Jump to main content
Jump to site search


Chiral amplification of disodium cromoglycate chromonics induced by a codeine derivative

Author affiliations

Abstract

Chromonic liquid crystals (CLC) are lyotropic phases formed by discotic mesogens in water. Simple chiral dopants such as amino acids have been reported to turn chromonic liquid crystals into their cholesteric counterparts. Here we report a chirality amplification effect in the nematic phase of a 9 wt% disodium cromoglycate (DSCG) lyotropic liquid crystal (LLC) upon doping with a water-soluble codeine derivative. The transition on cooling the isotropic to the nematic phase showed the presence of homochiral spindle-shaped droplets (tactoids). NMR DOSY experiments on a triple gradient probe revealed a small degree of diffusion anisotropy for the alkaloid embedded in the liquid crystal structure. These results in combination with XRD, CD and POM experiments agree with a supramolecular aggregation model based on simple columnar stacks.

Graphical abstract: Chiral amplification of disodium cromoglycate chromonics induced by a codeine derivative

Back to tab navigation

Supplementary files

Publication details

The article was received on 21 Jun 2017, accepted on 07 Aug 2017 and first published on 08 Aug 2017


Article type: Paper
DOI: 10.1039/C7SM01227F
Citation: Soft Matter, 2017, Advance Article
  •   Request permissions

    Chiral amplification of disodium cromoglycate chromonics induced by a codeine derivative

    F. Berride, E. Troche-Pesqueira, G. Feio, E. J. Cabrita, T. Sierra, A. Navarro-Vázquez and M. M. Cid, Soft Matter, 2017, Advance Article , DOI: 10.1039/C7SM01227F

Search articles by author

Spotlight

Advertisements