Now showing items 31-40 of 42
The use of standard methodology for determination of antifungal activity of natural products against medical yeasts Candida sp and Cryptococcus sp
(Brazilian Journal of Microbiology, 2007-09-01) [Artigo]
Metodologias para determinar atividade antifúngica foram desenvolvidas com adaptações para avaliar produtos naturais. As mais usadas são bioautografia e o método de difusão em agar, que empregam meios de cultura complexos, ...
Development of a rapid one-step immunochromatographic assay for HCV core antigen detection
(Journal of Virological Methods, 2009-06-01) [Artigo]
The hepatitis C virus (HCV) core protein possesses amino acid sequences highly conserved among HCV isolates and has proved useful for various diagnostic tests. To date, no information has been published regarding the ...
Horseradish peroxidase-catalyzed oxidation of rifampicin: Reaction rate enhancement by co-oxidation with anti-inflammatory drugs
(Biological and Pharmaceutical Bulletin, 2005-10-01) [Artigo]
The tuberculostatic drug rifampicin has been described as a scavenger of reactive species. Additionally, the recent demonstration that oral therapy with a complex of rifampicin and horseradish peroxidase (HRP) was more ...
Hylin a1, the first cytolytic peptide isolated from the arboreal South American frog Hypsiboas albopunctatus ('spotted treefrog')
(Peptides, 2009-02-01) [Artigo]
RP-HPLC fractionation of the electrically stimulated skin secretion of the arboreal South American frog Hypsiboas albopunctaturs (spotted treefrog) led to the isolation of a cytolytic C-terminally amidated peptide. This ...
Emprego de compostos organometálicos mononucleares de paládio(II) na ativação de macrófagos peritoneais de camundongos
(Química Nova, 2005-06-01) [Artigo]
The immune responses are mediated by a variety of cells that, when activated, produce a number of molecules. Macrophages are the first cells to take part in the immune response releasing many compounds in the extracellular ...
Studies of an active peptide isolated from Hyla biobeba and its synthetic analogues
(Amino Acids, 2009-07-01) [Resumo]
Cryptomoschatone D2 from Cryptocarya mandioccana: cytotoxicity against human cervical carcinoma cell lines
(Revista de Ciências Farmacêuticas Básica e Aplicada, 2009) [Artigo]
Among the substances isolated from Cryptocarya sp, some styrylpyrones, such as goniothalamin, demonstrate antiproliferative activity in a broad range of human cell lines. In the present study, we assessed the cytotoxicity ...
Byrsonima fagifolia: An integrative study to validate the gastroprotective, healing, antidiarrheal, antimicrobial and mutagenic action
(Journal of Ethnopharmacology, 2008-11-20) [Artigo]
Ethnopharmacological relevance: Ethnopharmacological survey indicated leaves of Byrsonima fagifolia Nied. (Malpighiaceae) against gastrointestinal disorders.Aim of the study:The methanolic extract from the leaves of Byrsonima ...
In vitro cytotoxic activity of planifolin isolated from Paepalanthus planifolius (Eriocaulaceae) on murine mammary and lung adenocarcinoma cell lines
(Annual Review of Biomedical Sciences, 2005) [Artigo]
CCR5 genotype and plasma ß-chemokine concentration of Brazilian HIV-infected individuals
(Brazilian Journal of Medical and Biological Research, 2002-11-01) [Artigo]
The 32-bp deletion in the HIV-1 co-receptor CCR5 confers a high degree of resistance to HIV-1 infection in homozygous individuals for the deleted allele and partial protection against HIV-1 during disease progression in ...