Literature DB >> 29711840

Hydrophobic Pockets in a Nonpolymeric Aqueous Gel: Observation of such a Gelation Process by Color Change.

Uday Maitra1, Samrat Mukhopadhyay1, Arnab Sarkar1, Photon Rao1, S S Indi2.   

Abstract

Efficient gelation of aqueous fluids by a novel tripodal trischolamide generates chiral hydrophobic pockets in the gel network. A yellow to green color change (see absorbance spectra) in the presence of bromophenol blue (BPBH) indicates the formation of the gel. The bound (anionic) dye (BPB- ) shows induced circular dichroism, which is indicative of a chiral environment.
© 2001 WILEY-VCH Verlag GmbH, Weinheim, Fed. Rep. of Germany.

Entities:  

Keywords:  aggregation; gel; hydrophobic effect; materials science; steroids

Year:  2001        PMID: 29711840     DOI: 10.1002/1521-3773(20010618)40:12<2281::AID-ANIE2281>3.0.CO;2-L

Source DB:  PubMed          Journal:  Angew Chem Int Ed Engl        ISSN: 1433-7851            Impact factor:   15.336


  1 in total

1.  Protonation and deprotonation induced organo/hydrogelation: Bile acid derived gelators containing a basic side chain.

Authors:  Uday Maitra; Arkajyoti Chakrabarty
Journal:  Beilstein J Org Chem       Date:  2011-03-10       Impact factor: 2.883

  1 in total

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