Results 41 to 50 of about 1,574,989 (184)

Recent Advances in the Synthesis and Antioxidant Activity of Low Molecular Mass Organoselenium Molecules

Molecules, 2023
Selenium is an essential trace element in living organisms, and is present in selenoenzymes with antioxidant activity, like glutathione peroxidase (GPx) and thioredoxin reductase (TrxR).
João M. Anghinoni, Paloma T. Birmann, Marcia J. da Rocha, Caroline S. Gomes, Michael J. Davies, César A. Brüning, Lucielli Savegnago, Eder J. Lenardão   +7 more
doaj   +1 more source

Synthesis of New Organoselenium Compounds: Characterization and Biological Studies

Macedonian Journal of Chemistry and Chemical Engineering, 2020
Two new organoselenium analogs, (3,3'-(1,2-phenylenebis(methylene))bis(2-selenoxo-2,3-dihydro-1H-imidazole-3,1-diyl))bis(methylene) dibenzoate (III) and 3,3'-(1,2-phenylenebis(methylene))bis(1-benzyl-1H-imidazole-2(3H)-selenone) (V), were derived from ...
Nimra Naz, Saima Saqib, Rizwan Ashraf, Muhammad Irfan Majeed, Muhammad Adnan Iqbal   +4 more
doaj   +1 more source

Sodium Selenate, Potassium Hydroxy-Selenide, Acetylselenide and Their Effect on Antioxidant Metabolism and Plant Nutrition and Yield in Sorghum Genotypes

Foods, 2023
Agronomic biofortification with selenium (Se) effectively reduces hidden hunger and increases the nutritional intake of Se in people and animals. Because sorghum is a staple diet for millions of people and is used in animal feed, it becomes a crop with ...
Patriciani Estela Cipriano, Rodrigo Fonseca da Silva, Cynthia de Oliveira, Alexandre Boari de Lima, Fabio Aurélio Dias Martins, Gizele Celante, Alcindo Aparecido dos Santos, Marcos Vinicio Lopes Rodrigues Archilha, Marcos Felipe Pinatto Botelho, Valdemar Faquin, Luiz Roberto Guimarães Guilherme   +10 more
doaj   +1 more source

Antimicrobial Coatings for Medical Textiles via Reactive Organo-Selenium Compounds

Molecules, 2023
Bleached and cationized cotton fabrics were chemically modified with reactive organoselenium compounds through the nucleophilic aromatic substitution (SNAr) reaction, which allowed for organo-selenium attachment onto the surface of cotton fabrics via ...
Ejajul Hoque, Phat Tran, Unique Jacobo, Nicholas Bergfeld, Sanjit Acharya, Julia L. Shamshina, Ted W. Reid, Noureddine Abidi   +7 more
doaj   +1 more source

Organoselenium-Catalyzed Cross-Dehydrogenative Coupling of Alkenes and Azlactones

, 2022
The carbon–carbon bond-forming cross-dehydrogenative coupling of alkenes and azlactones by organoselenium catalysis involving a high-valent para-methoxyphenyl selenium species is disclosed.
Xiaodan Zhao, Wei Wei, Wei Wei (21173), Xiaodan Zhao (136112)   +3 more
core   +1 more source

The effects of synthetic organoselenium compounds on nitric oxide in DMBA - induced rat liver [PDF]

, 2009
DMBA (7,12-dimethylbenz[a]anthracene) is known to generate DNA-reactive species during their metabolism, which may enhance oxidative stress in cells.
Talas, Zeliha Selamoglu, Bayraktar, Nihayet, Ozdemir, Ilknur, Yilmaz, Ismet, Gok, Yetkin   +4 more
core   +4 more sources

In vivo quantification of volatile organoselenium compounds released by bacteria exposed to selenium with HS-SPME-GC-MS. Effect of selenite and selenium nanoparticles

, 2021
Quantification of volatile organoselenium species released by Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), after their growth in the presence of 1 and 2 mg Se⋅L-1 as both selenite and chitosan modified selenium nanoparticles (Ch ...
Moreno Martín, Gustavo, León González, María Eugenia de, Madrid Albarrán, María Yolanda, Sanz Landaluce, Jon   +3 more
core   +1 more source

In Vitro Activity of Ebselen and Diphenyl Diselenide Alone and in Combination with Drugs against Trichophyton mentagrophytes Strains

Pharmaceutics, 2022
Background: Dermatophytoses are one of the most prevalent infectious diseases in the world for which the pace of developing new drugs has not kept pace with the observed therapeutic problems.
Sebastian Gnat, Dominik Łagowski, Mariusz Dyląg, Grzegorz Jóźwiak, Aleksandra Trościańczyk, Aneta Nowakiewicz   +5 more
doaj   +1 more source

Reduction of Diphenyl Diselenide and Analogs by Mammalian Thioredoxin Reductase Is Independent of Their Gluthathione Peroxidase-Like Activity: A Possible Novel Pathway for Their Antioxidant Activity

Molecules, 2010
Since the successful use of the organoselenium drug ebselen in clinical trials for the treatment of neuropathological conditions associated with oxidative stress, there have been concerted efforts geared towards understanding the precise mechanism of ...
João Batista Teixeira Rocha, Diego Alves, Lisiane Oliveira Porciúncula, Jéssie Haigert Sudati, Caroline Wagner, Andressa Sausen de Freitas, Alessandro de Souza Prestes, Ige Joseph Kade   +7 more
doaj   +1 more source

Stereoselective Synthesis of Selenium-Containing Glycoconjugates via the Mitsunobu Reaction

Molecules, 2021
A simple and efficient route for the synthesis of new glycoconjugates has been developed. The approach acts as a model for a mini-library of compounds with a deoxy-selenosugar core joined to a polyphenolic moiety with well-known antioxidant properties ...
Luigia Serpico, Mauro De Nisco, Flavio Cermola, Michele Manfra, Silvana Pedatella   +4 more
doaj   +1 more source