This is the program and collection of abstracts for poster and oral presentations for the 28th Annual GRC. GRC is a one-day conference that provides graduate students from the University of Maryland, Baltimore County and the University of Maryland, Baltimore the opportunity to present results of their ongoing research to peers, faculty members, the University of Maryland community at large and other interested parties. Co-sponsored by the UMBC and UMB Graduate Student Associations, GRC provides a forum for the exchange of information and ideas.