Assoc. Prof. Alper Uzun and his PhD Student Yuxin Zhao were deemed worthy of 2021 Sedat Simavi Award with their article published in ACS Catalysis with a cover art. The article demonstrates the presence of an interplay between the copper nanoparticle size and the oxygen vacancies on the Mg-doped ceria controlling the partial hydrogenation performance and stability of the copper active sites.