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. 2012 Aug 31;7(8):e44289. doi: 10.1371/journal.pone.0044289

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© 2012 Alkawareek et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Percentage cell reduction curves of P. aeruginosa biofilm cells upon exposure to the 20 kHz plasma jet. The dotted line is based on the standard colony count method whereas the solid line is based on the XTT assay. (Each point represents the mean of 3 values ± SE).