Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers

Zhimou Yang; Gaolin Liang; Manlung Ma; Yuan Gao; Bing Xu

doi:10.1039/B611255B

Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers

Zhimou Yang,^a Gaolin Liang,^b Manlung Ma,^a Yuan Gao^a and Bing Xu*^a^b

* Corresponding authors

^a Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China
E-mail: chbingxu@ust.hk
Fax: +852 23587391
Tel: +852 23587351

^b Bioengineering Program, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, China

Abstract

Here we report a new class of molecular hydrogelators based on the conjugates of dipeptide and (naphthalen-2-yloxy)acetic acid. They form hydrogels efficiently—the lowest concentration for them to gel water is 0.07 wt%. Two hydrogelators show the ability to form helical nanofibers within the hydrogels, and the chirality of the hydrogelators apparently dictates the handedness of the nanofibers—D-peptide and L-peptide afford left-handed and right-handed self-assembled nanofibers in the hydrogels, respectively. Moreover, MTT assay of the viability of cells indicates that these molecular hydrogelators are biocompatible.

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Publication details

The article was received on 04 Aug 2006, accepted on 23 Nov 2006 and first published on 11 Dec 2006

Article type: Paper

DOI: 10.1039/B611255B

Citation: J. Mater. Chem., 2007,17, 850-854

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Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers

Z. Yang, G. Liang, M. Ma, Y. Gao and B. Xu, J. Mater. Chem., 2007, 17, 850
DOI: 10.1039/B611255B
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Journal of Materials Chemistry

Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers

Abstract

Supplementary files

Publication details

Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers

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