Journal
SOFT MATTER
Volume 9, Issue 36, Pages 8730-8736Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sm51967h
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Funding
- University of York
- Wild fund
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Hybrid hydrogels combining both a low molecular weight gelator (LMWG, 1,3: 2,4-dibenzylidene-D-sorbitol-p,p'-dicarboxylic acid) and a polymer gelator (PG, agarose) are reported. The dynamic assembly of the LMWG is explored in the absence and presence of the PG using NMR and CD methods. It is shown that the LMWG still assembles into chiral nanofibres in the presence of a nanoscale PG network, although the kinetics of assembly are somewhat modified. As such, these hybrid materials can be considered as self-sorting multi-gelator gels. Importantly, the LMWG retains its pH-responsive character and can be assembled and disassembled within the PG network, which acts to retain the overall integrity of the gel. As such, these materials demonstrate how the responsive nature of an LMWG can be combined with the greater resilience of a PG network to yield novel materials with hybrid performance.
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