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The morphology, self-assembly, and host-guest properties of cellulose nanocrystals surface grafted with cholesterol.
Carbohydrate Polymers ( IF 10.7 ) Pub Date : 2020-01-08 , DOI: 10.1016/j.carbpol.2020.115840 Zhaleh Pourmoazzen 1 , Hasan Sadeghifar 2 , Jiachuan Chen 3 , Guihua Yang 3 , Kai Zhang 3 , Lucian Lucia 4
Carbohydrate Polymers ( IF 10.7 ) Pub Date : 2020-01-08 , DOI: 10.1016/j.carbpol.2020.115840 Zhaleh Pourmoazzen 1 , Hasan Sadeghifar 2 , Jiachuan Chen 3 , Guihua Yang 3 , Kai Zhang 3 , Lucian Lucia 4
Affiliation
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Cellulose nanocrystals (CNC) were prepared using acid hydrolysis of cellulose fiber. The CNC modified topo-chemically by grafting of bulky cholesterol moieties which changed subsequent morphology, thermal behavior, lyotropic crystalline properties, and host-guest release behavior. Bond formation between the cellulose nanocrystals surfaces and cholesterol was confirmed by FT-IR and solid-state NMR. The product indicated strong hydrophobic characteristics with an ordered chiral nematic self-assembly. This novel biomaterials were exploited through uptake of folic acid as part of a preliminary host-guest system. The guest molecule released as a function of physiologically relevant pHs was examined.
中文翻译：
表面接有胆固醇的纤维素纳米晶体的形态，自组装和客体特性。
纤维素纳米晶体（CNC）是使用纤维素纤维经酸水解制备的。CNC通过嫁接庞大的胆固醇部分对拓扑化学修饰，从而改变了随后的形态，热行为，溶致晶体特性和客体释放行为。通过FT-IR和固态NMR确认了纤维素纳米晶体表面和胆固醇之间的键形成。该产物显示出强的疏水特性，并具有有序的手性向列自组装。这种新的生物材料是通过吸收叶酸作为初步宿主系统的一部分而开发的。检查释放的客体分子与生理相关pH的关系。
更新日期：2020-01-09
中文翻译：
表面接有胆固醇的纤维素纳米晶体的形态，自组装和客体特性。
纤维素纳米晶体（CNC）是使用纤维素纤维经酸水解制备的。CNC通过嫁接庞大的胆固醇部分对拓扑化学修饰，从而改变了随后的形态，热行为，溶致晶体特性和客体释放行为。通过FT-IR和固态NMR确认了纤维素纳米晶体表面和胆固醇之间的键形成。该产物显示出强的疏水特性，并具有有序的手性向列自组装。这种新的生物材料是通过吸收叶酸作为初步宿主系统的一部分而开发的。检查释放的客体分子与生理相关pH的关系。
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