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In Vitro Biocompatibility of a New High Nitrogen Nickel Free Austenitic Stainless Steel

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Abstract:

The in vitro blood compatibility of a new nickel free high nitrogen austenitic stainless steel Fe-Cr-Mn-Mo-N (BIOSSN4) was studied by the kinetic clotting time test and the platelet rich plasma adhesion test in this paper. In comparison with 316L stainless steel, the kinetic clotting time of BIOSSN4 steel are longer, and only causes less activation of platelets in platelet adhesion test, which was indicated by their morphology and low spreading. The experimental results reveals that the BIOSSN4 stainless steel has better blood compatibility, the blood compatibility mechanism of steels was analyzed based on surface tension and interfacial tension between the steels and blood.

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Periodical:

Key Engineering Materials (Volumes 342-343)

Pages:

605-608

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.342-343.605

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Online since:

July 2007

Authors:

Yi Bin Ren, Hua Juan Yang, Ke Yang, Bing Chun Zhang

Keywords:

Biomaterial, Nickel-Free, Platelet, Surface Tension, Thromboresistant Property

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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