Effect of chain length and concentration of anionic surfactants on the conformational transitions of poly(L-ornithine) and poly(L-lysine) in aqueous solution
✍ Scribed by Iwao Satake; Jen Tsi Yang
- Book ID
- 118853997
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 336 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0006-291X
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## Abstract The binding isotherms of sodium decyl sulfate to poly(L‐ornithine), poly(D,L‐ornithine), and poly(L‐lysine) at neutral pH were determined potentiometrically. The nature of a highly cooperative binding in all three cases suggests a micelle‐like clustering of the surfactant ions onto the
## Abstract Uncharged poly(__N__^ε^‐methyl‐L‐lysine) (PMLL) and its isomer, poly(__N__^δ^‐ethyl‐L‐ornithine) (PELO), in alkaline solution (pH ca. 12) undergo a helix‐to‐β transition upon mild heating at 50°C or higher in a manner similar to that of poly(L‐lysine) (PLL). The rate of conversion follo
## Abstract The conformational changes of poly‐__N__^ε^‐glutaryl‐L‐lysine (PGL) and poly‐__N__^ε^‐succinyl‐L‐lysine (PSL) in various salt solutions were studied by use of ORD and potentiometric titration measurements. The addition of alkali metal salts to the fully ionized PGL or PSL solution cause
351 00 Padova, Ilaly synopsis Circular Dichroism measurements have been carried out on poly-L-lysine (PLL) and on random copolymers of lysine and phenylalanine a t various pH values and in the presence of different amounts of NaClOr. The results indicate that either the homopolymer or the copolymers