allowed to stabilize after each concentration step. The second method was developed to mimic the tetrachloroaurate(III) reduction reaction in which there is a continuous decrease in the concentration of tetrachloroaurate(III). This was achieved by continuously diluting an initial concentration of tetrachloroaurate(III) by pumping a diluent solution while keeping the sample volume constant. This method gave an excellent linear response to the tetrachloroaurate(III) concentration. The calibrated electrodes were used for the potentiometric monitoring of the kinetics of a newly observed reaction: the reduction of tetrachloroaurate(III) by hydroxylamine catalyzed by iodide. A mechanism for this reaction is proposed on the basis of the experimental results obtained. Full article
(This article belongs to the Special Issue State-of-the-Art Chemical Sensors in Spain)
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