期刊
NANOMATERIALS
卷 11, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/nano11061376
关键词
molecular gel; nanofibril; self-assembly; secondary chirality; enantioselectivity; circular dichroism
类别
资金
- Ministry of Education, Culture, Sports, Science, and Technology, Japan
- Centre National de la Recherche 35 Scientifique
- Universite de Bordeaux
By using a chiral molecular gelation system with a carboxylic acid functional group, enantioselectivity was effectively induced by forming highly ordered aggregates with negatively charged surfaces for carboxyl groups to assemble in highly ordered states and attaching the cationic groups of the guest molecule to this surface through multiple interactions.
A chiral molecular gelation system, as a chiral host, was used to effectively realize enantioselectivity using the simple carboxylic acid functional group. For this purpose, an L-glutamic-acid-based lipidic amphiphile (G-CA) with a carboxylic head group was selected and its responsiveness to cationic guest molecules was investigated. The dispersion morphology of G-CA in its solution state was examined by confocal and transmission electron microscopies, while interactions between the G-CA, as the host system, and guest molecules were evaluated by UV-visible, circular dichroism, and fluorescence spectroscopies. As a result, enantioselectivity was effectively induced when G-CA formed highly ordered aggregates that provide negatively charged surfaces in which carboxyl groups are assembled in highly ordered states, and when the two cationic groups of the guest molecule are attached to this surface through multiple interactions.
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