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Magnetochemistry
Special Issues
Application of Magnetic Materials in Environmental Remediation
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Application of Magnetic Materials in Environmental Remediation

A special issue of Magnetochemistry (ISSN 2312-7481). This special issue belongs to the section "Applications of Magnetism and Magnetic Materials".

Deadline for manuscript submissions: closed (30 March 2023) | Viewed by 3504

Special Issue Editors

Dr. Hamid Rashidi Nodeh

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Guest Editor
Food Technology and Agricultural Products Research Center, Standard Research Insti-tute (SRI), Karaj, Iran
Interests: analytical chemistry; adsorption and magnetic materials
Dr. Syed Shahabuddin

E-Mail Website
Guest Editor
Department of Chemistry, School of Technology, Pandit Deendayal Energy University, Raisan, Gujarat 382426, India
Interests: catalyst; nanomaterials and water treatment
Dr. Mohammad Faraji

E-Mail Website
Guest Editor
Food Technology and Agricultural Products Research Center, Standard Research Insti-tute (SRI), Karaj, Iran
Interests: magnetic nanoparticles; analytical chemistry and synthesis

Special Issue Information

Dear Colleagues,

In recent years, the application of magnetic materials as an adsorbent in water treatment and pollutant remediation techniques has received considerable attention because the collection of water pollutants has been greatly simplified by using an external magnetic field. The magnetic properties simplify the water treatment and reduce the processing time. In this Special Issue, we will consider the most recent and outstanding application and review works on the use of magnetic materials for pollutant adsorption/removal purposes for publication. This Special Issue is also open to publishing articles dealing with the preparation, advantages, limitations, and possible interactions of different types of magnetic adsorbents, including nanocomposites, sponges, foams, beads, and hydrogels. Finally, papers discussing the role of magnetic adsorbents in analytical sample preparation methods, such as solid phase extraction, magnetic solid phase extraction, etc., will also be considered. 

Dr. Hamid Rashidi Nodeh
Dr. Syed Shahabuddin
Dr. Mohammad Faraji
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. Magnetochemistry 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

  • magnetic nanoparticles
  • pollutant removal
  • sample preparation
  • adsorption equilibrium
  • adsorption kinetics

Published Papers (2 papers)

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Research

15 pages, 3887 KiB  
Article
Solid Phase Extraction Penicillin and Tetracycline in Human Serum Using Magnetic Graphene Oxide-Based Sulfide Nanocomposite
by Hassan Sereshti, Sara Soltani, Nanthini Sridewi, Elham Salehi, Ehsan Parandi, Hamid Rashid Nodeh and Syed Shahabuddin
Magnetochemistry 2023, 9(5), 132; https://doi.org/10.3390/magnetochemistry9050132 - 19 May 2023
Cited by 5 | Viewed by 1444
Abstract
Herein, we report a procedure for separating and preconcentrating antibiotics from human serum using a novel adsorbent of magnetic graphene oxide (MGO) and cadmium sulfide (CdS) nanoparticles. The adsorbent (MGO@CdS) was characterized using Fourier transformed infrared spectrometry (FT-IR), energy dispersive X-ray spectroscopy (EDX), [...] Read more.
Herein, we report a procedure for separating and preconcentrating antibiotics from human serum using a novel adsorbent of magnetic graphene oxide (MGO) and cadmium sulfide (CdS) nanoparticles. The adsorbent (MGO@CdS) was characterized using Fourier transformed infrared spectrometry (FT-IR), energy dispersive X-ray spectroscopy (EDX), and field emission scanning electron microscopy (FE-SEM). The effective parameters for extraction efficiency were investigated, including the desorption solvent’s nature, pH, adsorbent dose, salt concentration, extraction time, and volume of sample solution and desorption solvent. The proposed procedure proved to be fast (20 min), simple (two stages), and cost-effective (20 mg of nanoparticles). Under the optimum conditions, satisfactory linearity (R2 > 0.992) was obtained, and limits of detection (LOD) were estimated as 4.5 µg L−1 (for tetracycline) and 5.7 µg L−1 (for penicillin) and a linear dynamic range (LDR) from 20 to 200 µg L−1. The magnetic solid phase extraction (MSPE) method based on MGO@CdS has achieved a satisfactory recovery (71.5–109.5%) in human serum for the selected antibiotics. Finally, the antibiotic’s release was studied in simulated fluids of the gastric (pH = 1.2) and intestine (pH = 7.4). In this light, we demonstrate that the newly introduced adsorbent can be used in drug extraction from different biological media. Full article
(This article belongs to the Special Issue Application of Magnetic Materials in Environmental Remediation)
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15 pages, 4140 KiB  
Article
Comparative Study of the Photocatalytic Degradation of Crystal Violet Using Ferromagnetic Magnesium Oxide Nanoparticles and MgO-Bentonite Nanocomposite
by Sally E. A. Elashery, Islam Ibrahim, Hassanien Gomaa, Mohamed M. El-Bouraie, Ihab A. Moneam, Shimaa S. Fekry and Gehad G. Mohamed
Magnetochemistry 2023, 9(2), 56; https://doi.org/10.3390/magnetochemistry9020056 - 12 Feb 2023
Cited by 13 | Viewed by 1708
Abstract
In this work, the exploitation of the synthesized magnesium oxide nanoparticles and MgO-bentonite nanocomposite as an effective photocatalyst has been reported. They were utilized to study their applicability for the photocatalytic degradation of crystal violet in wastewater. Fourier-transform infrared (FTIR) spectra, X-ray powder [...] Read more.
In this work, the exploitation of the synthesized magnesium oxide nanoparticles and MgO-bentonite nanocomposite as an effective photocatalyst has been reported. They were utilized to study their applicability for the photocatalytic degradation of crystal violet in wastewater. Fourier-transform infrared (FTIR) spectra, X-ray powder diffraction (XRPD), energy-dispersive X-ray spectroscopy (EDX), and transmission electron microscope (TEM) were used for characterization. The photocatalytic efficiency of the synthesized photocatalysts for CV decomposition has been optimized in terms of several factors such as pH, contact time, the dose of the catalyst, and the dye concentration. The maximum degradation efficiency of CV was found to be 99.19% at the optimum state of pH value of 7, using 0.2 g of MgO NPs, while in the case of MgO-bentonite nanocomposite, the maximum degradation efficiency was decreased to 83.38%. The photocatalytic reaction mechanism was investigated using the scavenging reaction process, revealing that holes were majorly responsible for the degradation of CV. The kinetic data were suitable and best fitted by the pseudo-first-order kinetic model. Full article
(This article belongs to the Special Issue Application of Magnetic Materials in Environmental Remediation)
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