Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

Germination of coffee seeds occurs in a slow and uneven way, making it difficult to obtain results of quality evaluation of lots in time for the propagation. One of the factors that delay germination is the presence of parchment that acts as a physical barrier to water and gases ...

In this rapid presumptive test for Mycoplasma pneumoniae, subculture is not required, and tetrazolium reduction is evident in 1 hr or less....

A modified nitroblue tetrazolium test (NBT) is described which is suitable for routine application in the haematology or bacteriology laboratory and which provides a rapid aid to the diagnosis of bacterial infection....

A rapid (6–7 hr), modified Kirby-Bauer disk-susceptibility method, by which derivatives of tetrazolium dyes are used to enhance delineation between areas of growth and zones of inhibition, has been developed. Inoculated petri plates, prepared by the Kirby-Bauer method, were spray...

The use of a solid reagent in the triphenyl tetrazolium chloride (T.T.C.) test for significant bacteriuria is described. The reagent gave a positive result with 108 (86%) of 126 specimens of urine containing over 100,000 organisms per ml. In comparison with the standard T.T.C. te...

Metronidazole and tetracycline E tests were compared to an agar dilution method for the antimicrobial susceptibility testing of Helicobacter pylori. Sixteen strains were tested by using tetrazolium egg yolk (TEY) agar. The characteristic E test inhibition ellipse was clearer on T...

Nitroblue tetrazolium test scores were obtained in 43 patients with psoriatic arthritis, 32 patients with rheumatoid arthritis, and 16 patients with osteoarthrosis. The mean score in all groups was similar and was higher than previously reported in patients awaiting heart surgery...

Resumo: O objetivo deste trabalho foi avaliar métodos de preparo e coloração usados no teste de tetrazólio para sementes de Pinus taeda, com definição de classes de viabilidade. Foram realizados os procedimentos descritos nas regras para análise de sementes no Brasil e na Associa...

The nitro blue tetrazolium test was applied on neutrophils from children with kwashiorkor and from control children. The percentage of formazan cells formed in the kwashiorkor patients was significantly less than in the control group in spite of the presence of associated infecti...

A colorimetric antifungal susceptibility test was performed using 2,3-diphenyl-5-thienyl-(2)-tetrazolium chloride. Among 24 strains of Candida species, no trailing growth was found. In 22 and 20 strains, the MICs obtained in the colorimetric assay were within two dilutions of tho...

Two cases are described in which extensive use was made of the nitroblue tetrazolium (NBT) test. In the first case the advantages of using this technique to diagnose and control infection is shown; in the second the considerable advantage of the speed of the technique. In both of...

Resumo: O teste de tetrazólio tem sido recomendado para a avaliação da viabilidade de sementes que apresentam germinação lenta e desuniforme, especialmente espécies agroflorestais. O objetivo do trabalho foi propor uma metodologia para avaliação da viabilidade das sementes de J. ...

The nitroblue tetrazolium (NBT) test has been evaluated as a means of differentiating episodes of infection and rejection in 10 cadaver kidney transplant recipients. Normal NBT values were observed during all 11 episodes of acute rejection. A significant elevation of the NBT scor...

The pereiro-vermelho is a forest species belonging to the family Rubiaceae, considered endemic to the Caatinga and with little information in the literature, especially with regard to the morphology of seeds and seedlings, the initial stages of development and viability. Therefor...

The pereiro-vermelho is a forest species belonging to the family Rubiaceae, considered endemic to the Caatinga and with little information in the literature, especially with regard to the morphology of seeds and seedlings, the initial stages of development and viability. Therefor...

The reduction of nitroblue tetrazolium (NBT) by phagocytic leucocytes in peripheral blood has been examined in rabbits injected intratesticularly with Treponema pallidum, T. pallidum-free supernatant of orchitic testes, or normal rabbit testes supernatant. A significant (P less t...

The search for alternative fuels from natural oils has attracted great interest in this culture, and also by the seeds of Jatropha curcas nut. Thus, this study aimed to evaluate the influence of storage period in the quality of Jatropha curcas L. seeds. Seeds used were from Eldor...

The nitroblue-tetrazolium (NBT) slide test has been applied widely to assist in the diagnosis of bacterial infection. The test involves mixing a small amount of heparinized blood with a solution of NBT and noting the percentage of neutrophils that contain reduced NBT after a fixe...

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The histochemical creatine phosphokinase (CPK) tetrazolium test has been evaluated to detect recent human myocardial infarction in gross slices of the heart at necropsy. The demonstration of the lesion with this method has been assumed to result from local loss of CPK from the da...