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Resolution: standard / high Figure 1.
SEM images of the ZnO hierarchical architectures used for the cytotoxic assessment
on RSC96 Schwann cells. (a) ZnO NPs, (b) hollow ZnO microspheres, (c) prism-like ZnO, and (d) flower-like ZnO.
Yin et al. Nanoscale Research Letters 2012 7:439 doi:10.1186/1556-276X-7-439 |
