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A novel VIVO–pyrimidinone complex: synthesis, solution speciation and human ser...
Gonçalves, Gisela; Tomaz, Isabel; Correia, Isabel; Vieiros, Luís F.; Castro, M. M. C. A.; Avecilla, Fernando; Palacio, Lorena; Maestro, MiguelThe pyrimidinones mhcpe, 2-methyl-3H-5-hydroxy-6-carboxy-4-pyrimidinone ethyl ester (mhcpe, 1), 2,3- dimethyl-5-benzyloxy-6-carboxy-4-pyrimidinone ethyl ester (dbcpe, 2) and N-methyl-2,3-dimethyl-5- hydroxy-6-carboxyamido-4-pyrimidinone (N-MeHOPY, 3), are synthesized and their structures determined by single crystal X-ray diffraction. The acid–base properties of 1 are studied by potentiometric and spectrophotom...
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 ...
Um plano de comunicação de Marketing nos Serviços de Documentação e Informaçãod...
Tomaz, Isabel Cristina BaptistaTese de mestrado. Ciência da Informação. Faculdade de Engenharia. Universidade do Porto. 2012
Vanadium (IV and V) Complexes of Reduced Schiff Bases Derived from the Reaction...
Pessoa, João Costa; Marcão, Susana; Correia, Isabel; Gonçalves, Gisela; Dörnyei, Agnes; Kiss, Tamás; Jakusch, Tamás; Tomaz, IsabelThe reduced Schiff bases of salicylaldehyde [and o-vanillin (o-van)] with D,L- and L-diaminopropionic acid (DPA), designated by salDPA, and L-2,4-diaminopentanoic acid [ornithine (Orn)], designated by salOrn, as well as the VIVO2+ and VVO2+ complexes of salDPA were prepared. The compounds were characterised in the solid state and in solution. The structure of H4salDPA+Cl- was determined by X-ray diffraction. Co...
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