Hypochlorous Acid
Mostrando 1-12 de 76 artigos, teses e dissertações.
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1. Nicotine as a Catalyst for Chlorination Promoted by Hypochlorous Acid: Experimental and Theoretical Studies
There is robust evidence of the hypochlorous acid (HClO)-mediated damage in biomolecules, and nicotine boosts the chlorination potency of HClO. We present experimental and theoretical evidence of the mechanism by which nicotine catalyzes the chlorination of pyranine. The rate constants for chlorination of pyranine by HClO were measured in the presence (5.3 �
Journal of the Brazilian Chemical Society. Publicado em: 2023
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2. Diethyl Selenodiglycolate: An Eco-Friendly Synthetic Antioxidant with Potential Application to Inflammatory Disorders
This study describes a single step, high yield and purity, ecofriendly and scalable procedure to prepare a selenium derivative (diethyl selenodiglycolate). Diethyl selenodiglycolate rapidly reduces hypochlorous acid (HOCl, second-order rate constant of 7 × 107 M−1 s−1) to generate its corresponding selenoxide. In activated HL-60 cells, diethyl selenodig
J. Braz. Chem. Soc.. Publicado em: 2020-06
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3. Case report of myeloperoxidase deficiency associated with disseminated paracoccidioidomycosis and peritoneal tuberculosis
Abstract Myeloperoxidase (MOP) is present in monocyte and neutrophil lysosomes, catalyzing hydrogen peroxide and chloride ion conversion to hypochlorous acid. MOP seems to destroy pathogens during phagocytosis by neutrophils and is considered an important defense against innumerous bacteria. We present a patient who had MOP deficiency, who presented with a s
Rev. Soc. Bras. Med. Trop.. Publicado em: 2017-08
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4. Viability and Effects on Bacterial Proteins by Oral Rinses with Hypochlorous Acid as Active Ingredient
Resumo: Este estudo investigou o efeito de enxaguantes à base de ácido hipocloroso (HOCl) e clorexidina (CHX) sobre a viabilidade bacteriana de S. mutans, A. israelii, P. gingivalis, A. actinomycetemcomitans, E. corrodens, C. rectus, K. oxytoca, K. pneumoniae e E. cloacae. O percentual de bactérias sobreviventes foi testado pelo método de fluorescência
Braz. Dent. J.. Publicado em: 2015-10
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5. The use of Hypochlorous Acid as a Model for Investigating Bladder Overactivity
Involuntary detrusor contractions play an important role in the development of urge incontinence. Also in an in-vitro situation contractions which develop spontaneously can be seen; a parallel with the in vivo observations is likely. In order to study this muscle overactivity we investigated the possibility to induce this phenomenon with oxidative stress usi
Int. braz j urol.. Publicado em: 2014-06
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6. Antioxidant effects of crude extracts from Baccharis species: inhibition of myeloperoxidase activity, protection against lipid peroxidation, and action as oxidative species scavenger
The objective of this study was to show a comparison of the antioxidant properties of aqueous and ethanolic extracts obtained from Baccharis articulata (Lam.) Pers., Baccharis trimera (Less.) DC., Baccharis spicata (Lam.) Baill. and Baccharis usterii Heering, Asteraceae, by several techniques covering a range of oxidant species and of biotargets. We have inv
Revista Brasileira de Farmacognosia. Publicado em: 20/05/2011
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7. Effect of aquatine endodontic cleanser on smear layer removal in the root canals of ex vivo human teeth
OBJECTIVES: The purpose of this study was to measure and compare the root canal cleanliness and smear layer removal effectiveness of Aquatine Endodontic Cleanser (Aquatine EC) when used as an endodontic irrigating solution in comparison with 6% sodium hypochlorite (NaOCl). MATERIAL AND METHODS: Forty-five human teeth were randomly allocated to five treatment
Journal of Applied Oral Science. Publicado em: 2010-08
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8. Characterization of the actions of Crotalus durissus terrificus venon on neutrophils functions / Caracterização das ações do veneno de Crotalus durissus terrificus sobre funções de neutrófilos
Previous studies showed that Crotalus durissus terrificus snake venom (CdtV) has long-lasting anti-inflammatory properties and inhibits the spreading and the phagocytic activity of peritoneal macrophages. Crotoxin (CTX), the main component of CdtV, is responsible for these effects. In addition, CdtV inhibits, in vitro and in vivo, the phagocytic activity of
Publicado em: 2010
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9. Adaptação de equipamento de geração de gases oxidantes para aplicação na desinfecção de água / Adaptation of generator oxidant gases equipament to aplication in water disinfection
Human consumption of water outside of the microbiological standards for drinking constitutes a health and disease risk factor. Through the process of infiltration in the soil, groundwater may be contaminated by the waste generated by human activity and deposited in the soil, waterways or air. The consumption of water in natura, captured in a spring, may lead
Publicado em: 2009
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10. Electrochemical degradation of textile dye Remazol Orange 3R using different electrodes / Degradação eletroquímica do corante têxtil Alaranjado Remazol 3R utilizando diferentes eletrodos
This paper will present the results obtained for the electrochemical degradation of textile dye Remazol Orange 3R. A filter-press cell was used with different electrodes: platinum polycrystalline, DSA® Ti/Ru0,3Ti0,7O2 and an electrode prepared by the Pechini method (Ti/Pt). The electrode Ti/Pt was prepared by deposition H2PtCl6.6H2O on a Ti substrate and
Publicado em: 2009
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11. Iron status and some phagocytes oxidative stress functions in the elderly with or without anemia, carriers of inflammation chronic diseases. / Status férrico e algumas funções do estresse oxidativo de fagócitos em idosos anêmicos ou não, portadores de doenças inflamatórias crônicas
Introdução. A Anemia das Doenças Crônicas (ADC) é uma desordem comum em idosos, freqüentemente multifatorial, e exacerbada por citocinas pró-inflamatórias. Nesta população, o diagnóstico de anemia por deficiência de ferro (ADF) é difícil utilizando-se os testes laboratoriais convencionais, devido à prevalência destes estados crônicos. Espéc
Publicado em: 2008
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12. Indole ring oxidation by activated leukocytes prevents the production of hypochlorous acid
Hypochlorous acid (HOCl) released by activated leukocytes has been implicated in the tissue damage that characterizes chronic inflammatory diseases. In this investigation, 14 indole derivatives, including metabolites such as melatonin, tryptophan and indole-3-acetic acid, were screened for their ability to inhibit the generation of this endogenous oxidant by
Brazilian Journal of Medical and Biological Research. Publicado em: 2005-11