Microfluidic synthesis and on-chip enrichment application of two-dimensional hollow sandwich-like mesoporous silica nanosheet with water ripple-like surface

被引：19

作者：

Hao, Nanjing ^{[1
]}

Nie, Yuan ^{[1
]}

Closson, Andrew B. ^{[1
]}

Zhang, John X. J. ^{[1
]}

机构：

[1] Dartmouth Coll, Thayer Sch Engn, 14 Engn Dr, Hanover, NH 03755 USA

来源：

JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2019年 / 539卷

基金：

美国国家科学基金会;

关键词：

Microfluidics; Two-dimensional; Microreactor; Nanosheet; Surface pattern; FUNCTIONAL NANOPARTICLES; ADSORPTION; FUTURE;

D O I：

10.1016/j.jcis.2018.12.040

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The merits of microfluidics bring new opportunities for engineering of nanomaterials with well controlled chemical, physical and biological properties for a variety of applications. Herein, using a tworun spiral-shaped microfluidic device, we first develop a facile and straightforward flow synthesis strategy to create two-dimensional mesoporous silica nanosheet (MSN). Such MSN exhibits typical hollow sandwich-like bilayer and unique water ripple-like wrinkle surface, which greatly increase the particulate accessibility for mass transfer. The enhanced on-chip enrichment performance of MSN is further confirmed toward different substrates (dye, protein, drug). These findings not only shed new light on microfluidics-enabled chemicals engineering, but also open up numerous new possibilities by microfluidics in adsorption, separation, and biomedical fields. (C) 2018 Elsevier Inc. All rights reserved.

引用

页码：87 / 94

页数：8

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