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A nested-PCR assay for detection of Xylella fastidiosa in citrus plants and sharpshooter leafhoppers
(Blackwell Publishing, 2004-01-01)
Aims: Detection of Xylella fastidiosa in citrus plants and insect vectors.Methods and Results: Chelex 100 resin matrix was successfully standardized allowing a fast DNA extraction of X. fastidiosa. An amplicon of 500 bp ...
Dependence of divalent metal ions on phosphotransferase activity of osseous plate alkaline phosphatase
(Elsevier B.V., 1997-04-01)
Kinetic evidence for the role of divalent metal ions in the phosphotransferase activity of polidocanol-solubilized alkaline phosphatase from osseous plate is reported. Ethylenediamine tetreacetate, 1,10-phenanthrolin, and ...
Determination of in situ speciation of manganese in treated acid mine drainage water by using multiple diffusive gradients in thin films devices
(2013-10-17)
Acid mine drainage (AMD) is a serious environmental problem that creates acidic solution with high Mn concentrations. The speciation of residual Mn from AMD after an active treatment involving the addition of a neutralizing ...
Determination of labile barium in petroleum-produced formation water using paper-based DGT samplers
(Elsevier B.V., 2012-10-15)
A polyacrylamide hydrogel containing the Chelex-100 resin has traditionally been used as the binding agent for the diffusion gradients in thin films (DGT) technique. The Chelex-100 resin, although important for the ...
Extração de DNA de materiais de arquivo e fontes escassas para utilização em reação de polimerização em cadeia (PCR)
(Associação Brasileira de Hematologia e Hemoterapia e daSociedade Brasileira de Transplante de Medula Óssea, 2004-12-01)
Este trabalho visou a comparação de cinco métodos diferentes de extração de DNA de materiais de arquivo (tecidos incluídos em parafina, esfregaços de sangue periférico - corados e não corados com Leishman, lâminas com ...
Avaliação de dois métodos de extração de DNA de material parafinado para amplificação em PCR
(Sociedade Brasileira de Patologia ClínicaSociedade Brasileira de PatologiaSociedade Brasileira de Citopatologia, 2007-04-01)
INTRODUÇÃO: Diversos métodos para extração de DNA a partir de tecidos biológicos inclusos em parafina encontram-se descritos na literatura, sendo o sucesso desse procedimento de grande importância para a realização de ...
Use of Saccharomyces cerevisiae immobilized in agarose gel as a binding agent for diffusive gradients in thin films
(Elsevier B.V., 2010-12-17)
A new binding agent, consisting of the yeast Saccharomyces cerevisiae immobilized in agarose, is proposed for use in diffusive gradients in thin films (DGT). Different gel compositions, containing from 4.5% to 20% (m/v) ...