A steady hand by Matthew Modoono January 30, 2025 Share Facebook LinkedIn Twitter Guanyu Zhou, a Ph.D. student studying chemical engineering, prepares HPLC standard samples in the Woolston Lab in the Mugar Life Sciences Building of Northeastern University’s Boston campus. Photo by Matthew Modoono/Northeastern University Guanyu Zhou, a Ph.D. student studying chemical engineering, prepares HPLC standard samples in the Woolston Lab in the Mugar Life Sciences Building of Northeastern University’s Boston campus. Photo by Matthew Modoono/Northeastern University