典型文献
Regulation mechanism of biomolecule interaction behaviors on the superlubricity of hydrophilic polymer coatings
文献摘要：
Hydrophilic polymer coatings can improve the surface characteristics of artificial implants. However, because they are used in vivo, they inevitably come into contact with biomolecules that affect their interfacial tribological properties. In this paper, the friction behaviors of poly(vinylphosphonic acid) (PVPA)-modified Ti6Al4V and polytetrafluorethylene balls were analyzed using albumin, globulin, aggrecan, and hyaluronic acid as lubricants. The interaction properties and dynamic adsorption characteristics of the biomolecules and PVPA molecules were explored by a quartz crystal microbalance to identify the cause of the friction difference. It was found that protein molecules disturbed the superlubricity of the PVPA-phosphate-buffered saline system because of the formation of a stable adsorption film, which replaced the interfacial characteristics of the PVPA coating. Polysaccharides, with their excellent hydration properties and polymer structure, had an unstable dynamic interaction or zero adsorption with PVPA molecules, and hardly changed the superlubricity of the PVPA and phosphate-buffered-saline system. The influence mechanism of the specific friction of proteins and polysaccharides was analyzed. Interactions were observed among different biomolecules. Polysaccharides can potentially reduce protein adsorption. The result of the synergistic regulation of the friction coefficient for PVPA-modified Ti6Al4V is approximately 0.017. The results of this study will provide a theoretical basis for the use of polymer coatings in vivo.
文献关键词：
中图分类号：
作者姓名：
Caixia ZHANG;Junmin CHEN;Mengmeng LIU;Yuhong LIU;Zhifeng LIU;Hongyan CHU;Qiang CHENG;Jianhua WANG
作者机构：
Institute of Advanced Manufacturing and Intelligent Technology,Beijing University of Technology,Beijing 100124,China;Beijing Key Laboratory of Advanced Manufacturing Technology,Beijing University of Technology,Beijing 100124,China;State Key Laboratory of Tribology,Tsinghua University,Beijing 100084,China
文献出处：
引用格式：
[1]Caixia ZHANG;Junmin CHEN;Mengmeng LIU;Yuhong LIU;Zhifeng LIU;Hongyan CHU;Qiang CHENG;Jianhua WANG-.Regulation mechanism of biomolecule interaction behaviors on the superlubricity of hydrophilic polymer coatings)[J].摩擦（英文）,2022(01):94-109
A类：
vinylphosphonic,PVPA,polytetrafluorethylene
B类：
Regulation,mechanism,interaction,behaviors,superlubricity,hydrophilic,polymer,coatings,Hydrophilic,improve,surface,characteristics,artificial,implants,However,because,they,are,used,vivo,inevitably,come,into,contact,biomolecules,that,affect,their,interfacial,tribological,properties,this,paper,friction,acid,modified,Ti6Al4V,balls,were,analyzed,using,albumin,globulin,aggrecan,hyaluronic,lubricants,dynamic,adsorption,explored,by,quartz,crystal,microbalance,identify,difference,It,was,found,disturbed,phosphate,buffered,saline,system,formation,film,which,replaced,Polysaccharides,excellent,hydration,structure,had,unstable,zero,hardly,changed,influence,specific,proteins,polysaccharides,Interactions,observed,among,different,potentially,reduce,synergistic,regulation,coefficient,approximately,results,study,will,provide,theoretical,basis
AB值：
0.488511
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机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
