Key technologies and application to environmental samples toward practical use of dye nanoparticle-coated test strips for the detection of toxic metal ions at ppb level

• Project/Area Number: 25281038
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Partial Multi-year Fund
• Section: 一般
• Research Field: Environmental engineering and reduction of environmental burden
• Research Institution: Nagaoka University of Technology
• Principal Investigator: Takahashi Yukiko 長岡技術科学大学, 工学(系)研究科(研究院), 准教授 (00399502)
• Co-Investigator(Kenkyū-buntansha): WAKUI Yoshito 国立研究開発法人産業技術総合研究所, 化学プロセス研究部門, 主任研究員 (10358369)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000); Fiscal Year 2015: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2014: ¥9,750,000 (Direct Cost: ¥7,500,000、Indirect Cost: ¥2,250,000); Fiscal Year 2013: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
• Keywords: 高感度試験紙 / 簡易分析 / ナノ材料 / 環境分析

Outline of Final Research Achievements

High sensitive dye nanoparticle coated test strips (DNTSs) loaded with a thin layer composed of organic indicator dye nanoparticles have been improved from the viewpoint of preparation and detection technique and application to environmental water. Two different preparative methods of organic dye nanoparticles were proposed based on mist generation processes or precipitation in a gelatin solution. The later one provides approximately identical particle diameters and excellent long-term dispersion stability. To improve the color developing time of DNTS, the addition of water-soluble polymer and moisturizer was potentially effective to shorten the penetration time of ions and water molecules into dye nanoparticle layer. The DNTSs corresponding to the individual Fe(II) and Fe(III) ions were fabricated and applied to environmental water. The Fe(II) DNTS with the brief immersion for 10 seconds made successfully observation of Fe(II) concentration in groundwater change with time.

Research Products

• [Journal Article] Visual Detection of Arsenic Using Hydride Generation Followed by Reaction with Silver Bis(2-ethylhexyl)dithiocarbamate Retained in a Support Filter (2014)
  • Author(s): Yoshito WAKUI and Toshishige M. SUZUKI
  • Journal Title: Analytical Sciences Volume: 30 Issue: 6 Pages: 683-686
  • DOI: 10.2116/analsci.30.683
  • NAID: 130004442306
  • ISSN: 0910-6340, 1348-2246
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] アニオン性色素および塩基性イオン交換体ナノ粒子からなるナノ薄膜試験紙の作製と評価 (2014)
  • Author(s): 高橋由紀子
  • Journal Title: 分析化学 Volume: 63 Pages: 1-7
  • Peer Reviewed
• [Presentation] 環境水中の二価鉄イオンの現場分析を目指したナノ薄膜試験紙の開発 (2016)
  • Author(s): 牛木万里・高橋由紀子
  • Organizer: 日本化学会第96春季年会
  • Place of Presentation: 同志社大京田辺キャンパス
  • Year and Date: 2016-03-24
• [Presentation] イオン検出用ナノ薄膜試験紙の呈色時間 改善のための制御因子 (2015)
  • Author(s): 坂本丞・金井信和・高橋由紀子
  • Organizer: 第5回CSJフェスタ2015
  • Place of Presentation: タワーホール船堀
  • Year and Date: 2015-10-13
• [Presentation] ニッケルイオン用ナノ薄膜試験紙のニッケル合金接触テストへの試行 (2015)
  • Author(s): 穴井健太・和久井喜人・高橋由紀子
  • Organizer: 日本分析化学会第64年会
  • Place of Presentation: 九州大学伊都キャンパス
  • Year and Date: 2015-09-09
• [Presentation] 同時状態分析を目指した2価鉄用ならびに3価鉄用ナノ薄膜試験紙の開発 (2015)
  • Author(s): 牛木万里・高橋由紀子
  • Organizer: 日本化学会第95春季年会
  • Place of Presentation: 千葉
  • Year and Date: 2015-03-26 – 2015-03-29
• [Presentation] 超音波スプレーでのミスト化を経た有機色素ナノ粒子作製法の開発 (2015)
  • Author(s): 若井良太・高橋由紀子
  • Organizer: 日本化学会第95春季年会
  • Place of Presentation: 千葉
  • Year and Date: 2015-03-26 – 2015-03-29
• [Presentation] 鉄(II)イオン用ナノ薄膜試験紙をモデルとした各種添加剤による呈色および浸透時間への影響の評価 (2014)
  • Author(s): 金井信和・高橋由紀子
  • Organizer: 日本分析化学会第63年会
  • Place of Presentation: 広島
  • Year and Date: 2014-09-17 – 2014-09-19
• [Presentation] カドミウム(II)イオン用ナノ薄膜試験紙の検出時間改善を目指した高分子電解質の添加効果 (2014)
  • Author(s): 高橋由紀子・相馬聡・和久井喜人・金井信和
  • Organizer: 日本分析化学会第63年会
  • Place of Presentation: 広島
  • Year and Date: 2014-09-17 – 2014-09-19
• [Presentation] バソフェナントロリンナノ粒子からなる鉄(II)用ナノ薄膜試験紙のポリマー添加による改善 (2014)
  • Author(s): 金井信和・高橋由紀子
  • Organizer: 日本化学会第94春季年会
  • Place of Presentation: 名古屋大学
• [Presentation] メッキ排水中の亜鉛イオン検出用ナノ薄膜試験紙 (2013)
  • Author(s): 高橋 由紀子・高野 景子・和久井 喜人
  • Organizer: 日本分析化学会第62年会
  • Place of Presentation: 近畿大学東大阪キャンパス
• [Presentation] 鉛イオン検出用ナノ薄膜試験紙の開発 (2013)
  • Author(s): 高橋 由紀子・高野 景子・阿部 靖洋・和久井 喜人
  • Organizer: 日本分析化学会第62年会
  • Place of Presentation: 近畿大学東大阪キャンパス
• [Presentation] 鉄(II)及び鉄(III)の同時分析を目指したナノ薄膜試験紙の開発 (2013)
  • Author(s): 佐藤孔紀・高橋由紀子
  • Organizer: 第3回CSJフェスタ2013
  • Place of Presentation: タワーホール船堀
• [Book] Handbook of Nanoparticles/Dye Nanoparticle or Nanocomposite-Coated Test Papers for Detection at Ppb Levels of Harmful Ions (2015)
  • Author(s): Yukiko Takahashi
  • Total Pages: 13
  • Publisher: Springer
• [Book] 10.2116/analsci.30.683 (2015)
  • Author(s): Yukiko Takahashi
  • Total Pages: 500
  • Publisher: Springer
• [Book] Nanotechnology Applications for Clean Water 2nd edn. (2014)
  • Author(s): Yukiko TAKAHASHI
  • Total Pages: 592
  • Publisher: William Andrew
• [Book] Handbook of Nanoparticles (2014)
  • Author(s): Yukiko TAKAHASHI
  • Total Pages: 500
  • Publisher: Springer
• [Patent(Industrial Property Rights)] ヒ素検出方法及びヒ素検出紙 (2013)
  • Inventor(s): 和久井喜人
  • Industrial Property Rights Holder: 独立行政法人産業技術総合研究所
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2013-241979
  • Filing Date: 2013-11-22