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J-GLOBAL ID：201301037536471016   Update date: Feb. 01, 2024

Yamashita Yuji

ヤマシタ ユウジ | Yamashita Yuji
Affiliation and department：
University of Tsukuba Faculty of Life and Environmental Sciences

About University of Tsukuba Faculty of Life and Environmental Sciences


Job title： Assistant Professor
Research field  (1)： Rural environmental engineering and planning
Research keywords  (6)： Environmental Colloids ,  Clay Minerals ,  Humic Substances ,  Natural Organic Matter ,  Soil ,  Transport Phenomena
Research theme for competitive and other funds  (6)：
  • 2018 - 2021 Understandings and model developments of transport characteristics of nano-materials in soils
  • 2017 - 2021 Understanding of soil physics phenomena of imogolite-humic substances complex in standpoint of colloid and interface science
  • 2016 - 2021 Environmental Interface Engineering Based on Dynamic Analysis of Colloidal Flocculation
  • 2015 - 2017 Why do humic substances hinder the efficiency of water treatment process?
  • 2014 - 2015 Influence of humic substances on interfacial phenomena in water treatment processes
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Papers (30)：
  • Sakata, Nanami, Shiraishi, Nanami, Saito, Haruka, Komoto, Haruka, Ishiga, Takako, Usuki, Giyu, Yamashita, Yuji, Ishiga, Yasuhiro. Covering cabbage leaves with cellulose nanofiber confers resistance against Pseudomonas cannabina pv. alisalensis. JOURNAL OF GENERAL PLANT PATHOLOGY. 2023. 89. 1. 53-60
  • 小川, 和義, Lim, Voon Huey, 山下祐司, 足立泰久. The inhibitory effects of synthetic polyacrylic acid and humic substances on the initial stage of colloidal flocculation induced by polycationic flocculant with low charge density. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2022. 653. 129930
  • Lim, Voon Huey, Yamashita, Yuji, Ogawa, Kazuyoshi, Adachi, Yasuhisa. Comparison of cationic flocculants with different branching structure for the flocculation of negatively charged particles coexisting with humic substances. Journal of Environmental Chemical Engineering. 2022. 10. 5. 108478
  • Lim, Voon Huey, Yamashita, Yuji, Ogawa, Kazuyoshi, Adachi, Yasuhisa. Comparison of cationic flocculants with different branching structure for the flocculation of negatively charged particles coexisting with humic substances. Journal of Environmental Chemical Engineering. 2022. 10. 5. 108478
  • Lim, Voon Huey, 山下祐司, 小川, 和義, 足立泰久. The inhibitory effects of synthetic polyacrylic acid and humic substances on the initial stage of colloidal flocculation induced by polycationic flocculant with low charge density. Colloids and Surfaces A: Physicochemical and Engineering Aspects. 2022. 653. 129930
ｍore...
Books (1)：
  • ガラスビーズおよび鹿沼土充填カラムを通過するモデルコロイド粒子とフミン酸の輸送に関する研究
    2008
Lectures and oral presentations  (48)：
  • Covering cabbage leaves with cellulose nanofiber confers resistance against Pseudomonas cannabina pv. alisalensis
    (ISBEC 2023)
  • Covering soybean leaves with cellulose nanofiber changes leaf surface hydrophobicity and confers resistance against Phakopsora pachyrhizi
    (ISBEC 2023)
  • 腐植物質共存下での負電荷コロイド粒子凝集におけるポリカチオン凝集剤の電荷密度の効果
    (第60回高分子と水に関する討論会)
  • The effect of various oxyanions on the charging and aggregation of natural allophane particles
    (The 73rd Divisional Meeting of Division of Colloid and Surface Chemistry, The Chemical Society of Japan 2022)
  • セルロースナノファイバー葉面処理はキャベツ黒斑細菌病の抑制に寄与する
    (令和4年度日本植物病理学会関東部会)
ｍore...
Education (3)：
  • 2005 - 2008 University of Tsukuba Graduate school of Life and Environmental Sciences Biosphere Resource Science and Technology Program
  • 2003 - 2005 University of Tsukuba Master’s Program in Environmental Sciences
  • 1999 - 2003 University of Tsukuba College of Agro-Biological Resource Sciences
Professional career (1)：
  • Ph. D. (University of Tsukuba)
Work history (6)：
  • 2013/09 - 現在 University of Tsukuba Faculty of Life and Environmental Sciences Assistant Professor
  • 2012/04 - 2013/09 Japan Atomic Energy Agency Research Group for Green Chemistry Postdoctoral Fellow
  • 2009/01 - 2012/03 University of Tokyo Department of Nuclear Engineering and Management, School of Engineering Research Fellow
  • 2010/12 - 2011/02 Yale University Department of Chemical and Environmental Engineering Visiting Research Scholar
  • 2008/04 - 2009/01 Japan Society for the Promotion of Sceience University of Tsukuba Research Fellowship for Young Scientist (PD)
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Committee career (2)：
  • 2022/01 - 現在 日本腐植物質学会 評議員
  • 2017/05 - 2017/09 日本機械学会 第16回「環境修復・放射性廃棄物管理国際会議」(ICEM2019) ICEM技術委員会委員
Awards (4)：
  • 2017/03 - Japnese Humic Substancees Society Poster Award Analysis of surface free energy of imogolite-humic acids complex and mechanism of enhancement of its hydrophobicity
  • 2013/03 - 日本原子力学会 日本原子力学会第9回社会・環境部会賞優秀論文賞 原著論文「放射性廃棄物処分事業における科学アカデミーの役割-日米アカデミーの比較から得られる示唆」
  • 2010/05 - 6th International Conference Interfaces Against Pollution Award
  • 2008/06 - 5th International Conference Interfaces Against Pollution Award
Association Membership(s) (7)：
Chemical Society of Japan ,  JAPAN SOCIETY ON WATER ENVIRONMENT ,  International Humic Substances Society ,  Japanese Society of Soil Physics ,  Atomic Energy Society of Japan ,  Japanese Humic Substances Society ,  The Japanese Society of Irrigation, Drainage and Rural Engineering
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