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A novel fiber optic sensor combined with a paper-based analytical device for on-site analysis

Research Project

Project/Area Number 19K20467
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 64010:Environmental load and risk assessment-related
Research InstitutionMeiji University

Principal Investigator

Okazaki Takuya  明治大学, 理工学部, 助教 (60772556)

Project Period (FY) 2019-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords光ファイバーセンサー / 全反射減衰法 / ペーパー分析デバイス / イオン会合体 / フェナントロリン / 光ファイバーATRセンサー / ろ紙 / 河川水 / ワンステップ / マイクロPADs / 鉄フェナントロリン錯体 / 簡易分析 / ATR
Outline of Research at the Start

環境水の分析において,夾雑物の影響を受けない高い選択性をもつ簡易分析法の開発は重大な課題である。本研究では,多様な環境水質に対して前処理なしの滴下のみで分析値が得られる簡易分析法として,ペーパー分析デバイスと光ファイバー全反射減衰(ATR)法を融合した新しいデバイスの開発を行う。この方法ではペーパー分析デバイスに光ファイバーATRセンサーによる検出系を組み込むことで,懸濁物質や腐植物質など着色した共存成分の夾雑物の影響を受けずに,目的物質のみの明瞭な吸収スペクトルを検出できる。また,本法の発展形においては,広帯域の波長を利用することで,一組の装置系で多成分の一斉分析を可能としている。

Outline of Final Research Achievements

In this study, we developed a sensing technique that combines a paper analytical device and a fiber optic attenuation total reflection (ATR) method.The model for the measurement was iron(II), which is based on phenanthroline absorption spectrophotometry. The sample solution was dropped onto the paper, and the iron(II) phenanthroline complex formed could be measured from the light transmitted through the fiber optic.This method has high sensitivity and selectivity and requires only 80 to 120 microlitter of sample. The measurement was completed in a single step by simply dropping the sample.The influence of 10 μM ethyl violet as a contaminant model could be reduced by a flow path with the paper.This method was successfully applied to groundwater and river water.

Academic Significance and Societal Importance of the Research Achievements

環境水の分析において,夾雑物の影響を受けない簡易分析法の開発は重大な課題である。一般的な簡易分析法では,目視による色の比較で対象濃度を判定するため正確な測定値が得難く,測定値に個人差が影響する点にも課題がある。近年発展しているペーパー分析デバイスはワンステップで測定が完了し,極めて低コストで大量生産が可能である。一方で試薬の呈色を利用する系ではモル吸光係数が感度を制限する。本研究成果は,センサーの利用によって少試料量において高い選択性と感度を持ち,ペーパー分析のようなワンステップ分析を可能とした。測定機器が必要だが,低コストで可搬性が高いため,環境水のオンサイト分析などへの応用が期待できる。

Report

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

    (11 results)

All 2021 2020 2019

All Journal Article (8 results) (of which Peer Reviewed: 6 results,  Open Access: 3 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Potential-Scanning Sensing for Refractive Index Using an Indium Tin Oxide (ITO)-Coated Long-Period Fiber Grating (LPFG)2021

    • Author(s)
      Okazaki Takuya、Orii Tatsuya、Tan Shin-Yinn、Watanabe Tomoaki、Taguchi Akira、Rahman Faidz A.、Kuramitz Hideki
    • Journal Title

      Analytical Letters

      Volume: 55 Issue: 4 Pages: 609-619

    • DOI

      10.1080/00032719.2021.1951749

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Scale sensor: Rapid monitoring of scale deposition and inhibition using fiber optics in a geothermal system and comparison with other monitoring devices2021

    • Author(s)
      Okazaki Takuya、Kuramitz Hideki、Watanabe Tomoaki、Ueda Akira
    • Journal Title

      Geothermics

      Volume: 93 Pages: 102069-102069

    • DOI

      10.1016/j.geothermics.2021.102069

    • Related Report
      2020 Research-status Report
  • [Journal Article] Organic Ion-associate Phase Extraction/Back-microextraction for the Preconcentration and Determination of Lithium Using 2,2,6,6-Tetramethyl-3,5-heptanedione by Liquid Electrode Plasma Atomic Emission Spectrometry and GF-AAS in Environmental Water2020

    • Author(s)
      MIZUNA Kenta、MURASHIMA Ryo、OKAZAKI Takuya、SAZAWA Kazuto、KURAMITZ Hideki、TAGUCHI Shigeru、NAKAYAMA Keiko、YAMAMOTO Tamotsu、TAKAMURA Yuzuru、HATA Noriko
    • Journal Title

      Analytical Sciences

      Volume: 36 Issue: 5 Pages: 595-600

    • DOI

      10.2116/analsci.20SBP13

    • NAID

      130007840927

    • ISSN
      0910-6340, 1348-2246
    • Year and Date
      2020-05-10
    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Electrochemical Long Period Fiber Grating Sensing for Electroactive Species2020

    • Author(s)
      Okazaki Takuya、Orii Tatsuya、Tan Shin-Yinn、Watanabe Tomoaki、Taguchi Akira、Rahman Faidz A.、Kuramitz Hideki
    • Journal Title

      Analytical Chemistry

      Volume: 92 Issue: 14 Pages: 9714-9721

    • DOI

      10.1021/acs.analchem.0c01062

    • Related Report
      2020 Research-status Report
  • [Journal Article] Evanescent-Wave Fiber Optic Sensing of the Anionic Dye Uranine Based on Ion Association Extraction2020

    • Author(s)
      Okazaki Takuya、Watanabe Tomoaki、Kuramitz Hideki
    • Journal Title

      Sensors

      Volume: 20 Issue: 10 Pages: 2796-2796

    • DOI

      10.3390/s20102796

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Spectroelectrochemical Evaluation of a ZnO Optically Transparent Electrode Prepared by the Spin-spray Technique2020

    • Author(s)
      Okazaki Takuya、Taniguchi Hiroaki、Wagata Hajime、Ito Mizuki、Kuramitz Hideki、Watanabe Tomoaki
    • Journal Title

      Electroanalysis

      Volume: 印刷中 Issue: 8 Pages: 0-0

    • DOI

      10.1002/elan.202000028

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] U-Shaped Polymer Cladding and Hetero-Core Fiber Optic Sensors for Monitoring Scale Formation in Geothermal Brine2020

    • Author(s)
      Okazaki Takuya、Seto Ryuichi、Watanabe Tomoaki、Ueda Akira、Kuramitz Hideki
    • Journal Title

      Analytical Letters

      Volume: 印刷中 Issue: 13 Pages: 1-10

    • DOI

      10.1080/00032719.2020.1732400

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Journal Article] Investigation of the effects of electromagnetic field treatment of hot spring water for scale inhibition using a fibre optic sensor2019

    • Author(s)
      Okazaki Takuya、Umeki Senshin、Orii Tatsuya、Ikeya Ryusuke、Sakaguchi Aya、Yamamoto Takamichi、Watanabe Tomoaki、Ueda Akira、Kuramitz Hideki
    • Journal Title

      Scientific Reports

      Volume: 9 Issue: 1 Pages: 10719-10719

    • DOI

      10.1038/s41598-019-47088-6

    • Related Report
      2019 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 化学浴析出法にて直接成長させたZnOの損失モード共鳴に基づく光ファイバーセンサーの開発2021

    • Author(s)
      吉岡 昌紀,岡崎 琢也,我田 元,倉光 英樹,渡邉 友亮
    • Organizer
      日本分析化学会第70年会
    • Related Report
      2021 Annual Research Report
  • [Presentation] U-Shaped Fiber Optic Sensor for Real-time Monitoring of Scale Formation in Geothermal Brine2021

    • Author(s)
      T. Okazaki, R. Seto, H. Kamio, A. Ueda, H. Kuramitz, T. Watanabe,
    • Organizer
      RSC Tokyo International Conference 2021
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spectroelectrochemical Evaluation of ZnO Optically Transparent Electrode Prepared by Spin-Spray Technique2019

    • Author(s)
      T. Okazaki, H. Taniguchi, H. Wagata, M. Ito, H. Kuramitz, T. Watanabe
    • Organizer
      PACRIM13
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2023-01-30  

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