Understanding material-protein interactions is the basis for regulating material-blood interactions,which is a common topic of interest for medical material developers.In recent years,researchers have conducted extens...Understanding material-protein interactions is the basis for regulating material-blood interactions,which is a common topic of interest for medical material developers.In recent years,researchers have conducted extensive studies on(1)the structural charac-teristics of the plasma protein adsorption layer on the material surface,including the evolution of the protein adsorption layer and its typical binary structure.(2)Influence factors of the protein adsorption layer formation include protein factors(e.g.,isoelectric point,structural stability),material factors(e.g.,wettability,surface charge,morphology,size),and environmental factors.(3)Effects of some common plasma proteins in the protein adsorption layer on material-blood interactions.Here,we review the important research results in this field,hoping to provide a reference for future development of advanced blood contact materials.展开更多
The logical problem of foreign language learning has long been a very controversial topic.Bley-Vroman claims that L2 acquisition is very different from L1 acquisition in his paper‘What is the logical problem of forei...The logical problem of foreign language learning has long been a very controversial topic.Bley-Vroman claims that L2 acquisition is very different from L1 acquisition in his paper‘What is the logical problem of foreign language learning'.This paper views differently from his points about the role of native language,negative evidence and domain-specific cognitive facility.He emphasizes the facilitative role of the native language and ignoring the negative role of it.He views that negative evidence plays no role in child language acquisition.The author argues that sometimes children need indirect negative evidence to help their language acquisition.Finally,the author argues that the difference between adult and child language learning is not because of that the lack of domainspecific acquisition system in adults.The influencing factors are various.展开更多
基金National Natural Science Foundation of China,Grant/Award Numbers:31570957,21875092National Key Research and Development Program of China,Grant/Award Numbers:2019YFA0112000,2017YFB0702504。
文摘Understanding material-protein interactions is the basis for regulating material-blood interactions,which is a common topic of interest for medical material developers.In recent years,researchers have conducted extensive studies on(1)the structural charac-teristics of the plasma protein adsorption layer on the material surface,including the evolution of the protein adsorption layer and its typical binary structure.(2)Influence factors of the protein adsorption layer formation include protein factors(e.g.,isoelectric point,structural stability),material factors(e.g.,wettability,surface charge,morphology,size),and environmental factors.(3)Effects of some common plasma proteins in the protein adsorption layer on material-blood interactions.Here,we review the important research results in this field,hoping to provide a reference for future development of advanced blood contact materials.
文摘The logical problem of foreign language learning has long been a very controversial topic.Bley-Vroman claims that L2 acquisition is very different from L1 acquisition in his paper‘What is the logical problem of foreign language learning'.This paper views differently from his points about the role of native language,negative evidence and domain-specific cognitive facility.He emphasizes the facilitative role of the native language and ignoring the negative role of it.He views that negative evidence plays no role in child language acquisition.The author argues that sometimes children need indirect negative evidence to help their language acquisition.Finally,the author argues that the difference between adult and child language learning is not because of that the lack of domainspecific acquisition system in adults.The influencing factors are various.
