Anharmonic transitions in nearly dry l-cysteine I
β Scribed by Lima, T A; Sato, E T; Martins, E T; Homem-de-Mello, P; Lago, A F; Coutinho-Neto, M D; Ferreira, F F; Giles, C; Pires, M O C; Martinho, H
- Book ID
- 111654205
- Publisher
- Institute of Physics
- Year
- 2012
- Tongue
- English
- Weight
- 706 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0953-8984
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## Abstract The visible phase separation encountered in aqeuous system involving the Ξ²βcoil transition is investigated on polyβ__S__βcarboxyethylβLβcysteine at a constant ionic strength of 0.2 molal. Solubility of the polymer decreases as the average charge density or pH is decreased, indicating th
The p-coil transition of poly(S-carboxymethyl-L-cysteine) (poly[Cys(CHzCOpH)]) and poly(S-carboxyethyl-L-cysteine) (poly[Cys((CHz)zCOzH)]) was followed by CD, potentiometric titration, and viscosity in the absence of added salt. These different properties give consistent results for poly[Cys((CHz)zC