Electrochemical measurements on the binding of sodium dodecyl sulfate and dodecyltrimethylammonium bromide with {alpha}- and {beta}-cyclodextrins
Journal Article
·
· Journal of Physical Chemistry
- Univ. of Salford (United Kingdom)
The binding of ionic surfactants (S) to {alpha}- and {beta}-cyclodextrins (CD) has been investigated using surfactant-selective electrodes. These electrochemical measurements have shown that S(CD) and S(CD){sub 2} inclusion complexes are formed between sodium dodecyl sulfate and both {alpha}- and {beta}-cyclodextrins and also between dodecyltrimethylammonium bromide and {alpha}-cyclodextrin. On the other hand, the cationic surfactant only forms a 1:1 complex with {beta}-cyclodextrin. From the data the equilibrium binding constants for the formation of each of the complexes have been evaluated. 29 refs., 5 figs., 1 tab.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 458823
- Journal Information:
- Journal of Physical Chemistry, Vol. 96, Issue 22; Other Information: PBD: 29 Oct 1992
- Country of Publication:
- United States
- Language:
- English
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