Properties of alkyl β-D-glucoside and alkyl β-D-maltoside micelles
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 8,p. 1655-1660
- https://doi.org/10.1039/p29950001655
Abstract
Characterization of alkyl β-D-glucoside (CnG) and alkyl β-D-maltoside (CnM) micelles has been studied. A (–) to (+) bisignate CD of (4Z, 15Z)-bilirubin-IXα(BR) is induced by CnG or CnM micelles, indicating that BR bound to the glycolipid micelles preferentially takes an (S)-helix configuration. The intensity of the CD induced by the CnM micelle is stronger than that induced by the CnG micelle. In order to understand such a phenomenon, the characterization of the CnG and CnM micelles has been investigated. The fluorescent probe method using 1,3-bis(1-pyrenyl)propane (P3P), pyrene and 1-pyrenecarbaldehyde suggests that CnM provides less lipophilic and less fluid micelles compared with CG. Such a difference in micelle properties is reflected in the solubilization phenomena of CnG and CnM micelles. The CnG micelles solubilize well the lipophilic solutes such as P3P and 5,10,15,20-tetraphenylporhyrin. The less fluid microenvironment and higher microscopic concentration of the glucopyranose unit of the CnM micelle seems to be preferable for forming an optically active BR–glycolipid complex.Keywords
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