Anti-adhesion is a common phenomenon in living organisms, which is the evolution results to adapt their living surroundings. From the perspective of surface type, there are two typical anti-adhesion mechanisms: micro...Anti-adhesion is a common phenomenon in living organisms, which is the evolution results to adapt their living surroundings. From the perspective of surface type, there are two typical anti-adhesion mechanisms: micro- and nano- surface structures and liquid-covered surface. Many living organisms possess one or two of these anti-adhesion surfac- es in order to achieve superior anti-adhesion, for example, soil animals like mole cricket and earthworm [1]. Carnivo- rous pitcher plant Nepenthes can capture and digest insects to meet the fundamental nutrients needs. When the insects crawl on its slippery peristome, they could easy-sliding into the picher, known as "aquaplaning". Wong et al. [2] at Harvard University has designed and fabricated slippery surface mimicking this slippery mechanism in Nepenthes, the results of which was published in Nature. However, questions remain about the mechanism underlying its func- tion, especially for the liquid film formation mechanism.展开更多
文摘Anti-adhesion is a common phenomenon in living organisms, which is the evolution results to adapt their living surroundings. From the perspective of surface type, there are two typical anti-adhesion mechanisms: micro- and nano- surface structures and liquid-covered surface. Many living organisms possess one or two of these anti-adhesion surfac- es in order to achieve superior anti-adhesion, for example, soil animals like mole cricket and earthworm [1]. Carnivo- rous pitcher plant Nepenthes can capture and digest insects to meet the fundamental nutrients needs. When the insects crawl on its slippery peristome, they could easy-sliding into the picher, known as "aquaplaning". Wong et al. [2] at Harvard University has designed and fabricated slippery surface mimicking this slippery mechanism in Nepenthes, the results of which was published in Nature. However, questions remain about the mechanism underlying its func- tion, especially for the liquid film formation mechanism.