IMMUNOASSAY METHOD, SPECIMEN DILUENT, AND IMMUNOCHROMATOGRAPHY KIT

Title:

IMMUNOASSAY METHOD, SPECIMEN DILUENT, AND IMMUNOCHROMATOGRAPHY KIT

Document Type and Number:

WIPO Patent Application WO/2023/017817

Kind Code:

A1

Abstract:

Provided are: an immunoassay method for detecting a protein having an isoelectric point of at least 9.5, the method comprising a step for bringing a sample containing a protein having an isoelectric point of at least 9.5 into contact with a glass material in the presence of a cationic substance; and an immunochromatography kit for detecting a protein having an isoelectric point of at least 9.5, the kit comprising a specimen diluent and an immunochromatography test strip.

Inventors:

YAJI SHOHEI (JP)
ITO SHIZUKA (JP)
OKUYAMA SHINYA (JP)
OCHIAI YASUSHI (JP)
KOHNO KEIGO (JP)
WATANABE KEISUKE (JP)
HEWSON CHRISTOPHER KENTA (JP)
SAKAI SHUN (JP)

Application Number:

PCT/JP2022/030362

Publication Date:

February 16, 2023

Filing Date:

August 09, 2022

Export Citation:

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Assignee:

SEKISUI MEDICAL CO LTD (JP)

International Classes:

G01N33/531; G01N33/543

Domestic Patent References:

WO2020085289A1	2020-04-30
WO2019058903A1	2019-03-28
WO2020196296A1	2020-10-01

Foreign References:

CN112415201A	2021-02-26
CN111398589A	2020-07-10
CN111733141A	2020-10-02
JP2021131690A	2021-09-09
JP2012233928A	2012-11-29

Other References:

YAMAOKA YUTARO, MIYAKAWA KEI, JEREMIAH SUNDARARAJ STANLEYRAJ, FUNABASHI RIKAKO, OKUDELA KOJI, KIKUCHI SAYAKA, KATADA JUNICHI, WADA: "Highly specific monoclonal antibodies and epitope identification against SARS-CoV-2 nucleocapsid protein for antigen detection tests", CELL REPORTS MEDICINE, vol. 2, 1 June 2021 (2021-06-01), pages 1 - 18, XP055896515, ISSN: 2666-3791, DOI: 10.1016/j.xcrm.2021.100311

Attorney, Agent or Firm:

NISHIZAWA Kazuyoshi et al. (JP)

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