http://news.bbc.co.uk/2/hi/health/4442095.stmMiniscule microscope testing hope Scientists have developed a tiny microscope - the width of a human hair - which they say could "revolutionise" the examination of biological samples.
Cardiff University researchers said the optical biochip could help doctors test for diseases and develop new drugs.
The team is now looking to integrate the biochip into medical technology, such as diagnostic equipment.
The biochip, developed with a £2.2m grant, works by emitting tiny lasers which analyse a cell.
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