SAMPLE ANALYZER

WIPO Patent Application WO/2023/021904

A1

Provided is a sample analyzer that increases the collection rate of magnetic particles.　The sample analyzer is provided with: a flow path for introducing a sample liquid containing magnetic particles bonded to a specific substance into a capture region; a supply means for supplying the sample liquid to the flow path; a capture means which has a magnetic field structure for generating a magnetic field and which makes the magnetic particles be adsorbed by the magnetic field onto the capture region; a measurement means for measuring the specific substance adsorbed onto the capture region; and a discharge means for discharging the magnetic particles from the flow path after the measurement has been performed by the measurement means. The magnetic field structure is disposed outside the flow path and is provided with a plurality of magnets having different magnetization directions, and the plurality of magnets are disposed such that the magnetic flux density on the flow path side is greater than the magnetic flux density on the opposite side to the flow path.

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ITO HIROSHI (JP)
FUKUMURA MAMI (JP)
SUGIMURA YOSHIAKI (JP)
OGUCHI SO (JP)

PCT/JP2022/027987

February 23, 2023

July 19, 2022

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HITACHI HIGH TECH CORP (JP)

G01N35/08

WO2020061696A1

2020-04-02

JP2013238420A	2013-11-28
JP2004535292A	2004-11-25
JP2019152655A	2019-09-12
JP2021135063A	2021-09-13

MOTOKAWA: "High Magnetic Field and Material Science", MATERIAL JAPAN, vol. 37, 1998, pages 926 - 930

HIRAKI & ASSOCIATES (JP)

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