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논문검색

Fabrication of Spiropyran-functionalized Photochromic Hydrogel Lenses

초록

영어

Poly(hydroxyethyl methacrylate)-based hydrogels were surface-functionalized with spiropyran (SP) derivatives to obtain photochromic contact lenses. The contact lens reversibly changes from colorless to purple as response to UV light since colorless ring-closed SP state converts to purple ring-opened merocyanine (MC) state under UV light irradiation. The purple contact lens emits red light at 640 nm. Importantly, the presence of SP segments did not significantly affect the equilibrium water content (EWC) of the lens. SP-functionalized hydrogel lenses may find potential applications in developing light-adaptive ophthalmic materials.

목차

Abstract
 1. Introduction
 2. Materials and Methods
  2.1. Chemicals and Equipment
  2.2. Synthesis of Photochromic P(HEMA) Contact Lenses
  2.3. Measurement of Equilibrium Water Content(EWC)
 3. Results and Discussion
 4. Conclusions
 Acknowledgments
 References

저자정보

  • Cheol Woo Lee Department of Optometry and Optic Science, Dongshin University, Naju, Jeonnam 520-714, Korea
  • Isabel Wen Badon Department of Chemistry, Chosun University, Gwangju 61452, Korea
  • Boram Kim Department of Chemistry, Chosun University, Gwangju 61452, Korea
  • Geun-Chang Ryu Department of Optometry and Optic Science, Dongshin University, Naju, Jeonnam 520-714, Korea
  • Ho-Joong Kim Department of Chemistry, Chosun University, Gwangju 61452, Korea

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