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Inorganics
Special Issues
Recent Advances in Biological and Catalytic Applications of Metal Complexes
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Recent Advances in Biological and Catalytic Applications of Metal Complexes

A special issue of Inorganics (ISSN 2304-6740). This special issue belongs to the section "Bioinorganic Chemistry".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 5217

Special Issue Editor

Dr. José M. Méndez-Arriaga

E-Mail Website
Guest Editor
COMET-NANO Group Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Móstoles, E-28933 Madrid, Spain
Interests: metal complexes; nanomaterials; biological applications

Special Issue Information

Dear Colleagues,

The structure and properties of metal complexes have been explored with significant interest in the last century, increasing the focus on their potential biological and catalytical applications year after year. The extraordinary variety of uses that can be given to these compounds has led the scientific community to establish strong research lines in the search for new metal complexes and find novel applications for those previously characterized. In this Special Issue, we wish to cover the most recent advances in biological and catalytical applications of metal complexes by hosting a mix of original research articles and short critical reviews.

Dr. José M. Méndez-Arriaga
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. Inorganics 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

  • metal complex
  • coordination chemistry
  • biological assays
  • catalysis
  • new applications
  • organic ligands

Published Papers (4 papers)

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Research

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14 pages, 2545 KiB  
Article
Circular Dichroism Spectroscopic Studies on Solution Chemistry of M(II)-Monensinates in Their Competition Reactions
by Máté Levente Kis, Bálint Hajdu, Petar Dorkov, Ivayla Pantcheva and Béla Gyurcsik
Inorganics 2023, 11(8), 334; https://doi.org/10.3390/inorganics11080334 - 13 Aug 2023
Viewed by 926
Abstract
The chirality of the polyether ionophore monensic acid A can be successfully used to study its coordination ability in solution. A complementary approach to gain new insights into the complexation chemistry of the antibiotic (studied previously by circular dichroism (CD) spectroscopy in the [...] Read more.
The chirality of the polyether ionophore monensic acid A can be successfully used to study its coordination ability in solution. A complementary approach to gain new insights into the complexation chemistry of the antibiotic (studied previously by circular dichroism (CD) spectroscopy in the ultraviolet range (UV-CD)) is presented. (1) Methods: The CD spectroscopy in the visible (VIS-CD) and near-infrared (NIR-CD) range is applied to evaluate the affinity of deprotonated monensic acid A (monensinate A) towards Ni(II) or Co(II) cations in methanolic solution. Competition experiments between a variety of colorless divalent metal ions for binding the ligand anion were also performed. (2) Results: The stability constants of the species observed in binary Ni(II)/Co(II)-monensinate systems and their distribution were reevaluated with the VIS- and NIR-CD techniques. The data confirmed the formation of mono and bis complexes depending on the metal-to-ligand molar ratio. The studies on the systems containing two competing divalent metal cations exclude the formation of ternary complex species but provide an opportunity to also calculate the stability constants of Zn(II), Mg(II), and Ca(II) monensinates. (3) Conclusions: The advantages of CD spectroscopy in the VIS-NIR range (“invisible” ligand and metal salts, “visible” chiral complex species) simplify the experimental dataset evaluation and increase the reliability of computed results. Full article
(This article belongs to the Special Issue Recent Advances in Biological and Catalytic Applications of Metal Complexes)
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Review

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22 pages, 6407 KiB  
Review
An Old Material for a New World: Prussian Blue and Its Analogues as Catalysts for Modern Needs
by Isabella Concina
Inorganics 2024, 12(4), 124; https://doi.org/10.3390/inorganics12040124 - 22 Apr 2024
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Abstract
Prussian blue analogues (PBAs) have recently emerged as effective materials in different functional applications, ranging from energy storage to electrochemical water splitting, thence to more “traditional” heterogeneous catalysis. Their versatility is due to their open framework, compositional variety, and fast and efficient internal [...] Read more.
Prussian blue analogues (PBAs) have recently emerged as effective materials in different functional applications, ranging from energy storage to electrochemical water splitting, thence to more “traditional” heterogeneous catalysis. Their versatility is due to their open framework, compositional variety, and fast and efficient internal charge exchange, coupled with a self-healing ability that makes them unique. This review paper presents and discusses the findings of the last decade in the field of the catalytic and photocatalytic application of PBAs in water remediation (via the degradation of organic pollutants and heavy metal removal) and the catalytic oxidation of organics and production or organic intermediates for industrial synthesis. Analysis of the catalytic processes is approached from a critical perspective, highlighting both the achievements of the research community and the limits still affecting this field. Full article
(This article belongs to the Special Issue Recent Advances in Biological and Catalytic Applications of Metal Complexes)
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28 pages, 16426 KiB  
Review
Metal Complexes with Schiff Bases as Antimicrobials and Catalysts
by Domenico Iacopetta, Jessica Ceramella, Alessia Catalano, Annaluisa Mariconda, Federica Giuzio, Carmela Saturnino, Pasquale Longo and Maria Stefania Sinicropi
Inorganics 2023, 11(8), 320; https://doi.org/10.3390/inorganics11080320 - 28 Jul 2023
Cited by 3 | Viewed by 1879
Abstract
Complexes of Schiff bases (SBs) with metals are promising compounds exhibiting a broad range of applications, such as catalysts, polymers, dyes, and several biological activities, including antimicrobial, anticancer, antioxidant, antimalarial, analgesic, antiviral, antipyretic, and antidiabetic actions. Considering the crisis that the whole world [...] Read more.
Complexes of Schiff bases (SBs) with metals are promising compounds exhibiting a broad range of applications, such as catalysts, polymers, dyes, and several biological activities, including antimicrobial, anticancer, antioxidant, antimalarial, analgesic, antiviral, antipyretic, and antidiabetic actions. Considering the crisis that the whole world is now facing against antimicrobial-resistant bacteria, in the present review, we chose to focus on the activity of SBs as antimicrobials, particularly underlying the most recent studies in this field. Finally, some interesting catalytic applications recently described for metal complexes with SBs have also been discussed. Full article
(This article belongs to the Special Issue Recent Advances in Biological and Catalytic Applications of Metal Complexes)
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20 pages, 3278 KiB  
Review
On the Current Status of Ullmann-Type N-Arylation Reactions Promoted by Heterogeneous Catalysts
by Ágnes Mastalir and Árpád Molnár
Inorganics 2023, 11(7), 276; https://doi.org/10.3390/inorganics11070276 - 27 Jun 2023
Viewed by 1381
Abstract
Ullmann-type C–N heterocoupling reactions have been applied for the syntheses of N-arylated amines. In the past decade, transition metal-catalyzed N-arylations have been recognized as particularly efficient procedures for the preparation of nitrogen-containing aromatic systems. These reactions typically carried out under optimized [...] Read more.
Ullmann-type C–N heterocoupling reactions have been applied for the syntheses of N-arylated amines. In the past decade, transition metal-catalyzed N-arylations have been recognized as particularly efficient procedures for the preparation of nitrogen-containing aromatic systems. These reactions typically carried out under optimized conditions, have also been found to be suitable for the synthesis of complex molecules with other functional groups, including natural products, drugs, or pharmaceuticals. Most importantly, copper-catalyzed N-arylations have been studied and employed in the total synthesis of biologically active compounds. The construction of fused N-heterocyclic compounds also remained the subject of extensive research because of their potential applications in drug discovery and the development of functional materials. The aim of this review is to summarize the recent progress in the synthetic applications of Ullmann-type N-arylation reactions performed in heterogeneous systems. In particular, the utilization of copper and palladium species immobilized on various support materials, modified by surface functionalization, has been discussed and evaluated. Full article
(This article belongs to the Special Issue Recent Advances in Biological and Catalytic Applications of Metal Complexes)
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