Now showing items 1-10 of 61
Topical Application of Retinyl Palmitate-Loaded Nanotechnology-Based Drug Delivery Systems for the Treatment of Skin Aging
(BioMed Research International, 2014-01-01) [Artigo]
The objective of this study was to perform a structural characterization and evaluate the in vitro safety profile and in vitro antioxidant activity of liquid crystalline systems (LCS) with and without retinyl palmitate ...
INTRACELLULAR GENERATION OF ELECTRONICALLY EXCITED-STATES - POLYMORPHONUCLEAR LEUKOCYTES CHALLENGED WITH A PRECURSOR OF TRIPLET ACETONE
(Biochimica Et Biophysica Acta, 1986-05-02) [Artigo]
Diagnosis of Smith-Lemli-Opitz syndrome by ultraviolet spectrophotometry
(Brazilian Journal of Medical and Biological Research, 2003-10-01) [Artigo]
Smith-Lemli-Opitz syndrome (SLOS) is an autosomal recessive disorder due to an inborn error of cholesterol metabolism, characterized by congenital malformations, dysmorphism of multiple organs, mental retardation and delayed ...
Characterization of myeloid or lymphoid acute leukemia by a chemiluminescence assay: Comparison with immunocytochemistry using an antimyeloperoxidase antibody
(Acta Haematologica, 1993-01-01) [Artigo]
A simple and sensitive chemiluminescence assay for the demonstration of the activity of intracellular myeloperoxidase (MPO) is described, which is useful for the distinction between myeloid and lymphoid commitment in blasts ...
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.
Dissociation between the circulating renin-angiotensin system and angiotensin II receptors in central losartan-induced hypertension
(Brazilian Journal of Medical and Biological Research, 2002-09-01) [Artigo]
Losartan, an AT1 angiotensin II (ANG II) receptor non-peptide antagonist, induces an increase in mean arterial pressure (MAP) when injected intracerebroventricularly (icv) into rats. The present study investigated possible ...
Alcohol extract of Pterogyne nitens leaves fails to reduce severity of streptozotocin-induced diabetes in rats
(Journal of Medicinal Plants Research, 2010-05-04) [Artigo]
Two constituents of Pterogyne nitens leaves, kaempferitrin, a diglycosylated flavonol, and galegin, a guanidine alkaloid, may be considered likely to exert an antidiabetic effect, on the basis of their chemical structures. ...
Correlation among Antioxidant, Antimicrobial, Hemolytic, and Antiproliferative Properties of Leiothrix spiralis Leaves Extract
(International Journal of Molecular Sciences, 2012-07-01) [Artigo]
The biological activities of a plant extract depend on a complex sum of individual properties including the antioxidant activity. Several biological activities protect against the harmful action of reactive oxygen species ...
Indole ring oxidation by activated leukocytes prevents the production of hypochlorous acid
(Brazilian Journal of Medical and Biological Research, 2005-11-01) [Artigo]
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 ...
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 ...