Related Experiment Videos
Integrated flow-cells for novel adjustable sheath flows.
J H Nieuwenhuis1, J Bastemeijer, P M Sarro
1Industrial Sensor Systems, Institute IEMW, Vienna University of Technology, Austria.
Lab on a Chip
|April 22, 2004
Summary
Two novel flow-cells enable precise control over sample flow dimensions using sheath flows. These easily fabricated devices are compatible with sensor integration and show good agreement with simulations.
Area of Science:
- Microfluidics
- Fluid dynamics
- Biotechnology
Background:
- Precise control of fluid dynamics is crucial in microfluidic devices.
- Existing flow-cell designs often lack dynamic control over sample flow dimensions.
Purpose of the Study:
- To present two integrated flow-cells capable of generating novel sheath flows.
- To enable dynamic orthogonal control and free positioning of sample flow within a channel.
Main Methods:
- Fabrication of integrated flow-cells.
- Generation of sheath flows for sample manipulation.
- Experimental validation of flow dimension control.
- Finite element simulations for comparison.
Main Results:
- Demonstrated wide-range control over sample flow dimensions.
- Achieved dynamic orthogonal control of sample flow.
- Successfully positioned sample flow freely within the channel.
- Experimental results showed good agreement with simulation data.
Conclusions:
- The presented flow-cells offer a simple and effective method for precise microfluidic control.
- The design's compatibility with sensor integration opens avenues for advanced applications.
- The technology facilitates enhanced manipulation of microscale fluid samples.