期刊
GELS
卷 8, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/gels8030164
关键词
hydrogels; photopolymers; volume holography; photo curing; multifunctional biomedical biomaterials; light-responsive materials
资金
- Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) [SA 2990/1-1]
- DFG
The study explores the application of poly(ethylene glycol)-diacrylate (PEG-DA) hydrogels with different photoinitiators in biomedical materials, achieving multifunctionality through adjustment of photoinitiator concentrations. Hydrogel films capable of light-based patterning were obtained, allowing for functionalization of surface and volume with potential applications.
Multifunctional biomedical materials capable of integrating optical functions are highly desirable for many applications, such as advanced intra-ocular lens (IOL) implants. Therefore, poly(ethylene glycol)-diacrylate (PEG-DA) hydrogels are used with different photoinitiators (PI). In addition to standard UV PI Irgacure, Erythrosin B and Eosin Y are used as PI with high sensitivity in the optical range of the spectrum. The minimum PI concentrations for producing new hydrogels with PEG-DA and different PIs were determined. Hydrogel films were obtained, which were applicable for light-based patterning and, hence, the functionalization of surface and volume. Cytotoxicity tests confirm cytocompatibility of hydrogels and compositions. Exploiting the correlation of structure and function allows biomedical materials with multifunctionality.
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