Butuan City – Scientists and professors around the globe virtually gathered on a historic training on September 16, 2020 on the latest characterization techniques on nanomaterials which was spearheaded by Dr. Rey Y. Capangpangan of CSU’s NanoCeNTRE in collaboration with CHED DARE TO project, “Development of Nanoparticle-decorate Paper-based Sensor for Rapid Sensing of Metal Ions”.