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. 2016 Jan 8;14:2. doi: 10.1186/s12951-015-0155-8

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© Krawinkel et al. 2016

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 7 — Metabolic activity of cells. Long-term influence on laser viability tested 48 and 72 h after laser treatment using PrestoBlue. All values are background corrected for the blank with only cell culture medium. Laser irradiation has no influence on cell proliferation. Cells killed with methanol/ethanol act as negative control. n = 6