Monica Ohnsorg Successfully Defends Thesis November 4, 2021November 4, 2021 in News. Monica successfully defended her thesis, “End-Group Modified Bottlebrush Polymers to Deliver Active Pharmaceutical Ingredients,” on September 27, 2021. Congratulations to Dr. Ohnsorg! Recommended PostsAugust 1, 2018 Congratulations to Zhe for receiving an ACS travel award!February 23, 2015 Haley awarded Mary Haga Travel Award from Xi Chapter of Graduate Women in ScienceSeptember 20, 2011 January 2011: Karina Kizjakina graduates with her Ph.D