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Bioengineers Develop 'Microscope on a Chip'
Washington, July 29 -- California Institute of Technology researchers have miniaturised microscope small enough to sit on a fingertip, but with the magnifying power of its high-resolution counterparts.
The "microscopic microscope" operates without lenses and can be used for analysis of blood samples for malaria or to check water supplies for giardia and other pathogens.
"It could be put in a cell phone - and it can use just sunlight for illumination, which makes it very appealing for Third-World applications," said Changhuei Yang of the California Institute of Technology (Caltech), member of the team that developed the device, dubbed optofluidic microscope.
The new instrument can be mass-produced for $10 and combines traditional computer-chip technology with micro-fluidics - the channelling of fluid flow at incredibly small scales.
