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Issue 6, 2017
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(−)-Riboflavin (vitamin B2) and flavin mononucleotide as visible light photo initiators in the thiol–ene polymerisation of PEG-based hydrogels

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Abstract

The photoinitiators used in light mediated hydrogelation have been limited due to cytotoxicity and solubility issues. Here we report the use of riboflavin and flavin mononucleotide as nontoxic, naturally occurring photoinitiators for the thiol–ene hydrogelation of functionalised poly(ethylene glycol). High Resolution Magic Angle Spinning (HRMAS) NMR spectroscopy and oscillatory rheometry were used to probe the efficiency of these initiators for this hydrogel system. The gelation and reaction progression could easily be manipulated using different initiator concentrations and light intensities.

Graphical abstract: (−)-Riboflavin (vitamin B2) and flavin mononucleotide as visible light photo initiators in the thiol–ene polymerisation of PEG-based hydrogels

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Publication details

The article was received on 21 nóv. 2016, accepted on 20 des. 2016 and first published on 20 des. 2016


Article type: Communication
DOI: 10.1039/C6PY02034H
Citation: Polym. Chem., 2017,8, 980-984
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    (−)-Riboflavin (vitamin B2) and flavin mononucleotide as visible light photo initiators in the thiol–ene polymerisation of PEG-based hydrogels

    R. R. Batchelor, G. Kwandou, P. T. Spicer and M. H. Stenzel, Polym. Chem., 2017, 8, 980
    DOI: 10.1039/C6PY02034H

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