Rebecca M. Hoffman, M.S.

Contact Information

Titles

• Advanced Microbiologist, Flow Cytometry

Education

• MS, Bacteriology, University of Wisconsin - Madison
• BS, Bacteriology, University of Wisconsin - Madison

Fields of Interests

• Flow cytometry
• Environmental pathogen detection and viability determination
• Development and improvement of pathogen detection methods
• Pathogen inactivation studies
• Cryptosporidium, Giardia, microsporidia, enteropathogenic E. coli, and mycobacteria 

Publications and Presentations

• Hoffman, R.M., Marshall, M. M., Gibson, M.C., and P.A. Rochelle. 2009. Prioritizing Pathogens for Potential Future Regulation in Drinking Water. Environ. Sci. Technol., DOI: 10.1021/es803532k Publication Date (Web): June 9, 2009
• Collins, M.T., Yuroff, A.S., Hoffman, R.M., Harrington, G.W. and A.D. Jacque.  2008. Improved Mycobacterium avium complex detection methods.  Awwa Research Foundation, Denver, CO.  Report Number 91223.
• Assavasilavasukul, P., Lau, B.L., Harrington, G.W., Hoffman, R.M., and M.A. Borchardt. 2008.  Effect of pathogen concentrations on removal of Cryptosporidium and Giardia by conventional drinking water treatment.  Wat. Res. 42(10-11):2678-2690.
• Hoffman, R.M., Borchardt, M.A., Spencer, S.A. and D.M. Wolk.  2007.  Development of methods for the detection of waterborne microsporidia. Journal of Microbiological Methods 70(2):312-318.
• Yuroff, A.S., Manning, E.B., Hoffman, R.M., and M.T. Collins.  Efficient Enumeration of Mycobacterium avium Complex Bacteria: a comparison of MGIT, Flow Cytometry and ATP Assays.  Meeting of the American Society of Microbiology.  May 2006. Poster U-043.
• Collins, M.J. and R. M. Hoffman Evaluation of Organisms Isolated using an Antibody-Based Detection Method for Waterborne Escherichia coli O157:H7.  Meeting of the American Society for Microbiology.  May 2006.  Poster Q-422.  
• Yates, M., Malley, J., Rochelle, P. and R.M. Hoffman. 2006.  Effect  of Adenovirus Resistance on UV Disinfection Requirements: A Report on the State of the Science. Journal AWWA 98(6):93-106. 
• American Water Works Association. 2006.  Waterborne Pathogens. R.M. Hoffman, co-editor, Parasitic Pathogenic Agents Section.  American Water Works Association, Denver, CO.
• Hoffman, R., Collins, M., and C. Powell, Wareing DRA, Sarian T, Duncanson P, Pearson J. 2005. Evaluation of DynaBeads anti-Legionella for isolatation and quantification of Legionella from environmental samples.  Proceedings of the Water Quality Technology Conference.  Quebec City, CA.  November 2005.
• Lau, B. Harrington, G., Hoffman, R., and M. Borchardt.  2005. LT2 Crypto Removal Credits: Are They Good Enough? Proceedings of the 2005 Water Quality Technology Conference.  Quebec City, Canada. November 2005. 
• Wolk, D., Hoffman R., Sturbaum, G., Plummer, C., Sterling, C. and M. Marshall.  2005.  Statistical Model to Assess False Negative PCR Reactions from Water Matrices.  Proceedings of the 2005 Water Quality Technology Conference.  Quebec City, Canada.  November 2005.
• Hoffman, R.M. and M.M. Marshall.  2004. Microbes Continue to Pose a Detection Challenge.  Journ. AWWA 96(8):66-68.
• Plummer, C., Hoffman, R., Sturbaum, G., Marshall, M., Sterling, C., and D. M. Wolk.  2004.  Multiplex Real-time PCR for Encephalitozoon Spores Includes Monitor for PCR Inhibitors in Water Samples. 104th Meeting of the American Society for Microbiology. Q-101:  New Orleans, LA.
• Lau, B. Harrington, G., Hoffman, R., and M. Borchardt. 2004. Improvement and Validation of Pilot-Scale Pathogen removal Studies.  The effects of spiking concentration and sampling method.  Proceedings of the 2004 Water Quality Technology Conference. San Antonio, TX, November 2004. 
• Hoffman, RM, Marshall, MM, Polchert, DM and B. Helen Jost. 2003. Identification and Characterization of Two Subpopulations of Encephalitozoon intestinalis Applied and Environmental Microbiology 69(8)4966-4970.  
• M. J. Collins, R.M. Hoffman, B. Argue, and J. H. Standridge. 2003. Development of a Rapid Detection Method for Waterborne Escherichia coli O157:H7. 103rd General meeting of the American Society for Microbiology, Washington, DC. 
• Hoffman, R., Marshall, M., Polchert, D., Spencer, S. Moffet, J. and M. Borchardt. 2002. Concentration and Detection of Microsporidia Using a Newly-modified Continuous Flow Centrifuge and Flow Cytometry. Proceedings of the 2002 Water Quality Technology Conference, Seattle WA.
• Marshall, M., Hoffman, R., Moffett, J. Jost, BH, Ware, M., Sturbaum, G. and D. Battigelli. 2002. Identification and Characterization of Infectious and Non Infectious Sub Populations of Encephalitozoon intestinalis Spores Purified from in vitro Cell Culture. Proceedings of the International Symposium on Waterborne Pathogens. Cascais/Lisbon, Portugal 2002.
• Marshall, M., Moffett, J., Hoffman, R., Sturbaum, G., Sterling , C. and B.H. Jost. 2002 Encephalitozoon spp. Detection and Viability Determined by RT-PCR Cell Culture Assays Using Primer Pairs from 3 Distinct Genes. Proceedings of the 2002 Water Quality Technology Conference, Seattle WA.
• Hoffman, R.M., Chauret, C., Standridge, J.H., and L. Peterson. (1999) Evaluation of four commercial antibodies. Jour. Amer. Water Works Assoc., 91(9):69-78.
• Hoffman R.M., Standridge, J.H., Prieve, A.F., Cucunato, J.C., and M. Bernhardt. (1997) Using flow cytometry to detect protozoa. Jour. Amer. Water Works Assoc. 89(9):104-111.
• Van Boxtel R.M., Lambrecht, R.S., and M.T. Collins. (1990) Effects of colonial morphology and Tween 80 on antimicrobial susceptibility on Mycobacterium paratuberculosis. Antimicrobial Agents and Chemotherapy. 34(12):12-17.
• Van Boxtel R.M., Lambrecht, R.S., and M.T. Collins. (1990) The effects of polyoxyethylene sorbate compounds on growth rate, colony morphology, and cell surface structure of Mycobacterium paratuberculosis. APMIS. 98(10):10-15.