John P. Hegarty, Ph.D.  Pathogen Ecology - Health-Related Microbiology Environmental Biotechnology Pennsylvania State University - Harrisburg.  Environmental Microbiology & Engineering
	Recent Publications

K.H. Baker, J.P. Hegarty, M.L. Zimmerman, H. El-Shazli, D.S. Herson and K. Verville (2003) Development of a combined immunomagnetic acid-urea procedure for the enumeration of culturable Helicobacter pylori in environmental samples and Persistence of Helicobacter pylori in aquatic environments Is enhanced by the presence of protozoa. American Society for Microbiology. Washington D.C.

K.H. Baker, J.P. Hegarty, B. Redmond, N.A. Reed and D.S. Herson (2002)  Effect of oxidizing disinfectants (chlorine, monochloramine, and ozone) on Helicobacter pylori. Applied Environmental Microbiology. 68(2):981-984. [Full Text]

K.H. Baker and J.P. Hegarty (2001)  Presence of Helicobacter pylori in drinking water is associated with clinical infection. Sc. J. Infect. Dis. 33(10):744-6. [Full Text]

J.P. Hegarty, R.W. Pickup, and S. Percival (2000). Detection of viable but non-culturable bacterial pathogens and In: Biofilm Community Interactions. P. Gilbert et al. [eds.] [ISBN: 0-9520432-9-7]

J.P. Hegarty, M.T. Dowd and K.H. Baker (1999)  Occurrence of Helicobacter pylori in surface water in the United States. J. Applied Microbiology. Nov;87(5): 697-701. [Full Text]