Water on the surface of a lotus leafComputer graphic of lotus leaf surface
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Plants Lotus

The lotus effect in material science is the observed self-cleaning property found with lotus plants' leaves. In some Eastern cultures, the lotus plant is a symbol of purity. Although lotuses prefer to grow in muddy rivers and lakes, the leaves and flowers remain clean. more...

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Botanists who have studied lotus leaves have found that they have a natural cleaning mechanism. This cleaning mechanism was discovered by Professor Wilhelm Barthlott, the director of the Nees-Institue for Biodiversity in Bonn, Germany.

The microscopic structure and surface chemistry of the leaves prevent them from getting wet. Water droplets roll off a leaf's surface like mercury, taking mud, tiny insects, and contaminants with them. This is known as superhydrophobicity, or more commonly, the lotus effect. Water droplets on taro leaves exhibit similar behavior.

Some nanotechnologists are developing methods to make paints, roof tiles, fabrics and other surfaces that can stay dry and clean themselves in the same way as the lotus leaf. This can usually be achieved by treatment of the surface with a fluorochemical or silicone treatment. It is also possible to achieve such effects by using combinations of polyethylene glycol with glucose and sucrose. Clothing that repels water has already been developed and marketed by brands such as Gap and Dockers; it uses a fabric named Nano-Care. Water repelling glass panels have also been brought onto the market for use on the roofs of conservatories.

In one method, an aluminium surface is made superhydrophobic by immersing it in sodium hydroxide for several hours followed by spin coating a layer of perfluorononane to a thickness of 2 nanometers. This procedure increases the water contact angle from 67° to 168°, an effect that can be explained by Cassie's law. Electron microscopy shows that the aluminium surface resembles that of a lotus surface, with a porous microstructure containing trapped air.

StoCoat™ Lotusan® is an exterior coating (paint) that mimics the microstructure of the lotus leaf surface, gaining similar water-repellent and self-cleaning properties, termed the Lotus-Effect®. Water does not adhere to the surface, but rolls off the paint, picking up and washing away debris in the process. By remaining dry, the coating also resists mold, mildew, and algae. Though hydrophobic, the coating is highly permeable to water vapor.

Read more at Wikipedia.org


Victoria Amazonica/Giant Water Lily/Lotus/6 seeds/rare! US $6.99 Victoria Amazonica/Giant Water Lily/Lotus/100 seeds/ US $118.00
Victoria Amazonia/Giant Water Lily/Plants/Lotus/20 seed US $29.00 10 value packs of 100 WATER LILY SEEDS-lotus-pond plant US $9.99
2 Red Tropical water lily tubers, lotus pond plants US $3.99 3 Mixed (Night) Tropical water lily bulbs, lotus pond US $6.99
2Jongkolnee Tropical water lily bulbs, lotus pond plant US $12.99 2 White Tropical water lily bulbs, lotus pond plants US $3.99
Value set,10 Water lily + 6 Lotus seeds = 16 Packs US $14.99 5 SEEDS! Victoria Amazonica, GIANT WATER LILY, LOTUS US $3.99
Different 8 Tropical water lily bulbs,lotus pond plant US $15.99 2 Red Nang Kwag Tropical waterlily tubers, lotus pond US $3.99
2Blue Indian God Tropical water lily bulbs, lotus plant US $3.99 5 Mixed Indian God Tropical water lily bulbs,lotus pond US $9.99
Water lily+Lotus+Canna+Plumeria +Adenium = 5 Mixed Packs US $3.99 VALUE 6 PACKS OF LOTUS SEED,NELUMBO NUCIFERA,Water lily US $7.99
50 Suwanna Water Lily seeds/ Lotus Seeds/ Pond plants US $6.50 50 Red Night Water Lily seeds/ Lotus Seeds/ Pond plants US $2.50
50 Purple Water Lily seeds/ Lotus Seeds/ Pond plants US $2.50 50 Assorted Water Lily seeds/ Lotus Seeds/ Pond plants US $2.50
10 Soft Pink Lotus seeds/ Water Lily seeds/ Pond plants US $2.50 10 Red Lotus seeds/ Water Lily seeds/ Pond plants US $2.50
10 Pink Plena Lotus seeds/ Water Lily seeds/Pond plants US $2.50 10 Assorted Lotus seeds/ Water Lily seeds/ Pond plants US $2.50
NUCIFERA ~~ SACRED LOTUS ~~~~~ seed~~~~~ US $3.36 SACRED PINK LOTUS - RARE FIND 8 seeds US $5.00
10 --- WATER LILY-LOTUS SEED STARTER CONTAINER (NEW) US $4.99 Value set diffrent 16 Packs,Water lily+Lotus seeds,pond US $24.95
Value item 8 Mixed Tropical water lily bulbs,lotus pond US $35.00 2 Yellow NangKwag Tropical waterlily tubers, lotus pond US $9.99
2 white Nang Kwag water lily tubers, lotus pond plant US $9.99 2 Jongkolnee Tropical waterlily tubers, lotus pondplant US $18.00
100 SEEDS-YELLOW TROPICAL WATER LILY-LOTUS-pond plant US $2.50 100 SEEDS-WHITE NIGHT TROPICAL WATER LILY-LOTUS POND US $2.50
100 SEEDS-PINK TROPICAL WATER LILY-LOTUS-pond plant,NR US $2.50 100 SEEDS-DARKBLUE TROPICAL WATER LILY-LOTUS-pond plant US $2.50
100 SEEDS-BLUE TROPICAL WATER LILY-lotus-pond plant,NR US $2.50 100 SEEDS, RED NIGHT TROPICAL WATER LILY, LOTUS POND US $2.50
100 SEEDS!!! MIXED TROPICAL WATER LILY, LOTUS, PLANTS US $2.50 100 SEEDS!!! LIGHT PINK TROPICAL WATER LILY, LOTUS POND US $2.50
100 SEEDS! PURPLE TROPICAL WATER LILY, LOTUS, PLANTS US $2.50 10 SEEDS,VERY SOFT PINK LOTUS,TROPICAL,NELUMBO NUCIFERA US $2.50
10 SEEDS, LIGHT PINK LOTUS, WATER LILY LOTUS,NELUMBO US $2.50 10 SEEDS!!! WHITE LOTUS,TROPICAL LOTUS,NELUMBO NUCIFERA US $2.50
10 SEEDS WHITE PLENUM TROPICAL LOTUS,NELUMBO NUCIFERA US $2.50 10 SEEDS WHITE LOTUS,NELUMBO NUCIFERA, HINDU LOTUS US $2.50
10 SEEDS ROSEUM PLENUM TROPICAL LOTUS,NELUMBO NUCIFERA US $2.50 10 SEEDS PINK LOTUS, SACRED LOTUS,NELUMBO, WATER LILY US $2.50
10 MIXED LOTUS SEEDS,TROPICAL LOTUS,NELUMBO NUCIFERA US $2.50 Nymphaea Caerulea SACRED EGYPTIAN LILY SEEDS Blue Lotus US $1.99
1 OZ. BLUE SACRED LOTUS SEEDS LILY NELUMBO NUCIFERA 28g US $25.99
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Prices current as of last update, 01/08/09 2:01pm.


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