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首页> 外文会议>13th International Symposium on Ceramics in Medicine and the Annual Meeting of the International Society for Ceramics in Medicine 22-26 November 2000 Bologna, Italy >Blood Compatibility and SOD Activity of H_2O_2-Oxidated Titanium Substrates
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Blood Compatibility and SOD Activity of H_2O_2-Oxidated Titanium Substrates

机译：H_2O_2氧化钛基质的血液相容性和SOD活性

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摘要

We examined blood compatibility and superoxide dismutase (SOD) activity of titania gels yielded on Ti substrate due to the treatment with H_2O_2 solutions. They were correlated to the titania gel surface characteristics. Ti subjected to the chemical treatment with H_2O_2 (H_2O_2-Ti) had high blood compatibility or hardly coagulated, and showed higher SOD activity than Ti without the chemical treatment. Ti treated with a hydrogen peroxide containing TaCl_5 (H_2O_2/Ta-Ti) had little lower blood compatibility than H_2O_2-Ti, and the SOD activity for H_2O_2/Ta-Ti were lower than that for any other Ti (Ti, H_2O_2-Ti). Thus the decrease in SOD activity for the plasma contacted with H_2O_2/Ta-Ti was in part caused by the Ta ions on the titania gel.
机译：我们检查了由于用H_2O_2溶液处理而在Ti基底上产生的二氧化钛凝胶的血液相容性和超氧化物歧化酶（SOD）活性。它们与二氧化钛凝胶表面特征相关。经过H_2O_2（H_2O_2-Ti）化学处理的Ti具有较高的血液相容性或几乎不凝结，并且比未经化学处理的Ti具有更高的SOD活性。用含TaCl_5（H_2O_2 / Ta-Ti）的过氧化氢处理的Ti的血液相容性比H_2O_2-Ti低，并且H_2O_2 / Ta-Ti的SOD活性低于任何其他Ti（Ti，H_2O_2-Ti） 。因此，与H_2O_2 / Ta-Ti接触的血浆的SOD活性降低部分是由于二氧化钛凝胶上的Ta离子引起的。

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