Water in micro- and nanofluidics sytems described using the water potential

Eijkel, Jan C.T. and Berg van den, Albert (2005) Water in micro- and nanofluidics sytems described using the water potential. Lab on a Chip, 2005 (5). pp. 1202-1209. ISSN 1473-0197

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Abstract:	This Tutorial Review shows the behaviour of water in micro- and nanofluidic systems. The chemical potential of water (water potential) conveniently describes the energy level of the water at different locations in and around the system, both in the liquid and gaseous state. Since water moves from high to low potential, the water potential enables us to predict and describe the direction of water movement inside systems and between systems and their surroundings. Practical examples of microfluidic devices illustrate the different contributions to the water potential (capillary, gravitational, entropic (osmotic) in liquid water; the partial vapour pressure in atmospheric water and van der Waals forces in water films) and the resulting water movement.
Item Type:	Article
Copyright:	© 2005 Royal Society of Chemistry
Faculty:	Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:	Biomedical and Environmental Sensor systems (BIOS)
Link to this item:	http://purl.utwente.nl/publications/52938
Official URL:	http://dx.doi.org/10.1039/b509819j
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