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Development and Application of Atomic Spectroscopy Techniques to Biology, Health...
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Development and Application of Atomic Spectroscopy Techniques to Biology, Health and Veterinary Research

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Analytical Chemistry".

Deadline for manuscript submissions: closed (30 November 2023) | Viewed by 1464

Special Issue Editor

Dr. Monica Felipe-Sotelo

E-Mail Website
Guest Editor
Department of Chemistry, University of Surrey, Guildford, UK
Interests: analytical chemistry; atomic spectroscopy; heavy metals; metalloids; toxic elements; essential element; chemometrics

Special Issue Information

Dear Colleagues,

Analytical methods for the detection and quantification of elements in biological samples are critical for the advance of research in multiple areas of human and animal health. These include the investigation of the role of the essential role of metals and metalloids in metabolism and immune responses; the development of metal-containing drugs for more effective therapeutic treatment as well as the assessment of the impact and mechanism of action of toxic metal(loid)s in biota. The complexity of the biological matrices, and the low concentration of some of the elements present in these samples make it necessary to continue the advancements in the development and validation of accurate, precise, and very sensitive atomic spectroscopy analytical techniques.

Dr. Monica Felipe-Sotelo
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. Molecules 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

  • analytical atomic spectroscopy
  • elemental analysis
  • toxic elements
  • essential elements
  • biological samples
  • analytical method development

Published Papers (1 paper)

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Research

12 pages, 1902 KiB  
Article
Development and Application of an Atomic Absorption Spectrometry-Based Method to Quantify Magnesium in Leaves of Dioscorea polystachya
by David Krüger, Alexander Weng and Daniel Baecker
Molecules 2024, 29(1), 109; https://doi.org/10.3390/molecules29010109 - 23 Dec 2023
Viewed by 1256
Abstract
The Chinese yam (Dioscorea polystachya, DP) is known for the nutritional value of its tuber. Nevertheless, DP also has promising pharmacological properties. Compared with the tuber, the leaves of DP are still very little studied. However, it may be possible to [...] Read more.
The Chinese yam (Dioscorea polystachya, DP) is known for the nutritional value of its tuber. Nevertheless, DP also has promising pharmacological properties. Compared with the tuber, the leaves of DP are still very little studied. However, it may be possible to draw conclusions about the plant quality based on the coloration of the leaves. Magnesium, as a component of chlorophyll, seems to play a role. Therefore, the aim of this research work was to develop an atomic absorption spectrometry-based method for the analysis of magnesium (285.2125 nm) in leaf extracts of DP following the graphite furnace sub-technique. The optimization of the pyrolysis and atomization temperatures resulted in 1500 °C and 1800 °C, respectively. The general presence of flavonoids in the extracts was detected and could explain the high pyrolysis temperature due to the potential complexation of magnesium. The elaborated method had linearity in a range of 1–10 µg L−1 (R2 = 0.9975). The limits of detection and quantification amounted to 0.23 µg L−1 and 2.00 µg L−1, respectively. The characteristic mass was 0.027 pg, and the recovery was 96.7–102.0%. Finally, the method was applied to extracts prepared from differently colored leaves of DP. Similar magnesium contents were obtained for extracts made of dried and fresh leaves. It is often assumed that the yellowing of the leaves is associated with reduced magnesium content. However, the results indicated that yellow leaves are not due to lower magnesium levels. This stimulates the future analysis of DP leaves considering other essential minerals such as molybdenum or manganese. Full article
(This article belongs to the Special Issue Development and Application of Atomic Spectroscopy Techniques to Biology, Health and Veterinary Research)
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