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Engineering and Application of Pillar[6]arene Functionalized Chiral Surface in Selective Adsorption of R-Adrenaline

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摘要 Chiral properties of biological surface is of importance as they dominate interactions with biomolecules(such as proteins,nucleic acids,hormones)in a living system.Inspired by this phenomenon,we designed and constructed a L-/D-N-acetyl-cysteine-pillar[6]arene functionalized Si surface(L-/D-NACP surface)for studying the influence of superficial chirality on selective adsorption of R-adrenaline.The fabricated chiral L-/D-NACP surface with consistency in hydrophilia and elementary composition exhibited a strong mirror-symmetric circular dichroism signal.In the adsorption study,the contact-angle of R-adrenaline droplet on D-NACP surface was more hydrophilic from macroscopical view,and the size and quantity of R-adrenaline aggregation on D-NACP surface was larger than L-NACP surface,implying selective adsorption of R-adrenaline appeared on the D-NACP surface.The possible mechanism was due to the stronger host-guest interaction between D-NACP and R-adrenaline,which facilitated the selective adsorption.Besides,the D-NACP surface with good selectivity can be used for chiral separation of racemic adrenaline.The results enhance the under-standing of hormones adsorption affected by surface chirality,and may provide some helpful inspiration for practical application of chiral surface.
出处 《Chinese Journal of Chemistry》 SCIE CAS CSCD 2022年第8期925-930,共6页 中国化学(英文版)
基金 supported by the National Key Research and Development Program(2021YFA0716702) the Naxtional Natural Science Foundation of China(22071074,21772055the 111 Project(B17019) the Open Project Program of State KeyLaboratory of Food Science and Technology Jiangnan University(SKLF-KF-202103)。
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