MEASUREMENT DEVICE
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United States of America Patent
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Jan 29, 2016
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Feb 5, 2015
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Abstract
The present invention provides a measurement device which is compact and portable and is simply operated, and which is capable of quantifying the amount of an object to be inspected with high sensitivity and high accuracy. A measurement device of the present invention includes an SPR sensor cell, a light source, and a light receiving element. The SPR sensor cell includes a plurality of optical waveguides. At least one of the plurality of optical waveguides forms a detection unit together with a metal layer onto which a recognition substance for an object to be inspected is fixed, and at least another one of the plurality of optical waveguides forms a reference unit together with a metal layer free of the recognition substance.
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