On the morning of April 28, 2026, Ms. Sarah Sajedi successfully defended her PhD thesis. The title of her thesis is “Micro- and Nanoplastics in Single-Use Plastic Bottled Water: Occurrence, Detection, Consumer Behavior, and Chronic Health Risks”. Her profound knowledge and excellent presentation helped her win a good evaluation from the external examiner, Dr. Jie Han, and other examining committee members (Dr. Michel Trudeau, Dr. Catherine Mulligan, Dr. Zhi Chen, and Chunjiang An).