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. 2021 May 27;11(6):492. doi: 10.3390/life11060492

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© 2021 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 (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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A comparison of ground tests (a) versus flight tests (b) for 3 concentrations of P. aeruginosa DNA, with DI water, potable water dispenser (PWD), and unfiltered (UF) and filtered (F) water. Nanograms of DNA are equivalent to 10², 10³, and 10⁴ CFU equivalents based on genome size. Error bars are standard deviation (SD).