[4] She published on the topics of enzyme kinetics,[5] metallo-beta-lactamase,[6] and the mechanics of replisome and primase in DNA replication.
[9] During her years there, she was able to begin research into the biological role of titanium, a question which she had long found intriguing.
[10] In 2011, Valentine became an associate professor at Temple University where she specializes in environmental, material, and medicinal aspects of inorganic and biological chemistry.
[11] Valentine has participated in the Philadelphia Area Girls Enjoying Science (PAGES) and Temple Minority Access to Research Careers (MARC) programs.
Via the Temple Teaching and Learning Center, she has acted as a mentor for students in high-attrition courses.