MEASUREMENT DEVICE AND SENSOR CHIP

WIPO Patent Application WO/2013/027544

A1

In the present invention, an illumination mechanism radiates excitation light at a prism. A measurement mechanism measures the amount of surface plasmon excitation fluorescence radiated from an antigen trapping film. A duct is formed at a duct-forming body. The antigen trapping film is affixed to the first primary surface of a gold film, and a gold film is adhered to the second primary surface of the gold film. The antigen trapping film is exposed within the duct, and traps antigens. The prism is molded from a resin. The refractive index of the prism is at least 1.5. The photoelastic coefficient of the prism is no greater than 5×10-12 Pa-1. When excitation light is radiated to the prism and a sample liquid containing a quantity of antigens that is the lower limit of detection is filling the duct, the amount of autofluorescence radiated from the prism is less than the amount of surface plasmon excitation fluorescence radiated from the antigen trapping film.

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YANAGIHARA GOU (JP)

PCT/JP2012/069410

February 28, 2013

July 31, 2012

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KONICA MINOLTA HOLDINGS INC (JP)
YANAGIHARA GOU (JP)

G01N21/64

WO2011043202A1

2011-04-14

JP2008203172A	2008-09-04
JP2005098788A	2005-04-14
JP2005077317A	2005-03-24
JP2007051886A	2007-03-01
JP2003245541A	2003-09-02

YOSHITAKE Hidetoshi et al. (JP)
Hidetoshi Yoshitake (JP)

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