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Showing papers by "Beatriz S. Parajón-Costa published in 2006"

Journal Article•DOI•
Crystal structures, spectroscopic characterization and theoretical calculations of the guanidinium and ammonium salts of the insulin-enhancing anion [VO2(dipic)]-

[...]

Beatriz S. Parajón-Costa1, Oscar E. Piro1, Reinaldo Pis-Diez1, Eduardo E. Castellano2, Ana C. González-Baró1 •
National University of La Plata1, University of São Paulo2
03 Nov 2006-Polyhedron
TL;DR: In this paper, a planar dipic 2− ligand coordinates to the VO 2 + moiety through one oxygen of each carboxylate and the nitrogen atom were determined by X-ray diffraction methods.

37 citations

Journal Article•DOI•
Selective hypoxia-cytotoxins based on vanadyl complexes with 3-aminoquinoxaline-2-carbonitrile-N1,N4-dioxide derivatives.

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Marisol Vieites1, Pabla Noblía1, María H. Torre1, Hugo Cerecetto1, María Laura Lavaggi1, Antonio J. Costa-Filho2, Amaia Azqueta3, Adela López de Cerain3, Antonio Monge3, Beatriz S. Parajón-Costa4, Mercedes González1, Dinorah Gambino1 •
University of the Republic1, University of São Paulo2, University of Navarra3, National University of La Plata4
01 Aug 2006-Journal of Inorganic Biochemistry
TL;DR: The new vanadyl complex and VO(L)2 complexes showed excellent selective cytotoxicity in hypoxia, being no cytotoxic in oxia, and could be indicative that complexation of the quinoxaline-2-carbonitrile N1,N4-dioxide derivatives with vanadium could improve their bioavailability.

20 citations