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Analytical Chemistry: Techniques and Applications, 2nd Edition

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: 20 September 2026 | Viewed by 487

Special Issue Editors


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Guest Editor
Department of Chemistry and Physics-CCENS, Federal University of Espírito Santo, Vitoria-Gasteiz 29075-910, Brazil
Interests: HPLC; LC/MS; NMR; natural product; bioactive compounds; bioassays; analytical method validation; phytochemistry; chemical ecology; CG/MS; metabolomics; toxicity; phytotherapic; organic chemistry
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Research Center for Exact and Technological Sciences, Universidade de Franca, Franca 14404-600, Brazil
Interests: isolation; structural clarification; analytical studies; biologiacal tests and biotransformation of bioative plant secondary metabolites
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to highlight original research papers, articles, and reviews on recent developments in analytical chemistry, such as electroanalytical, spectroscopic analysis, and mass spectrometry. This Special Issue welcomes articles focusing on instrumentation development, improvements, and applications; new sensors and applications in analyzing and quantifying active principles from different matrices; and the validation and development of analytical methods and methodologies. Thus, articles on analytical chemistry applied to similar areas of science, such as organic chemistry, geosciences, biological sciences, nanotechnology, engineering, and environmental sciences, are encouraged.

Prof. Dr. Mario Ferreira Conceição Santos
Prof. Dr. Sergio Ambrosio
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 250 words) can be sent to the Editorial Office for assessment.

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. Applied Sciences 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 2400 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

  • analytical chemistry
  • method development
  • instrumentation
  • validation
  • organic matrices

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Published Papers (1 paper)

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Research

11 pages, 3257 KB  
Article
LC-MS Identification of Phthalates of Neopentyl/Propylene Glycol and Quaternary Ammonium Cations in Nail Conditioners
by Weronika Zbyszyńska, Rafał Frański, Błażej Gierczyk and Maciej Zalas
Appl. Sci. 2026, 16(10), 4618; https://doi.org/10.3390/app16104618 - 8 May 2026
Viewed by 129
Abstract
Nail cosmetics, such as nail polish or nail conditioners, are considered as safe; however, their use may be accompanied with risks, e.g., related to contact of allergens with the periungual skin or to the transfer of a small amount of cosmetic to other [...] Read more.
Nail cosmetics, such as nail polish or nail conditioners, are considered as safe; however, their use may be accompanied with risks, e.g., related to contact of allergens with the periungual skin or to the transfer of a small amount of cosmetic to other areas of the skin. Therefore, the identification of potentially dangerous ingredients of nail cosmetics is of importance. In this work non-volatile organic compounds present in nail conditioners were analyzed by high-pressure liquid chromatography-mass spectrometry. Unexpectedly, in two samples the esters of phthalic acid with neopentyl glycol and mixed esters of phthalic acid with neopentyl glycol/propylene glycol were detected. Their structures were deduced on the basis of characteristic fragmentation pathways. It is reasonable to suppose that these compounds were formed by the reaction between the ingredients of the analyzed samples. The second group of the detected non-volatile organic compounds were quaternary ammonium salts, which are quite common in cosmetic products. These compounds were most probably transferred to the conditioners from the material from the inside of barrels in which the nail conditioners were stored. Although the presence of detected non-volatile organic compounds in nail conditioners is not particularly dangerous to human health, it is worth knowing that they can occur in the analyzed type of cosmetic products. Full article
(This article belongs to the Special Issue Analytical Chemistry: Techniques and Applications, 2nd Edition)
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