Journal
POLYMER
Volume 117, Issue -, Pages 259-267Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2017.04.035
Keywords
Thiol-yne Click Chemistry; Microstructuring; Polylactides
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Funding
- MINECO, Spain [MAT2014-55205-P, SAF2014-54763-C2-2-R]
- FEDER funding
- Aragon Government-FSE
- MINECO
- Juan de la Cierva fellowship
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This work reports the synthesis and characterization of a series of new degradable ethynyl-ended polylactides with different architectures. These ethynyl-functionalized polylactides were blended with a commercial low molar mass tetrathiol to prepare crosslinked polymeric networks by a thiol-yne photoclick reaction that was studied by infrared spectroscopy and photocalorimetry. Cell proliferation assays with human colorectal carcinoma cells showed that the resulting polymeric networks are not cytotoxic. Two-dimensional structures were prepared by patterned curing using direct laser writing of the photopolymerizable formulations. Preliminary cell tests on substrates provided with these polymeric structures demonstrate the possibility to generate cell patterns. (C) 2017 Elsevier Ltd. All rights reserved.
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