Okazaki Takuya
| School of Advanced Engineering Department of Environmental Chemistry and Chemical Engineering | Associate Professor |
Career
- Apr. 2023 - Present
Tokyo Metropolitan University - Apr. 2018 - Apr. 2023
Meiji University, Graduate School of Science and Technology, Assistant professor - Apr. 2015 - Mar. 2018
University of Toyama, Researcher - Apr. 2015 - Mar. 2016
National Institute of Technology, Toyama College, Research support staff - Dec. 2013 - Sep. 2014
University of Toyama, Researcher
Educational Background
- Apr. 2012 - Mar. 2015
University of Toyama, Graduate School of Science and Engineering for Education, Earth, Life and Environmental Sciences - Apr. 2010 - Mar. 2012
University of Toyama, Graduate School of Science and Engineering for Education, Faculty of Science, Department of Environmental and Biology Chemistry - Apr. 2008 - Mar. 2010
Toyama National College of Technology, 専攻科, Department of Ecomaterials Engineering
Affiliated academic society
Research Field
Paper
- Electrochemically Reduced TiO2 Nanotube Arrays for Photoelectrochemical Hydrogen Production and Pollutant Degradation: Balancing Charge Separation and Reactive Oxygen Species Generation
Mir Ferdous Chowdhury; Rizki Marcony Surya; Takuya Okazaki; Fumiaki Amano
JOURNAL OF PHYSICAL CHEMISTRY C, 09 Jul. 2025 - Development of a simple visual and image-based colorimetric analytical method for Mn2+using solid-phase extraction with sedimentable dispersed particulates
Nozomi Kohama; Mika Kawahata; Takuya Okazaki; Kazuto Sazawa; Noriko Hata; Hideki Kuramitz; Shigeru Taguchi
MICROCHEMICAL JOURNAL, Jul. 2025 - Proton exchange membrane flow reactor with ozone-treated gas diffusion layers for production of pure H2O2 in aqueous and methanol solutions
Takuya Okazaki; Chihiro Tateishi; Kento Shibata; Kazuma Enomoto; Fumiaki Amano
REACTION CHEMISTRY & ENGINEERING, 24 Jun. 2025 - Spectroelectrochemical Fiber-Optic Sensor Based on Localized Surface Plasmon Resonance for Simultaneous Multiselective Electroactive Species Detection
Tatsuya Orii; Takuya Okazaki; Takamichi Yamamoto; Kazuto Sazawa; Akira Taguchi; Kazuharu Sugawara; Hideki Kuramitz
ANALYTICAL CHEMISTRY, 12 Jun. 2025 - Cu2O photocathodes for nitrate reduction reaction and enhanced stability through an adsorption mechanism
Rizki Marcony Surya; Surya Pratap Singh; Takuya Okazaki; Kosuke Beppu; Fumiaki Amano
Artificial photosynthesis, 27 Mar. 2025 - Electrocatalytic synthesis of pure H2O2 from crossover oxygen through a porous proton exchange membrane
Enomoto, K.; Okazaki, T.; Beppu, K.; Amano, F.
Materials Today Catalysis, Mar. 2025 - Rapid and Facile Organic Ion-Associate Liquid-Phase Extraction and Spectrophotometric Quantification of Nitrite in Environmental Water Samples
Noriko Hata; Kazuki Minoshima; Kei Ito; Nozomi Kohama; Kazuto Sazawa; Sachiko Osada; Takuya Okazaki; Shigeru Taguchi; Hideki Kuramitz
Molecules, Feb. 2025 - Sensitivity improvement by Langmuir film formation on a spectroelectrochemical fiber-optic sensor surface
Yamamoto, T.; Orii, T.; Okazaki, T.; Muhammad, S.; Sazawa, K.; Sugawara, K.; Kuramitz, H.
Analytical Methods, 2025 - Continuous-Flow Electron Spin Resonance Measurements of Hydroxyl Radicals Produced during Photocatalytic Water Oxidation
Suzuki, S.; Okazaki, T.; Amano, F.
Journal of Physical Chemistry C, 21 Nov. 2024 - On-Site Sensitive Colorimetry for Free Cyanide by Using Ion-Pair Solid-Phase Extraction with Sedimentable Dispersed Particulates and Mobile Photography Box
Nozomi Kohama; Takuya Okazaki; Kazuto Sazawa; Noriko Hata; Hideki Kuramitz; Shigeru Taguchi
Molecules, Nov. 2024 - Rapid Monitoring of Scale Precipitation and Inhibition in Geothermal Fluid Using Optical Fiber Sensor Based on Surface Plasmon Resonance
Ai Hosoki; Kifuyu Sugiura; Takuya Okazaki; Heejun Yang; Hideki Kuramitz; Akira Ueda; Amane Terai
Fibers, 04 Sep. 2024 - Evaluation of reflective fiber-optic surface plasmon resonance sensor for monitoring scale deposition
Takuya Okazaki; Miku Yokose; Yudai Ishii; Akira Ueda; Hideki Kuramitz; Tomoaki Watanabe
Analytical Sciences, 04 Sep. 2024 - Fiber Optic-Based Portable Sensor for Rapid Evaluation and In Situ Real-Time Sensing of Scale Formation in Geothermal Water
Takuma Matsuura; Takuya Okazaki; Kazuto Sazawa; Ai Hosoki; Akira Ueda; Hideki Kuramitz
Chemosensors, 25 Aug. 2024 - pH Effects on Electrocatalytic H2O2 Production and Flooding in Gas-Diffusion Electrodes for Oxygen Reduction Reaction
Takuya Okazaki; Kento Shibata; Chihiro Tateishi; Kazuma Enomoto; Kosuke Beppu; Fumiaki Amano
ACS Sustainable Chemistry & Engineering, 19 Jun. 2024 - In Situ Formed Organic Ion-Associate Liquid-Phase Microextraction without Centrifugation from Aqueous Solutions Using Thymol Blue and Estrogens
Sachiko Osada; Seira Takahashi; Kazuto Sazawa; Hideki Kuramitz; Nozomi Kohama; Takuya Okazaki; Shigeru Taguchi; Noriko Hata
Separations, 02 Jun. 2024 - Real-time monitoring of CaCO3 precipitation using fiber optics scale sensor under high temperature and pressure conditions
Sakurako Satake; Ai Hosoki; Takuya Okazaki; Akira Ueda; Hideki Kuramitz; Amane Terai
2024 IEEE SENSORS, 2024 - Highly selective formate formation ＜i＞via bicarbonate conversions
Kohta Nomoto; Takuya Okazaki; Kosuke Beppu; Tetsuya Shishido; Fumiaki Amano
EES Catalysis, 2024 - Microdroplet anodic stripping voltammetry at the in situ preparing antimony‐modified rotating disk electrode for determination of Cd(II) and Pb(II)
Ranran Huo; Lin Liu; Chanika Chanthasa; Takuya Okazaki; Kazuto Sazawa; Kazuharu Sugawara; Hideki Kuramitz
Electroanalysis, 29 Mar. 2023 - Simple solid-phase colorimetry for trace Cr(VI) by combination of complexation with diphenylcarbazide and ion-pair solid-phase extraction with sedimentable dispersed particulates
Nozomi Kohama; Takuya Okazaki; Kazuto Sazawa; Noriko Hata; Hideki Kuramitz; Shigeru Taguchi
Analytical Sciences, 16 Feb. 2023 - Colorimetric analysis based on solid-phase extraction with sedimentable dispersed particulates: demonstration of concept and application for on-site environmental water analysis
Kohama, N.; Matsuhira, K.; Okazaki, T.; Sazawa, K.; Hata, N.; Kuramitz, H.; Taguchi, S.
Analytical and Bioanalytical Chemistry, Dec. 2022 - Lossy mode resonance fiber-optic sensor based on ZnO particles fabricated by chemical bath deposition
Masaki Yoshioka; Takuya Okazaki; Suzumi Enjo; Hajime Wagata; Hideki Kuramitz; Tomoaki Watanabe
Analytical Sciences, 28 Nov. 2022 - U-shaped plastic optical fiber sensor for scale deposition in hot spring water
Takuya Okazaki; Hisashi Kamio; Masaki Yoshioka; Akira Ueda; Hideki Kuramitz; Tomoaki Watanabe
Analytical Sciences, 24 Sep. 2022 - Electrochemical Lossy Mode Resonance‐based Fiber Optic Sensing for Electroactive Species
Takuya Okazaki; Masaki Yoshioka; Tatsuya Orii; Akira Taguchi; Hideki Kuramitz; Tomoaki Watanabe
Electroanalysis, 09 Sep. 2022 - Organic Ion-Associate Phase Microextraction/Back-Microextraction for Preconcentration: Determination of Nickel in Environmental Water Using 2-Thenoyltrifluoroacetone via GF-AAS
Kosugi, M.; Mizuna, K.; Sazawa, K.; Okazaki, T.; Kuramitz, H.; Taguchi, S.; Hata, N.
AppliedChem, 01 Dec. 2021 - Potential-Scanning Sensing for Refractive Index Using an Indium Tin Oxide (ITO)-Coated Long-Period Fiber Grating (LPFG)
Takuya Okazaki; Tatsuya Orii; Shin-Yinn Tan; Tomoaki Watanabe; Akira Taguchi; Faidz A. Rahman; Hideki Kuramitz
ANALYTICAL LETTERS, Jul. 2021, [Reviewed] - Scale sensor: Rapid monitoring of scale deposition and inhibition using fiber optics in a geothermal system and comparison with other monitoring devices
Takuya Okazaki; Hideki Kuramitz; Tomoaki Watanabe; Akira Ueda
Geothermics, Jun. 2021, [Reviewed] - Electrochemical Long Period Fiber Grating Sensing for Electroactive Species
Takuya Okazaki; Tatsuya Orii; Shin Yinn Tan; Tomoaki Watanabe; Akira Taguchi; Faidz A. Rahman; Hideki Kuramitz
Analytical Chemistry, 21 Jul. 2020, [Reviewed] - Evanescent-wave fiber optic sensing of the anionic dye uranine based on ion association extraction
Takuya Okazaki; Tomoaki Watanabe; Hideki Kuramitz
Sensors (Switzerland), 02 May 2020, [Reviewed] - 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 water
Kenta Mizuna; Ryo Murashima; Takuya Okazaki; Kazuto Sazawa; Hideki Kuramitz; Shigeru Taguchi; Keiko Nakayama; Tamotsu Yamamoto; Yuzuru Takamura; Noriko Hata
Analytical Sciences, 2020, [Reviewed] - Spectroelectrochemical Evaluation of a ZnO Optically Transparent Electrode Prepared by the Spin-spray Technique
Takuya Okazaki; Hiroaki Taniguchi; Hajime Wagata; Mizuki Ito; Hideki Kuramitz; Tomoaki Watanabe
Electroanalysis, 2020, [Reviewed] - U-Shaped Polymer Cladding and Hetero-Core Fiber Optic Sensors for Monitoring Scale Formation in Geothermal Brine
Takuya Okazaki; Ryuichi Seto; Tomoaki Watanabe; Akira Ueda; Hideki Kuramitz
Analytical Letters, 2020, [Reviewed] - Investigation of the effects of electromagnetic field treatment of hot spring water for scale inhibition using a fibre optic sensor
Takuya Okazaki; Senshin Umeki; Tatsuya Orii; Ryusuke Ikeya; Aya Sakaguchi; Takamichi Yamamoto; Tomoaki Watanabe; Akira Ueda; Hideki Kuramitz
Scientific Reports, 01 Dec. 2019, [Reviewed] - Adsorptive Voltammetry for the Determination of Ochratoxin A Using Enrichment Effect by Cationic Surfactants
Ayesha Sultana; Kazuto Sazawa; Takuya Okazaki; Md Saiful Islam; Noriko Hata; Kazuharu Sugawara; Hideki Kuramitz
Electroanalysis, Oct. 2018, [Reviewed] - Detection of mercury (II) ions in water by polyelectrolyte–gold nanoparticles coated long period fiber grating sensor
Shin Yinn Tan; Sheng Chyan Lee; Takuya Okazaki; Hideki Kuramitz; Faidz Abd-Rahman
Optics Communications, 15 Jul. 2018, [Reviewed] - Simultaneous Multiselective Spectroelectrochemical Fiber-Optic Sensor: Sensing with an Optically Transparent Electrode
Takuya Okazaki; Eri Shiokawa; Tatsuya Orii; Takamichi Yamamoto; Noriko Hata; Akira Taguchi; Kazuharu Sugawara; Hideki Kuramitz
Analytical Chemistry, 20 Feb. 2018, [Reviewed] - Micro-organic ion-associate phase extraction/micro-volume back-extraction for the preconcentration and GF-AAS Determination of cadmium, nickel and lead in environmental water
Syeda Mushahida-Al-Noor; Ryo Murashima; Takuya Okazaki; Shigeru Taguchi; Hideki Kuramitz; Noriko Hata
Analytical Sciences, 2018 - Fiber Optic Sensor for Real-Time Sensing of Silica Scale Formation in Geothermal Water
Takuya Okazaki; Tatsuya Orii; Akira Ueda; Akiko Ozawa; Hideki Kuramitz
Scientific Reports, 01 Dec. 2017, [Reviewed] - Fiber Optic Sensor with an Optically Transparent Electrode for Monitoring CaCO3 Scale Formation in Geothermal Water
Takuya Okazaki; Takamichi Yamamoto; Akira Taguchi; Akira Ueda; Hideki Kuramitz
IEEE Sensors Letters, Oct. 2017, [Reviewed] - A Reusable Fiber Optic Sensor for the Real-Time Sensing of CaCO
3 Scale Formation in Geothermal Water
Takuya Okazaki; Tatsuya Orii; Akira Ueda; Hideki Kuramitz
IEEE Sensors Journal, 01 Mar. 2017, [Reviewed] - Development of an attenuated total reflection based fiber-optic sensor for real-time sensing of biofilm formation
Tatsuya Orii; Takuya Okazaki; Noriko Hata; Kazuharu Sugawara; Faidz A. Rahman; Hideki Kuramitz
Analytical Sciences, 2017, [Reviewed] - Development of Novel Spectrophotometric Analytical Methods for Evaluating Environmental Water Quality and Its Applications
Takuya Okazaki
BUNSEKI KAGAKU, Nov. 2015 - Development of a Fiber Optic Evanescent Wave Sensor for Anionic Surfactants Using Ethyl Violet
Takuya Okazaki; Kenichiro Imai; Ayesha Sultana; Noriko Hata; Shigeru Taguchi; Hideki Kuramitz
Analytical Letters, 22 Sep. 2015, [Reviewed] - Removal of dissolved humic acid from water by coagulation method using polyaluminum chloride (PAC) with calcium carbonate as neutralizer and coagulant aid
Ryou Sudoh; Md Saiful Islam; Kazuto Sazawa; Takuya Okazaki; Noriko Hata; Shigeru Taguchi; Hideki Kuramitz
Journal of Environmental Chemical Engineering, 01 Jun. 2015, [Reviewed] - Visual colorimetry for determination of trace arsenic in groundwater based on improved molybdenum blue spectrophotometry
Takuya Okazaki; Hideki Kuramitz; Noriko Hata; Shigeru Taguchi; Keita Murai; Kanji Okauchi
Analytical Methods, 21 Mar. 2015, [Reviewed] - Simultaneous multiselective spectroelectrochemical fiber-optic sensor: Demonstration of the concept using methylene blue and ferrocyanide
Kenichiro Imai; Takuya Okazaki; Noriko Hata; Shigeru Taguchi; Kazuharu Sugawara; Hideki Kuramitz
Analytical Chemistry, 17 Feb. 2015, [Reviewed] - Fundamental study on the development of fiber optic sensor for real-time sensing of C
a CO3 scale formation in geothermal water
Takuya Okazaki; Kenichiro Imai; Shin Y. Tan; Yun T. Yong; Faidz A. Rahman; Noriko Hata; Shigeru Taguchi; Akira Ueda; Hideki Kuramitz
Analytical Sciences, 2015, [Reviewed] - Molybdenum blue spectrophotometry for trace arsenic in ground water using a soluble membrane filter and calcium carbonate column
Takuya Okazaki; Wenjing Wang; Hideki Kuramitz; Noriko Hata; Shigeru Taguchi
Analytical Sciences, 2013, [Reviewed]
MISC
Award
- Jan. 2024
- Sep. 2021
- Sep. 2017
Fiber Optic Sensor for Real-Time Sensing of Silica Scale Formation in Geothermal Water
Royal Society of Chemistry, Best Poster Award
T. Okazaki;T. Orii;A. Ueda;H. Kuramitz - Aug. 2017
Development of an Attenuated Total Reflection Based Fiber Optic Sensor for Real-time Sensing of Biofilm Formation
Analytical Sciences, Hot Article
T. Orii;T. Okazaki;N. Hata;K. Sugawara;F. A. Rahman;H. Kuramitz - Apr. 2015
Development of fiber optic evanescent wave sensor for anionic surfactant using ethyl violet
Analytical Letters, Taylor & Francis Group, Editor's Choice
T. Okazaki;K. Imai;A. Sultana;N. Hata;S. Taguchi;H. Kuramitz - Oct. 2009
Reaction of calcium phosphate in aqueous solution containing fluoride and magnesium ions
16th Asian Symposium on Ecotechnology, Good Student Award
T. Okazaki;M. Tafu;T. Toshima;T. Chohji
Research Themes
- 01 Apr. 2024 - 31 Mar. 2027
Fabrication of ZnO transparent electrodes with controlled crystal planes by an aqueous solution method and their application to spectroelectrochemical sensors
Grant-in-Aid for Scientific Research (C), Meiji University - Sep. 2021 - Aug. 2023
環境水中フッ素濃度の簡便な計測のための光センサー／紙流路デバイスの開発 - 09 Jul. 2021 - 31 Mar. 2023
Fiber optic sensing for hydrothermal synthesis of inorganic material
Grant-in-Aid for Challenging Research (Exploratory), Meiji University - Dec. 2021 - Nov. 2022
表面プラズモン共鳴型光ファイバーセンサーによる地熱スケールの計測 - 01 Apr. 2019 - 31 Mar. 2021
A novel fiber optic sensor combined with a paper-based analytical device for on-site analysis
Grant-in-Aid for Early-Career Scientists, Meiji University - 01 Apr. 2016 - 31 Mar. 2019
Development of fiber optic sensor for liquid chromatography and application of on site analysis
Grant-in-Aid for Young Scientists (B)
