Size and density adjustment of nanostructures in nanochannels for screening performance improvement

被引:1
|
作者
Wang, Dagui [1 ]
Cheng, Hongli [2 ]
Che, Cheng [1 ]
Wu, Xiaoqing [1 ]
Feng, Yuezhan [3 ]
Gao, Pengcheng [1 ]
Xia, Fan [1 ]
机构
[1] China Univ Geosci, Fac Mat Sci & Chem, Minist Educ, Engn Res Ctr Nanogeomat, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol HUST, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China
[3] Zhengzhou Univ, Natl Engn Res Ctr Adv Polymer Proc Technol, Key Lab Adv Mat Proc & Mold, Minist Educ, Zhengzhou 450002, Peoples R China
基金
中国国家自然科学基金;
关键词
ION-TRANSPORT; SINGLE; ULTRATHIN; PROTEINS;
D O I
10.1039/d0ra10097h
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Biomimetic solid-state nanochannel/nanopore with flexible geometric structures, mechanical robustness and multifunctional surfaces have attracted extensive attention in separation, catalysis, drug delivery and other fields. Nanostructures have been introduced in nanoconfines to compress substances passthrough for high-efficient screening. However, precise controls of the nanostructure's growth in nanoconfines is rare. Herein, we developed a method to control size and number density of nanoparticles in nanochannels by adjusting polydopamine reducing conditions, achieving (1) particle size increasing, density increasing; (2) particle size increasing, density decreasing; (3) particle size increasing, density invariant; (4) particle size invariant, density increasing. The nanoparticles compressed the space of functional molecules decorated on them. Increasing size and density of nanoparticle enhanced the steric hinderance of functional molecules decorated on them and improved the wetting and chirality screening through nanochannels.
引用
收藏
页码:2325 / 2328
页数:4
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