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Current Advances on Solid Phase Extraction

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

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 1774

Special Issue Editor


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Guest Editor
Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
Interests: analytical chemistry; environmental chemistry; sample preparation; separation techniques; solid-phase extraction; nanomaterials

Special Issue Information

Dear Colleagues,

Solid-phase extraction (SPE) is an efficient sample preparation technique for cleaning up and concentrating samples before analysis. The SPE offers higher analyte selectivity and versatility for a wide range of sample volumes that are easily automated for high-throughput applications. Micro-solid-phase extraction (u-SPE) is a sorbent-based sample preparation technique, a simplified version of solid-phase extraction (SPE) comprising porous membrane protection. Several research groups are working on the modified versions of u-SPE to enhance the sample preparation efficiency. The significant advantages of u-SPE over the traditional SPE method are the reusability of the device and suitability to the complex environmental sample matrices. Since the sorbent is protected with a porous membrane in u-SPE, bigger particles and non-membrane biding interfering matrices are quickly eliminated. Hence, extraction and sample cleanup are performed in a single step.

This Special Issue “Current Advances on Solid Phase Extraction” aims to focus on the cutting-edge research related to solid-phase extraction. Specific topics include, but are not limited to, the sample preparation technique and also the recent and future advances. Manuscripts addressing other relevant and challenging problems are also strongly encouraged.

We cordially invite researchers working in this field to contribute original research articles, short communications, and critical review articles. Short papers on one compound will also be welcome.

Dr. Chanbasha Basheer
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

  • solid-phase extraction (SPE)
  • microextraction
  • sample preparation
  • nanomaterials
  • separation techniques

Published Papers (1 paper)

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Research

10 pages, 1074 KiB  
Article
Combination of Sea Sand Disruption Method and Ion-Pair Solid-Phase Extraction for Effective Isolation and Purification of Chlorogenic Acid from Plants Prior to the HPLC Determination
by Dorota Wianowska
Molecules 2022, 27(17), 5601; https://doi.org/10.3390/molecules27175601 - 31 Aug 2022
Cited by 1 | Viewed by 1341
Abstract
Chlorogenic acid (CQA) is one of phenolics commonly found in higher plants, possessing numerous health-promoting effects on humans. Unfortunately, it is easily degraded/transformed into other substances during extraction. Therefore, its reliable analysis requires a special approach that does not involve high temperatures. This [...] Read more.
Chlorogenic acid (CQA) is one of phenolics commonly found in higher plants, possessing numerous health-promoting effects on humans. Unfortunately, it is easily degraded/transformed into other substances during extraction. Therefore, its reliable analysis requires a special approach that does not involve high temperatures. This paper presents a very simple method of CQA isolation using the sea sand disruption method with subsequent purification of the extract using the ion-pair solid-phase extraction process, followed by HPLC–DAD detection. It was found that control of the ion pairing reagent concentration and sample pH is crucial to improve purification, and that the best results, with recovery exceeding 98%, were obtained for 0.05 M tetrabutylammonium bisulfate at pH 7 when the ion pairs were formed directly in the extract and eluted from the C18 sorbent using an acidified methanol–water mixture. The practical potential of the developed procedure was verified by using it for CQA isolation from different plants. The approach represents one of the contemporary analytical trends and current advances in the solid phase extraction, in which several sorption extraction techniques are combined to ensure high-quality analytical results. Full article
(This article belongs to the Special Issue Current Advances on Solid Phase Extraction)
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