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Scanning electron micrographs of three samples at different magnifications.
Notes: Upper panel (Ti-1, Ti-6 h-1 and Ti-24 h-1) displays at 10, 000x magnification. Lower panel (Ti-2, Ti-6 h-2 and Ti-24 h-2) displays at 50,000x magnification.
Abbreviations: Ti, control titanium surface; Ti-6 h, small size nano-sawtooth surface, treated with 30 wt% H2O2 for 6 hours; Ti-24 h, large size nano-sawtooth surface, treated with 30 wt% H2O2 for 24 hours.
