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The development of the super high sensitive detection method not to be affected by the oxidation, a reduction material in a living body sample and the potential for expansion.

Research Project

Project/Area Number 18K07450
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52010:General internal medicine-related
Research InstitutionKyushu University

Principal Investigator

HOKAZONO EISAKU  九州大学, 医学研究院, 講師 (60404042)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords高感度検出 / 錯体 / 過酸化水素 / 酸化・還元 / 酸化 / 還元
Outline of Final Research Achievements

In this study, we attempted to develop a new detection system with higher sensitivity and specificity than the current method by inducing coloration of three-dimensional complexes, aiming to construct a highly sensitive measurement system to directly quantify hydrogen peroxide, instead of the conventional detection by redox reaction.
In the investigation, it was found that this method was strongly affected by turbidity of the reaction solution due to protein components mixed in from the sample, so the scope of application of this analytical technology was restricted to environments with low protein content, and the target of application was reexamined. We found that this method has potential for application as a detection technology for nucleic acid amplification in bacterial and viral diagnostic tests.

Academic Significance and Societal Importance of the Research Achievements

本検討の成果により、細菌検査やウイルス診断検査における核酸増幅の検出技術としての応用の可能性を見出すことができたことから、迅速かつ簡便な新しい核酸増幅定性・定量検出システムの構築に加え緊急時・災害時の電気,水などのライフラインの乏しい医療現場での感染症などの遺伝子検査キッ トの検出系全般への高感度技術の応用展開が可能であると考える。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (2 results)

All 2021

All Presentation (2 results)

  • [Presentation] Br-PAPSを用いた過酸化水素高感度検出における基礎的検討2021

    • Author(s)
      福元沙織、内海 健、外園栄作
    • Organizer
      第61回日本臨床化学会年次学術集会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 核酸増幅過程の副産物ピロリン酸の高感度検出技術に関する検討2021

    • Author(s)
      福元沙織、内海 健、外園栄作
    • Organizer
      第61回日本臨床化学会年次学術集会
    • Related Report
      2021 Annual Research Report

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Published: 2018-04-23   Modified: 2023-01-30  

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