Figure 5.

AFM surface morphology of fish gelatin films. AFM surface morphology of fish gelatin films for the (a) control film, (b) 3% ZnO NRs, and (c) 5% ZnO NRs incorporated.

Rouhi et al. Nanoscale Research Letters 2013 8:364   doi:10.1186/1556-276X-8-364
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