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Water exchange of the water soluble porphyrin Mn(III)TTEG-2-PyP5+ and its reaction with N-hydroxyurea (CROSBI ID 587673)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Kalmár, József ; Lente, Gábor ; Fábián, István ; Bányai, István ; Farkas, Etelka ; Budimir, Ana ; Biruš, Mladen ; Batinić-Haberle, Ines Water exchange of the water soluble porphyrin Mn(III)TTEG-2-PyP5+ and its reaction with N-hydroxyurea // Book of Abstracts. 2010

Podaci o odgovornosti

Kalmár, József ; Lente, Gábor ; Fábián, István ; Bányai, István ; Farkas, Etelka ; Budimir, Ana ; Biruš, Mladen ; Batinić-Haberle, Ines

engleski

Water exchange of the water soluble porphyrin Mn(III)TTEG-2-PyP5+ and its reaction with N-hydroxyurea

The properties of Mn(III)TTEG-2-PyP5+, an efficient in vivo SOD mimic and potential drug to treat oxidative stress related diseases, and its reaction with Nhydroxyurea (HU) were studied in a basic aqueous medium. The pK values were determined by spectrophotometric titrations, the water exchange, along with that of other two analogous manganese(III) prophyrins, was studied based on temperature dependent 17O NMR measurements. The stoichiometry and the kinetics of the reaction with N-hydroxyurea was studied by a variety of methods including ion chromatography, electrospray mass spectrometry and UV-Vis spectroscopy. It was shown that photochemical side reactions occur even under the low light intensities used in stopped flow experiments.

Mn porphirins; water exchange

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Podaci o prilogu

2010.

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objavljeno

Podaci o matičnoj publikaciji

Book of Abstracts

Podaci o skupu

IRMG MEETING 2010, Inorganic/Bioinorganic Reaction Mechanisms

poster

07.01.2010-10.01.2010

Bad Staffelstein, Njemačka

Povezanost rada

Kemija