Suzana Horta Fonseca

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Marine bacteria possess a wide variety of bioremediation potential which is beneficial environmentally and economically. In this study, bacterial isolates from marine waters were screened for tolerance and growth in high concentrations of chromate (Cr6+). Two isolates, capable of tolerating Cr6+ concentrations 300 µg mL−1 or higher, and found to completely(More)
Two bioactivity-based screening methods for antibiotic residue analysis (FAST Antimicrobial Screening Test and PremiTest) were compared, in terms of sensitivity, with a new in-house developed tube test assay using Escherichia coli. Tests were performed using antibiotic standards, spiked samples and real incurred samples. The minimum inhibitory concentration(More)
Tramadol concentrations and analgesic effect are dependent on the CYP2D6 enzymatic activity. It is well known that some genetic polymorphisms are responsible for the variability in the expression of this enzyme and in the individual drug response. The detection of allelic variants described as non-functional can be useful to explain some circumstances of(More)
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