An organic-inorganic hybrid sealing agent was fabricated and used in the plasma sprayed Al_(2)O_(3)-13 wt%TiO_(2)coating,and conventional silicone agent was also used for comparison.Protection performance of the coati...An organic-inorganic hybrid sealing agent was fabricated and used in the plasma sprayed Al_(2)O_(3)-13 wt%TiO_(2)coating,and conventional silicone agent was also used for comparison.Protection performance of the coatings was comprehensively evaluated based on both anti-corrosion and anti-biofouling properties.The results reveal that the sealing treatment is remarkably useful to decrease the porosity of the coating,and the porosity of the coating sealed with the hybrid agent is only 0.035%.Immersion corrosion test and Tafel polarization test reveal that the sealed coating with the hybrid agent exhibits a better corrosion resistance by compared with the coating sealed with silicone agent.The corrosion current density i_(corr) of the hybrid agent sealed coating is only 0.7×10^(-6)A·cm^(-2).Moreover,anti-biofouling tests both in the outdoor analogue hydraulic environment and in the natural marine environment prove that the mentioned novel coating presents a better combination of corrosion resistance and anti-biofouling property by compared with the other coatings,and it could be used as a protection of metal components in the marine environment.展开更多
目的探讨Q-Syte分隔膜密闭式无针接头在经外周静脉穿刺置入中心静脉导管(peripherally inserted central catheter,PICC)血液病患儿输液中的应用效果。方法采用随机数字表法将患儿分为观察组和对照组,每组各260例,观察组采用Q-syte分隔...目的探讨Q-Syte分隔膜密闭式无针接头在经外周静脉穿刺置入中心静脉导管(peripherally inserted central catheter,PICC)血液病患儿输液中的应用效果。方法采用随机数字表法将患儿分为观察组和对照组,每组各260例,观察组采用Q-syte分隔膜密闭式无针接头,对照组采用普通肝素帽接头。比较两组患儿置管期间管腔回血、管腔堵管、导管相关性感染及接头与输液器脱开率情况。结果两组各项观察指标发生率比较,均P<0.05,差异具有统计学意义,观察组患儿PICC置管期间管腔回血、管腔堵管、导管相关性感染及接头与输液器脱开发生率明显低于对照组。结论 Q-syte分隔膜密闭式安全接头PICC在血液病患儿输液中应用,可以降低置管期间管腔回血、管腔堵管、导管相关性感染率,其操作简便安全,值得临床推广应用。展开更多
基金the National Natural Science Foundation of China(No.51379070)the Graduate Research and Innovation Projects of Jiangsu Province(No.KYCX21_0463)。
文摘An organic-inorganic hybrid sealing agent was fabricated and used in the plasma sprayed Al_(2)O_(3)-13 wt%TiO_(2)coating,and conventional silicone agent was also used for comparison.Protection performance of the coatings was comprehensively evaluated based on both anti-corrosion and anti-biofouling properties.The results reveal that the sealing treatment is remarkably useful to decrease the porosity of the coating,and the porosity of the coating sealed with the hybrid agent is only 0.035%.Immersion corrosion test and Tafel polarization test reveal that the sealed coating with the hybrid agent exhibits a better corrosion resistance by compared with the coating sealed with silicone agent.The corrosion current density i_(corr) of the hybrid agent sealed coating is only 0.7×10^(-6)A·cm^(-2).Moreover,anti-biofouling tests both in the outdoor analogue hydraulic environment and in the natural marine environment prove that the mentioned novel coating presents a better combination of corrosion resistance and anti-biofouling property by compared with the other coatings,and it could be used as a protection of metal components in the marine environment.
文摘目的探讨Q-Syte分隔膜密闭式无针接头在经外周静脉穿刺置入中心静脉导管(peripherally inserted central catheter,PICC)血液病患儿输液中的应用效果。方法采用随机数字表法将患儿分为观察组和对照组,每组各260例,观察组采用Q-syte分隔膜密闭式无针接头,对照组采用普通肝素帽接头。比较两组患儿置管期间管腔回血、管腔堵管、导管相关性感染及接头与输液器脱开率情况。结果两组各项观察指标发生率比较,均P<0.05,差异具有统计学意义,观察组患儿PICC置管期间管腔回血、管腔堵管、导管相关性感染及接头与输液器脱开发生率明显低于对照组。结论 Q-syte分隔膜密闭式安全接头PICC在血液病患儿输液中应用,可以降低置管期间管腔回血、管腔堵管、导管相关性感染率,其操作简便安全,值得临床推广应用。
