Student written Research Laboratory Guidebook 2023Nagaoka University of Technology

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Aqua and Soil Environment Laboratory

Professor / Takashi YAMAGUCHI  Associate Professor / Shinya MAKI  
Assistant Professor / Nur Adlin Binti Abu Bakar

ProfessorTakashi YAMAGUCHI

profiles and activiities profiles and activiities at nagaoka university of technology

Associate ProfessorShinya MAKI

profiles and activiities profiles and activiities at nagaoka university of technology

Assistant Professor
Nur Adlin Binti Abu Bakar

profiles and activiities profiles and activiities at nagaoka university of technology
  • Cost-Saving and Energy-Recovering Water Treatment Technologies
  • Novel Molecular Microbiological Techniques for Microbial Ecosystem Analysis
  • Innovative ideas for global environmental issues


Professor / Takashi YAMAGUCHI
Our professor is a dedicated teacher and also a great companion who is willing to give us sincere suggestions so that we can overcome the problems encountered. Besides, as an understanding person, he encourages us with warm words and is ready to give us opportunities to make our wishes come true. For us, he is a great guide.

Research Content

Drawing on the potential strength of the microbial communities, we develop environmentally friendly and cost-saving innovative wastewater and waste treatment systems, which are then piloted on a large scale for industrial application. Besides, with sophisticated and advanced molecular microbiology techniques, we conduct in-depth studies on the microorganism, including analyzing microbial communities, isolating and culturing uncultured microorganisms, and clarifying species interactions. Recently, pioneering hydrosphere soil environmental control technologies are becoming a new research direction in our lab. It involves studies on agricultural biomass recycling, water reclamation systems implementation for terrestrial aquaculture, and plant disease treatment by biological methods.

A lab member performing a TOC measurement of wastewater

A Day in the Lab

Overall, we work on the spirit of independence, self-discipline, and creativity. In other words, we are always motivated to work towards goals but based on self-time management. Besides, thanks to a dense network of cooperation with many institutions, universities, and companies in Japan and abroad, lab members have many opportunities to attend domestic and international conferences or job fairs to keep up with novel waste treatment technologies and expand career opportunities. Outside of research, many parties and extracurricular activities are organized to make the relationship among laboratory members close-knit.

A group photo taken at the 2021 graduation ceremony

Thesis Subjects

  • (M)Isolution, cultivation, and characterization of MBR biofilm-forming bacteria by in-situ cultivation
  • (M)Development of a plant disease control method using soil microorganisms
  • (D)Development of bioreactors for methane-driven nitrogen removal in anaerobic wastewater treatment

The number of
PhD Graduates


Major employers of Graduates

  • Taisei Coorporation
  • Kubota Coorporation
  • Sanki Engineering
  • Organo Coorporastion
  • Meidensha Coorporation
  • Nihon Suido Consultans
  • JGC Plant Innovation
  • Hitachi Zosen Cooporation
  • Nippon Jogesuido Sekkei
  • Kurita Water Industries
Writer : NGUYEN THU HUONG, Science of Technology Innovation
(Hanoi University of Science and Technology)