MEASURING INSTRUMENT PROVIDED WITH SOLD COMPONENT CONCENTRATING MEANS

Title:

MEASURING INSTRUMENT PROVIDED WITH SOLD COMPONENT CONCENTRATING MEANS

Document Type and Number:

WIPO Patent Application WO/2004/040289

Kind Code:

A1

Abstract:

A measuring instrument (1) comprising a flow path (60) for moving a solid component (B1)-containing sample liquid (BL) and providing a liquid reaction field, and first and second electrodes (31, 32) used to apply a voltage to the liquid reaction field. A first electrode (31) has an electron transfer interface (31a) for transferring electrons between it and the liquid reaction field when a voltage is applied to the liquid reaction field via the first and second electrodes (31, 32). The measuring instrument (1) has a concentrating means (51) for increasing the concentration of solid components at portions thereof contacting the electron transfer interface (31a) in the liquid reaction field. The concentrating means (51) preferably comprises a water-absorbing layer containing an absorbing polymer material.

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Inventors:

YAMAOKA HIDEAKI (JP)
KATSUKI KOJI (JP)

Application Number:

PCT/JP2003/013963

Publication Date:

May 13, 2004

Filing Date:

October 30, 2003

Export Citation:

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Assignee:

ARKRAY INC (JP)
YAMAOKA HIDEAKI (JP)
KATSUKI KOJI (JP)

International Classes:

C12Q1/00; (IPC1-7): G01N27/327

Domestic Patent References:

WO2000042424A1	2000-07-20
WO2002054054A1	2002-07-11
WO2000042422A1	2000-07-20

Foreign References:

JP2002189014A	2002-07-05
JP2000081407A	2000-03-21
JP2000338076A	2000-12-08

Other References: