YAMASHITA Yuji

ヤマシタユウジ | YAMASHITA Yuji

Affiliation and department：
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

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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 (52)：

Colored water evaporation in Toyoura sand with absorbent polymer
(2024 Annual Meeting of Japanese Society of Soil Physics)
様々なイオン種の存在下におけるアロフェンの臨界凝集イオン強度
(2024年度(第73回)農業農村工学会大会講演会)
Comparison of cationic flocculants with different branching structure for the flocculation of negatively charged particles coexisting with humic substances
(日本腐植物質学会39回講演会)
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)

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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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