Microscopic Effects in Micro-fluidics
Introduction
Fluidics Micromachining Process
Examples of Microfluidic Devices
Applications
Physics of Microfluidics
Microfluid flow is low Reynolds number flow.
Diffusion becomes more prominent at small scales.
Diffusive flow in a microchannel.
The volume/surface area problem
Protein Adsorption
Commercial Apps: Example
Micro-fluidic Separations
How an H Filter works.
Flow pattern at the intersection.
Diffusion based separation.
PPT Slide
Small molecules diffusing.
Whole Blood (FITC albumin diffusing)
Flow Profiles
Valveless Flow Switching
Flow switching between two channels.
Switching Time
Sedimentation
Fast Mixing Experiments
Continuous Flow Mixing
Hydrodynamic Focusing
Example Results, 10 s integration
Conclusions
Acknowledgements
Email: jpbrody@u.washngton.edu
Home Page: http://brody.bioeng.washington.edu
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