Dynamic sol-gel interconversion by reversible cation binding and release in G-quartet-based supramolecular polymers. Ghoussoub, A. & Lehn, J. Chemical communications (Cambridge, England), 8(46):5763–5, December, 2005.
Dynamic sol-gel interconversion by reversible cation binding and release in G-quartet-based supramolecular polymers. [link]Paper  doi  abstract   bibtex   
The bis-guanine monomer G-G forms highly cross-linked, K+ stabilized, polymeric hydrogels that can be reversibly interconverted between gel and sol state via sequential binding and release of K+ by a cryptand undergoing protonation/deprotonation.
@article{Ghoussoub2005,
	title = {Dynamic sol-gel interconversion by reversible cation binding and release in {G}-quartet-based supramolecular polymers.},
	volume = {8},
	issn = {1359-7345},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/16307138},
	doi = {10.1039/b512527h},
	abstract = {The bis-guanine monomer G-G forms highly cross-linked, K+ stabilized, polymeric hydrogels that can be reversibly interconverted between gel and sol state via sequential binding and release of K+ by a cryptand undergoing protonation/deprotonation.},
	number = {46},
	journal = {Chemical communications (Cambridge, England)},
	author = {Ghoussoub, Assaad and Lehn, Jean-Marie},
	month = dec,
	year = {2005},
	pmid = {16307138},
	keywords = {\#nosource},
	pages = {5763--5},
}

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