Microfluidics and Nanofluidics
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Surface modification-assisted bonding of 2D polymer-based nanofluidic devices
Microfluidics and Nanofluidics - Tập 18 Số 3 - Trang 527-535 - 2015
The impact of surface roughness on flow through a rectangular microchannel from the laminar to turbulent regimes
Microfluidics and Nanofluidics - Tập 9 - Trang 95-121 - 2009
Modifications of fluid flow within microscale flow passages by internal surface roughness is investigated in the laminar, transitional, and turbulent regimes using pressure-drop measurements and instantaneous velocity fields acquired by microscopic particle-image velocimetry (micro-PIV). The microchannel under study is rectangular in cross-section with an aspect ratio of 1:2 (depth: width) and a h...... hiện toàn bộ
Spin coating of hydrophilic polymeric films for enhanced centrifugal flow control by serial siphoning
Microfluidics and Nanofluidics - - 2013
In this paper, we implement rotational flow control on a polymeric microfluidic “lab-on-a-disc” platform by combining serial siphoning and capillary valving for sequential release of a set of on-board stored liquid reagents into a common (assay) channel. The functionality of this integrated, multi-step, multi-reagent centrifugal assay platform critically depends on the capability to establish ver...... hiện toàn bộ
Label-free isolation of circulating tumor cells using negative lateral dielectrophoresis-assisted inertial microfluidics
Microfluidics and Nanofluidics - Tập 27 Số 8 - 2023
Pressure-driven diffusive gas flows in micro-channels: from the Knudsen to the continuum regimes
Microfluidics and Nanofluidics - Tập 6 - Trang 679-692 - 2008
Despite the enormous scientific and technological importance of micro-channel gas flows, the understanding of these flows, by classical fluid mechanics, remains incomplete including the prediction of flow rates. In this paper, we revisit the problem of micro-channel compressible gas flows and show that the axial diffusion of mass engendered by the density (pressure) gradient becomes increasingly s...... hiện toàn bộ
Copper capillaries with lubricant-infused walls: fabrication and drag reduction performance
Microfluidics and Nanofluidics - Tập 26 - Trang 1-11 - 2022
The lubricant-infused surface (LIS) has emerged as a promising drag reduction surface for flow enhancement. At present, there are some applications of LISs in polymer-based microchannels for drag reduction. However, the use of the LIS in metal capillaries or microchannels for drag reduction or flow enhancement is lacking. The present work proposes a method for the fabrication of a LIS on the inner...... hiện toàn bộ
Transient flow of microcapsules through convergent–divergent microchannels
Microfluidics and Nanofluidics - - 2012
Microfluidic mixing using pulsating flows
Microfluidics and Nanofluidics - Tập 20 - Trang 1-19 - 2016
Mixing of biological species in microfluidic channels is challenging since the mixing process is limited by the small mass diffusion coefficient of the species and by the dominance of viscous effects, captured by the low value of Reynolds number characteristic of laminar liquid flow in microchannels. This paper investigates the use of pulsating flows to enhance mixing in microflows. The dependence...... hiện toàn bộ
Artificial cilia fabricated using magnetic fiber drawing generate substantial fluid flow
Microfluidics and Nanofluidics - Tập 18 - Trang 167-174 - 2014
Microscopic hair-like structures, such as cilia, exist ubiquitously in nature and are used by various organisms for transportation purposes. Many efforts have been made to mimic the fluid pumping function of cilia, but most of the fabrication processes of these “artificial cilia” are tedious and expensive, hindering their practical applications. In this paper, an attractive and potentially cost-ef...... hiện toàn bộ
A microfluidic device for capturing malaria-infected red blood cells by magnetophoretic force using an array of V- and W-shaped nickel microstructures
Microfluidics and Nanofluidics - Tập 26 - Trang 1-13 - 2022
A microfluidic device with ferromagnetic microstructures designed to locally induce strong magnetophoretic force for capturing infected blood cells has been employed for malaria diagnosis for a long time. In this study, new configurations of V- and W-shaped nickel microstructures fabricated by an electroplating process and magnet arrays were proposed to enhance the capture efficacy from the conven...... hiện toàn bộ
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