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. Author manuscript; available in PMC: 2018 Sep 12.
Published in final edited form as: Ultrasound Med Biol. 2018 Jun 23;44(9):1996–2008. doi: 10.1016/j.ultrasmedbio.2018.05.010

Figure 5.

Figure 5.

Appearance of E. coli cells from 5-mL (a–c) or 10-mL (d–f) samples stained using the Romanovsky-Giemsa method. The images are not quantitative. (b, e) Material seems to be intact cells and cellular debris appears to be absent. However, the surviving fraction (SF) was (b) 0.26 ± 0.07, and (e) 0.51 ± 0.16. (c) Materials seem to be made up of cellular debris; SF at this exposure time was 0.004 ± 0.001. (f) Many apparently intact cells are visible. The associated SF was consistent with this observation, being 0.05±0.04 (i.e., about 10-fold greater than in [c]).