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Scanning electron microscope (SEM) images of hFOB cells on (a) 11 nm, (b) 38 nm, and (c) 85 nm islands after cultured for 24 h. Additional SEM images of hFOB cells cultured on 85 nm islands after (d, e) 3 h and (f) 24 h. Arrowhead and arrow indicate the interaction with the top and other portions of island respectively. Images reproduced with permission from [42].
