Cláudio José Müller

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T he high heterozygosity of Dendrobium nobile hybrids has attracted the attention of biotechnology companies for large scale clonal propagation of elite genotypes belonging to this genus (Faria & Illg, 1995). The orchid species used in this experiment, Dendrobium nobile, is an epiphyte of Asian origin, found throughout tropical and subtropical Asia, as far(More)
A polymerase chain reaction (PCR) method for direct detection of Salmonella spp. in whole-shell eggs is described. The method does not require isolating strains. Preenrichment, rapid DNA isolation, and a nested PCR system targeting the invA gene enabled detection of the genus Salmonella. The specific nested PCR product of 283 base pairs was formed from all(More)
Evaluation of the environmental benefits of constructed wetlands (CWs) requires an understanding of their impacts on the groundwater quality under the wetlands. Empirical mass-balance (nitrogen in/nitrogen out) approaches for estimating nitrogen (N) removal in CWs do not characterise the final fate of N; where nitrate (NO3--N) could be reduced to either(More)
The effect of urea on PCDD/F formation in a pilot incinerator was studied by incinerating urea with refuse-derived fuel (RDF) at three concentrations (0.1%, 0.5% and 1.0%, of the fuel feed). A distinct reduction in both PCDD/F and chlorophenol concentrations could be noticed when urea was introduced into the system. Partial-least-square (PLS) analysis of(More)
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