In vitro formation of biofilms on Lopez enteral feeding valves: implications for critical care patients and nurses.

CRITICALCARENURSE Vol 28, No. 1, FEBRUARY 2008 37 Tracy Solseng is a graduate student working on a master’s degree in food safety at North Dakota State University in Fargo. She is studying the plasmids associated with Enterobacter sakazakii. Heather Vinson is a microbiologist working in Penelope Gibbs’ laboratory at the Great Plains Institute of Food Safety at North Dakota State University in Fargo. Penelope Gibbs is an assistant professor of infectious diseases at the Great Plains Institute of Food Safety at North Dakota State University in Fargo. She teaches courses in pathogenic microbiology, bacterial genetics and phage, and microbiological molecular techniques to both undergraduate and graduate students. She also trains undergraduate students on research techniques and hypothesis testing. Beverly Greenwald is an assistant professor of nursing at North Dakota State University in Fargo. She teaches undergraduate courses in nursing research and nursing management and does clinical rotations with students in adult health. Her research focus is gastro enterology nursing.