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Publikováno v:
J. Chem. Soc., Dalton Trans.. :1645-1648
The SeO3–H2SeO4 system has been studied cryoscopically. A maximum freezing point of 18.84 ± 0.01 °C indicated the existence of diselenic acid H2Se2O7. Self-dissociation in diselenic acid is discussed and the presence of triselenic acid is predict
Autor:
Hussein M. Zeidan
Publikováno v:
Biochemical and Biophysical Research Communications. 100:681-687
Phosphofructokinase has been identified and purified from extracts of Rhodotorula glutinius . Kinetic studies of the enzyme indicated high cooperativity with respect to fructose 6-phosphate. The kinetics for ATP shows no cooperativity as indicated by