Saturday, January 21, 2012

Diabetes: Device Checks Saliva, Not Blood


A new technique to measure glucose in saliva could eliminate the need for diabetics to draw blood to check blood sugar levels.

The biochip developed by engineers at Brown University uses plasmonic interferometers and could be employed to measure a range of biological and environmental substances. The technique takes advantage of a convergence of nanotechnology and surface plasmonics, which explores the interaction of electrons and photons (light). The engineers etched thousands of plasmonic interferometers onto a fingernail-size biochip and measured the concentration of glucose molecules in water on the chip.
Read full article at – Diabetes: Device checks saliva, not blood
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