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Resolution: standard / high Figure 7.
Viability of HeLa cells after 24- and 48-h incubations (n = 5). Single asterisk denotes p < 0.05 (compared with PBS), while double asterisk indicates p < 0.01 (compared with PBS).
Qiu et al. Nanoscale Research Letters 2012 7:666 doi:10.1186/1556-276X-7-666 |
