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The study on hemo-compatibility of hydrophilic and hydrophobic SiCOH plasma coating
WANG Gui-xue 1 *,ZHANG Qin 1,SHEN Yang 1,GE Shu-ping 1,JIA Dong-yu 1,TANG Chao-jun 1,YU Qing-song 2
1.Bioengineering College, Chongqing University
2.Department of Mechanical and Aerospace Engineering, University of Missouri
*Correspondence author
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Funding: 国家科技部（No.2004DFA06400）
Opened online:23 February 2009
Accepted by: none
Citation: WANG Gui-xue,ZHANG Qin,SHEN Yang.The study on hemo-compatibility of hydrophilic and hydrophobic SiCOH plasma coating[OL]. [23 February 2009] http://en.paper.edu.cn/en_releasepaper/content/29506
 
 
Low- temperature plasma deposition technique was used to prepare hydrophilic and hydrophobic SiCOH coating on the surface of silicon wafer. The flow ratio of two kinds of monomers, TMS and O2 could be controlled to obtain different hydrophilic plasma SiCOH coating. The results showed that, with increase of flow rate of O2, the hydrophilicity of surface with SiCOH coating could be improved, the water contact angle decreased from 105.8±3.0°to 29.8±2.1°. The results of blood proteins and platelets adhesion, activated partial thromboplastin time (aPTT) also showed that the blood-compatibility could be enhanced with the increase of hydrophilicity of plasma SiCOH coating.
Keywords:low temperature plasma deposition; plasma SiCOH coating; hydrophilicity and hydrophobicity; hemo-compatibility
 
 
 

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