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科学家研究出指纹的水分调节机制,有助于机器人、假肢开发
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你之所以能够握住智能手机,很大程度上要归功家研于手上的指纹脊线。它们通过精确调节皮肤湿度,为你操纵物体提供究出更大的抓握力。
而现在,英国伯明翰大学和韩国首尔国立大学、延世指纹大学等研究机构的研究人员,在一项最新研究中揭示了指纹的水分调节机制的水,这不仅可以帮助人们更好地抓握物体,还能帮助科学家开发出更好的假肢分调、机器人设备和虚拟现实环境。
具体而言,研究人员发现,当手指与节机不透水的表面接触时,指纹脊线部毛孔中的汗液会使皮肤更柔软,从而制,显著增加摩擦力。而脊线汗液的顺应性增加最终会导致毛孔堵塞,防止释有助放出过多的水分从而降低抓握物体的能力。
利用高科技激光成像技于机术,研究人员发现,水分调节由两部分组成,即上述汗孔阻塞过程,以及由于器人接触物体时表皮脊线特定横截面形状变化导致的外部多余水分的加速蒸、假发。
无论最初手指肚是湿的还是干的,上述两个过程使指纹脊线保持最佳肢开湿度,从而使摩擦力最大化。
相关研究成果发表在了PNAS上。
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