Lotus-inspired nanotechnology applications
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- Karthick, B. & Maheshwari, R. Reson (2008) 13: 1141. doi:10.1007/s12045-008-0113-y
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The water-repellent surface of lotus (Nelumbo nucifera) leaf and flower is due to nanosized wax papillae on the upper side of each epidermal cell. As a result, raindrops make a high contact angle with the papillae and roll off carrying dust and dirt particles, leaving the surface clean. This self-cleaning property of highly hydrophobic surfaces, termed as the lotus effect, has opened the possibilities of fabricating superhydrophobic surfaces for a variety of products.