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. Author manuscript; available in PMC: 2009 Nov 30.
Published in final edited form as: Respir Physiol Neurobiol. 2008 May 23;163(1-3):222–231. doi: 10.1016/j.resp.2008.05.012

Figure 1.

Figure 1

Surface tension effect on the pressure in a soap bubble (left) and a flow induced by the Marangoni stress due to the gradient in surfactant concentration, Γ that induces a flow within the liquid layer (right).