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Now showing items 1-10 of 31
Analysis of the Paracoccidioides brasiliensis triosephosphate isomerase suggests the potential for adhesin function
(FEMS Yeast Research, 2007-12-01) [Artigo]
Paracoccidioides brasiliensis is an important fungal pathogen. The disease it causes, paracoccidioidomycosis (PCM), ranges from localized pulmonary infection to systemic processes that endanger the life of the patient. ...
In vitro antimicrobial efficiency of a mouthwash containing triclosan/gantrez and sodium bicarbonate
(Brazilian Oral Research, 2007-12-31) [Artigo]
Several antiseptic substances have been used as adjuncts to routine mechanical procedures of oral hygiene, based on their antimicrobial effects. The objective of this study was to assess in vitro the antimicrobial efficiency ...
Genotyping, serotyping and determination of mating-type of Cryptococcus neoformans clinical isolates from São Paulo State, Brazil
(Revista do Instituto de Medicina Tropical de São Paulo, 2007-02-01) [Artigo]
Cryptococcus neoformans, pertencente à classe dos basidiomicetos, é um importante patógeno, principalmente em pacientes imunocomprometidos. Neste estudo, 47 isolados clínicos de C. neoformans de várias regiões do Estado ...
Antioxidant activity of Agaricus blazei
(Fitoterapia, 2007-04-01) [Artigo]
The ethanolic extract of Agaricus blazei and ethyl acetate and hydroalcoholic fractions were evaluated for their antioxidant activity. (C) 2007 Elsevier B.V. All rights reserved.
Water deprivation and the double- depletion hypothesis: common neural mechanisms underlie thirst and salt appetite
(Brazilian Journal of Medical and Biological Research, 2007-05-01) [Artigo]
Water deprivation-induced thirst is explained by the double-depletion hypothesis, which predicts that dehydration of the two major body fluid compartments, the extracellular and intracellular compartments, activates signals ...
Comparative study of disk diffusion and microdilution methods for evaluation of antifungal activity of natural compounds against medical yeasts Candida spp and Cryptococcus sp
(Revista de Ciências Farmacêuticas Básica e Aplicada, 2007-12-01) [Artigo]
Antifungal activity of natural products has been tested by adapting methods designed for synthetic drugs. In this study, two methods for the determination of antifungal activity of natural products, agar diffusion and broth ...
Profile of Maytenus aquifolium action over free radicals and reactive oxygen species
(Revista Brasileira de Ciencias Farmaceuticas/Brazilian Journal of Pharmaceutical Sciences, 2007-07-01) [Artigo]
Reactive oxygen species (ROS) and free radical species have been implicated in initiating, accompanying or causing many diseases in living organisms; there is thus, a continual need for antioxidants molecules to inactivate ...
Does cotinine act upon reactive oxygen species and peroxidases?
(Eclética Química, 2007-06-19) [Artigo]
Nicotine, an oxidizing agent, is certainly one of the most widely used alkaloids in the world. It is, together with its main metabolite, cotinine, responsible for tobacco-dependence. The use of tobacco is closely associated ...
The reactivity of oytho-methoxy-substituted catechol radicals with sulfhydryl groups: Contribution for the comprehension of the mechanism of inhibition of NADPH oxidase by apocynin
(Biochemical Pharmacology, 2007-08-01) [Artigo]
Redox processes are involved in the mechanism of action of NADPH oxidase inhibitors such as diphenyleneiodonium and apocynin. Here, we studied the structure-activity relationship for apocynin and analogous ortho-methoxy- ...
cDNA representational difference analysis used in the identification of genes expressed by Trichophyton rubrum during contact with keratin
(Microbes And Infection / Institut Pasteur, 2007) [Artigo]
Dermatophytes are adapted to infect skin, hair and nails by their ability to utilize keratin as a nutrient source. Trichophyton rubrum is an anthropophilic fungus, causing up to 90% of chronic cases of dermatophytosis. The ...