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Binding of oxovanadium(IV) complexes to blood serum albumins
Cobbina, Enoch; Mehtab, Sameena; Correia, Isabel; Gonçalves, Gisela; Tomaz, Isabel; Cavaco, Isabel Maria Palma Antunes; Jakusch, Tamás; Eneyedi, EvaIn this work the binding of VIVO2+ and VIVO-complexes to serum albumins {human serum albumin (HSA), bovine serum albumin (BSA) and porcine serum albumin (PSA)} are studied using circular dichroism (CD), electron paramagnetic resonance (EPR) and visible absorption spectroscopy. The results confirm previous findings that VIVO2+ occupies at least two types of binding sites on albumin: ‘the strong vanadium binding ...
Electrochemical DNA sensor for detection of single nucleotide polymorphisms
Marques, L. P. J.; Cavaco, Isabel Maria Palma Antunes; Pinheiro, J. P.; Ribeiro, Vera; Ferreira, GuilhermeIn recent years there has been an increased interest in using biosensors for the recognition and monitoring of molecule interactions. DNA sensors and gene chips are particularly relevant for directly applying the information gathered from the genome projects. In this work electrochemical techniques are used to develop methodologies to detect DNA polymorphisms in human genes using cytochrome P450 3A4 (CYP3A4) as...
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