Journal
JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 539, Issue -, Pages 87-94Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2018.12.040
Keywords
Microfluidics; Two-dimensional; Microreactor; Nanosheet; Surface pattern
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Funding
- NIH Director's Transformative Research Award [R01HL137157]
- NSF [ECCS 1128677, 1309686, 1509369]
- Electron Microscope Facility at Dartmouth College
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1309686, 1509369] Funding Source: National Science Foundation
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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.
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