단백질흡착 감소용 하이드로겔의 개발 및 인공수정체로의 적용
Development of Hydrogel for Decrease Protein Adsorption and Application to Intraocular Lens
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초록
인공수정체로 사용되고 있는 소수성 아크릴 하이드로겔의 단백질 흡착 감소와 기능을 향상시키기 위한 하이드로겔을 제조하여 인공수정체로의 응용성을 살펴보고자 한다. 소수성 아크릴 인공수정체는 ethyleneglycol phenyletheracrylate(EGPEA), Styrene, 2-hydroxyethyl methacrylate(HEMA)를 사용하여 제작하였고 첨가제로 polyvinyl pyrrolidone(PVP)와 2-methacryloyloxyethyl phosphorylcholine(MPC)를 사용하였다. 인공수정체의 물리적 특성을 평가하기 위해 함수율, 습윤성, 광투과율 및 단백질 흡착량 을 측정하였다. 첨가제를 넣은 모든 시료의 함수율과 습윤성은 증가하였고 단백질 흡착량은 감소하였다. 특히 MPC가 포함된 시 료의 단백질 흡착량은 더욱 감소하였다. PVP와 MPC를 첨가한 소수성 아크릴 하이드로겔은 기본적인 물리적 특성을 가지면서 단백질 흡착을 감소시킴으로써 기능이 향상된 인공수정체로의 응용이 가능하다는 것을 확인하였다.
Abstract
The purpose of this study was to decrease the protein adsorption and improve the function of the hydrophobic acrylic Intraocular lens(IOL). Hydrophobic acrylic intraocular lenses were prepared by using ethyleneglycol phenyletheracrylate (EGPEA), styrene and 2-hydroxyethyl methacrylate (HEMA). Polyvinyl pyrrolidone (PVP) and 2-methacryloyloxyethyl phosphorylcholine (MPC) were used as additives. Water contents, wettability, light transmittance and protein adsorption amount were measured to evaluate the physical properties of the intraocular lens. The water content and wettability of all samples containing additives were increased and the amount of protein adsorption decreased. In particular, samples containing MPC showed a further decrease in protein adsorption. The hydrophobic acrylic intraocular lens with PVP and MPC was found to improve the function of the intraocular lens by reducing the protein adsorption while having basic physical properties.
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