Electrochemical behaviour of the Schiff base from pyridoxal-5'-phosphate and L-alanine
✍ Scribed by T. Pineda; M. Blázquez; M. Dominguez; F. Garcia-Blanco
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 771 KB
- Volume
- 294
- Category
- Article
- ISSN
- 0022-0728
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We determined the apparent equilibrium constant of formation, KpH, of the Schijf bases of pyridoxal 5'-phosphate (PLP) and poly-and copolymers containing L-lysine, as a function of pH at 25" and a constant ionic strength of 0 . 1 ~. The KPH values obtained at acidic and neutral pH were larger that t
The formation constants of the Schiff bases of pyridoxal %-phosphate with polyallylamine were determined over the pH range of the acetic-acetate buffer (3.9-5.5) a t an ionic strength of 0.1 M and a temperature of 25°C. The results were consistent with the rapid formation of an ionized carbinolamine