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nanotimes News in Brief

12-01 :: January 2012

Biochips // New Biochip Uses Plasmonic Interferometers and Measures Glucose Concentrations in Human Saliva © Based on Material by Brown University

Image: Each plasmonic interferometer – thousands of them per square millimeter – consists of a slit flanked by two grooves etched in a silver metal film. The schematic shows glucose molecules “dancing” on the sensor surface illuminated by light with different colors. Changes in light intensity transmitted through the slit of each plasmonic interferometer yield information about the concentration of glucose molecules in solution. © Domenico Pacifici

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