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ARS Home » Northeast Area » Wyndmoor, Pennsylvania » Eastern Regional Research Center » Food Safety and Intervention Technologies Research » People & Locations » Christopher Sommers
Christopher H Sommers
Food Safety and Intervention Technologies Research
Lead Scientist

Phone: (215) 233-6583
Fax: (215) 233-6406
Room 3004

600 E MERMAID LN
ERRC
WYNDMOOR , PA 190388598
Projects
The Role of Genotype in the Development and Validation of Growth Models and Intervention Technologies for Pathogenic Non-Shiga Toxigenic Escherichia coli Found in Foods
In-House Appropriated (D)
  Accession Number: 430151

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Draft genomic sequence of Escherichia coli ST131 B7S75 isolated from retail chicken skin -
Effects of combined treatments of high pressure processing, single-and multi-antimicrobial (Melissa officinalis extract)on the reduction of pathogenic Escherichia coli in ground beef -
Draft whole genome sequence of seven L. monocytogenes strains with variation in virulence and stress responses -
Draft genome sequences of seven strains of Shiga toxin-producing Escherichia coli O111 with variation in their sensitivity to novobiocin -
Modeling the survival of Escherichia coli O157:H7 under hydrostatic pressure, process temperature, time and allyl isothiocyanate stresses in ground chicken -
Huang, C., Sheen, S., Sommers, C.H., Sheen, L. 2018. Modeling the survival of Escherichia coli O157:H7 under hydrostatic pressure, process temperature, time and allyl isothiocyanate stresses in ground chicken. Frontiers in Microbiology. Volume 9, Article 1871: 1-11. 10.3389/fmicb.2018.01871.
Draft genome sequences of nine extraintestinal pathogenic Escherichia coli isolates from retail chicken skin -
Xu, A., Tilman, S., Wisser-Parker, K., Scullen, O.J., Sommers, C.H. 2018. Draft genome sequences of nine extraintestinal pathogenic Escherichia coli isolates from retail chicken skin. Genome Announcements. Volume 7: Issue 7 e00859-18. https://doi.org/10.1128/MRA.00859-18.
Draft genomic sequencing of six potential extraintestinal pathogenic Escherichia coli isolates from retail chicken meat -
Xu, A., Johnson, J., Sheen, S., Needleman, D.S., Sommers, C.H. 2018. Draft genomic sequencing of six potential extraintestinal pathogenic Escherichia coli isolates from retail chicken meat. Genome Announcements. https://doi.org/10.1128/genomeA.00449-18.
Lethality modeling for Escherichia coli 0157:H7 impacted by hydrostatic pressure, process temperature, time and allyl isothiocyanate in ground chicken -
Sheen, S., Huang, C., Sommers, C.H. 2018. Lethality modeling for Escherichia coli 0157:H7 impacted by hydrostatic pressure, process temperature, time and allyl isothiocyanate in ground chicken. Annual Meeting of the Institute of Food Technologists. Volume 1: Page 1, Chicago, IL., July 15-18, 2018
Draft genome sequences of six neonatal meningitis-causing escherichia coli isolates (SP-4, SP-5, SP-13, SP-16, SP-46, and SP-65) -
Xu, A., Johnson, J., Sheen, S., Sommers, C.H. 2018. Draft genome sequences of six neonatal meningitis-causing escherichia coli isolates (SP-4, SP-5, SP-13, SP-16, SP-46, and SP-65). Genome Announcements. https://doi.org/10.1128/genomeA00091-18.
Draft genome sequences of four uropathogenic escherichia coli 04:H5 isolates (ATCC 700414,700415,700416 and 700417) -
Xu, A., Hertrich, S.M., Needleman, D.S., Sheen, S., Sommers, C.H. 2018. Draft genome sequences of four uropathogenic escherichia coli 04:H5 isolates (ATCC 700414,700415,700416 and 700417). Genome Announcements. 6(11):e00134-18.
Lethality prediction for Escherichia coli 0157:H7 and Uropathogenic E. coli in ground chicken treated with high pressure processing and trans-cinnamaldehyde -
Sheen, S., Huang, C., Ramos, R.V., Chien, S., Scullen, O.J., Sommers, C.H. 2018. Lethality prediction for Escherichia coli 0157:H7 and Uropathogenic E. coli in ground chicken treated with high pressure processing and trans-cinnamaldehyde. Journal of Food Science. 83(3):740-749.
Growth modeling of uropathogenic Escherichia coli in ground chicken meat -
Sommers, C.H., Huang, C., Sheen, L., Sheen, S., Huang, L. 2018. Growth modeling of uropathogenic Escherichia coli in ground chicken meat. Food Control. 86:397-402.
Control of extraintestinal foodborne pathogens using intervention technologies -
Sommers, C.H., Sheen, S., Niemira, B.A. 2017. Control of extraintestinal foodborne pathogens using intervention technologies. Meeting Abstract. Volume 1, Page 1. ARS/FSIS Food Safety Workshop. Shepherdstown, WV., February 21-24, 2017.
Inactivation of foodborne pathogens in chicken purge or skin using a 405-nm LED array -
Sommers, C.H., Gunther, N.W., Sheen, S. 2016. Inactivation of foodborne pathogens in chicken purge or skin using a 405-nm LED array. Food Microbiology. 64:135-138.
Inactivation of Staphylococcus saprophyticus in chicken meat and exudate using high pressure processing, gamma radiation, and ultraviolet light -
Sommers, C.H., Scullen, O.J., Mackay, W. 2016. Inactivation of Staphylococcus saprophyticus in chicken meat and exudate using high pressure processing, gamma radiation, and ultraviolet light. Food Control. 75:78-82.
Modeling the inactivatin of Escherichia coli 0157:H7 and uropathogenic E. coli in ground beef by high pressure processing and citral -
Chien, S., Sheen, S., Sommers, C.H., Sheen, L. 2016. Modeling the inactivatin of Escherichia coli 0157:H7 and uropathogenic E. coli in ground beef by high pressure processing and citral. Food Control. 73:672-680.
Modeling the inactivation of Escherichia coli 0157:H7 and uropathogenic E.coli in ground chicken by high pressure processing and thymol -
Chien, S., Sheen, S., Sommers, C.H., Sheen, L. 2016. Modeling the inactivation of Escherichia coli 0157:H7 and uropathogenic E.coli in ground chicken by high pressure processing and thymol. Frontiers in Microbiology. 7(920):1-11.
The role of extraintestinal foodborne pathogens in human illness -
Sommers, C.H. 2016. The role of extraintestinal foodborne pathogens in human illness. Meeting Abstract. Volume 1: Page 1; CIRMS; Gaithersburg, MD 4/18 - 4/20/16.
The role of extraintestinal foodborne pathogens in human illness -
Sommers, C.H. 2016. The role of extraintestinal foodborne pathogens in human illness. Meeting Abstract. Volume 1: Page 1: Edinboro University of Pennsylvania.4/21/16.
Radiation resistance of non-0157:H7 Shiga Toxin-Producing Escherichia coli suspended in refrigerated catfish fillet meat -
Inactivation of uropathogenic Escherichia coli in ground chicken meat using high pressure processing and gamma radiation, and in purge and chicken meat surfaces by ultraviolet light -
Sommers, C.H., Scullen, O.J., Sheen, S. 2016. Inactivation of uropathogenic Escherichia coli in ground chicken meat using high pressure processing and gamma radiation, and in purge and chicken meat surfaces by ultraviolet light. Frontiers in Microbiology. 7(413):1-6.
The effects of 405-nm visible light on the survival of Campylobacter on chicken skin and stainless steel -
Gunther, N.W., Phillips, J.G., Sommers, C.H. 2016. The effects of 405-nm visible light on the survival of Campylobacter on chicken skin and stainless steel. Foodborne Pathogens and Disease. 13(5):245-250.
Inactivation of a diverse set of shiga toxin-producing Escherichia coli in ground beef by high pressure processing -
Sheen, S., Cassidy, J.M., Scullen, O.J., Sommers, C.H. 2015. Inactivation of a diverse set of shiga toxin-producing Escherichia coli in ground beef by high pressure processing. Food Microbiology. 52:84-87.
The effects of high pressure treatments on C. jejuni in ground poultry products containing polyphosphate additives -
Gunther, N.W., Sites, J.E., Sommers, C.H. 2015. The effects of high pressure treatments on C. jejuni in ground poultry products containing polyphosphate additives. Journal of Food Protection. 94(9):2297-2302.
Inactivation of Salmonella spp. in ground chicken using High Pressure Processing -
Sheen, S., Cassidy, J.M., Scullen, O.J., Uknalis, J., Sommers, C.H. 2015. Inactivation of Salmonella spp. in ground chicken using High Pressure Processing. Food Control. 57:41-47.
Inactivation of shiga toxin-producing Escherichia coli in lean ground beef by gamma irradiation -
Sommers, C.H., Rajkowski, K.T., Scullen, O.J., Cassidy, J.M., Fratamico, P.M., Sheen, S. 2015. Inactivation of shiga toxin-producing Escherichia coli in lean ground beef by gamma irradiation. Food Microbiology. DOI: 10.1016/j.fm.2015.02/013.
Inactivation of avirulent Yersinia pestis on food and food contact surfaces by ultraviolet light and freezing -
Sommers, C.H., Sheen, S. 2015. Inactivation of avirulent Yersinia pestis on food and food contact surfaces by ultraviolet light and freezing. Food Microbiology. DOI: 10.1016/j.fm.2015.02.008.
Effect of high pressure impact on the survival of Shiga Toxin-producing Escherichia coli ('Big Six' and 0157) in ground beef -
Hsu, H., Sheen, S., Sites, J.E., Cassidy, J.M., Scullen, B.J., Sommers, C.H. 2014. Effect of high pressure impact on the survival of Shiga Toxin-producing Escherichia coli ('Big Six' and 0157) in ground beef. Food Microbiology. doi:10.1016/j.fm.2014.12.002.
Survival of Campylobacter species after cryogenic freezing in ground turkey patties treated with polyphosphates -
Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage -
Ukuku, D.O., Huang, L., Sommers, C.H. 2014. Survival and growth parameters of Escherichia coli 0157:H7, Salmonella Spp. and Listeria monocytogenes on cantaloupe fresh-cut pieces during storage. Journal of Food Protection. 78:1288-1295.
Inactivation of avirulent pgm+ and delta pgm Yersinia pestis by ultraviolet light (UV-C) Reprint Icon -
Paoli, G., Sommers, C.H., Scullen, O.J., Wijey, C. 2014. Inactivation of avirulent pgm+ and delta pgm Yersinia pestis by ultraviolet light (UV-C). Food Microbiology. DOI:10.1016/j.fm.2014.06.002.
Detection of Shiga toxin-producing Escherichia coli (STEC) O157:H7, O26, O45, O103, O111, O121, and O145, and Salmonella in retail raw ground beef using the DuPont BAX system -
Wasilenko, J.L., Fratamico, P.M., Sommers, C.H., Demarco, D., Varkey, S., Rhoden, K., Tice, G. 2014. Detection of Shiga toxin-producing Escherichia coli (STEC) O157:H7, STEC Serogroups O26, O45, O103, O111, O121, and O145, and Salmonella in Naturally-Contaminated Ground Beef Using the BAX System-Based PCR kits. Frontiers in Cellular and Infection Microbiology. DOI: 10.3389/fcimb.2014.00081.
Radiation resistance and loss of crystal violet binding activity in Y. enterolitica suspended in raw ground pork exposed to gamma radiation and modified atmosphere Reprint Icon -
Bhaduri, S., Sheen, S., Sommers, C.H. 2014. Radiation resistance and loss of crystal violet binding activity in Y. enterolitica suspended in raw ground pork exposed to gamma radiation and modified atmosphere. Journal of Food Science. 79:911-916.
Antimicrobial films and coatings for inactivation of Listeria innocua on ready-to-eat deli turkey meat Reprint Icon -
Guo, M., Jin, Z.T., Wang, L., Scullen, B.J., Sommers, C.H. 2013. Antimicrobial films and coatings for inactivation of Listeria innocua on ready-to-eat deli turkey meat. Food Control. 40:64-70.
Gamma radiation inactivation of non-0157:H7 shiga-toxin producing Escherichia coli in foods -
Sommers, C.H., Scullen, B.J., Hwang, C. 2013. Gamma radiation inactivation of non-0157:H7 shiga-toxin producing Escherichia coli in foods. Meeting Abstract. IAFP Annual Meeting, Charlotte, NC.,7/28 to 7/31/2013. P1(1).
Thermal inactivation of non-0157:H7 shiga-toxin producing Escherichia coli (STEC) in catfish fillets -
Khosravi, P., Silva, J., Sheen, S., Sommers, C.H., Gurtler, J. 2013. Thermal inactivation of non-0157:H7 shiga-toxin producing Escherichia coli (STEC) in catfish fillets. Meeting Abstract. IAFP Annual Meeting, Charlotte, NC., July 28-31,2013. Volume 1, Page 1..
Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens -
Olanya, O.M., Niemira, B.A., Ukuku, D.O., Annous, B.A., Sommers, C.H. 2013. Prospects for biocontrol of foodborne pathogens on leafy greens with Pseudomonas fluorescens. The 2nd International Conference and Exhibition on Nutritional Science. Abstract. 3(4):69.
Thermal inactivation of non-0157:H7 Shigatoxin producing Escherichia coli(STEC) on catfish fillets -
Khosravi, P., Silva, J., Sommers, C.H., Sheen, S. 2013. Thermal inactivation of non-0157:H7 Shigatoxin producing Escherichia coli(STEC) on catfish fillets. Journal of Food Processing and Technology. http://dx.doi.org/10.4172/2157-7110-S11-006.
Alternative food safety intervention technologies: flash pasteurization of finfish -
Sommers, C.H., Rajkowski, K.T., Geveke, D.J., Bigley Jr, A.B., Scullen, B.J. 2013. Alternative food safety intervention technologies: flash pasteurization of finfish. Meeting Proceedings. 1:1.
Effects of antimicrobial coatings and cryogenic freezing on survival and growth of Listeria innocua on frozen ready-to-eat shrimp during thawing Reprint Icon -
Guo, M., Scullen, O.J., Sommers, C.H., Jin, Z.T. 2013. Effects of antimicrobial coatings and cryogenic freezing on survival and growth of Listeria innocua on frozen ready-to-eat shrimp during thawing. Journal of Food Science. 78(8):1195-1200.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Annous, B.A., Niemira, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. International Journal of Food, Agriculture, and the Environment. 11:86-91.
Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach -
Olanya, O.M., Ukuku, D.O., Niemira, B.A., Annous, B.A., Sommers, C.H. 2013. Efficacy of Pseudomonas fluorescens for biocontrol of Escherichia coli 0157:H7 on spinach. Meeting Abstract. Journal of Food Protection, Volume 76 (supplement),Page 35.
Inactivation of natural microflora and Listeria innocua on raw whole shrimp by ozonated water, antimicrobial coatings, and cryogenic freezing Reprint Icon -
Guo, M., Yang, R., Antenucci, R., Mills, B., Cassidy, J.M., Scullen, O.J., Sites, J.E., Rajkowski, K.T., Sommers, C.H., Jin, Z.T. 2013. Inactivation of natural microflora and Listeria innocua on raw whole shrimp by ozonated water, antimicrobial coatings, and cryogenic freezing. Food Control. 34:24-30.
Inactivation of Campylobacter jejuni on poultry by ultraviolet light -
Sommers, C.H., Gunther, N.W. 2013. Inactivation of Campylobacter jejuni on poultry by ultraviolet light. Meeting Proceedings. Proceedings:Midwestern Poultry Federation Convention.3/12 to 3/14/2013.P1-2.
Detection of Shiga toxin-producing Escherichia coli (STEC) O157:H7, STEC serogroups O26, O45, O103, O111, O121, and O145, and Salmonella in naturally-contaminated ground beef using the BAX system-based PCR kits -
Wasilenko, J.L., Fratamico, P.M., Sommers, C.H., Demarco, D.R., Varkey, S., Rhoden, K., Tice, G. 2013. Detection of Shiga toxin-producing Escherichia coli (STEC) O157:H7, STEC serogroups O26, O45, O103, O111, O121, and O145, and Salmonella in naturally-contaminated ground beef using the BAX system-based PCR kits. Meeting Abstract. MA.
Growth of non-0157:H7 shiga-toxin producing Escherichia coli on catfish fillets -
Khosravi, P., Silva, J., Sommers, C.H., Sheen, S. 2013. Growth of non-0157:H7 shiga-toxin producing Escherichia coli on catfish fillets. Meeting Abstract., IFT Annual Meeting, Chicago, IL., July 13-16, 2013. Volume 1, Page 1.
Temperature impact on the growth of Salmonella spp. in raw seafood -
Sheen, S., Lin, E., Hwang, C., Sommers, C.H. 2013. Temperature impact on the growth of Salmonella spp. in raw seafood. Meeting Abstract. IFT Annual Meeting, Chicago, IL., July 13-16, 2013.Volume 1,Page 1.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2013. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Meeting Abstract. IFT13., July 13-16,2013, Chicago, Illinois., Page 104.
Growth of non-0157:H7 shiga-toxin producing Escherichia coli on catfish fillets -
Khosravi, P., Silva, J., Sommers, C.H., Sheen, S. 2013. Growth of non-0157:H7 shiga-toxin producing Escherichia coli on catfish fillets. Journal of Food Processing and Technology. http://dx.doi.org/10.4172/2157-7110.S11-004.
Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach Reprint Icon -
Olanya, O.M., Annous, B.A., Niemira, B.A., Ukuku, D.O., Sommers, C.H. 2012. Effects of media on recovery of Escherichia coli 0157:H7 and Pseudomonas fluorescens from spinach. Journal of Food Safety. 32:492-501.
Inactivation of F.tularensis Utah-112 on food and food contact surfaces by ultraviolet light -
Sommers, C.H., Scullen, B.J., Paoli, G., Bhaduri, S. 2012. Inactivation of F.tularensis Utah-112 on food and food contact surfaces by ultraviolet light. Journal of Food Processing and Technology. doi:10.4172/2157-7110.S11-002.
Methods for detection, isolation, and identification of Non-O157 shiga toxin-producing Escherichia coli -
Fratamico, P.M., Wasilenko, J.L., Medina, M.B., Sommers, C.H. 2012. Methods for detection, isolation, and identification of Non-O157 shiga toxin-producing Escherichia coli. United States Japan Natural Resources Protein Panel. MA.
Prevalence and enumeration of microorganisms on catfish nuggets -
Rajkowski, K.T., Sommers, C.H. 2012. Prevalence and enumeration of microorganisms on catfish nuggets [abstract]. International Association of Food Protection, July 22-25, 2012, Providence, Rhode Island. 1:1.
Incidence and inactivation of Listeria spp. on frozen shrimp -
Rajkowski, K.T., Sommers, C.H., Antenucci, R., Mills, B., Scullen, O.J., Cassidy, J.M., Sites, J.E. 2012. Incidence and inactivation of Listeria spp. on frozen shrimp [abstract]. IAFP Meeting. July 22-25, 2012, Providence, RI. 1:1.
Inactivation of foodborne pathogens on crawfish tail meat using cryogenic freezing and gamma radiation -
Rajkowski, K.T., Sommers, C.H., Antenucci, R., Scullen, O.J., Cassidy, J.M., Bender, E. 2012. Inactivation of foodborne pathogens on crawfish tail meat using cryogenic freezing and gamma radiation [abstract]. IAFP Meeting. July 22-25, 2012, Providence, Rhode Island. 1:1.
Nonthermal and advanced thermal processing technologies for improving the safety and shelf-life of aquaculture raised seafood -
Sommers, C.H. 2012. Nonthermal and advanced thermal processing technologies for improving the safety and shelf-life of aquaculture raised seafood [abstract]. Institute of Food Technologists Annual Meeting, June 25-28, 2012, Las Vegas, NV. 1:1.
Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Transfer of Listeria monocytogenes serovars from cantaloupe rind surfaces to fresh cut pieces during preparation: effect of native microflora waiting period and storage temperature on the population of pathogens. Journal of Food Protection. 75(11)1912-1919.
Survival of Listeria monocytogenes, E.coli 0157:H7 and Salmonella spp. on catfish fillets exposed to microwave heating in a continuous mode -
Sheen, S., Huang, L., Sommers, C.H. 2012. Survival of Listeria monocytogenes, E.coli 0157:H7 and Salmonella spp. on catfish fillets exposed to microwave heating in a continuous mode. Journal of Food Science. 77(8):E209-E214.
Alternative food safety intervention technologies -
Sommers, C.H. 2012. Alternative food safety intervention technologies [abstract]. American Chemical Society Meeting. August 17-21, 2012, Philadelphia, PA. 1:1.
Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes -
Ukuku, D.O., Olanya, O.M., Geveke, D.J., Sommers, C.H. 2012. Effect of storage temperature on the survival and growth of Listeria monocyotogenes populations in the presence of indigenous surface microflora of fresh-cut cantaloupes [abstract]. International Association for Food Protection Annual Meeting., July 20-25, 2012, Providence, Rhode Island. 1:1.
Food irradiation: research and technology, preface -
Inactivation of Listeria innocua on frankfurters using flash pasteurization and lauric arginate ester -
Sommers, C.H., Mackay, W., Geveke, D.J., Lemmenes, B., Pulsfus, S. 2012. Inactivation of Listeria innocua on frankfurters using flash pasteurization and lauric arginate ester. Journal of Food Processing and Technology. 3(3):1000147.
Growth behavior of Escherichia coli 0157:H7, Listeria monocytogenes, Salmonella spp. and Pseudomonas aeruginosa on catfish fillets at abuse temperatures -
Sheen, S., Pang, Y., Sommers, C.H., Kit, L. 2012. Growth behavior of Escherichia coli 0157:H7, Listeria monocytogenes, Salmonella spp. and Pseudomonas aeruginosa on catfish fillets at abuse temperatures [abstract]. IFT Meeting. June 25-28, 2012, Las Vegas, NV. 1:1.
Leafy greens: current research on microbial control, a case study -
Sommers, C.H. 2012. Leafy greens: current research on microbial control, a case study [abstract]. 37th Annual Winter Meeting of the Toxicology Forum, January 31, 2012, Washington, DC.
Effect of anolyte on background microflora, Salmonella and Listeria monocytogenes on catfish fillets -
Rajkowski, K.T., Sommers, C.H. 2012. Effect of anolyte on background microflora, Salmonella and Listeria monocytogenes on catfish fillets. Journal of Food Protection. 75(4):765-770. DOI: 10.4315/0362-028X.JFP-11-426.
The effect of cryogenic freezing and gamma irradiation on the survival of Salmonella on frozen shrimp -
Sommers, C.H., Rajkowski, K.T., Sheen, S., Samer, C., Bender, E. 2011. The effect of cryogenic freezing and gamma irradiation on the survival of Salmonella on frozen shrimp. Journal of Food Processing and Technology. DOI: 10.4172/2157-7110 S8-001.
Development and validation of nonthermal and advanced thermal food safety intervention technologies -
Sommers, C.H. 2011. Development and validation of nonthermal and advanced thermal food safety intervention technologies [abstract]. US Food Safety Symposium, November 17-19, 2011, Taipei, Taiwan. 1:1.
Irradiation of ready-to-eat meats for pathogen control -
Ultraviolet light-an FDA approved technology -
Sommers, C.H. 2011. Ultraviolet light-an FDA approved technology [abstract]. International Association of Food Protection Annual Meeting, July 31-August 3, 2011, Milwaukee, Wisconsin. p 1.
Alternative food safety intervention technologies -
Sommers, C.H. Alternative food safety intervention technologies [abstract].American Chemical Society Mid-Atlantic Regional Meeting, College Park, MD., 1:1.
Safety of foods treated with novel process intervention technologies -
Sommers, C.H., Safety of foods treated with novel process intervention technologies [abstract]. April 29, 2011, Pittsburgh, PA. 1:1.
Effect of trisodium phosphate or water dip on the survival of Salmonella and Listeria monocytogenes inoculated catfish before and after freezing -
Rajkowski, K.T., Sommers, C.H. 2012. Effect of trisodium phosphate or water dip on the survival of Salmonella and Listeria monocytogenes inoculated catfish before and after freezing. Journal of Aquatic Food Product Technology. 21(1):39-47.
Survival of Listeria monocytogenes and Salmonella spp. on catfish exposed to microwave heating in a continuous mode -
Sheen, S., Huang, L., Sommers, C.H. 2011. Survival of Listeria monocytogenes and Salmonella spp. on catfish exposed to microwave heating in a continuous mode [abstract]. International Microwave Power Institute (IMPI). June 8-10, 2011, New Orleans, LA. 1:1.
Inactivation of foodborne pathogens on seafood by gamma radiation -
Sommers, C.H., Iactivation of foodborne pathogens on seafood by gamma radiation American Society for Testing Methods [abstract]. American Society for Testing Methods International Meeting. January 31, 2011, Baltimore, Maryland. 1:1.
Inactivation of avirulent Yersinia pestis in beef bologna by gamma irradiation -
Sommers, C.H., Niemira, B.A. 2011. Inactivation of avirulent Yersinia pestis in beef bologna by gamma irradiation. Journal of Food Protection. 74(4):627-630.
Radiation inactivation of foodborne pathogens on frozen seafood products -
Sommers, C.H., Rajkowski, K.T. 2011. Radiation inactivation of foodborne pathogens on frozen seafood products. Journal of Food Protection. 74(4):641-644.
Emerging issues in food irradiation research -
Sommers, C.H. 2010. Emerging issues in food irradiation research [abstract]. Council on Ionizing Radiation Measurements and Standards (CIRMS). October 18, 2010, Rockville, Maryland. 1:1.
Inactivation of Listeria monocytogenes on catfish -
Sommers, C., Rajkowski, K., Mackay, W., 2010. Inactivation of Listeria monocytogenes on catfish [abstract].Federal Catfish Research Conference. Washington, DC. p.1.
Translocation of Shiga-toxin producting cells of Escherichia coli in chemically-injected beef subprimals -
Thermal inactivation of Shiga-toxin producing cells of Escherichia coli in chemically-injected beef steaks cooked on a commericial open-flame gas grill -
UV-C Inactivation of Francisella tularensis Utah-112 on agar surfaces, stainless steel, and foods -
Sommers, C., Paoli, G., 2010. UV-C Inactivation of Francisella tularensis Utah-112 on agar surfaces, stainless steel, and foods [abstract]. Institute of Food Technologists Annual Meeting. Chicago, IL. p.1.
Antilisterial efficacy and lack of genotoxic potential of Listeria monocytogenes specific bacteriophages -
Mackay, W., Sommers, C., Rajkowski, K.,Barton, D., 2010 Antilisterial efficacy and lack of genotoxic potential of Listeria monocytogenes specific bacteriophages [abstract].Annual Meeting of the Society of Toxicology. Salt Lake City, UT. p.1.
Food Irradiation – Principles and Applications -
Inactivation of foodborne pathogens on frankfurters using ultraviolet light (254 nm) and GRAS antimicrobials -
Sommers, C.H., Scullen, O.J., Sites, J.E. 2010. Inactivation of foodborne pathogens on frankfurters using ultraviolet light (254 nm) and GRAS antimicrobials. Journal of Food Safety. 31:1-12. Available: http://www3.interscience.wiley.com/cgi-bin/fulltext/123387396/PDFSTART.
Behavior of Avirulent Yersinia pestis in Liquid Whole Egg as Affected by Antimicrobials and Thermal Pasteurization -
Gurtler, J., Rivera, R.B., Zhang, H.Q., Sommers, C.H. 2010. Behavior of Avirulent Yersinia pestis in Liquid Whole Egg as Affected by Antimicrobials and Thermal Pasteurization. Journal of Food Safety. 30:537-557.
Ultraviolet light (254 NM) inactivation of pathogens on foods and stainless steel surfaces -
Sommers, C.H., Sites, J.E., Musgrove, M.T. 2010. Ultraviolet light (254 NM) inactivation of pathogens on foods and stainless steel surfaces. Journal of Food Safety. 30(2):470-479.
Risk Analysis for Nonthermal process interventions -
Sommers, C. 2009. Risk Analysis for Non-Thermal process interventions [abstract].Institute of Food Technologists Annual Meeting. Anaheim, CA. p.1.
Antilisterial activity and lack of genotoxic potential of L. monocytogenes specific bacteriophages -
Sommers, C. 2009. Antilisterial activity and lack of genotoxic potential of L. monocytogenes specific bacteriophages [abstract]. Edinboro University of PA. p.1.
Ionizing Solutions to Future Processor Demands for Safe Food -
Sommers, C. 2009. Ionizing solutions to future processor demands for safe food [abstract] Grocery Manufacturers Association: New Technology Symposium. Alexandria, VA. p.1.
Translocation and thermal inactivation of Shiga-toxin producing Escherichia coli in non-intact beef -
Luchansky,J.,Huang,L.,Sommers,C.,Shoyer,B.,Call,J.,Porto-Fett,A. 2009. Translocation and thermal inactivation of Shiga-toxin producing Escherichia coli in non-intact beef [abstract].ProSafe Beef Conference.Dublin,Ireland.p.1.
Antilisterial activity and lack of genotoxic potential of L. monocytogenes specific bacteriophages -
Sommers, C., Rajkowski, K.,Mackay, W. 2009. Antilisterial activity and lack of genotoxic potential of L. monocytogenes specific baceteriophages. [abstract] International Association of Food Protection. Grapevine, TX. p.1.
Ultraviolet light (254 NM) inactivation of pathogens on foods and stainless steel surfaces -
Sommers, C., Sites, J., Musgrove, M., Geveke, D., 2009. Ultraviolet Light Inactivation of Pathogens on food and stainless steel surfaces [abstract]. Institute of Food Technologists Annual Meeting. Anaheim, CA. p.1.
Inactivation of foodborne pathogens on frankfurters using ultraviolet light and GRAS antimicrobials -
Sommers, C., Sites, J., Geveke, D. 2009. Inactivation of foodborne pathogens on frankfurters using ultraviolet light and GRAS antimicrobials [abstract] Institute of Food Technologists Annual Meeting. Anaheim, CA p.1.
Food Irradiation Research and Technology -
Sommers, C. 2009. Food Irradiation Research and Technology [abstract]. The Ohio Association of Food and Environmental Sanitarians Winter Meeting. Columbus, Ohio. p.1
Ultraviolet Light (254 nm) Inactivation of Listeria monocytogenes on frankfurters that contain potassium lactate and sodium diacetate -
Sommers, C.H., Cooke, P.H., Fan, X., Sites, J.E. 2009. Ultraviolet Light (254 nm) Inactivation of Listeria monocytogenes on frankfurters that contain potassium lactate and sodium diacetate. Journal of Food Science. 74(3):M114-M119.
Inactivation of Listeria innocua on frankfurters by ultraviolet light and flash pasteurization -
Sommers, C.H., Geveke, D.J., Pulsfus, S., Lemmenes, B. 2009. Inactivation of Listeria innocua on frankfurters by ultraviolet light and flash pasteurization. Journal of Food Science. 74(3):M138-M141.
Inactivation of avirulent Yersinia pestis in butterfield's phosphate buffer and frankfurters by UVC (254 nm) and gamma irradiation -
Sommers, C.H., Cooke, P.H. 2009. Inactivation of avirulent Yersinia pestis in butterfield's phosphate buffer and frankfurters by UVC (254 nm) and gamma irradiation. Journal of Food Protection. 72(4):755-759.
Radiation resistance and post-irradiation proliferation of Listeria monocytogenes on ready-to-eat deli meat in the presence of pectin/nisin films -
Jin, Z.T., Liu, L.S., Sommers, C.H., Boyd, G., Zhang, H.Q. 2009. Radiation resistance and post-irradiation proliferation of Listeria monocytogenes on ready-to-eat deli meat in the presence of pectin/nisin films. Journal of Food Protection. 72(3):644-649.
Food Irradiation Research and Technology -
Sommers, C. 2008. Food Irradiation Research and Technology [abstract]. Council on Ionizing Radiation Measurement and Stardards (CIRMS). Gaithersburg, MD. p. 1.
Food irradiation research and technology -
Sommers, C. 2008. Irradiation Research and Technology. [abstract] International Association for Food Protection. p. 1.
Nonthermal processing technologies to improve the safety of raw meat and poultry products and ready-to-eat foods -
Sommers, C. 2008. Kraft/Oscar Mayer Meat Science Summit, [abstract] Madison, WI.p.1.
Survival of Yersinia in whole liquid egg as influenced by the presence of nisin -
Gurtler, J., Zhang, H., Sommers, C., 2008. Survival of Yersinia in whole liquid egg as influenced by the presence of nisin. [abstract]. International Association for Food Protection - 95th Annual Meeting. p. 1.
Virulence of Listeria monocytogenes following repeated exposure to Ultraviolet (254nm) Light -
Sommers, C. 2008. Virulence of Listeria Monocytogenes following repeated exposure to ultravioet light [abstract]. Institute of Food Technologists Annual Meeting. New Orleans, LA. p.1.
Inactivation of Listeria innocua on the surfaces of frankfurters using UVC light and flash pasteurization -
Sommers, C., Geveke, D., Pulsfus, Seth, Lemmenes, Bryan, 2008. Inactivation of Listeria innocua on the surfaces of frankfurters using UVC light and flash pasteurization. [abstract]. Institute of Food Technologists Annual Meeting. p. 1.
DETECTION OF YERSINIA PESTIS BY COMPARISON OF VIRULENCE PLASMID (PYV/PCD)-ASSOCIATED PHENOTYPES IN YERSINIA SPECIES -
Bhaduri, S., O Connor, C. 2008. Comparison of Virulence Plasmid (pYV/pCD)-Associated Phenotypes in Yersinia Species. Journal of Food Safety. 28:453-466.
Letter to the Editor. Radiation Sensitivity of Escherichia Coli JM109 and DH5 Alpha -
Sommers, C.H., Rajkowski, K.T. 2008. Letter to the Editor. Radiation Sensitivity of Escherichia Coli JM109 and DH5 Alpha. Journal of Food Science. 73(1):vii.
Inactivation of Escherichia Coli JM109, DH5 ALPHA and O157:H7 Suspended in Butterfields Phosphate Buffer by Gamma Irradiation -
Sommers, C.H., Rajkowski, K.T. 2008. Inactivation of Escherichia Coli JM109, DH5 ALPHA and O157:H7 Suspended in Butterfields Phosphate Buffer by Gamma Irradiation. Journal of Food Science. 73(2):M87-M90.
Induction of micronuclei by palmitic acid and its unique radiolytic product 2-dodecylcyclobutanone -
Sommers, C.H. 2007. Induction of micronuclei by palmitic acid and its unique radiolytic product 2-dodecylcyclobutanone. In: Proceedings of the United States-Japan (UJNR), 36th Annual Meeting, October 21-25, 2007, Tsukuba, Ibaraki, Japan. p. 59-62.
Flash Pasteurization inactivation of Listeria innocua on frankfurters that contain potassium lactate and sodium diacetate -
Sommers, C.H., Geveke, D.J., Fan, X. 2008. Flash Pasteurization inactivation of Listeria innocua on frankfurters that contain potassium lactate and sodium diacetate. Journal of Food Science. M1-M3.
EFFECT OF TEMPERATURE ON THE RADIATION RESISTANCE OF YERSINIA PESTIS SUSPENDED IN RAW GROUND PORK -
Sommers, C.H., Niemira, B.A. 2007. Effect of temperature on the radiation resistance of yersinia pestis suspended in raw ground pork. Journal of Food Safety. 27:317-325.
MODELING THE IRRADIATION-FOLLOWED-BY-HEAT INACTIVATION OF SALMONELLA INOCULATED IN LIQUID WHOLE EGG -
Alvarez, I., Niemira, B.A., Fan, X., Sommers, C.H. 2007. Modeling the irradiation-followed-by-heat inactivation of salmonella inoculated in liquid whole egg. Journal of Food Science. 72(5):M145-M152.
Inactivation of Salmonella Enteriditis and Salmonella Senftenberg in liquid whole egg using generally recognized as safe additives, ionizing radiation and heat -
Alvarez, I., Niemira, B.A., Fan, X., Sommers, C.H. 2007. Inactivation of Salmonella Enteriditis and Salmonella Senftenberg in liquid whole egg using generally recognized as safe additives, ionizing radiation and heat. Journal of Food Protection. 70(6):1402-1409.
Inactivation of Listeria on Frankfurter Surfaces Using UVC Radiation and Vacuum-Steam-Vacuum Pasteurization -
Sommers, C.H., Geveke, D.J. 2006. Inactivation of Listeria on Frankfurter Surfaces Using UVC Radiation and Vacuum-Steam-Vacuum Pasteurization. In: Proceedings of the United States-Japan Cooperative Program in Natural Resources, October 21-28, 2006, Sonoma, California. p. F23-F25.
PRODUCTION OF MUTAGENIC METABOLITES BY METARHIZIUM ANISOPLIAE -
Krasnoff, S.B., Sommers, C.H., Moon, Y., Donzelli, B., Vandenberg, J.D., Churchill, A., Gibson, D.M. 2006. Production of mutagenic metabolites by metarhizium anisopliae. Journal of Agricultural and Food Chemistry. 54:7083-7088.
EFFECT OF GAMMA RADIATION ON FURAN FORMATION IN READY-TO-EAT PRODUCTS AND THEIR INGREDIENTS -
Fan, X., Sommers, C.H. 2006. Effect of gamma radiation on furan formation in ready-to-eat products and their ingredients. Journal of Food Science. 71(7):C407-C412.
IRRADIATION INACTIVATION OF LISTERIA MONOCYTOGENES IN LOW FAT GROUND PORK AT FROZEN AND REFRIGERATED TEMPERATURE -
Bari, M.L., Mochida, M., Sommers, C.H., Hayakawa, F., Todoriki, S., Kawamoto, S. 2006. Irradiation inactivation of listeria monocytogenes in low fat ground pork at frozen and refrigerated temperature. Journal of Food Protection. 69:2955-2960.
RADIATION SENSITIVITY AND POST-IRRADIATION GROWTH OF FOODBORNE PATHOGENS ON A READY-TO-EAT “FRANKFURTER ON A ROLL” IN THE PRESENCE OF MODIFIED ATMOSPHERE AND ANTIMICROBIALS -
Sommers, C.H., Boyd, G. 2006. Radiation sensitivity and post-irradiation growth of foodborne pathogens on a ready-to-eat “frankfurter on a roll” in the presence of modified atmosphere and antimicrobials. Journal of Food Protection. 69(10):2436-2440.
ENSURING THE SAFETY OF COMPLEX READY-TO-EAT FOODS USING IRRADIATION -
Sommers, C.H., Boyd, G. 2006. Ensuring the safety of complex ready-to-eat foods using irradiation. IFT Annual Meeting & Food Expo. Orlando, FL. 6/28/06. p. 1.
E2449-05 STANDARD GUIDE FOR IRRADIATION OF PREPACKAGED PROCESSED MEAT AND POULTRY PRODUCTS TO CONTROL PATHOGENS AND OTHER MICROORGANISMS -
Logar, J., Sommers, C.H., Kusnesof, P., Astm Subcommittee, E. 2006. E2449-05 standard guide for irradiation of prepackaged processed meat and poultry products to control pathogens and other microorganisms. ASTM International. 1-7.
INDUCTION OF MICRONUCLEI IN HUMAN TK6 LYMPHOBLASTS BY 2-DODECYLCYCLOBUTANONE, A UNIQUE RADIOLYTIC PRODUCT OF PALMITIC ACID -
IONIZING RADIATION OF EGGS -
RADIATION SENSITIVITY OF SALMONELLA ISOLATES RELATIVE TO RESISTANCE TO AMPICILLIN, CHLORAMPHENICOL OR GENTAMICIN -
Niemira, B.A., Lonczynski, K., Sommers, C.H. 2006. Radiation sensitivity of salmonella isolates relative to resistance to ampicillin, chloramphenicol or gentamicin. Journal of Radiation Physics and Chemistry. 75:1080-1086.
INACTIVATION OF SALMONELLA SEROVARS IN LIQUID WHOLE EGG BY HEAT FOLLOWING IRRADIATION TREATMENTS -
COMPLEX FORMATION WITH DAMAGE RECOGNITION PROTEIN RAD14 IS ESSENTIAL FOR SACCHAROMYCES CEREVISIAE RAD1-RAD10 NUCLEASE TO PERFORM ITS FUNCTION IN NUCLEOTIDE EXCISION REPAIR IN VIVO -
Guzder, S.N., Sommers, C.H., Prakash, L., Prakash, S. 2006. Complex formation with damage recognition protein rad14 is essential for saccharomyces cerevisiae rad1-rad10 nuclease to perform its function in nucleotide excision repair in vivo. Molecular and Cellular Biology. 26(3): 1135-1141.
VARIATIONS IN THE RADIATION SENSITIVITY OF FOODBORNE PATHOGENS ASSOCIATED WITH COMPLEX READY-TO-EAT FOODS -
Sommers, C.H., Boyd, G. 2006. Variations in the radiation sensitivity of foodborne pathogens associated with complex ready-to-eat foods. Journal of Radiation Physics and Chemistry. 75:773-778.
INACTIVATION OF SALMONELLA IN LIQUID WHOLE EGG BY IONIZING RADIATION AND HEAT -
Alvarez, I., Niemira, B.A., Fan, X., Sommers, C.H. 2005. Inactivation of salmonella in liquid whole egg by ionizing radiation and heat. Institute of Food Technologists Annual Meeting and Food Expo, July 16-20, 2005, New Orleans, LA. p. 108-4.
SAFETY TESTING OF 2-ALKYLCYCLOBYTANONES- UNIQUE RADIOLYTIC PRODUCTS -
Sommers, C.H. 2005. Safety testing of 2-alkylcyclobytanones- unique radiolytic products. Japanese Research Association for Food Irradiation (JRAFI), November 30, 2005, Tokyo, Japan. p. 7-12.
SAFETY TESTING OF 2-ALKYLCYCLOBUTANONES- UNIQUE RADIOLYTIC PRODUCTS -
Sommers, C.H. 2005. Safety testing of 2-alkylcyclobutanones- unique radiolytic products [abstract]. Japanese Research Association for Food Irradiation. p.1.
TOXICOLOGICAL SAFETY OF IRRADIATED FOODS -
RISK ASSESSMENT OF FOODS PROCESSED USING NONTHERMAL INTERVENTION TECHNOLOGIES -
Sommers, C.H. 2006. Risk assessment of foods processed using nonthermal intervention technologies. ACS Annual Meeting. Atlanta, GA. 5/29/006. p. 1.
RECENT ADVANCES IN FOOD IRRADIATION-MUTAGENICITY TESTING OF 2-DODECYLCYCLOBUTANONE -
TOXICOLOGY TESTING OF THE UNIQUE RADIOLYTIC PRODUCT 2-DODECYLCYCLOBUTANONE -
Sommers, C.H. 2005. Toxicology testing of the unique radiolytic product 2-dodecylcyclobutanone [abstract]. American Chemical Society. p.1.
INACTIVATION OF PATHOGENS IN COMPLEX READY-TO-EAT FOODS USING GAMMA IRRADIATION -
Alvarez, I., Niemira, B.A., Fan, X., Sommers, C.H. 2005. Inactivation of pathogens in complex ready-to-eat foods using gamma irradiation [abstract]. Institute of Food Technologists Nonthermal Processing Division Workshop. p.1.
INACTIVATION OF PATHOGENS IN COMPLEX READY-TO-EAT FOODS USING GAMMA IRRADIATION -
Sommers, C.H., Boyd, G. 2005. Inactivation of pathogens in complex ready-to-eat foods using gamma irradiation [abstract].Institute of Food Technologists Nonthermal Processing Division Workshop. p.1.
REDUCTION OF IRRADIATION-INDUCED QUALITY CHANGES BY ROSEMARY EXTRACT IN READY-TO-EAT TURKEY PRODUCT -
Fan, X., Sommers, C.H., Sokorai, K.J. 2006. Reduction of irradiation-induced quality changes by rosemary extract in ready-to-eat turkey product. In Havkin-Frenkel, D., Frenkel, C., Dudai, N., editors. Proceeding of the First International Symposium on Natural Preservatives in Food Systems. Acta Horticulture 709:61-67.
GENOTOXICITY OF THE UNIQUE RADIOLYTIC PRODUCT 2-DODECYLCYCLOBUTANONE -
Sommers, C.H. 2005. Genotoxicity of the unique radiolytic product 2-dodecylcyclobutanone [abstract]. AlChe. p.1.
NEW APPLICATIONS IN FOOD IRRADIATION -
Niemira, B.A., Sommers, C.H. 2006. New applications in food irradiation. Heldman, D.R., editor. Encyclopedia of Agricultural, Food, and Biological Engineering. New York, NY: Taylor & Francis Group. p.1-6.
STUDIES OF POST-IRRADIATION SURVIVAL OF LISTERIA MONOCYTOGENES AND L. INNOCUA ON ENDIVE, REGROWTH UNDER MODIFIED ATMOSPHERE PACKAGING AND PRODUCT SENSORY QUALITIES -
Niemira, B.A., Fan, X., Sokorai, K.J., Sommers, C.H., Rajkowski, K.T. 2006. STUDIES OF POST-IRRADIATION SURVIVAL OF LISTERIA MONOCYTOGENES AND L. INNOCUA ON ENDIVE, REGROWTH UNDER MODIFIED ATMOSPHERE PACKAGING AND PRODUCT SENSORY QUALITIES. Meeting Abstract. 301-316.
EFFECTS OF CALCIUM ASCORBATE AND IONIZING RADIATION ON THE SURVIVAL OF LISTERIA MONOCYTOGENES AND PRODUCT QUALITY OF FRESH-CUT “GALA” APPLES -
Fan, X., Sokorai, K.J., Sommers, C.H., Niemira, B.A., Mattheis, J.P. 2005. Effects of calcium ascorbate and ionizing radiation on the survival of listeria monocytogenes and product quality of fresh-cut “gala” apples. Journal of Food Science. M352-358.
TRENDS IN FOOD IRRADIATION -
Niemira, B.A., Fan, X., Sommers, C.H., Alvarez, I. 2005. Trends in food irradiation. University of Sao Paulo, June 15, 2005, Sao Paulo, Brazil.
EFFECT OF BENZENE AND ITS CLOSED RING METABOLITES ON INTRACHROMOSOMAL RECOMBINATION IN SACCHAROMYCES CEREVISIAE -
Sommers, C.H., Schiestl, R. 2006. Effect of benzene and its closed ring metabolites on intrachromosomal recombination in saccharomyces cerevisiae. Mutation Research. 593:1-8.
FOOD IRRADIATION AS A MEANS TO ASSURE FOOD SAFETY -
Sommers, C.H. 2005. Food irradiation as a means to assure food safety [abstract]. Drexel University. p.1.
USE OF ROSEMARY EXTRACT TO REDUCE UNDESIRABLE QUALITY CHANGES OF READY-TO-EAT TURKEY BOLOGNA INDUCED BY IONIZING RADIATION -
Fan, X., Sommers, C.H. 2005. Use of rosemary extract to reduce undesirable quality changes of ready-to-eat turkey bologna induced by ionizing radiation. International Symposium on Natural Preservatives in Food Systems, March 30-31, 2005, Princeton, NJ. Abstract #4, p. 27.
EFFECTS OF CALCIUM ASCORBATE, AN ANTIOXIDANT AND ANTIBROWNING AGENT, ON RADIATION RESISTANCE OF L. MONOCYTOGENES AND QUALITY OF "GALA" APPLE SLICES -
Fan, X., Sokorai, K.J., Sommers, C.H., Niemira, B.A., Mattheis, J.P. 2005. Effects of calcium ascorbate, an antioxidant and antibrowning agent, on radiation resistance of l. monocytogenes and quality of "gala" apple slices. Institute of Food Technologists Annual Meeting, July 16-20, 2004, New Orleans, LA. p. 36E-31.
IRRADIATION DESTRUCT VALUES OF SHIGELLA SONNIE, SALMONELLA OR ESCHERICHIA COLI O157:H7 AND POST IRRADIATION SURVIVAL AND REGROWTH OF INDIGENOUS MICROFLORA ON VEGETABLE SPROUTS AND ON WARM/COLD WATER-WASHED CUT ICEBERG LETTUCE -
Rajkowski, K.T., Fan, X., Sommers, C.H., Niemira, B.A. 2006. Irradiation destruct values of shigella sonnie, salmonella or escherichia coli o157:h7 and post irradiation survival and regrowth of indigenous microflora on vegetable sprouts and on warm/cold water-washed cut iceberg lettuce. IAEA, July 25-29, 2005, Vienna, Austria. p. 317-324.
VARIATIONS IN THE RADIATION SENSITIVITY OF FOODBORNE PATHOGENS ASSOCIATED WITH COMPLEX READY-TO-EAT FOODS -
Sommers, C.H., Boyd, G. 2005. Variations in the radiation sensitivity of foodborne pathogens associated with complex ready-to-eat foods. Meeting Abstract.
F1640-03 STANDARD GUIDE FOR IRRADIATION AND USE OF PACKAGING MATERIALS FOR FOODS TO BE IRRADIATED -
Logar, J., Sommers, C.H. 2004. F1640-03 standard guide for irradiation and use of packaging materials for foods to be irradiated. 1-5.
F1736-03 STANDARD GUIDE FOR IRRADIATION OF FINFISH AND AQUATIC INVERTEBRATES USED AS FOOD TO CONTROL PATHOGENS AND SPOILAGE MICROORGANISMS -
Logar, J., Sommers, C.H. 2004. F1736-03 standard guide for irradiation of finfish and aquatic invertebrates used as food to control pathogens and spoilage microorganisms. ASTM International. 1-6.
DNA DAMAGE-INDUCIBLE GENE EXPRESSION AND FORMATION OF 5-FLUOROURACIL-RESISTANT MUTANTS IN ESCHERICHIA COLI EXPOSED TO 2-DODECYCLOBUTANONE -
Sommers, C.H., Mackay, W. 2005. DNA damage-inducible gene expression and formation of 5-fluorouracil-resistant mutants in escherichia coli exposed to 2-dodecyclobutanone. Journal of Food Science. 7(4):254-257.
MECHANISMS OF MICROBIAL SPOILAGE OF FRUITS AND VEGETABLES -
Niemira, B.A., Sommers, C.H., Ukuku, D.O. 2005. Mechanisms of microbial spoilage of fruits and vegetables. In: Lamikanra, O., Imam, S.H., Ukuku, D.O., editors. Produce Degradation: Reaction Pathways and their Prevention. New York, NY: Taylor and Francis Group. p. 463-482.
D-10 VALUES AND ELIMINATION OF FOODBORNE PATHOGENS -
Sommers, C.H. 2004. D-10 values and elimination of foodborne pathogens. CIRMS 2004, November 3, 2004, Gaithersburg, Maryland. p.1.
FOOD IRRADIATION IS ALREADY HERE -
Sommers, C.H. 2004. Food irradiation is already here. Food Technology. 58(11): 22.
A RAPID METHOD TO MEASURE HEAT-INDUCED DAMAGE TO DNA IN CLOSTRIDIUM PERFRINGENS -
Novak, J.S., Sommers, C.H., Juneja, V.K. 2005. A rapid method to measure heat-induced damage to dna in clostridium perfringens. Food Control. 16:399-404.
SENSORY EVALUATION OF IRRADIATED GROUND BEEF PATTIES FOR THE NATIONAL SCHOOL LUNCH PROGRAM -
Fan, X., Niemira, B.A., Rajkowski, K.T., Phillips, J.G., Sommers, C.H. 2004. Sensory evaluation of irradiated ground beef patties for the national school lunch program. Journal of Food Science. 69:S394-S387.
RECENT ADVANCES IN FOOD IRRADIATION -
Sommers, C.H. 2004. Recent advances in food irradiation. ACS, August 6, 2004, Philadelphia, Pennsylvania. p.1.
THE ACB'S (ALKYLCYCLOBUTANONES) OF FOOD IRRADIATION -
Sommers, C.H. 2004. The acb's (alkylcyclobutanones) of food irradiation. ACS, August 6, 2004, Philadelphia, Pennsylvania. p.1.
USDA IRRADIATION PERSPECTIVE - AGRICULTURAL RESEARCH SERVICE ROLE IN THE NATIONAL SCHOOL LUNCH PROGRAM -
Sommers, C.H. 2004. USDA irradiation perspective - agricultural research service role in the national school lunch program. Major City Directors & Supervisors Meeting. May 12, 2004, Lakeland, Florida. p1.
ELIMINATION OF LISTERIA MONOCYTOGENES FROM READY-TO-EAT TURKEY AND CHEESE TORTILLA WRAPS USING IONIZING RADIATION -
Sommers, C.H., Boyd, G. 2005. Elimination of listeria monocytogenes from ready-to-eat turkey and cheese tortilla wraps using ionizing radiation. Journal of Food Protection. 164-167.
IONIZING RADIATION AND ANTIOXIDANTS AFFECT VOLATILE SULFUR COMPOUNDS, LIPID OXIDATION AND COLOR OF READY-TO-EAT TURKEY BOLOGNA -
Fan, X., Sommers, C.H., Sokorai, K.J. 2004. Irradiation and antioxidants affect volatile sulfur compounds, lipid oxidation and color of ready-to-eat turkey bologna. Journal of Agricultural and Food Chemistry. 52:3509-3515.
2-DODECYLCYCLOBUTANONE DOES NOT INDUCE MUTATIONS IN THE SALMONELLA MUTAGENICITY TEST OR INTRACHROMOSOMAL RECOMBINATION IN SACCHAROMYCES CEREVISAE -
Sommers, C.H., Sohistl, R.H. 2004. 2-dodecylcyclobutanone does not induce mutations in the salmonella mutagenicity test or intrachromosomal recombination in saccharomyces cerevisae. Journal of Food Protection. 67:1293-1298.
IRRADIATION OF READY-TO-EAT FOODS AT USDA'S EASTERN REGIONAL RESEARCH CENTER - 2003 UPDATE -
Sommers, C.H., Fan, X., Niemira, B.A., Rajkowski, K.T. 2004. Irradiation of ready-to-eat foods at usda's eastern regional research center - 2003 update. Journal of Radiation Physics and Chemistry. 71:511-514.
IMPROVING THE MICROBIOLOGICAL SAFETY OF POULTRY BY IRRADIATION -
Sommers, C.H. 2003. Improving the microbiological safety of poultry by irradiation. Feedinfo News Service.
EFFECT OF IONIZING RADIATION ON THE SAFETY AND QUALITY OF FOODS -
Sommers, C.H. 2003. Effect of ionizing radiation on the safety and quality of foods (Meeting Abstract). EFSC XIII. p. 1.
IRRADIATION OF READY-TO-EAT MEATS: ELIMINATING LISTERIA MONOCYTOGENES WHILE MAINTAINING PRODUCT QUALITY. -
Sommers, C.H., Keser, N., Fan, X., Wallace, F.M., Novak, J.S., Handel, A.P., Niemira, B.A. 2004. Irradiation of ready-to-eat meats: eliminating listeria monocytogenes while maintaining product quality. Komolprasert V. and Morehouse, K. Washington, D.C. American Chemical Society. p. 77-89.
2-DODECYLCYCLOBUTANONE, A CHEMICAL PRODUCED BY IRRADIATION OF FAT CONTAINING FOODS, DOES NOT INDUCE MUTATIONS IN THE ESCHERICHIA COLI TRYPTOPHAN REVERSE MUTATION ASSAY -
Sommers, C.H. 2003. 2-dodecylcyclobutanone, a chemical produced by irradiation of fat containing foods, does not induce mutations in the escherichia coli tryptophan reverse mutation assay. Journal of Agriculture and Food Chemistry. 51:6367-6370.
RADIATION (GAMMA) RESISTANCE AND POST-IRRADIATION GROWTH OF LISTERIA MONOCTYTOGENES SUSPENDED IN BEEF BOLOGNA THAT CONTAINED SODIUM DIACETATE AND POTASSIUM LACTATE -
SOMMERS, C.H., FAN, X., NIEMIRA, B.A., SOKORAI, K.J. RADIATION (GAMMA) RESISTANCE AND POST-IRRADIATION GROWTH OF LISTERIA MONOCTYTOGENES SUSPENDED IN BEEF BOLOGNA THAT CONTAINED SODIUM DIACETATE AND POTASSIUM LACTATE. JOURNAL OF FOOD SAFETY. 2003. V. 66. P. 2051-2056.
EFFECT OF IRRADIATION AND FROZEN STORAGE ON INJURY AND SURVIVAL OF SALMONELLA ENTERITIDIS IN CONCENTRATED ORANGE JUICE -
NIEMIRA, B.A., SOMMERS, C.H., BOYD, G. EFFECT OF IRRADIATION AND FROZEN STORAGE ON INJURY AND SURVIVAL OF SALMONELLA ENTERITIDIS IN CONCENTRATED ORANGE JUICE. JOURNAL OF FOOD PROTECTION. 2003. V. 66 (10). P. 1916-1919.
TOXICOLOGICAL SAFETY OF IRRADIATED FOODS -
Sommers, C.H. 2003. Toxicological safety of irradiated foods. Meeting Abstract.
IONIZING RADIATION SENSITIVITY OF LISTERIA MONOCYTOGENES AND L. INNOCUA INOCULATED ON ENDIVE (CICHORIUM ENDIVA) -
NIEMIRA, B.A., FAN, X., SOKORAI, K.J., SOMMERS, C.H. IONIZING RADIATION SENSITIVITY OF LISTERIA MONOCYTOGENES AND L. INNOCUA INOCULATED ON ENDIVE (CICHORIUM ENDIVA). JOURNAL OF FOOD PROTECTION. 2003. V. 66 (6). P. 993-998.
FORMULATION OF SOY- AND BEEF-BASED READY TO EAT FOOD PRODUCTS INFLUENCES RADIATION SENSITIVITY OF SURFACE-INOCULATED LISTERIA MONOCYTOGENES AND POST-IRRADIATION PRODUCT SENSORY PROPERTIES -
NIEMIRA, B.A., SOMMERS, C.H., FAN, X., SOKORAI, K.J. FORMULATION OF SOY- AND BEEF-BASED READY TO EAT FOOD PRODUCTS INFLUENCES RADIATION SENSITIVITY OF SURFACE-INOCULATED LISTERIA MONOCYTOGENES AND POST-IRRADIATION PRODUCT SENSORY PROPERTIES. JOURNAL OF FOOD SAFETY. 2003. V. 23. P. 35-46.
RADIATION SENSITIVITY OF A PATHOGEN (LISTERIA MONOCYTOGENES) AND A SURROGATE (L. INNOCUA) ON INOCULATED ENDIVE (CICHORIUM ENDIVA) -
Niemira, B.A., Fan, X., Sommers, C.H. 2003. Radiation sensitivity of a pathogen (listeria monocytogenes) and a surrogate (l. innocua) on inoculated endive (cichorium endiva). Report of 2nd FAO/IAE Research Co-ordination Meeting (RCM), April 14-18, 2003, Belfast, Ireland. p. 94-96.
IRRADIATION (GAMMA) OF FINE EMULSION SAUSAGE THAT CONTAINTED SODIUM DIACETATE -
SOMMERS, C.H., FAN, X. IRRADIATION (GAMMA) OF FINE EMULSION SAUSAGE THAT CONTAINTED SODIUM DIACETATE.. JOURNAL OF FOOD PROTECTION. 2002. V. 66(5). P. 819-824.
IRRADIATION OF MINIMALLY PROCESSED MEATS -
SOMMERS, C.H. IRRADIATION OF MINIMALLY PROCESSED MEATS. CRC PRESS. BOOK CHAPTER. 2003. CHAPTER 14. P. 301-318.
USE OF VACUUM-STEAM-VACUUM AND IONIZING RADIATION TO ELIMINATE LISTERIA INNOCUA FROM HAM -
SOMMERS, C.H., KOZEMPEL, M.F., FAN, X., RADEWONUK, E.R. USE OF VACUUM-STEAM-VACUUM AND IONIZING RADIATION TO ELIMINATE LISTERIA INNOCUA FROM HAM. JOURNAL OF FOOD PROTECTION. 2002. V. 65. P. 1981-1983.
VOLATILE SULFUR COMPOUNDS IN IRRADIATED PRE-COOKED TURKEY BREAST ANALYZED WITH PULSED FLAME PHOTOMETRIC DETECTION -
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