Results 1 to 10 of about 107,378 (149)
Xanthine oxidase (XO) is an enzyme involved in the oxidative process of hypoxanthine and xanthine to uric acid (UA). This process also produces reactive oxygen species (ROS) as byproducts.
Miguel F. S. de Abreu +4 more
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Inhibitory capacity of extracts and main constituents of hop flowers
Background Hops (Humulus lupulus Linn.) produce flowers that are used on an industrial scale to impart sensory properties to beer and have some pharmacologic properties already published in the literature.
Francisco Mateus Gomes do Nascimento +7 more
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Heptamethine cyanine dyes were synthesized in good yields by the reaction between quaternary indoles and a pentamethinic salt, under mild reaction conditions minimizing photooxidation.
Louise Kommers Reimann +7 more
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Nitroimidazoles are pharmacophoric groups responsible for important antiparasitic activity against several infectious diseases. 2-Nitroimidazoles are found in some antiparasitic drugs and are one of the main moieties responsible for the biological ...
Afonso Santine M. M. Velez +5 more
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Cyclins are a family of proteins characterized by possessing a cyclin box domain that mediates binding to cyclin dependent kinases (CDKs) partners. In this study, the search for a partner cyclin of the PHO85-1 CDK retrieved PCL-1 an ortholog of yeast ...
Jonatas Erick Maimoni Campanella +8 more
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Study Toward the Total Synthesis of Pyrenophorin
Macrodiolides are macrocyclic compounds containing two ester groups in a cyclic chain. Of this class of compounds, Pyrenophorin (1) shows antifungal activity, and is produced from the pathogenic fungus Pyrenophora avenae.
Everaldo F. Santos Filho +3 more
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Flavonóis glicosilados antioxidantes de Nectandra grandiflora (Lauraceae)
The bioassay-guided fractionation of the ethanol extract from Nectandra grandiflora leaves led to the isolation of two flavonol glycosides which inhibited the bleaching of b -carotene on the TLC assay.
Alan Bezerra Ribeiro +2 more
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Soybean oil transesterification: Study of using Nb2O5.xH2O as catalyst in biodiesel production
Economic and environmental reasons show a trend towards replacing fossil fuels with biofuels such as those from triglycerides. Biodiesel can be obtained from vegetable oils and animal fat through several processes such as transesterification ...
Deborah A. dos Santos +4 more
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A novel curcumin analog namely 2-chloro-4,6-bis{(E)-3-methoxy-4-[(4-methoxybenzyl)oxy]-styryl}pyrimidine (compound 7) was synthesized by three-step reaction. The condensation reaction of protected vanillin with 2-chloro-4,6-dimethylpyrimidine (6) was the
Otávio Augusto Chaves +5 more
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Brazilian contributions to alcohol dehydrogenases-catalyzed reactions throughout the 21st century
Biocatalysis is well-established in (bio)chemical sciences and Brazil has significantly contributed to the growth of this theme. In this context, herein we have compiled the advances in alcohol dehydrogenases-catalyzed biotransformations in the last two ...
Jullyane da Silva de Oliveira Gomes +4 more
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