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Modification of solution viscosity using multivalent polymers has been accomplished through dynamic cross-linking in water using CB[8]. These hydrogels, with extremely high water content (up to 99.75% water by weight), have also been prepared by utilising renewable cellulose derivatives. Their rapid formation and shear-induced flow properties make these materials perfectly suited for use as injectable hydrogels for delivery of therapeutics.

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Activation energies control the macroscopic properties of physically cross-linked materials
EA Appel, RA Forster, A Koutsioubas, C Toprakcioglu, OA Scherman – Angewandte Chemie - International Edition (2014) 53, 10038
The control of cargo release from physically crosslinked hydrogels by crosslink dynamics
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