The graduation research presentations by Rui Kato, Kohei Sasaki, and Keito Sumiyoshi have been successfully completed. For the past week or two, they had been working hard practicing their presentations, and today they delivered them without a hitch.

They presented confidently, created slides with great attention to detail, and responded thoughtfully during the Q&A session. Personally, I thought they did an excellent job. However, they themselves reflected by saying things like, “I wish I had answered that question differently,” or “I hoped for more questions.” The fact that they’re not just saying “It’s finally over!” shows how much they’ve grown.

For now, take some time to recharge, and then keep up the good work on polishing your thesis and completing the remaining experiments. Great job!

• Rui Kato: Source Analysis of PM2.5 in Bangladesh during COVID-19 Using Nitrogen Stable Isotope Ratios

• Kohei Sasaki: Analysis of Carbon Stable Isotope Ratios of Amino Acids in Soy Sauce

• Keito Sumiyoshi: Development of LC-IRMS Using Subcritical Combustion Method and Measurement of Caffeine Beverages