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Determination of fluoroquinolone antibiotics in hospital and municipal wastewat...
Seifrtová, M.; Pena, A.; Lino, C.; Solich, P.Abstract The main goal of this work was determination of residues of the antibiotics ofloxacin (OFLO), norfloxacin (NOR), ciprofloxacin (CIPRO), and enrofloxacin (ENRO) in wastewater samples. The samples, after acidification to pH 4.5 and addition of EDTA, were extracted on an anion-exchange cartridge in tandem with an Oasis HLB cartridge. The LC–FD method, developed in previous studies, was based on applicati...
Estimation of ochratoxin A in portuguese population: New data on the occurrence...
Pena, A.; Seifrtová, M.; Lino, C.; Silveira, I.; Solich, P.With increasing knowledge of the persistence of OTA in the food chain, exposure to this mycotoxin is a potential human health hazard to humans, and evaluating its presence in populations has become highly important. ; http://www.sciencedirect.com/science/article/B6T6P-4JXR90G-4/1/ae320edca66d234021aec8fcdd0203fa
Validation of an Analytical Methodology for Determination of Oxytetracycline an...
Pena, A.; Pelantova, N.; Lino, C. M.; Silveira, M. I. N.; Solich, P.An analytical method for the determination of OTC and TC residues in honey was developed. Sample treatment involves an extraction in EDTA-McIlvaine buffer, followed by a solid-phase cleanup step. With regard to the cleanup procedure, different SPE cartridges were evaluated and the results presented. The method was validated according to the guidelines laid down by the 2002/657/EC European Decision parameters: ...
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