Inkjet printing and cell seeding thermoreversible photocurable gel structures

Manuela Di Biase, Rachel E. Saunders, Nicola Tirelli, Brian Derby

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    Abstract

    We have developed a biocompatible fluid suitable for inkjet delivery that gels by a tandem mechanism of a rapid physical gelation followed by a photoactivated chemical cross-linking. We prepared 20 vol% aqueous solutions of acrylate functionalised Pluronic F127, a poly(ethylene glycol-b-propylene glycol-b-ethylene glycol) (PEO-PPO), with triethanolamine and eosin Y as a photocurable cross-linker combination; poly(ethylene glycol) diacrylate was also added to the solution to improve the sol-gel transition. This fluid has a viscosity
    Original languageEnglish
    Pages (from-to)2639-2646
    Number of pages7
    JournalSoft Matter
    Volume7
    Issue number6
    DOIs
    Publication statusPublished - 21 Mar 2011

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