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  • From extraction experiments and gamma-activity measurements, the exchange extraction constant corresponding to the equilibrium Ca2+(aq) + 1 center dot Sr2+(nb) a double dagger%22 1 center dot Ca2+(nb) + Sr2+(aq) taking place in the two-phase water-nitrobenzene system (1 = beauvericin; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K (ex)(Ca2+, 1 center dot Sr2+) = 1.1 +/- A 0.1. Further, the stability constant of the 1 center dot Ca2+ complex in nitrobenzene saturated with water was calculated for a temperature of 25 A degrees C: log beta (nb)(1 center dot Ca2+) = 10.1 +/- A 0.2. Finally, by using quantum mechanical density functional level of theory calculations, the most probable structures of the non-hydrated 1 center dot Ca2+ and hydrated 1 center dot Ca2+center dot H2O complex species were predicted.
  • From extraction experiments and gamma-activity measurements, the exchange extraction constant corresponding to the equilibrium Ca2+(aq) + 1 center dot Sr2+(nb) a double dagger%22 1 center dot Ca2+(nb) + Sr2+(aq) taking place in the two-phase water-nitrobenzene system (1 = beauvericin; aq = aqueous phase, nb = nitrobenzene phase) was evaluated as log K (ex)(Ca2+, 1 center dot Sr2+) = 1.1 +/- A 0.1. Further, the stability constant of the 1 center dot Ca2+ complex in nitrobenzene saturated with water was calculated for a temperature of 25 A degrees C: log beta (nb)(1 center dot Ca2+) = 10.1 +/- A 0.2. Finally, by using quantum mechanical density functional level of theory calculations, the most probable structures of the non-hydrated 1 center dot Ca2+ and hydrated 1 center dot Ca2+center dot H2O complex species were predicted. (en)
Title
  • Experimental and theoretical study on the complexation of Ca2+ with beauvericin
  • Experimental and theoretical study on the complexation of Ca2+ with beauvericin (en)
skos:prefLabel
  • Experimental and theoretical study on the complexation of Ca2+ with beauvericin
  • Experimental and theoretical study on the complexation of Ca2+ with beauvericin (en)
skos:notation
  • RIV/60460709:41330/13:63627!RIV14-MSM-41330___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 74014
http://linked.open...ai/riv/idVysledku
  • RIV/60460709:41330/13:63627
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Calcium, Beauvericin, Complexation, Water–nitrobenzene system, Extraction and stability constants, DFT calculations, Structures. (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HU - Maďarsko
http://linked.open...ontrolniKodProRIV
  • [34961EE59BD8]
http://linked.open...i/riv/nazevZdroje
  • Journal of Radioanalytical and Nuclear Chemistry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 298
http://linked.open...iv/tvurceVysledku
  • Makrlík, Emanuel
  • Toman, Petr
  • Vaňura, Petr
http://linked.open...ain/vavai/riv/wos
  • 000324546100025
issn
  • 0236-5731
number of pages
http://localhost/t...ganizacniJednotka
  • 41330
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