Results 31 to 40 of about 3,291 (145)
The biocompatibility of cardiovascular graft materials: a comparison between bovine pericardial tissue and Dacron(R) [PDF]
During the past 25 years, numerous studies relating to medical device biocompatibility have appedared world-wide. Development of biomaterials for grafting cardiovascular applications has contributed to an increase in knowledge of the compatibility ...
Glerean, Álvaro +2 more
core +4 more sources
The goal of this study was to analyze cytotoxicity, genotoxicity and mutagenicity to bone marrow cells of mice of nature identical synthetic flavorings, passion fruit and strawberry, and artificial synthetic flavorings, vanilla, chocolate, tutti-frutti ...
I. M. S. Sales +6 more
doaj +1 more source
Vital dyes in chromovitrectomy [PDF]
The aim of this article is to present the current data with regard to the application of vital dyes during vitreoretinal surgery, chromovitrectomy, as well as to overview the current literature regarding the properties of dyes, techniques of application,
Costa, Elaine de Paula Fiod +7 more
core +3 more sources
N-nitroso compounds, such as N-nitrosodiethylamine (NDEA), can be formed by the reaction of secundary amines with nitrosating agents, and are suspected to be involved in tumors in humans.
Claudia R. de Rainho +3 more
doaj +1 more source
We evaluated the antiproliferative effect of infusions from Pluchea sagittalis using the Allium cepa test. Infusions in three concentrations (2.5, 5, and 25 g dm-3) of leaves cultivated in three environments (in vitro, acclimatized growth chamber, and ...
Liana V. Rossato +4 more
doaj +1 more source
Preoxidation and adsorption in granular activated carbon for the removal of Diuron and Hexazinone from groundwater [PDF]
O cultivo da cana-de-açúcar exige a utilização de herbicidas, destacando-se o Diuron e a Hexazinona. Alguns dos poços de abastecimento de Ribeirão Preto (SP) construídos no Aquífero Guarani estão situados em pontos de recarga, e a presença de solo de ...
BALLEJO, Renata Rueda +3 more
core +2 more sources
Ações antrópicas como urbanização, industrialização e atividades agrícolas são potenciais fontes de contaminação para os corpos hídricos, sendo esses muitas vezes o reservatório final de substâncias genotóxicas provenientes dessas atividades.
Eduarda dos Santos de Sousa +1 more
semanticscholar +1 more source
A apresentação destes resultados é uma conseqüência da linha de pesquisa desenvolvida com o carbonato de lítio - Li2CO3 (Li) - e adoçantes não-calóricos, em animais de laboratório em fase de estudos, acrescentando-se sacarina (Sc) e utilizando-se ...
Juida de Deus Palma Contar +3 more
doaj +1 more source
Mutagenic Evaluation of Fluoxetine and Fluoxetine-Galactomannan Complex Through the Analysis of Chromosomal Aberrations in Human Peripheral Leukocytes and Salmonella typhimurium/Microssome Assay [PDF]
Objectives: The purpose of this study was to evaluate the mutagenic potential of fluoxetine and fluoxetine-galactomannan. Methods: Chromosomal aberration test and Salmonella typhimurium/microsome mutagenicity assay.
Barreto, Francisco Stefânio +15 more
core +2 more sources
A espécie Ocimum gratissimum L., popularmente conhecida como alfavaca, é uma planta muito usada na medicina tradicional brasileira, à qual são atribuídas diversas atividades terapêuticas quando usada na forma de infuso de suas folhas.
D.C Gontijo, L.C. Fietto, J.P.V Leite
doaj +1 more source

