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Biochip Measures Glucose in Saliva, Not Blood

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PROVIDENCE, R.I., Jan. 24, 2012 — A new sensor that can check blood sugar levels by measuring glucose concentrations in saliva could mean that diabetics no longer have to draw their own blood. For the 26 million Americans with diabetes, drawing blood, which is invasive and at least minimally painful, is the most prevalent method of checking glucose levels. Now researchers at Brown University are working on a new biological device that can check glucose in saliva instead. The new technique combines nanotechnology and surface plasmonics. The Brown engineers etched thousands of plasmonic interferometers onto a...Read full article

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    Published: January 2012
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    nanotechnology
    The use of atoms, molecules and molecular-scale structures to enhance existing technology and develop new materials and devices. The goal of this technology is to manipulate atomic and molecular particles to create devices that are thousands of times smaller and faster than those of the current microtechnologies.
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    AmericasBasic SciencebiochipBiophotonicsbiosensor for glucose measurement in salivaBrown UniversitychemicalsdiabetesDomenico Pacificielectron-photon interactionsglucose concentration measurementhuman salivaImaginginterferometersnanonanotechnologyNational Science Foundationplasmonic interferometersResearch & TechnologyRhode IslandsensorSensors & Detectorssurface plasmonicssurface plasmons

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