Environmental Microbial and Food Safety Laboratory : People & Places

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RESEARCH AREAS BY SCIENTIST

POSTDOCS AND VISITING SCIENTISTS

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Xiangwu Nou

Research Microbiologist

Publications

Feasibility of Colloidal Silver SERS for Rapid Bacterial Screening - (Peer Reviewed Journal) - (31-Oct-08)

Effect of Green Manure on E. coli O157:H7 Survival in Soil - (Proceedings/Symposium)

Patel, J.R., Nou, X., Millner, P.D., Sharma, M. 2008. Effect of Green Manure on E. coli O157:H7 Survival in Soil. Proceedings of the United States-Japan Cooperative Program in Natural Resources. p. 72-73.

Effect of reactive oxygen species (ROS) generating system for control of airborne microorganisms in meat processing environment - (Peer Reviewed Journal)

Patel, J.R., Nou, X. 2008. Effect of reactive oxygen species (ROS) generating system for control of airborne microorganisms in meat processing environment. Journal of Food Protection. 71:1922-1925.

Rapid Screening and Species Identification of E. Coli, Listeria, and Salmonella by SERS Technique - (Proceedings/Symposium)

Liu, Y., Chao, K., Kim, M.S., Nou, X. 2008. Rapid Screening and Species Identification of E. Coli, Listeria, and Salmonella by SERS Technique. Proceedings of SPIE. 6381:6381OU-1-6381OU-9.

Persistence of enterohemorrhagic and non-pathogenic E. coli on spinach leaves and in rhizosphere - (Abstract)

Patel, J.R., Millner, P.D., Nou, X., Sharma, M. 2008. Persistence of enterohemorrhagic and non-pathogenic E. coli on spinach leaves and in rhizosphere [abstract]. International Association for Food Protection Program and Abstract Book. P1-06. p. 54.

Decontamination of airborne bacteria in meat processing plants - (Abstract)

Patel, J.R., Nou, X. 2008. Decontamination of airborne bacteria in meat processing plants [abstract]. Food Processing Automation Conference Proceedings. Paper No. 4.

Label-Free Sers for Rapid and Simultaneous Species Identification of Escherichia Coli, Listeria Monocytogenes, and Salmonella Typhimonium Bacteria - (Peer Reviewed Journal)

Liu, Y., Chen, Y., Nou, X., Kim, M.S., Chao, K. 2008. Label-free sers for rapid and simultaneous species identification of escherichia coli, listeria monocytogenes, and salmonella typhimonium bacteria. Spectroscopy Magazine. 12(2):48-54.

Detection of Fecal/ingesta Contaminants on Poultry Processing Equipment Surfaces by Visible and Near-Infrared Reflectance Spectroscopy - (Peer Reviewed Journal)

Chao, K., Nou, X., Liu, Y., Kim, M.S., Chan, D.E., Yang, C., Patel, J.R., Sharma, M. 2008. Detection of fecal/ingesta contaminants on poultry processing equipment surfaces by visible and near-infrared reflectance spectroscopy. Applied Engineering in Agriculture. 24(11):49-55.

Potential of Surface-Enhanced Raman Spectroscopy for the Rapid Identification of Escherichia Coli and Listeria Monocytogenes Cultures on Silver Colloidal Nanoparticles - (Peer Reviewed Journal)

Liu, Y., Chen, Y.R., Nou, X., Chao, K. 2007. Potential of surface-enhanced raman spectroscopy for the rapid identification of escherichia coli and listeria monocytogenes cultures on silver colloidal nanoparticles. Journal of Applied Spectroscopy. 6(8)824-831.

Simultaneous and Rapid Identification of Escherichia Coli, Listeria Monocytogenes, and Salmonella Typhimonium by Surface-Enhanced Raman Scattering Spectroscopy - (Abstract)

Liu, Y., Chen, Y., Nou, X., Chao, K. 2007. Simultaneous and rapid identification of escherichia coli, listeria monocytogenes, and salmonella typhimonium by surface-enhanced raman scattering spectroscopy. BARC Poster Day, Beltsville, MD, April 25, 2007.

Development of Sers Spectroscopy for Routine and Rapid Identification of Escherichia Coli and Listeria Monocytogenes on Silver Colloidal Nanoparticles - (Proceedings/Symposium)

Chen, Y., Liu, Y., Nou, X., Chao, K. Development of SERS spectroscopy for routine and rapid identification of escherichia coli and listeria monocytogenes on silver colloidal nanoparticles. Proceedings of Annual NSTI Nanotech Conference, Santa Clara, CA, May 20-24, 2007. 2(6)549-552, CDROM.

Prevalence of Salmonella, Campylobacter and Listeria on retail organic and kosher poultry products - (Abstract)

Nou, X., Delgado, J., Patel, J.R., Sharma, M., Solomon, M.B. 2007. Prevalence of Salmonella, Campylobacter and Listeria on retail organic and kosher poultry products [abstract]. International Association for Food Protection Program and Abstract Book. p. 157.

Comparison of the molecular genotypes of Escherichia coli O157:H7 from the hides of beef cattle in different regions of North America - (Peer Reviewed Journal)

Arthur, T.M., Bosilevac, J.M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2007. Comparison of the molecular genotypes of Escherichia coli O157:H7 from the hides of beef cattle in different regions of North America. Journal of Food Protection. 70(7):1622-1626.

Efficacy of air cleaning system for control of airborne microbes in a meat processing environment - (Abstract)

Patel, J.R., Nou, X., Sanglay, G.C. 2007. Efficacy of air cleaning system for control of airborne microbes in a meat processing environment [abstract]. International Association for Food Protection Program and Abstract Book. p. 247.

Detection of Fecal / Ingesta Contaminants at Slaughter Plants from a Number of Characteristic Visible and Near Infrared Bands - (Proceedings/Symposium)

Liu, Y., Chao, K., Chen, Y.R., Nou, X., Chan, D.E., Yang, C. 2006. Detection of fecal / ingesta contaminants at slaughter plants from a number of characteristic visible and near infrared bands. Proceedings of SPIE. 6381:6381OU-1 - 6381OU-9.

Comparison of Visible and Near Infrared Reflectance Spectroscopy for the Detection of Faeces/ingesta Contaminants for Sanitation Verification at Slaughter Plants - (Peer Reviewed Journal)

Liu, Y.D., Chao, K., Chen, Y.R., Kim, M.S., Nou, X., Chan, D.E., Yang, C. 2006. Comparison of visible and near infrared reflectance spectroscopy for the detection of faeces/ingesta contaminants for sanitation verification at slaughter plants. Near Infrared Spectroscopy Journal. 14:325-331.

Improvement of Immunomagnetic Separation for Escherichia Coli O157:h7 Detection by the Pickpen Magnetic Particle Separation Device - (Peer Reviewed Journal)

Nou, X., Arthur, T.M., Bosilevac, J.M., Harhay, D.M., Guerini, M.N., Kalchayanand, N., Koohmaraie, M. 2006. Improvement of immunomagnetic separation for Escherichia coli O157:H7 detection by the pickpen magnetic particle separation device. Journal of Food Protection 69:2870-2874.

Treatments Using Hot Water Instead of Lactic Acid Reduce Levels of Aerobic Bacteria and Enterobacteriaceae and Reduce the Prevalence of Escherichia Coli O157:h7 on Preevisceration Beef Carcasses - (Peer Reviewed Journal)

Bosilevac, J.M., Nou, X., Barkocy-Gallagher, G.A., Arthur, T.M., Koohmaraie, M. 2006. Treatments using hot water instead of lactic acid reduce levels of aerobic bacteria and Enterobacteriaceae and reduce the prevalence of Escherichia coli O157:H7 on preevisceration beef carcasses. Journal of Food Protection. 69(8):1808-1813.

Methods for Recovering Escherichia Coli O157:h7 from Cattle Fecal, Hide, and Carcass Samples: Sensitivity and Improvements - (Peer Reviewed Journal)

Barkocy-Gallagher, G.A., Edwards, K.K., Nou, X., Bosilevac, J.M., Arthur, T.M., Shackelford, S.D., Koohmaraie, M. 2005. Methods for recovering Escherichia coli O157:H7 from cattle fecal, hide, and carcass samples: Sensitivity and improvements. Journal of Food Protection. 68:2264-2268.

Evaluation of Culture and Pcr-Based Detection Methods for Escherichia Coli O157:h7 in Inoculated Ground Beef - (Peer Reviewed Journal)

Arthur, T.M., Bosilevac, J.M., Nou, X., Koohmaraie, M. 2005. Evaluation of culture- and PCR-based detection methods for Escherichia coli O157:H7 in inoculated ground beef. Journal of Food Protection. 68:1566-1574.

Effects of Low-Dose, Low-Penetration Electron Beam Irradiation of Chilled Beef Carcass Surface Cuts on Escherichia Coli O157:h7 and Meat Quality - (Peer Reviewed Journal)

Arthur, T.M., Wheeler, T.L., Shackelford, S.D., Bosilevac, J.M., Nou, X., Koohmaraie, M. 2005. Effects of low-dose, low-penetration electron beam irradiation of chilled beef carcass surface cuts on Escherichia coli O157:H7 and meat quality. Journal of Food Protection. 68(4):666-672.

Development and Evaluation of An on-Line Hide Decontamination Procedure for Use in a Commercial Beef Processing Plant - (Peer Reviewed Journal)

Bosilevac, J.M., Nou, X., Osborn, M.S., Allen, D.M., Koohmaraie, M. 2005. Development and evaluation of an on-line hide decontamination procedure for use in a commercial beef processing plant. Journal of Food Protection. 68(2):265-272.

Characterization of O157:h7 and Other Escherichia Coli Isolates Recovered from Cattle Hides, Feces, and Carcasses - (Research Notes)

Gallagher, G.A., Arthur, T.M., Rivera Betancourt, M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2004. Characterization of O157:H7 and other Escherichia coli isolates recovered from cattle hides, feces, and carcasses. Journal of Food Protection. 67(5):993-998.

Escherichia Coli O157 Prevalence and Enumeration of Aerobic Bacteria, Enterobacteriaceae, and Escherichia Coli O157 at Various Steps in Commercial Beef Processing Plants - (Peer Reviewed Journal)

Arthur, T.M., Bosilevac, J.M., Nou, X., Shackelford, S.D., Wheeler, T.L., Kent, M.P., Jaroni, D., Pauling, B., Allen, D.M., Koohmaraie, M. 2004. Escherichia coli O157 prevalence and enumeration of aerobic bacteria, Enterobacteriacae, and Escherichia coli O157 at various steps in commercial beef processing plants. Journal of Food Protection. 67(4):658-665.

Protocol for Evaluating the Efficacy of Cetylpyridinium Chloride As a Beef Hide Intervention - (Peer Reviewed Journal)

Bosilevac, J.M., Wheeler, T.L., Rivera-Betancourt, M., Nou, X., Arthur, T.M., Shackelford, S.D., Kent, M.P., Jaroni, D., Osborn, M.S., Rossman, M., Reagan, J.O., Koohmaraie, M. 2004. Protocol for evaluating the efficacy of cetylpyridinium chloride as a beef hide intervention. Journal of Food Protection. 67(2):303-309.

Seasonal Prevalence of Shiga Toxin-Producing Escherichia Coli, Including O157:h7 and Non-O157 Serotypes, and Salmonella in Commercial Beef Processing Plants - (Peer Reviewed Journal)

Gallagher, G.A., Arthur, T.M., Rivera-Betancourt, M., Nou, X., Shackelford, S.D., Wheeler, T.L., Koohmaraie, M. 2003. Seasonal prevalence of Shiga toxin-producing Escherichia coli, including O157:H7 and non-O157 serotypes, and Salmonella in commercial beef processing plants. Journal of Food Protection. 66(11):1978-1986.

Effect of Chemical Dehairing on the Prevalence of Escherichia Coli O157:h7 and the Levels of Aerobic Bacteria and Enterobacteriaceae on Carcasses in a Commercial Beef Processing Plant - (Peer Reviewed Journal)

Nou, X., Rivera-Betancourt, M., Bosilevac, J.M., Wheeler, T.L., Shackelford, S.D., Gwartney, B.L., Reagan, J.O., Koohmaraie, M. 2003. Effect of chemical dehairing on the prevalence of Escherichia coli O157:H7 and the levels of aerobic bacteria and Enterobacteriaceae on carcasses in a commercial beef processing plant. Journal of Food Protection. 66(11):2005-2009.

Development of Methods for the Recovery of Escherichia Coli O157:h7 and Salmonella from Beef Carcass Sponge Samples and Bovine Fecal and Hide Samples - (Peer Reviewed Journal)

Barkocy-Gallagher, G.A., Berry, E.D., Rivera Betancourt, M., Arthur, T.M., Nou, X., Koohmaraie, M. 2002. Development of methods for the recovery of Escherichia coli O157:H7 and Salmonella from beef carcass sponge samples and bovine fecal and hide samples. Journal of Food Protection. 65(10):1527-1534

Last Modified: 05/14/2009

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