ultra-small lab equipment based on Bladderworts roots


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Bladderwort1 Bladderwort2One of the smallest traps in the world is inspiring physicists in studies of fluids. Bladderworts are a type of plant that grows in standing water or wet soil, and sometimes in very rough conditions. A unique aspect of this plant is its underwater roots which include many microscopic bladder-like traps. The trap looks like a small bubble and is covered with tiny hairs and “trap-doors.” The plants capture tadpoles, protozoa, or even water fleas, depending upon the species. When the unsuspecting victim approaches the trap-door, it suddenly opens, sucks in the creature, and then shuts again, all in less than one-thousandth of a second. Bladderworts are among the smallest carnivorous plants in the world.

Technical application:

ultra thin pipettes

Bionic application:

 

Further description:

The “bladder” part of the trap is emptied of water, creating a partial vacuum. When suddenly opened, in-rushing fluid draws in any nearby creature. The trap-door itself is a marvel, opening like a popped balloon and then quickly reclosing perfectly to reset the trap. Physicists plan to use the bladderwort as a model for moving fluids at the microscopic level. Biotechnology requires the ability to manipulate small amounts of liquid using tools such as ultra-small pipettes. The bladderwort functions very similar to a pipette, and can be used to design lab equipment for scientific research at the level of micro fluids.

Physical effects applied:

 Capillary action, Sorption

Video:

 

Contact:

 

Sources & Picture-sources:

www.sciencenews.org.

http://www.discoveryofdesign.com

 

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