J-GLOBAL ID:202001003387626684   Update date: Sep. 21, 2021

Konagaya Keiji

コナガヤ ケイジ | Konagaya Keiji
Affiliation and department:
Job title: Assistant Professor
Homepage URL  (2): https://ec.cri.ehime-u.ac.jp/https://orcid.org/0000-0002-9139-0045
Research field  (2): Measurement engineering ,  Agricultural environmental and information engineering
Research theme for competitive and other funds  (2):
  • 2017 - 2020 Development of Optical Technique for Down-regulation of Enzymatic Activity
  • 2018 - 2019 Development of tomato maturities and freshness evaluaton system using fluorescence image
Papers (12):
  • Yoshito Saito, Yuuka Miwa, Makoto Kuramoto, Keiji Konagaya, Atsuhiro Yamamoto, Shintaro Hashiguchi, Tetsuhito Suzuki, Naoshi Kondo. Prediction of Oil Content in Avocado (Persea americana) Using Fluorescence Excitation Emission Matrix. Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 2021. 83. 4. 300-302
  • Keiji Konagaya, Dimas Firmanda Al Riza, Ken Abamba Omwange, Noriko Takahashi, Makoto Kuramoto, Yuichi Ogawa, Tetsuhito Suzuki, Naoshi Kondo. Fluorescence intensity ratio of tomato as an index of overripeness: An index regardless of maturity at harvest. Journal of the Faculty of Collaborative Regional Innovation, Ehime University. 2021. 5. 1. 25-28
  • Keiji Konagaya, Ken Abamba Omwange, Dimas Firmanda Al Riza, Alin Khaliduzzaman, Andrea Martínez Oliver, Francisco Rovira-Más, Hiroki Nagasato, Kazunori Ninomiya, Naoshi Kondo. Association of fruit, pericarp, and epidermis traits with surface autofluorescence in green peppers. Photochemical & Photobiological Sciences. 2020. 12. 19. 1630-1635
  • Keiji Konagaya, Naoshi Kondo, Noriko Takahashi, Makoto Kuramoto, Tetsuhito Suzuki. Relationship between Tomato Fluorescence and Storage Temperature. Journal of the Japanese Society of Agricultural Machinery and Food Engineers. 2020. 82. 5. 505-507
  • Keiji Konagaya, Dimas Firmanda Al Riza, Yuichi Ogawa, Yasushi Kohno, Makoto Kuramoto, Noriko Takahashi, Tetsuhito Suzuki, Naoshi Kondo. Autofluorescence changes of tomato surface tissues during overripening. Photochemical & Photobiological Sciences. 2020. 7. 19. 879-884
MISC (18):
  • 森松 和也, 高橋 憲子, 小長谷 圭志. 種々の品種のカンキツ果実におけるガス移動抵抗と果実内部ガス組成の比較. 第79回農業食料工学会年次大会講演要旨集. 2021. 131
  • Alin Khaliduzzaman, Ken Abamba Omeange, Dimas Firmanda Al Riza, Keiji Konagaya, Tianqi Gao, Yoshito Saito, Naoshi Kondo. Potentiality of Fluorescence Techniques in Estimation of Food Antioxidants. 第79回農業食料工学会年次大会講演要旨集. 2021. 117
  • 小長谷 圭志, 西井 野々香, 倉本 誠, 福垣内 暁, 永江 隆宏, 森松 和也, 高橋 憲子. カンキツ ‘紅まどんな’ の個包装による長期貯蔵とその蛍光特性. 第79回農業食料工学会年次大会講演要旨集. 2021
  • Tetsuyuki Takemoto, Zichen Huang, Ken Abamba Omwange, Keiji Konagaya, Tianqi Gao, Yuichi Ogawa, Naoshi Kondo. Analysis of Sweet Pepper Images with Autofluorescence for New Biometric Recognition. 第79回農業食料工学会年次大会講演要旨集. 2021. 111
  • Keiji Konagaya, Noriko Takahashi, Satoru Fukugaichi, Kazuya Morimatsu, Makoto Kuramoto. Tomato qualities during over-ripening at different temperatures and its fluorescence characteristics. BOOK OF ABSTRACT, ICGAB 2021. 2021. 68
Lectures and oral presentations  (8):
  • Relation Between Surface Gloss and Oil Contents in Avocado (Persia americana) Using UV Reflection
    (関西農業食料工学会 第145回例会 2021)
  • Characterization of tomato autofluorescence observed from surface
    (Kyoto University International Symposium on Education and Research in Global Environmental Studies in Asia 2019)
  • Assessment of red tomato freshness using ultraviolet-induced fluorescence image
    (2019 International Joint Conference on JSAM, SASJ and 13th CIGR VI 2019)
  • テラヘルツ光による生体高分子操作の可能性探索
    (日本生化学会東北支部第84回例会・シンポジウム 2018)
  • Mechanism of intense THz-wave effect on biomolecular reaction
    (FY2017 Report Meeting in Research Laboratory for Quantum Beam Science, Institute of Scientific and Industrial Research, Osaka University 2018)
Education (2):
  • 2015 - 2020 Kyoto University
  • 2011 - 2015 Nagoya University
Professional career (1):
  • Ph.D. in Agriculture
Work history (1):
  • 2020/04 - Ehime University Course of Engineering, Department of Industrial Innovation, Faculty of Corroborative Regional Innovation
Awards (1):
  • 2015 - テラヘルツ科学の最先端II 最優秀学生ポスター賞 酸素活性に対するテラヘルツ照射影響の検証
Association Membership(s) (3):
The Japan Society for Welfare Engineering ,  The Society of Instrument and Control Engineers ,  The Japanese Society of Agricultural Machinery and Food Engineers
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