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Development of a new crime scene investigation using bloodstain

Research Project

Project/Area Number 15K15263
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Legal medicine
Research InstitutionKyoto Prefectural University of Medicine

Principal Investigator

Shintani-Ishida Kaori  京都府立医科大学, 医学(系)研究科(研究院), 准教授 (50345047)

Co-Investigator(Kenkyū-buntansha) 足立 善昭  金沢工業大学, 先端電子技術応用研究所, 教授 (80308585)
小山 大介  金沢工業大学, 先端電子技術応用研究所, 准教授 (60569888)
山口 武志  金沢工業大学, 先端電子技術応用研究所, 研究員 (20593437)
Project Period (FY) 2015-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords血痕検査 / 地磁気 / SQUID磁束計 / 残留磁化 / 磁化方向 / 血液 / 磁場 / 血痕 / 鉄 / SQUID
Outline of Final Research Achievements

Hemoglobin in the blood is a magnetic molecule holding ferrous iron; therefore, blood-stain on cloth may become magnetized by geomagnetism and preserve the geomagnetic orientation. The aim of this study was to determine the magnetic orientation preserved on the magnetized blood-stain by using a superconducting quantum interference device (SQUID) magnetometer system. The solution of 9 mM ferric chloride, which corresponds to the equivalent density of ferric ions in blood, was dropped onto the substrate in the magnetic field equivalent to approximately 1.5 times intensity of the geomagnetic field. The orientation of the magnetization on the stain samples could be identified by SQUID measurements. However, the magnetization of the blood-stain samples were not detectable.

Report

(4 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • 2015 Research-status Report
  • Research Products

    (2 results)

All 2018 2017

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Investigation of Geomagnetic Orientation Preserved in a Stain Containing Iron Compounds Using a Vector-Type SQUID Magnetometer2018

    • Author(s)
      Adachi Yoshiaki、Oyama Daisuke、Yamaguchi Takeshi、Kawai Jun、Shintani-Ishida Kaori、Ikegaya Hiroshi
    • Journal Title

      IEEE Transactions on Applied Superconductivity

      Volume: 28 Issue: 4 Pages: 1-4

    • DOI

      10.1109/tasc.2017.2784843

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Presentation] Investigation of geomagnetic orientation preserved on clothes by SQUIDs.2017

    • Author(s)
      Adachi Y, Oyama D. Kawai J, Yamaguchi T, Shintani-Ishida K, Ikegaya H.
    • Organizer
      EUCAS2017 (European conference on applied superconductivity)
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research

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Published: 2015-04-16   Modified: 2019-03-29  

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