SURFACE PLASMON SENSOR

PROBLEM TO BE SOLVED: To effectively achieve the attachment of an objective substance to be detected and enhance sensitivity. SOLUTION: A surface plasmon sensor makes an objective substance attach on a surface plasmon element equipped with a metal thin film 20 to which a plurality of periodic apertu...

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Bibliographic Details
Main Authors SUZUKI AKIKO, SATO AKINOBU
Format Patent
LanguageEnglish
Published 09.07.2009
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:PROBLEM TO BE SOLVED: To effectively achieve the attachment of an objective substance to be detected and enhance sensitivity. SOLUTION: A surface plasmon sensor makes an objective substance attach on a surface plasmon element equipped with a metal thin film 20 to which a plurality of periodic apertures has been formed on a dielectric substrate 10 and detects a change of transmission light 32 transmitting through the apertures 21 by irradiating the surface plasmon element with light depending on the attaching objective substance, in which through-holes 11 connecting with the apertures 21 are respectively provided at each site corresponding to the apertures 21 of the dielectric substrate 10 and a plurality of flow passages flowing the fluid 41 containing the objective substance is formed by these apertures and the through-holes 11 connecting with them. COPYRIGHT: (C)2009,JPO&INPIT
Bibliography:Application Number: JP20070328328