DAVID SCHARF / SCIENCE PHOTO LIBRARY DAVID SCHARF / SCIENCE PHOTO LIBRARY
Microfluidic chip. Coloured scanning electron micrograph (SEM) of the channels of a microfluidic microchip, a type of microelectromechanical system (MEMS). This silicon chip may be used for carrying out chemical reactions, processing drugs or analysing DNA. MEMS include tiny robots (nanorobots), as well as miniature laboratories ("labs on a chip") which can be used in sensors and diagnostic devices. In addition to their microscopic size, MEMS are lightweight and can be made cheaply. This chip was made by the Cepheid Corporation, California, USA. Magnification:x 353 at 6x7 cm size.
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