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New Liquid-Liquid Extraction Method using Hydrophilic Organic Solvent

Research Project

Project/Area Number 15590593
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Legal medicine
Research InstitutionKansai Medical University

Principal Investigator

YOSHIDA Manabu  Kansai Medical University, Faculty of Medicine, Lecturer, 医学部, 講師 (20122004)

Co-Investigator(Kenkyū-buntansha) AKANE Atsushi  Kansai Medical University, Faculty of Medicine, Professor, 医学部, 教授 (70202520)
OKII Yutaka  Kansai Medical University, Faculty of Medicine, Assistant, 医学部, 助手 (20121915)
Project Period (FY) 2003 – 2005
Project Status Completed (Fiscal Year 2005)
Budget Amount *help
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2005: ¥600,000 (Direct Cost: ¥600,000)
Fiscal Year 2004: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2003: ¥1,700,000 (Direct Cost: ¥1,700,000)
KeywordsExtraction / Hydrophilic Organic Solvent / Drug / Poison / Analysis
Research Abstract

Following investigation of several solvents and salts and the effect of pH to establish the new liquid-liquid extraction method using hydrophilic organic solvent, several pairs of the hydrophilic organic solvents and salts appeared suitable for the method. For liquid chromatography-mass spectrometry, ammonium acetate appeared most effective to salt out the drugs in the samples. These findings were then applied to identification and quantitation of benzodiazepines, barbiturates and antihypertensive medicines, such as barbital, phenobarbital, pentobarbital, secobarbital, nitrazepam, diazepam, bromovalerylurea, apronalide and prazosin. Furthermore, this new liquid-liquid extraction method was applied to the Triage test using gastric contents and serum specimens. The test results using samples extracted by the method was correlated better with the quantitative results by high performance liquid chromatography than those using unextracted samples.

Report

(4 results)
  • 2005 Annual Research Report   Final Research Report Summary
  • 2004 Annual Research Report
  • 2003 Annual Research Report
  • Research Products

    (14 results)

All 2005 2004 2003 Other

All Journal Article (14 results)

  • [Journal Article] Simple colorimetric semiquantitation method of hippuric acid in urine for demonstration of toluene abuse2005

    • Author(s)
      M.Yoshida, A.Akane, T.Mitani, T.Watabiki
    • Journal Title

      Legal medicine 7

      Pages: 198-200

    • NAID

      10027261091

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Simple colorimetric semiquantitation method of hippuric acid in urine for demonstration of toluene abuse2005

    • Author(s)
      Manabu Yoshida, Atsushi Akane, Tomoaki Mitani, Toshimitsu Watabiki
    • Journal Title

      Legal medicine 7

      Pages: 198-200

    • NAID

      10027261091

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Simple colorimetric semiquantitation of hippuric acid in urine for determination of toluene abuse.2005

    • Author(s)
      M.Yoshida, A.Akane, T.Mitani, T.Watabiki
    • Journal Title

      Legal Medicine 7

      Pages: 198-200

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Extraction of thiamylay in serum using hydrophilic acetonitrile with subzero-temperature and salting-out methods2004

    • Author(s)
      M.Yoshida, A.Akane, M.Nishikawa, T.Watabiki, H.Tsuchihashi
    • Journal Title

      Analytical Chemistry 75

      Pages: 4672-4675

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] 紫外吸収検出器付き高速液体クロマトグラフによるベゲタミン成分の分析法の検討2004

    • Author(s)
      吉田学, 赤根敦, 西川眞弓, 綿引利充, 三谷友亮, 吉村澄孝, 時安太久磨, 土橋均
    • Journal Title

      法医学の実際と研究 47

      Pages: 65-71

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Extraction of thiamylal in serum using hydrophilic acetonitrile with subzero-temperature and salting-out methods2004

    • Author(s)
      Manabu Yoshida, Atsushi Akane, Mayumi Nishikawa, Toshimitsu Watabiki, Hitoshi Tsuchihashi
    • Journal Title

      Analytical Chemistry 75

      Pages: 4672-4675

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Study on the identification of Vegetamine Components using HPLC with Ultraviolet Detector2004

    • Author(s)
      Manabu Yoshida, Atsushi Akane, Mayumi Nishikawa, Toshimitsu Watabiki, Tomoaki Mitani, Sumitaka Yoshimura, Takuma Tokiyasu, Hitoshi Tsuchihasi
    • Journal Title

      Res.Pract.Forens.Med 47

      Pages: 65-71

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Extraction of Thiamylal in serum using hydrophilic acetonitrile with subzero-temperature and salting-out methods2004

    • Author(s)
      M Yoshida, A Akane, M Nishikawa, T Watabiki, H Tsuchihashi
    • Journal Title

      Analytical Chemistry 76

      Pages: 4672-4675

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 紫外吸収検出器付き高速液体クロマトグラフによるベゲタミン成分の分析方法の検討2004

    • Author(s)
      吉田学, 赤根敦, 西川眞弓, 綿引利充, 三谷友亮, 吉村澄孝, 時安太久磨, 土橋均
    • Journal Title

      法医学の実際と研究 47

      Pages: 65-71

    • Related Report
      2004 Annual Research Report
  • [Journal Article] 尿中馬尿酸濃度からみたトルエン濫用者の判定についての検討-非暴露者(正常人)の尿中馬尿酸濃度を指標として-2003

    • Author(s)
      吉田学, 赤根敦, 時安太久磨, 吉村澄孝, 三谷友亮, 綿引利充
    • Journal Title

      法医学の実際と研究 46

      Pages: 153-157

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Assessment of toluene abuse using hippuric acid level in urine- criterion for concentration of hippuric acid in healthy men's urine -2003

    • Author(s)
      Manabu Yoshida, Atsushi Akane, Takuma Tokiyasu, Sumitaka Yoshimura, Tomoaki Mitani, Toshimitsu Watabiki
    • Journal Title

      Res.Pract.Forens.Med 46

      Pages: 153-157

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Triage test and HPLC assay for analysis of Vegetamin, an antipsychotic agent, using gastric contents and blood specimens.

    • Author(s)
      M.Yoshida, A.Akane, M.Nishikawa, H.Tsuchihashi
    • Journal Title

      Legal Medicine in press

    • NAID

      10024171400

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Triage test and HPLC assay for analysis of Vegetamin, an antipsychotic agent, using gastric contents and blood specimens.

    • Author(s)
      M.Yoshida, A.Akane, M.Nishikawa, H.Tsuchihashi
    • Journal Title

      Legal Medicine (in press)

    • NAID

      10024171400

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2005 Final Research Report Summary
  • [Journal Article] Triage test and HPLC assay for analysis of Vegetamin, an antipsychotic agent, using gastric contents and blood specimens.

    • Author(s)
      M.Yoshida, A.Akane, M.Nishikawa, H.Tsuchihashi
    • Journal Title

      Legal Medicine (in press)

    • NAID

      10024171400

    • Related Report
      2005 Annual Research Report

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Published: 2003-04-01   Modified: 2016-04-21  

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