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Inorganics, Volume 8, Issue 9

2020 September - 7 articles

Cover Story: [Fe]-hydrogenase (Hmd) is the third type of hydrogenase, which catalyzes reversible hydride transfer from H2 to an organic substrate and contains the iron–guanylylpyridinol (FeGP) cofactor as the prosthetic group. In this article, Huang et al. report the crystal structures of an asymmetric homodimer of Hmd composed of two monomers with and without the FeGP cofactor, and two symmetric Hmd–homodimer structures in complex with guanosine monophosphate and guanylylpyridinol. The structure and reconstitution-kinetic analyses provided insights into the incorporation process of the FeGP cofactor into the Hmd protein in vivo. These results are important for constructing semi-synthetic Hmd using mimic complexes to develop effective H2-activation catalysts. View this paper
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Articles (7)

  • Article
  • Open Access
13 Citations
4,798 Views
18 Pages
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Enhanced Removal of Soluble and Insoluble Dyes over Hierarchical Zeolites: Effect of Synthesis Condition

  • Ani Iryani,
  • Ahmad Masudi,
  • Ade I. Rozafia,
  • Djoko Hartanto,
  • Mardi Santoso,
  • Hadi Nur and
  • Mohammad S. Azami
Inorganics2020, 8(9), 52;https://doi.org/10.3390/inorganics8090052

20 September 2020

A hierarchical zeolite ZSM-5 with micro and meso-pore was prepared by optimising the most affecting parameter in sequence of desilication and dealumination. The physicochemical properties of zeolite were characterised with XRD, nitrogen adsorption&nd...

Full Article
  • Article
  • Open Access
10 Citations
5,437 Views
12 Pages
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Study on Physicochemical and Thermal Properties of Tetrabutylammonium-Based Cation Ionic Salts Induced by Al2O3 Additive for Thermal Energy Storage Application

  • Inge M. Sutjahja,
  • Surjani Wonorahardjo and
  • Surjamanto Wonorahardjo
Inorganics2020, 8(9), 51;https://doi.org/10.3390/inorganics8090051

18 September 2020

The physicochemical and thermal properties of tetrabutylammonium bromide (TBA-Br) and tetrabutylammonium hexafluorophosphate (TBA-PF6), and their change with the addition of Al2O3, were investigated using infrared (IR) spectroscopy and by simultaneou...

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  • Article
  • Open Access
7 Citations
3,910 Views
15 Pages
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Crystal Structures of [Fe]-Hydrogenase from Methanolacinia paynteri Suggest a Path of the FeGP-Cofactor Incorporation Process

  • Gangfeng Huang,
  • Francisco Javier Arriaza-Gallardo,
  • Tristan Wagner and
  • Seigo Shima
Inorganics2020, 8(9), 50;https://doi.org/10.3390/inorganics8090050

17 September 2020

[Fe]-hydrogenase (Hmd) catalyzes the reversible heterolytic cleavage of H2, and hydride transfer to methenyl-tetrahydromethanopterin (methenyl-H4MPT+). The iron-guanylylpyridinol (FeGP) cofactor, the prosthetic group of Hmd, can be extracted from the...

Full Article
  • Article
  • Open Access
10 Citations
3,803 Views
11 Pages
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The Ca2+-ATPase Inhibition Potential of Gold(I, III) Compounds

  • Custódia Fonseca,
  • Gil Fraqueza,
  • Sónia A. C. Carabineiro and
  • Manuel Aureliano
Inorganics2020, 8(9), 49;https://doi.org/10.3390/inorganics8090049

30 August 2020

The therapeutic applications of gold are well-known for many centuries. The most used gold compounds contain Au(I). Herein, we report, for the first time, the ability of four Au(I) and Au(III) complexes, namely dichloro (2-pyridinecarboxylate) Au(III...

Full Article
  • Review
  • Open Access
28 Citations
11,326 Views
35 Pages
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Exploring Serum Transferrin Regulation of Nonferric Metal Therapeutic Function and Toxicity

  • Josué A. Benjamín-Rivera,
  • Andrés E. Cardona-Rivera,
  • Ángel L. Vázquez-Maldonado,
  • Christian Y. Dones-Lassalle,
  • Héctor L. Pabón-Colon,
  • Héctor M. Rodríguez-Rivera,
  • Israel Rodríguez,
  • Jean C. González-Espiet,
  • Jessika Pazol and
  • Arthur D. Tinoco
  • + 10 authors
Inorganics2020, 8(9), 48;https://doi.org/10.3390/inorganics8090048

29 August 2020

Serum transferrin (sTf) plays a pivotal role in regulating iron biodistribution and homeostasis within the body. The molecular details of sTf Fe(III) binding blood transport, and cellular delivery through transferrin receptor-mediated endocytosis are...

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  • Article
  • Open Access
7 Citations
5,161 Views
20 Pages
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Reactivity of Coordinated 2-Pyridyl Oximes: Synthesis, Structure, Spectroscopic Characterization and Theoretical Studies of Dichlorodi{(2-Pyridyl)Furoxan}Zinc(II) Obtained from the Reaction between Zinc(II) Nitrate and Pyridine-2-Chloroxime

  • Sokratis T. Tsantis,
  • Vlasoula Bekiari,
  • Demetrios I. Tzimopoulos,
  • Catherine P. Raptopoulou,
  • Vassilis Psycharis,
  • Athanasios Tsipis and
  • Spyros P. Perlepes
Inorganics2020, 8(9), 47;https://doi.org/10.3390/inorganics8090047

28 August 2020

This work reports our first results in the area of the reactivity of coordinated chloroximes. The 1:2:2:2 Zn(NO3)2∙6H2O/Eu(NO3)3∙6H2O/ClpaoH/Et3N reaction mixture in MeOH, where ClpaoH is pyridine-2-chloroxime, resulted in complex [ZnCl2(L)] (1); L i...

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  • Article
  • Open Access
12 Citations
4,106 Views
12 Pages
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Synthesis and Thermochromic Luminescence of Ag(I) Complexes Based on 4,6-Bis(diphenylphosphino)-Pyrimidine

  • Alexander V. Artem’ev,
  • Maria P. Davydova,
  • Alexey S. Berezin and
  • Denis G. Samsonenko
Inorganics2020, 8(9), 46;https://doi.org/10.3390/inorganics8090046

26 August 2020

Two Ag(I)-based metal-organic compounds have been synthesized exploiting 4,6-bis(diphenylphosphino)pyrimidine (L). The reaction of this ligand with AgNO3 and AgBF4 in acetonitrile produces dinuclear complex, [Ag2L2(MeCN)2(NO3)2] (1) and 1D coordinati...

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