Journal
NANOTECHNOLOGY
Volume 21, Issue 22, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/21/22/225606
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Funding
- NSFC
- PhD Programs Foundation of the Ministry of Education of China [20090031120025]
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We report on the use of a phosphatase to assist the formation of leaf-like structures and a supramolecular hydrogel with an ultra-low minimum gelation concentration. The compound can gel water at a minimum gelation concentration of 0.01 wt%, which is the lowest gelation concentration reported up to now. The images obtained by transmission electron microscopy (TEM) reveal the existence of leaf-like structures serving as the matrix of the hydrogels. The stability of the hydrogels was studied and emission spectra were used to get information about the molecular packing in the leaf-like structures. Since lowering the concentration of the gelator decreases the toxicity of the resulting hydrogels, ultra-low concentration gels have potential uses as biocompatible biomaterials for, e. g., cell cultures, tissue engineering, and drug delivery.
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