Surface Modification of PMMA IOL by CF4/O2 RF-plasma

Chem. J. Chinese Universities

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Surface Modification of PMMA IOL by CF₄/O₂ RF-plasma

ZHANG Li-Hua¹, WU Di¹, CHEN Ya-Shao^1*, LI Xue-Jiao¹, ZHAO Bao-Ming¹, HUANG Chang-Zheng²

1. Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Materials Science, Shaanxi Normal University, Xi’an 710062, China;
2. Able Eye Device Co. Ltd., Zhengzhou 450008, China

Received:2008-01-23 Revised:1900-01-01 Online:2008-09-10 Published:2008-09-10
Contact: CHEN Ya-Shao

Abstract

Abstract: To improve biocompatibility and transmittance of polymethyl methacrylate intraocular lens(PMMA IOL), the surface of PMMA IOL was treated by CF₄/O₂ redio-frequency(RF)-plasma. The modified PMMA IOLs were characterized by the attenuated total reflectance Fourier transfer infrared spectroscopy(ATR-FTIR), X-ray photoelectron spectroscopy(XPS), the contact angle(CA) measurement, scanning electron microscopy(SEM) and ultraviolet-visible spectroscopy(UV-Vis), respectively. The results indicated that the treatment of CF₄/O₂ RF-plasma could make the modified PMMA IOL not only increase the contents of fluorine and oxygen, hydrophilicity and anti-ultroviolet radiation but also improve biocompatibility. Based on these results, the treatment of CF₄/O₂ RF-plasma is an effective method to improve the performance of PMMA IOL.

Key words: PMMA IOL, CF₄/O₂, Plasma treatment, Biocompatibility, Transmittance

CLC Number:

O647.11

TrendMD:

ZHANG Li-Hua¹, WU Di¹, CHEN Ya-Shao^1*, LI Xue-Jiao¹, ZHAO Bao-Ming¹, HUANG Chang-Zheng². Surface Modification of PMMA IOL by CF₄/O₂ RF-plasma[J]. Chem. J. Chinese Universities, doi: .

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Surface Modification of PMMA IOL by CF₄/O₂ RF-plasma

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