On Thursday 18th April 2019, Prof.Dr.Varaporn Junyaprasert along with faculty members provided a warm welcome to Asst. Prof. Weiping Wang, an invited lecturer from The University of Hong Kong - Karolinska Institutet Collaboration in Regenerative Medicine. On this occasion, they had a great chance to discuss about further academic collaboration. Then, Asst. Prof. Weiping Wang gave a special lecture entitled “Photoresponsive nanoparticles for targeted drug delivery” to MUPY faculty members and graduate students.