期刊
RADIATION PHYSICS AND CHEMISTRY
卷 213, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2023.111257
关键词
Plant-derived hydrogel; Soft contact lens; Radiation crosslinking; Hydroxypropyl cellulose
With the expansion of global use and market of soft contact lenses (SCLs), contamination by disposable SCLs has become a potential threat to the environment. This study developed new biodegradable SCL materials based on plant-derived cellulose using a radiation crosslinking technique. The highly transparent hydrogels obtained showed excellent physicochemical and biological properties.
With the performance improvement of soft contact lenses (SCLs) over the past few decades, their global use and market have steadily expanded. Consequently, contamination by disposable SCLs has become a potential threat to the environment. From the perspective of sustainable development goals, overcoming this issue requires the development of new biodegradable SCL materials based on plant-derived cellulose. In this study, highly trans-parent hydrogels based on hydroxypropyl cellulose were prepared via a radiation crosslinking technique using electron beams. By optimizing the irradiation dose and type of added monomer, excellent physicochemical properties, such as mechanical strength and transparency, and biological properties, such as low lysozyme deposition and biodegradability, were obtained. Thus, hydrogels produced by radiation crosslinking can be potentially used as human-and environment-friendly SCL materials.
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