FIGURE 7 - uploaded by Sheila Devasahayam
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1 (a): (i) SEM image of the surface of a lotus leaf and (ii) a higher magnification with hierarchical structures clearly resolved. (iii) A water drop on the surface of the lotus leaf attains a nearly spherical shape. (From http://spie.org/documents/Newsroom/Imported/1441/ 1441_5423_0_2009-01-16.pdf.) (b) The lotus effect. Water forms droplets on the tips of the epidermal protrusions and collects pollutants, dirt, and small insects as it rolls off the leaf. (http://www. thenakedscientists.com/HTML/articles/article/biomimeticsborrowingfrombiology/.)
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