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Gels 2015, 1(1), 81-93;

Thixotropic Supramolecular Gel Based on l-Lysine Derivatives

Graduate School of Science and Technology, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan
Author to whom correspondence should be addressed.
Academic Editor: Akira Harada
Received: 5 June 2015 / Revised: 10 July 2015 / Accepted: 21 July 2015 / Published: 31 July 2015
(This article belongs to the Special Issue Development of Self-Healing Gels)
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The dimer l-lysine derivatives, in which two Nα,Nε-diacyl-l-lysines were crosslinked by calcium ion, were synthesized through a simply synthetic procedure and their gelation properties were examined. These compounds functioned as an organogelator; especially, the gelators possessing both a linear and a branched alkyl chains had the better organogelation ability and formed the thermally stable and rigid organogel. In addition, some organogels had a thixotropic property, which were responsive to a mechanical stimulus and reversibly underwent the gel–sol transition at room temperature. The thixotropic behavior was confirmed by visual contact and rheological experiments. Furthermore, it was assumed the mechanism of the thixotropic behavior. View Full-Text
Keywords: organogels; l-lysine; gelation; thixotropy; nanofibers; supramolecular chemistry organogels; l-lysine; gelation; thixotropy; nanofibers; supramolecular chemistry

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Suzuki, M.; Hayakawa, Y.; Hanabusa, K. Thixotropic Supramolecular Gel Based on l-Lysine Derivatives. Gels 2015, 1, 81-93.

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