Acid-base equilibria in ethylene glycol—III selection of titration conditions in ethylene glycol medium, protolysis constants of alkaloids in ethylene glycol and its mixtures
✍ Scribed by P. Zikolov; T. Zikolova; O. Budevsky
- Book ID
- 118992420
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 407 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0039-9140
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## Abstract Covalent modification of purified __Trigonopsis variabilis__ D‐amino acid oxidase using maleimide‐activated poly(ethylene glycol) 5000 yielded a stable bioconjugate in which three surface‐exposed cysteine side chains were selectively derivatized. Compared with the native enzyme, the PEG
Isoelectric points at 25" and 4" of some carrier ampholytes containing different protoQtic groups and dissociation constants at 25" of some carboxylic acids and alkyl-substituted ammonium ions have been determined in water and in sucrosewater, glycerol-water and ethylene glycol-water mixtures. Thes