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. 2011 Sep 26;1(4):265–274. doi: 10.3390/membranes1040265

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© 2011 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Formation of an OVV from a semi-spherical membrane by physical detachment from the electrode by a microneedle. Images are a semi-sphere before (A, arrow) and after (B) detachment by using a microneedle. Bar = 50 μm.