Figure 6.

SEM images of E. coli cells before and after treatment by titanium-doped ZnO powders. (a) Control, (b) zinc acetate, (c) zinc sulfate, (d) zinc nitrate, and (e) zinc chloride.

Sun et al. Nanoscale Research Letters 2014 9:98   doi:10.1186/1556-276X-9-98
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