A Synthetic Amino Acid Residue Containing A New Oligopeptide-Based Photosensitive Fluorescent Organogel
Article first published online: 19 OCT 2012
Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Chemistry – An Asian Journal
Volume 8, Issue 1, pages 113–120, January 2013
How to Cite
Maiti, D. K. and Banerjee, A. (2013), A Synthetic Amino Acid Residue Containing A New Oligopeptide-Based Photosensitive Fluorescent Organogel. Chem. Asian J., 8: 113–120. doi: 10.1002/asia.201200617
- Issue published online: 20 DEC 2012
- Article first published online: 19 OCT 2012
- Manuscript Revised: 9 AUG 2012
- Manuscript Received: 10 JUL 2012
- CSIR, New Delhi, India
- DST. Grant Number: SR/S1/OC-73/2009
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A synthetic amino acid (with a stilbene residue in the main chain) containing a tripeptide-based organogelator has been discovered. This peptide-based synthetic molecule 1 self-assembles in various organic solvents to form an organogel. The gel has been thoroughly characterized by using various microscopic techniques including field-emission scanning electron microscopy (FESEM), atomic force microscopy (AFM), X-ray diffraction (XRD), UV-visible and fluorescence spectroscopy, and rheology. Morphological investigations using FESEM and AFM show a nanofibrillar network structure. Interestingly, the organogel is photoresponsive and a gel–sol transition occurred by irradiating the gel with UV light of 365 nm for 2 h as shown by the UV and fluorescence study. This photoresponsive fluorescent gel holds promise for new peptide-based soft materials with interesting applications.