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2023 Fiscal Year Annual Research Report

Design and Development of selfpowered intelligent contact lens with 2D-MOS2 for Ocular Diagnostic

Research Project

Project/Area Number 22KF0342
Allocation TypeMulti-year Fund
Research InstitutionTokai University

Principal Investigator

槌谷 和義  東海大学, 工学部, 教授 (50399086)

Co-Investigator(Kenkyū-buntansha) JAISWAL JYOTI  東海大学, 工学部, 外国人特別研究員
Project Period (FY) 2023-03-08 – 2024-03-31
KeywordspH / MoS2 / Self power sensor / Contct lens / PVDF
Outline of Annual Research Achievements

Significant progress has been made in the development of self-powered intelligent contact lenses. Achievements include successful development of a PDMS contact lens fabrication recipe, fabrication of few-layered MoS2 nanosheets, and investigation of their piezoelectric properties. Results show enhanced piezoelectricity in MoS2-PVDF nanosheets compared to pristine-MoS2 and pristine-PVDF nanosheets. Transparent conducting polymer PEDOT:PSS thin films were deposited as contact electrodes, with ongoing efforts to improve coating uniformity and transparency. Challenges remain in developing uniform PEDOT:PSS transparent conducting layer, which will be addressed by a Master student as a future work. Additionally, work was done on microneedle, microfluidic, and e-skin pH sensors throughout the JSPS period.

  • Research Products

    (14 results)

All 2024 2023

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (10 results) (of which Int'l Joint Research: 7 results)

  • [Journal Article] Fabrication of microfluidic pH sensing chip based on sputtered Sb2O3/Sb thin film working electrode and AgIO3/Ag thin film reference electrode for detection of A549 cells2024

    • Author(s)
      1.Jyoti Jaiswal, Kazuma Sasaki, Kenta Shinha, Ganesh Kumar Mani, Hiroshi Kimura, and Kazuyoshi Tsuchiya
    • Journal Title

      Measurement

      Volume: 233 Pages: 114781

    • DOI

      10.1016/j.measurement.2024.114781

    • Peer Reviewed
  • [Journal Article] Highly sensitive on-skin flexible Sb2O3/Sb thin film pH sensor for real-time sweat sensing2024

    • Author(s)
      2.Jyoti Jaiswal, Souta Mizushima, Saeka Kanno, Kazuma Sasaki, Kazuya Kabayama, Kazuko Kaneda-Nakashima, Yuichiro Tsuyuki, and Kazuyoshi Tsuchiya
    • Journal Title

      Materials Research Bulletin

      Volume: 175 Pages: 112795

    • DOI

      10.1016/j.materresbull.2024.112795

    • Peer Reviewed
  • [Journal Article] Development of Miniaturized Microneedle Potentiometric Sensors for Real-Time LabelFree pH Detection using AgIO3/Ag/PTFE/WO3/W2024

    • Author(s)
      3.Jyoti Jaiswal, Nishijima Satoshi, Tadahiko Matsubara, Keiji Matsubara and Kazuyoshi Tsuchiya
    • Journal Title

      IEEE Transactions on Instrumentation & Measurement

      Volume: 73 Pages: 19

    • DOI

      10.1109/TIM.2023.3347783

    • Peer Reviewed
  • [Journal Article] Vertically Aligned Porous VxOy Nanofilms with Pt Decoration for Sub-ppm H2 Gas Sensors2023

    • Author(s)
      4.Jyoti Jaiswal, Abhijeet Das, Vivek Chetry, Sanjeev Kumar, Ramesh Chandra, Kazuyoshi Tsuchiya
    • Journal Title

      ACS Applied Nano Materials

      Volume: 6 Pages: 26462657

    • DOI

      10.1021/acsanm.2c05058

    • Peer Reviewed
  • [Presentation] Development of a microfluidic pH sensing chip with sputtered Sb2O3/Sb thin film working electrode and AgIO3/Ag thin film reference electrode for A549 cancer cell detection2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      The 15th Meeting of Tokai University Micro/Nano Enlightenment (Tμne)
  • [Presentation] Miniaturized microneedle pH sensors based on AgCl/Ag/PTFE/ZnO/Zn for realtime intracellular pH measurement in micro-sized cells2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      International Conference on Functional Material Applications (ICFMA2023)
    • Int'l Joint Research
  • [Presentation] Electrospun PVDF-TrFE/MoS2 nanocomposite fibres for piezoelectric energy harvesting applications2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      34th Annual General Meeting of MRSI and the 5th Indian Materials Conclave (MRSI-AGM 2023)
    • Int'l Joint Research
  • [Presentation] Development of Miniaturized Microneedle pH Sensors Based on Zinc Oxide for Real-Time pH Sensing of Various Micro-Sized Biological Cells2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      34th 2023 International Symposium on Micro-NanoMechatronics and Human Science (MHS2023)
    • Int'l Joint Research
  • [Presentation] The Impact of MoS2 nanosheets Inclusion on the Piezoelectric Energy Harvesting Performance of Electrospun PVDF-TrFE/MoS2 Nanocomposite Fiber Mats2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      Integrated Nanocomposites for Thermal and Kinetic Energy Harvesting (INTAKE Seminar 2023)
    • Int'l Joint Research
  • [Presentation] Real-Time Sweat Sensing: A Flexible On-Skin pH Sensor Utilizing Sb2O3/Sb Thin Film Technology2023

    • Author(s)
      Jyoti Jaiswal, Souta Mizushima, Saeka Kanno, Kazuma Sasaki, Kazuya Kabayama, Kazuko Kaneda-Nakashima, Yuichiro Tsuyuki, and Kazuyoshi Tsuchiya
    • Organizer
      2023 Japan Society for Precision Engineering Fall Conference Academic Lecture
  • [Presentation] Design and Fabrication of AgIO3/Ag/PTFE/WO3/W-based Microneedle Potentiometric Sensors for Real-time, Direct, Label-Free pH Detection of Innumerable Cells2023

    • Author(s)
      Jyoti Jaiswal, Nishijima Satoshi, Tadahiko Matsubara, Keiji Matsubara, Kazuyoshi Tsuchiya
    • Organizer
      2023 Japan Society for Precision Engineering Fall Conference Academic Lecture
  • [Presentation] Design and Development of Miniaturized Microfluidic pH Sensors based on Sb/Sb2O3 for Biomedical Applications2023

    • Author(s)
      Jyoti Jaiswal, Ganesh Kumar mani, Kazuyoshi Tsuchiya
    • Organizer
      International Conference on Precision Engineering and Sustainable Manufacturing 2023 (PRESM2023)
    • Int'l Joint Research
  • [Presentation] Design and Fabrication of Minimally Invasive Microneedle Sensors based on WO3 for monitoring pH of Innumerable Cells2023

    • Author(s)
      Jyoti Jaiswal, Nishijima Satoshi, Kazuyoshi Tsuchiya
    • Organizer
      7th International Conference on Microneedles (MICRONEEDLES 2023)
    • Int'l Joint Research
  • [Presentation] Room temperature H2 gas sensing properties of optimal Pt-draped vertical VOx porous thin films for early hazard detection of lithium-ion battery system2023

    • Author(s)
      Jyoti Jaiswal, Kazuyoshi Tsuchiya
    • Organizer
      The 19th International Conference on Precision Engineering (ICPE 2022)
    • Int'l Joint Research

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Published: 2024-12-25  

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