For the system K-carrageenan/amitriptyline it is shown that the degree of binding of amitriptyline is closely related to the currageenan conformation as regulated by the counterions (Nu+ or K+). The adsorption becomes much more pronounced when the carrageenan molecule is in the helix form (counterio
Counterion Diffusion Reveals Coil-to-Helix Transition in a Polyelectrolyte
โ Scribed by Ciszkowska, Malgorzata; Osteryoung, Janet G.
- Book ID
- 126077025
- Publisher
- American Chemical Society
- Year
- 1999
- Tongue
- English
- Weight
- 39 KB
- Volume
- 121
- Category
- Article
- ISSN
- 0002-7863
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The techniques of the previous article are here applied to the case for which the solution contains, in addition to excess uni-univalent salt, one equivalent of divalent counterions per mole nucleotide. In agreement with the melting temperature measurements of Dove and Davidson for Mg++, it is predi
## Abstract The LifsonโRoig Model (LRM) and all its variants describe the ฮฑโhelix to coil transition in terms of additive componentโfree energies within a free energy decomposition scheme, and these contributions are interpreted through sequenceโcontext dependent nucleation and propagation paramete
The interaction of counterions with a suitably long, charged oligomer appears susceptible to treatment in the context of polyelectrolyte theory by the introduction of an end-effect parameter that reflects the reduced association of counterions with the terminal regions of the oligo-ion. Use of a phy
Omitted from the Introduction of this paper was the statement that the relationship that we propose between the end effect parameter (end and the reduced density (, where f is a proportionality constant, is an assumption that was motivated by the agreement with experimental data that its use provid