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Aspectos inorgânicos e físico-químicos na determinação espectrofotométrica do radical 1,1-difenil-2-picrilhidrazil.
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2020-11-06)
The DPPH method has been reported with misconceptions in a large number of studies,
precluding the direct comparison of results. Attention is drawn to a common mistake in the unit
used to express the IC50 value of ascorbic ...
Cadmium and Chromium Toxicity to Pseudokirchneriella subcapitata and Microcystis aeruginosa
(INST TECNOLOGIA PARANACURITIBA, 2012-01)
The toxicity of cadmium and chromium to Pseudokirchneriella subcapitata and Microcystis aeruginosa was evaluated through algal growth rate during 96h exposure bioassays. Free metal ion concentrations were obtained using ...
Effects of uremic solutes on reactive oxygen species in vitro model systems as a possibility of support the renal function management
(Biomed Central Ltd, 2015-04-11)
Background: In view of the prevalence of oxidative stress in chronic kidney disease (CKD) patients, the loss of low-molecular-weight biomolecules by hemodialysis and the antioxidant potential of some uremic solutes that ...
Reference values for inspiratory capacity in healthy nonsmokers over age 50 years
(EDICIONES DOYMA S/L, 2007)
Objective: The role of dynamic hyperinflation in triggering dyspnea and limiting exercise capacity in patients with chronic obstructive pulmonary disease has been recognized in recent years. The degree of dynamic hyperinflation ...
Antimicrobial, Cytotoxic and Antioxidant Activities and Determination of the Total Tannin Content of Bark Extracts Endopleura uchi
(Mdpi Ag, 2011-04-01)
Endopleura uchi is a typical Amazonian tree and its bark is popularly employed in the preparation of teas against myomas, arthritis, influenza, diarrhea and cancer. In this study, the antioxidant activity, cytotoxicity and ...
Antimicrobial, Cytotoxic and Antioxidant Activities and Determination of the Total Tannin Content of Bark Extracts Endopleura uchi
(Mdpi Ag, 2011-04-01)
Endopleura uchi is a typical Amazonian tree and its bark is popularly employed in the preparation of teas against myomas, arthritis, influenza, diarrhea and cancer. In this study, the antioxidant activity, cytotoxicity and ...
Comparative studies of the anti-leishmanial activity of three Crotalus durissus ssp venoms
(Springer, 2007-10-01)
In this study, we compared the anti-leishmanial activity of three crotalic venoms (Crotalus durissus terrificus-Cdt, Crotalus durissus cascavella-Cdca, and Crotalus durissus collilineatus-Cdcol). Different concentrations ...
Comparative studies of the anti-leishmanial activity of three Crotalus durissus ssp venoms
(Springer, 2007-10-01)
In this study, we compared the anti-leishmanial activity of three crotalic venoms (Crotalus durissus terrificus-Cdt, Crotalus durissus cascavella-Cdca, and Crotalus durissus collilineatus-Cdcol). Different concentrations ...
Antiprotozoan activity of Brazilian marine cnidarian extracts and of a modified steroid from the octocoral Carijoa riisei
(SPRINGER, 2008)
In the present investigation, we have evaluated the antileishmanial and antitrypanosomal activity of methanolic crude extracts obtained from eight species of cnidarians and of a modified steroid isolated from the octocoral ...