期刊
ACS APPLIED MATERIALS & INTERFACES
卷 6, 期 18, 页码 16320-16326出版社
AMER CHEMICAL SOC
DOI: 10.1021/am504568w
关键词
fish scale; wetting; adsorption; contact angle; AFM
资金
- Brown International Scholars Program
The Gulf parrotfish (Scarus persicus) offers inspiration for a strategy to combat marine biofouling, a problem of great economic and environmental interest to the maritime community, through its use of a continually maintained, multifunctional, water-based mucus layer to cover its scales. In this study, to better understand the scale-mucus interface, we investigate the nanoscale hydrophilicity of the fish scales by comparing reconstructed force distance profiles obtained using an amplitude-modulation atomic force microscopy (AM-AFM) technique. We note significant differences between three morphologically distinct regions of each scale, as well as between scales from four spatially distinct regions of the fish. This study reveals a previously unreported property of fish scales and proves the value of a new AFM technique to the field of biomaterials.
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