Patent ID: 8023109
Filing Date: 2011-09-20
Classification: G01N

Abstract:
1. A detection device comprising: a microstructure for transporting a sample, the microstructure comprising: a plurality of channels each having a diameter of 1 nm to 10 μm; and a plurality of microparticles containing a metal element and being provided on a surface of the plurality of channels in which a target substance in the sample is brought into contact with the plurality of microparticles to obtain a composite of the plurality of microparticles with the target substance; and a detector for detecting a physical or chemical change between a state before the plurality of microparticles are brought into contact with the target substance and a state where the plurality of microparticles are brought into contact with the target substance, based on light transmitted through the microstructures upon irradiation with light, wherein the plurality of microparticles are located in a direction in which the light for irradiation travels.