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. Author manuscript; available in PMC: 2010 Feb 27.
Published in final edited form as: IEEE Rev Biomed Eng. 2008 Dec 16;1(1):75–93. doi: 10.1109/RBME.2008.2008241

Fig. 10.

Fig. 10

Depiction of passive-pumping and the increased role of surface-tension on the micro scale. The pressure from surface tension in the small drop on the left is greater than on the right, driving the dispensed volume to the right [75]. (Figure reproduced by the permission of The Royal Society of Chemistry, 2007.)