Dielectrophoretic tweezers for examining particle-surface interactions within microfluidic devices

2007 ◽  
Vol 90 (22) ◽  
pp. 223902 ◽  
Author(s):  
Sang Woo Lee ◽  
Haibo Li ◽  
Rashid Bashir
Keyword(s):  
Particle Surface ◽  
Microfluidic Devices ◽  
Surface Interactions

Molecular dynamics simulations of particle-surface interactions

Vacuum ◽  
1995 ◽  
Vol 46 (8-10) ◽  
pp. 1195-1199 ◽  
Author(s):  
Roger Smith ◽  
Keith Beardmore ◽  
Alberto Gras-Marti
Keyword(s):  
Molecular Dynamics ◽  
Molecular Dynamics Simulations ◽  
Particle Surface ◽  
Surface Interactions ◽  
Dynamics Simulations

High pressure micromechanical force measurements of the effects of surface corrosion and salinity on CH4/C2H6 hydrate particle–surface interactions

2017 ◽  
Vol 19 (20) ◽  
pp. 13307-13315 ◽  
Author(s):  
Shenglong Wang ◽  
Sijia Hu ◽  
Erika P. Brown ◽  
Matthew A. Nakatsuka ◽  
Jiafei Zhao ◽  
...  
Keyword(s):  
High Pressure ◽  
Particle Surface ◽  
Surface Interactions ◽  
Particle Adhesion ◽  
Force Measurements ◽  
Surface Corrosion ◽  
Micromechanical Force

CH4/C2H6 hydrate particle adhesion/cohesion forces were directly measured with the presence of surface corrosion and salt.

Friction and the Continuum Limit – Where is the Boundary?

2000 ◽  
Vol 651 ◽  
Author(s):  
Yingxi Zhu ◽  
Steve Granick
Keyword(s):  
Continuum Limit ◽  
Fluid Transport ◽  
Liquid Surface ◽  
Microfluidic Devices ◽  
Slip Boundary Condition ◽  
Surface Interactions ◽  
Slip Boundary ◽  
Low Viscosity ◽  
Solid Liquid ◽  
The Continuum

AbstractThe no-slip boundary condition, believed to describe macroscopic flow of low-viscosity fluids, overestimates hydrodynamic forces starting at lengths corresponding to hundreds of molecular dimensions when water or tetradecane is placed between smooth nonwetting surfaces whose spacing varies dynamically. When hydrodynamic pressures exceed 0.1-1 atmospheres (this occurs at spacings that depend on the rate of spacing change), flow becomes easier than expected. Therefore solid-liquid surface interactions influence not just molecularly-thin confined liquids but also flow at larger length scales. This points the way to strategies for energy-saving during fluid transport and may be relevant to filtration, colloidal dynamics, and microfluidic devices, and shows a hitherto-unappreciated dependence of slip on velocity.

Role of electronic particle-surface interactions during the sputter degradation of polymers

1991 ◽  
Vol 63 (6) ◽  
pp. 561-568 ◽  
Author(s):  
Graham J. Leggett ◽  
John C. Vickerman
Keyword(s):  
Particle Surface ◽  
Surface Interactions
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