Antioxidant
Mostrando 25-36 de 3064 artigos, teses e dissertações.
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25. Neonatal diseases and oxidative stress in premature infants: an integrative review
Abstract Objective To describe the relationship of oxidative stress and antioxidant biomarkers in cord blood of premature newborns and the prognosis of diseases in the neonatal period. Sources This study consists of an integrative review. Searches were conducted in electronic databases Scopus, PubMed, Web of Science, and Medline/Lilacs through the Virtual
Jornal de Pediatria. Publicado em: 2022
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26. Anti-Zika Virus Effects, Placenta Protection and Chemical Composition of Passiflora edulis Seeds Ethanolic Extract
Various beneficial biological activities have been reported for passion fruit (Passiflora edulis), grown in tropical and subtropical regions. However, no study has yet demonstrated its action against the Zika virus (ZIKV) infection. The present study aimed to investigate the anti-ZIKV of the ethanolic passion fruit seed extract (PFSE), from which, liquid chr
Journal of the Brazilian Chemical Society. Publicado em: 2022
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27. Seleno- and Telluro-Functionalization of Quinones: Molecules with Relevant Biological Application
Quinones and organochalcogens are classes of compounds with great biological applicability, such as antioxidant, anticancer, anti-Alzheimer, and antidepressant activities, among others. Thus, the combination of these two classes of compounds is important to obtain new hits with biological activities that are additive or synergistic. Several methodologies for
Journal of the Brazilian Chemical Society. Publicado em: 2022
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28. SALICILATOS COMO INIBIDORES DO PROCESSO OXIDATIVO MEDIADO POR COBRE E FERRO NO BIODIESEL B100
Biodiesel is a renewable fuel produced from vegetable oils and animal fats transesterification. However, due to its chemical characteristics, it is susceptible to oxidation causing losses to its manufacturers and users. In this work a series of salicylates were synthesized and employed as secondary antioxidants in biodiesel B100. The accelerated oxidation te
Química Nova. Publicado em: 2022
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29. Predictive value of oxidative, antioxidative, and inflammatory status for left ventricular systolic recovery after percutaneous coronary intervention for ST-segment elevation myocardial infarction
SUMMARY OBJECTIVE: This study aimed to evaluate the association between left ventricular ejection fraction recovery and the total oxidant status, total antioxidant capacity, and high-sensitivity C-reactive protein levels. METHODS: A total of 264 ST-elevation myocardial infarction patients were classified into two groups according to baseline and 6-month fo
Revista da Associação Médica Brasileira. Publicado em: 2022
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30. Characterization of Commercially Available Turmeric for Use in Pharmaceutical Products and Food Supplements
We addressed some physicochemical and biological differences in commercial turmeric, acquired from both handling pharmacies and stores selling natural products for quality assessment. For this, it was determined the melting point, antioxidant activity by 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH), antimicrobial activity via the agar disk-diffusion assay,
Journal of the Brazilian Chemical Society. Publicado em: 2022
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31. Determination of 3,4,5-Trihydroxybenzoic Acid Exploiting a Visible-Light-Driven Photoelectrochemical Platform: Application in Wine and Tea Samples
The present work is based on the development and application of a photoelectrochemical method for the amperometric determination of 3,4,5-trihydroxybenzoic acid in different samples. The method is based on the use of a photoelectrochemical platform based on a glass slide coated with fluorine-doped tin oxide, which has been modified with cadmium sulfide and p
Journal of the Brazilian Chemical Society. Publicado em: 2022
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32. Reperfusion Strategies in Acute Myocardial Infarction: State of the Art
Abstract ST elevation myocardial infarction (STEMI) is a highly prevalent condition worldwide. Reperfusion therapy is strongly associated with the prognosis of STEMI and must be performed with a high standard of quality and without delay. A systematic review of different reperfusion strategies for STEMI was conducted, including randomized controlled trials t
International Journal of Cardiovascular Sciences. Publicado em: 2022
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33. Antitumor activity of irinotecan with ellagic acid in C6 glioma cells
SUMMARY OBJECTIVE: Irinotecan-based combination chemotherapies in malignant gliomas need to be examined. The aim of this study was to investigate the synergetic effect of ellagic acid, a natural polyphenolic antioxidant compound, with irinotecan, an inhibitor of topoisomerase I enzyme, on the growth, cadherin switch, and angiogenic processes of a glioma cel
Revista da Associação Médica Brasileira. Publicado em: 2022
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34. Antioxidant profile of hot and sweet pepper cultivars by two extraction methods
RESUMO A pimenta malagueta está entre os vegetais mais importantes do mundo. Sua demanda revela notável e rápido aumento de sua importância, principalmente devido à sua composição nutracêutica. Essas frutas são ricas em capsaicinóides, compostos fenólicos, carotenóides e outros, incluindo vitaminas. Neste estudo, foi realizada uma avaliação com
Horticultura Brasileira. Publicado em: 2022
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35. Pavonia Cav. SPECIES (MALVACEAE SENSU LATO) AS SOURCE OF NEW DRUGS: A REVIEW
Pavonia Cav., is a genus in the Malvaceae sensu lato family, containing 271 species with worldwide distribution, although with a higher diversity in America and Asia. Species from this genus are traditionally used in folk medicine with several biological activities, arousing scientific interest on the search for the substances responsible for such activities
Química Nova. Publicado em: 2022
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36. Additive Manufacturing towards the Fabrication of Greener Electrochemical Sensors for Antioxidants
Additive manufacturing is an emerging tool that has contributed to the sustainable fabrication of devices in several areas based on the concept of “zero waste”. Considering extrusion-based manufacturing (or 3D printing), polylactic acid (PLA) has been highlighted due to its biodegradability, obtention from renewable sources, and compatibility for 3D prin
Journal of the Brazilian Chemical Society. Publicado em: 2022