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The lotus effect refers to self-cleaning properties that are a result of ultrahydrophobicity as exhibited by the leaves of Nelumbo, the lotus flower. [1] Dirt particles are picked up by water droplets due to the micro- and nanoscopic architecture on the surface, which minimizes the droplet's adhesion to that surface.
The sacred lotus grows in water up to 2.5 m (8 ft) deep. The minimum water depth is about 30 cm (12 in). In colder climates, having a deeper water level protects the tubers more effectively, and overall is helpful for better growth and flowering. The sacred lotus germinates at temperatures above 13 °C (55 °F). [25]
Nelumbo nucifera Gaertn. – sacred or Indian lotus, also known as the Rose of India and the sacred water lily of Hinduism and Buddhism. [20] It is the national flower of India and Vietnam . Its roots and seeds are also used widely in cooking in East Asia, South Asia and Southeast Asia.
The sacred lotus flower is an aquatic perennial plant that typically blooms vibrant petals of pink and white shades. It is one of the most beautiful plants to look at, but the lotus flower thrives ...
This honey-spoon, at the Bonn University in 1994, was the first technical product to demonstrate the self-cleaning effect of superhydrophobic surfaces after the discovery of the lotus-effect in 1977 Hassallia byssoidea (biofilm and attached to the water droplet) is a terrestrial cyanobacterium forming extreme water-repellent biofilms on rocks.
Epicuticular wax forms crystalline projections from the plant surface, which enhance their water repellency, [11] create a self-cleaning property known as the lotus effect [12] and reflect UV radiation. The shapes of the crystals are dependent on the wax compounds present in them.
The lotus leaves (Nelumbo nucifera) are water-repellent and poorly adhesive which keep them free from contamination or pollution even being immersed in dirty water. This ability, called self-cleaning, shields the plant from dirt and pathogens and plays a vital role in providing resistance towards invading microbes.
Aerial organs of many plants, such as the leaves of the sacred lotus (Nelumbo nucifera) have ultra-hydrophobic and self-cleaning properties that have been described by Barthlott and Neinhuis (1997). [12] The lotus effect has applications in biomimetic technical materials.