UNIVERSITY PARK, Pa., Sept. 30 -- Pennsylvania State University issued the following news release:

UNIVERSITY PARK, Pa. - Manufacturing modern medicines is a multi-stage process, and each step introduces the opportunity for contamination, which can be both deadly and expensive. Recently, epinephrine injections, used for severe allergic reactions, were recalled due to lack of assurance of sterility, according to the U.S. Food and Drug Administration.

Penn State chemical engineering doctoral candidate Shreya Kapila is working to improve the sterilization process by surface-modifying the membranes used to sterile filter pharmaceutical products and remove bioburden. She conducts research in the laboratory of Andrew Zydney, Bayard D. Kunkle C...