Biological Immunoassay Utilizing Magnetic Marker and High $T_{\text{c}}$ Superconducting Quantum Interference Device Magnetometer

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著者

    • Enpuku Keiji Enpuku Keiji
    • Research Institute of Superconductor Science and Systems, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
    • Kuroda Daisuke Kuroda Daisuke
    • Research Institute of Superconductor Science and Systems, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
    • Yang Tong Qing
    • Research Institute of Superconductor Science and Systems, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan
    • Yoshinaga Kohji
    • Department of Applied Chemistry, Kyushu Institute of Technology, 1-1 Sensui, Tobata-ku, Kitakyushu 804-8550, Japan
    • Nakahara Tae
    • Department of Applied Chemistry, Kyushu Institute of Technology, 1-1 Sensui, Tobata-ku, Kitakyushu 804-8550, Japan
    • Kuma Hiroyuki
    • Department of Medical Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
    • Hamasaki Naotaka
    • Department of Medical Science, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan

抄録

Detection of the biological binding-reaction between an antigen andits antibody was performed by using a magnetic marker and a high $T_{\text{c}}$ superconducting quantum interference device (SQUID) magnetometer. In this method, the binding reaction is detected by measuring the magnetic field from the marker. A new marker made of Fe3O4 particle with diameter of 25 nm was developed, and the remanent field of the marker was used for the detection of the antigen called Interleukin 8 (IL8). It was shown that the present system can detect 0.1 pg weight of IL8.

収録刊行物

  • Japanese journal of applied physics. Pt. 2, Letters

    Japanese journal of applied physics. Pt. 2, Letters 42(12A), L1436-L1438, 2003-12-01

    Japan Society of Applied Physics

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各種コード

  • NII論文ID(NAID)
    10012565463
  • NII書誌ID(NCID)
    AA10650595
  • 本文言語コード
    EN
  • 資料種別
    ART
  • ISSN
    0021-4922
  • NDL 記事登録ID
    6770062
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z54-J337
  • データ提供元
    CJP書誌  CJP引用  NDL  JSAP 
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