Hand-held lab-on-a-chip to simplify blood tests

A cell phone sized blood-count machine requiring less blood than a mosquito bite will make blood tests easier for many patients, from neonatal units to astronauts.

Speed is the driving force for lab-on-a-chip device development

A quick walk around any electronics shop will show you that bigger is no longer better. Mobile phones are shrinking alarmingly, and advances in computing power has seen palmtop computers go from glorified battery-powered filofaxes to sophisticated devices capable of guiding you to the nearest bar selling obscure spirits. Stuart Nathan reports.



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