Andrew Gehring
(PhD)
Characterization and Interventions for Foodborne Pathogens
Research Leader
Phone: (215) 233-6491
Fax: (215) 233-6581
(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
Publications
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will take you to the publication reprint.)
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Detection of Escherichia coli O157:H7 in ground beef using long-read sequencing
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Counihan, K.L., Kanrar, S., Tilman, S.M., Capobianco Jr, J.A., Armstrong, C.M., Gehring, A.G. 2024. Detection of Escherichia coli O157:H7 in ground beef using long-read sequencing. Foods. 13(6):828. https://doi.org/10.3390/foods13060828.
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Evaluation of long-read sequencing simulators to assess real-world applications for food safety
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Counihan, K.L., Kanrar, S., Tilman, S.M., Gehring, A.G. 2023. Evaluation of long-read sequencing simulators to assess real-world applications for food safety. Foods. 13(1):16. https://doi.org/10.3390/foods13010016.
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Whole genome sequencing and characterization of Escherichia coli human isolate DP033
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Liu, Y., Kanrar, S., Elder, J., Ream, A.R., Huang, L., Gehring, A.G., Uhlich, G.A., Clabots, C., Johnson, J.R. 2023. Whole genome sequencing and characterization of Escherichia coli human isolate DP033. Microbiology Resource Announcements. https://doi.org/10.1128/mra.00792-23.
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Draft genomic sequence for a multidrug resistant Klebsiella pneumoniae 060517CS3-g isolated from retail ground chicken meat
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Yang, Y., Sommers, C.H., Sheen, S., Gehring, A.G., Liu, Y. 2022. Draft genomic sequence for a multidrug resistant Klebsiella pneumoniae 060517CS3-g isolated from retail ground chicken meat. Microbiology Resource Announcements. 12(1). https://doi.org/10.1128/mra.00949-22.
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Studies on simultaneous enrichment and detection of Escherichia coli O157:H7 during sample shipment
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Chen, C., Coronel-Aguilera, C., Applegate, B.M., Gehring, A.G., Bhunia, A.K., Paoli, G. 2022. Studies on simultaneous enrichment and detection of Escherichia coli O157:H7 during sample shipment. Foods. 11(22):3653. https://doi.org/10.3390/foods11223653.
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Complete genome sequences of multidrug-resistant Campylobacter coli strains YH501, YH503, and YH504 from retail chicken
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He, Y., Reed, S.A., Yan, X., Zhang, D., Strobaugh Jr, T.P., Capobianco Jr, J.A., Gehring, A.G. 2022. Complete genome sequences of multidrug-resistant Campylobacter coli strains YH501, YH503, and YH504 from retail chicken. Microbiology Resource Announcements. Available online: https://www.researchgate.net/journal/Microbiology-Resource-Announcements-2576-098X. https://doi.org/10.1128%2Fmra.00237-22.
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Comparative transcriptome analysis reveals differentially expressed genes related to antimicrobial properties of lysostaphin in Staphylococcus aureus
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Yan, X., Xie, Y., Li, C.C., Donovan, D.M., Gehring, A.G., Irwin, P.L., He, Y. 2022. Comparative transcriptome analysis reveals differentially expressed genes related to antimicrobial properties of lysostaphin in Staphylococcus aureus. Applied Microbiology and Biotechnology. 11(2):125. https://doi.org/10.3390/antibiotics11020125.
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Flow-through electrochemical biosensor for the detection of Listeria monocytogenes using oligonucleotides
- (Peer Reviewed Journal)
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Armstrong, C.M., Lee, J., Gehring, A.G., Capobianco Jr, J.A. 2021. Flow-through electrochemical biosensor for the detection of Listeria monocytogenes using oligonucleotides. Sensors. 21(11):3754. https://doi.org/10.3390/s21113754.
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Complete genome sequence of Escherichia coli strain FEX669, a ColV plasmid-containing isolate from retail chicken meat
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Elders, J., Liu, Y., Kanrar, S., Gehring, A.G., Sommers, C.H., Johnston, B.D., Johnson, J.R. 2021. Complete genome sequence of Escherichia coli strain FEX669, a ColV plasmid-containing isolate from retail chicken meat. Microbiology Resource Announcements. 10(8):e01340. https://doi.org/10.1128/MRA.01340-20.
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Bacterial cell recovery after hollow fiber microfiltration sample concentration and washing: most probable bacterial composition in frozen vegetables
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Irwin, P., He, Y., Nguyen, L.T., Gehring, M., Gehring, A.G., Chen, C., Capobianco Jr, J.A. 2020. Bacterial cell recovery after hollow fiber microfiltration sample concentration and washing: Most probable bacterial composition in frozen vegetables. LWT - Food Science and Technology. 140:110. https://doi.org/10.1016/j.lwt.2020.110640.
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Detection of pathogenic bacteria in large volume food samples using an enzyme-linked immunoelectrochemical biosensor
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Capobianco Jr, J.A., Armstrong, C.M., Lee, J., Gehring, A.G. 2020. Detection of pathogenic bacteria in large volume food samples using an enzyme-linked immunoelectrochemical biosensor. Food Control. https://doi.org/10.1016/j.foodcont.2020.107456.
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PRAP: Pan Resistome Analysis Pipeline
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He, Y., Zhou, X., Chen, Z., Gehring, A.G., Shi, X. 2020. PRAP: Pan Resistome Analysis Pipeline. BMC Bioinformatics. (2020) 21:20. https://doi.org/10.1186/s12859-019-3335-y.
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Impacts of clarification techniques on sample constituents and pathogen retention
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Armstrong, C.M., Gehring, A.G., Paoli, G., Chen, C., He, Y., Capobianco Jr, J.A. 2019. Impacts of clarification techniques on sample constituents and pathogen retention. Foods. https://doi.org/10.3390/foods8120636.
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Detection of shiga toxin 2 produced by Escherichia coli in foods using AlphaLISA
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Armstrong, C.M., Ruth, L., Capobianco Jr, J.A., Strobaugh Jr, T.P., Fernando, R., Gehring, A.G. 2018. Detection of shiga toxin 2 produced by Escherichia coli in foods using AlphaLISA. Toxins. 10(11):422. https://doi.org/10.3390/toxins10110422.
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Whole genome sequencing and annotation of Staphylococcus aureus strain SJTUF_J27 isolated from seaweed
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Xie, Y., He, Y., Ghatak, S., Irwin, P.L., Yan, X., Strobaugh Jr, T.P., Gehring, A.G. 2018. Whole genome sequencing and annotation of Staphylococcus aureus strain SJTUF_J27 isolated from seaweed. Data in Brief. 20:894-898. https://doi.org/10.1016/j.dib.2018.08.084.
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Serogroup-level resolution of the “Super-7” Shiga toxin-producing Escherichia coli using nanopore single-molecule DNA sequencing
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Peritz, A., Chen, C., Paoli, G., Gehring, A.G. 2018. Serogroup-level resolution of the “Super-7” Shiga toxin-producing Escherichia coli using nanopore single-molecule DNA sequencing. Analytical and Bioanalytical Chemistry. https://doi.org/10.1007/s00216-018-0877-1.
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Rapid and potentially portable detection and quantification technologies for foodborne pathogens
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Gehring, A.G., Armstrong, C.M., Capobianco Jr, J.A., He, Y., Paoli, G., Fratamico, P.M. 2017. Rapid and potentially portable detection and quantification technologies for foodborne pathogens . United States-Japan Cooperative Program in Natural Resources (UJNR). p.12.
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Genetic basis for the resistance of Staphylococcus aureus to peptidoglycan hydrolase by comparative transcriptome and whole genome sequence analysis
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Advantages of virulotyping foodborne pathogens over traditional identification and characterization methods
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Gurtler, J., Doyle, M.P., Kornacki, J.L., Fratamico, P.M., Gehring, A.G., Paoli, G. 2017. Advantages of virulotyping foodborne pathogens over traditional identification and characterization methods. Foodborne Pathogens Virulence Factors and Host Susceptability. New York, NY: Springer Publishing. p. 3-40.
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Evaluation of ELISA tests specific for Shiga toxin 1 and 2 in food and water samples
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Gehring, A.G., Fratamico, P.M., Lee, J., Ruth, L., He, X., He, Y., Paoli, G., Stanker, L.H., Rubio, F.M. 2017. Evaluation of ELISA tests specific for Shiga toxin 1 and 2 in food and water samples. Food Control. 77:145-149.
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Validation of two new immunoassays for sensative detection of a broad range of shiga toxins
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Kong, Q., Patfield, S.A., Skinner, C.B., Stanker, L.H., Gehring, A.G., Fratamico, P.M., Rubio, F., Qi, W., He, X. 2016. Validation of two new immunoassays for sensative detection of a broad range of shiga toxins. Austin Immunology. 1(2):1007.
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The use of a novel nanoLuc-based reporter phage for the detection of Escherichia coli O157:H7
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Zhang, D., Coronel-Aguilera, C., Romero, P., Perry, L., Minocha, U., Rosenfield, C., Gehring, A.G., Paoli, G., Bhunia, A.K., Applegate, B. 2016. The use of a novel nanoLuc-based reporter phage for the detection of Escherichia coli O157:H7. Scientific Reports. doi: 10.1038/srep33235.
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Study on the mechanism of antibacterial action of magnesium oxide nanoparticles against foodborne pathogens
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He, Y., Ingudam, S., Reed, S.A., Gehring, A.G., Strobaugh Jr, T.P., Irwin, P.L. 2016. Study on the mechanism of antibacterial action of magnesium oxide nanoparticles against foodborne pathogens. Journal of Nanobiotechnology (Biomed Central Open Access). DOI:10.1186/s12951-016-0202-0.
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Accelerating sample preparation through enzyme-assisted microfiltration of Salmonella in chicken extract
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Vibbert, H.B., Ku, S., Li, X., Liu, X., Kreke, T., Deering, A.J., Gehring, A.G., Ximenes, E., Ladisch, M.R. 2015. Accelerating sample preparation through enzyme-assisted microfiltration of Salmonella in chicken extract. Biotechnology Progress. 31(6):1551-1562.
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Microtiter plate-based antibody microarrays for bacteria and toxins
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Gehring, A.G. 2015. Microtiter plate-based antibody microarrays for bacteria and toxins. Meeting Abstract. Meeting Abstract.
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Near-quantitative extraction of genomic DNA from various food-borne eubacteria
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Irwin, P.L., Nguyen, L.T., He, Y., Paoli, G., Gehring, A.G., Chen, C. 2014. Near-quantitative extraction of genomic DNA from various food-borne eubacteria. BMC Microbiology. DOI: 10.1186/s12866-014-0326-z.
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Rapid identification and classification of Campylobacter spp. using laser optical scattering technology
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He, Y., Reed, S.A., Bhunia, A.K., Gehring, A.G., Nguyen, L.T., Irwin, P.L. 2015. Rapid identification and classification of Campylobacter spp. using laser optical scattering technology. Food Microbiology. 47:28-35.
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Immunological biosensing of foodborne pathogenic bacteria using electrochemical and light-addressable potentiometric sensor (LAPS) detection platforms
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Gehring, A.G. 2014. Immunological biosensing of foodborne pathogenic bacteria using electrochemical and light-addressable potentiometric sensor (LAPS) detection platforms. In: Bhunia, M. Kim, & Taitt (eds). High Throughput Screening for Food Safety Assessment, Biosensor Technologies: Hyperspectral Imaging and Practical Applications. 1. 1st Edition. elsevier. p.301-314.
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A high-throughput, precipitating colorimetric sandwich ELISA microarray for shiga toxins
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Gehring, A.G., He, X., Fratamico, P.M., Lee, J., Bagi, L.K., Brewster, J.D., Paoli, G., He, Y., Xie, Y., Skinner, C.B., Barnett, C., Harris, D. 2014. A high-throughput, precipitating colorimetric sandwich ELISA microarray for shiga toxins. Toxins. 6:1855-1872.
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Automated immunomagnetic separation for the detection of Escherichia coli O157:H7 from spinach
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Chen, J., Shi, X., Gehring, A.G., Paoli, G. 2014. Automated immunomagnetic separation of Escherichia coli O157:H7 from spinach. Food Control. 179:33-37.
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Detecting bacteria in food- harder than searching for a needle in a haystack
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Gehring, A.G. 2013. Detecting bacteria in food- harder than searching for a needle in a haystack. New Food. 16(6):24-28.
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Casamino acids and oxyrase enhance growth for Listeria monocytogenes in muulti-pathogen enrichments
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Gehring, A.G., Paoli, G., Reed, S.A., Tu, S., Lindsay, J.A. 2013. Casamino acids and oxyrase enhance growth for Listeria monocytogenes in muulti-pathogen enrichments. Food Control. 40:93-99.
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Powdered hide model for vegetable tanning
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Brown, E.M., Latona, R.J., Taylor, M.M., Gehring, A.G. 2014. Powdered hide model for vegetable tanning. Journal of American Leather Chemists Association. 109:8-13.
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High-throughput antibody microarray for bacteria and toxins
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Optimization and application of a custom microarray for the detection and genotyping of E. coli O157:H7 in fresh meat samples
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Suo, B., He, Y., Irwin, P.L., Gehring, A.G. 2013. Optimization and application of a custom microarray for the detection and genotyping of E. coli O157:H7 in fresh meat samples. Journal of Food Analytical Methods. 6:1477-1484.
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A high-throughput antibody-based microarray typing platform
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Gehring, A.G., Barnett, C., Chu, T., Debroy, C., D'Souza, D., Eaker, S., Fratamico, P.M., Gillespie, B., Hedge, N., Jones, K., Lin, J., Oliver, S., Paoli, G., Perera, A., Uknalis, J. 2013. A high-throughput antibody-based microarray typing platform. Sensors. DOI: 10.3390/s130505737.
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Rapid O serogroup identification of the six clinically relevant Shiga toxin-producing Escherichia coli by antibody microarray
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Hegde, N.V., Praul, C., Gehring, A.G., Fratamico, P.M., Debroy, C. 2013. Rapid O serogroup identification of the six clinically relevant Shiga toxin-producing Escherichia coli by antibody microarray. Journal of Microbiological Methods. 93(3):273-276.
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Comparison of antibodies raised against heat-and gamma radiation-killed bacteria
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Gehring, A.G., Boyd, G., Brewster, J.D., Irwin, P.L., Thayer, D.W., Van Houten, L.J. 2012. Comparison of antibodies raised against heat-and gamma radiation-killed bacteria. Journal of Microbial and Biochemical Technology. DOI 10.4172/1948-5948.S2-004.
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Utilization of pre-enrichment for improved sensitivity of an ELISA-based detection system for Escherichia coli O157:H7
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Escherichia coli O157 and other Shiga toxin producting E. coli: detection by immunomagnetic particle-based assays
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Fratamico, P.M., Gehring, A.G. 2014. Escherichia coli O157 and other Shiga toxin producting E. coli: detection by immunomagnetic particle-based assays. In: Batt, C.A., Tortorello, M.L. (Eds.), Encyclopedia of Food Microbiology. Vol.1. Elsevier Ltd., Academic Press.
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Mixed culture enrichment of Escherichia coli O157:H7, Listeria monocytogenes, Salmonella enterica serovar Typhimurium, and Yersinia enterocolitica
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Gehring, A.G., Albin, D.M., Bhunia, A.K., Kim, H., Reed, S.A., Tu, S. 2012. Mixed culture enrichment of Escherichia coli O157:H7, Listeria monocytogenes, Salmonella enterica serovar Typhimurium, and Yersinia enterocolitica. Food Control. 26:269-273.
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Genotypes and enterotoxin gene profiles of Staphylococcus aureus clinical isolates from China
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Xie, Y., He, Y., Gehring, A.G., Hu, Y., Tu, S., Shi, X. 2011. Genotypes and enterotoxin gene profiles of Staphylococcus aureus clinical isolates from China. PLoS One. DOI: 10.1371/journal.pone.0028276.
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Antimicrobial activity of spherical silver nanoparticles: evidence for induction of a prolonged bacterial lag phase
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High-throughput biosensors for multiplexed foodborne pathogen detection
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Gehring, A.G., Tu, S. 2011. High-throughput biosensors for multiplexed foodborne pathogen detection. Annual Review of Analytical Chemistry. DOI: 10.1146/annurev-anchem-061010-114010.
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Antimicrobial activity of spherical silver nanoparticles prepared using a biocompatible macromolecular capping agent: evidence for induction of a greatly prolonged bacterial lag phase
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Irwin, P.L., Martin, J., Nguyen, L.T., He, Y., Gehring, A.G., Chen, C. 2010. Antimicrobial activity of spherical silver nanoparticles prepared using a biocompatible macromolecular capping agent: evidence for induction of a greatly prolonged bacterial lag phase. Journal of Nanobiotechnology (Biomed Central Open Access). 34:1-12.
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Simultaneous detection of Escherichia coli O157:H7 and Salmonella Typhimurium: The use of magnetic beads conjugated with multiple capture antibodies
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Tu, S., Reed, S.A., Gehring, A.G., He, Y. 2010. Simultaneous detection of Escherichia coli O157:H7 and Salmonella Typhimurium: The use of magnetic beads conjugated with multiple capture antibodies. Journal of Food Analytical Methods. DOI 10.1007/s12161-010-9175-z.
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Evaluation of the MIT RMID 1000 system for the identification of Listeria species:AOAC performance tested method 090325
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Ricardi, J., Haavig, D., Cruz, L., Paoli, G., Gehring, A.G. 2010. Evaluation of the MIT RMID 1000 system for the identification of Listeria species:AOAC performance tested method 090325. Journal of Association of Official Analytical Chemists International. 93(1):249-258.
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Development of an oligonucleotide-based microarray to detect multiple foodborne pathogens
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Suo, B., He, Y., Paoli, G., Gehring, A.G., Tu, S., Shi, X. 2009. Development of an oligonucleotide-based microarray to detect multiple foodborne pathogens. Molecular and Cellular Probes. 24:77-86.
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A microarray approach for simultaneous detection of multiple pathogens in food
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Rapid identification of Listeria spp.: an AOAC performance test of the MIT 1000 rapid microbial identification system
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Development of an oligonucleotide-based microarray to detect multiple foodborne pathogens
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Suo, B., He, Y., Paoli, G., Gehring, A.G., Tu, S. 2009. Development of an oligonucleotide-based microarray to detect multiple foodborne pathogens. Meeting Abstract. 1:100.
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Apparent Thixotropic Properties of Saline/Glycerol Drops with Biotinylated Antibodies on Streptavidin-Coated Glass Slides: Implications for Bacterial Capture on Antibody Microarrays
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Albin, D.M., Gehring, A.G., Reed, S.A., Tu, S. 2009. Apparent Thixotropic Properties of Saline/Glycerol Drops with Biotinylated Antibodies on Streptavidin-Coated Glass Slides: Implications for Bacterial Capture on Antibody Microarrays. Sensors. 9:995-1011.
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Production of Shiga-like toxins by Escherichia coli O157:H7: Effects of other bacteria and analogues of quorum sensing molecules
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Tu, S., Uknalis, J., Paoli, G., He, Y., Gehring, A.G. 2009. Production of Shiga-like toxins by Escherichia coli O157:H7: Effects of other bacteria and analogues of quorum sensing molecules. Journal of Rapid Methods and Automation in Microbiology.17(4):420-437.
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Capture of E. coli O157:H7 using immunomagnetic beads of different size and antibody conjugating chemistry
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Tu, S., Reed, S.A., Gehring, A.G., He, Y., Paoli, G. 2009. Capture of E. coli O157:H7 using immunomagnetic beads of different size and antibody conjugating chemistry. Sensors. 9:717-730.
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Rapid Confirmation of Listeria spp. with the MIT 1000 Microbial Identification System
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Pathogen detection in produce using applications of immunomagnetic beads and biosensors
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Tu, S., Uknalis, J., Gehring, A.G., Irwin, P.L. 2009. Pathogen detection in produce using applications of immunomagnetic beads and biosensors. In: Fan, X., Niemira, B.A.. Microbial Safety of Fresh Produce. Wiley-Blackwell: IFT Press. p. 331-348.
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Applications of Immunomagnetic Capture and Time-Resolved Fluorescence Detection for Salmonella Enteritidis in Liquid Eggs
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Tu, S., Gehring, A.G., Paoli, G. 2008. Applications of Immunomagnetic Capture and Time-Resolved Fluorescence Detection for Salmonella Enteritidis in Liquid Eggs. International Society of Optical Engineering (SPIE).6983:1-5 . Optical Engineering.
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Detection of Salmonella Enteriditis from Egg Components Using Different Immunomagnetic Beads and Time-resolved Fluorescence
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Tu, S., Reed, S.A., Gehring, A.G., He, Y. 2008. Detection of Salmonella Enteriditis from Egg Components Using Different Immunomagnetic Beads and Time-resolved Fluorescence. Journal of Food Analytical Methods. Available:http://www.springerlink.com/content/68381p3740355j10/
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Detection of Salmonella Enteriditis from egg components using different immunomagnetic beads and time–resolved fluorescence
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Tu, S., Reed, S.A., He, Y., Gehring, A.G. 2008. Detection of Salmonella Enteriditis from egg components using different immunomagnetic beads and time–resolved fluorescence. [Abstract]p.2-42.
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An antibody microarray, in multiwell plate format, for multiplex screening of foodborne pathogenic bacteria and biomolecules
- (Peer Reviewed Journal)
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Gehring, A.G., Albin, D.M., Reed, S.A., Tu, S., Brewster, J.D. 2008. An antibody microarray, in multiwell plate format, for multiplex screening of foodborne pathogenic bacteria and biomolecules. Analytical and Bioanalytical Chemistry. 391:497-506.
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DETECTION OF SALMONELLA ENTERITIDIS IN LIQUID EGGS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE
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Tu, S., Gehring, A.G., Paoli, G. 2008. Detection of salmonella enteritidis in liquid eggs by immunomagnetic capture and time-resolved fluorescence. Meeting Abstract.Available: http://spie.org/x648.xml?product_id=786848&show/Abstracts=true&origin_id=x648&event_id=795339&start_at=41
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Application of horse-radish peroxidase linked chemiluminescence to determine the production mechanism of Shiga-like toxins by E. coli O157:H7
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Tu, S., Uknalis, J., Gehring, A.G., He, Y. 2007. Application of horse-radish peroxidase linked chemiluminescence to determine the production mechanism of Shiga-like toxins by E. coli O157:H7. Proceedings of SPIE.#6761
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Application of horse-radish peroxidase linked chemiluminescence to determine the production mechanism of Shiga-like toxins by E. coli O157:H7
- (Proceedings)
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Tu, S., Uknalis, J., Gehring, A.G., He, Y. 2007. Application of horse-radish peroxidase linked chemiluminescence to determine the production mechanism of Shiga-like toxins by E. coli O157:H7. Proceedings of SPIE.6761:67610C-1-67610C-9.
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Multiple Pathogen Detection Using Biosensors: Advancements and Challenges
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Tu, S., Gehring, A.G., Paoli, G. 2007. Multiple Pathogen Detection Using Biosensors: Advancements and Challenges. [Abstract]p.59
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Protein-Based Microarray for the Detection of Pathogenic Bacteria
- (Peer Reviewed Journal)
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Gehring, A.G., Albin, D.M. 2007. Protein-Based Microarray for the Detection of Pathogenic Bacteria. Journal of Rapid Methods and Automation in Microbiology. 15:49-66
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Detection of salmonella in liquid eggs by immunomagnetic capture and time-resolved fluorescence
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Tu, S., Gehring, A.G., Paoli, G. 2007. Detection of salmonella in liquid eggs by immunomagnetic capture and time-resolved fluorescence. Journal of Rapid Methods and Automation in Microbiology. 15:107-119
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ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENCE INCORPORATING ANTI-H7 AND ANTI-0157 ANTIBODIES FOR THE DETECTION OF ESCHERICHIA COLI 0157:H7
- (Peer Reviewed Journal)
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Gehring, A.G., Irwin, P.L., Reed, S.A., Tu, S. 2006. Enzyme-linked immunomagnetic chemiluminescence incorporating anti-h7 and anti-0157 antibodies for the detection of escherichia coli 0157:h7. Journal of Rapid Methods and Automation in Microbiology. 14:349-361.
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DETECTION AND POTENTIAL IDENTIFICATION OF ESCHERICHIA COLI 0157:H7 USING A MICROPARTICLE-BASED CHEMILUMINESCENT IMMUNOASSAY
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Gehring, A.G., Albin, D.M., Irwin, P.L., Tu, S. 2006. Detection and potential identification of escherichia coli 0157:H7 using a microparticle-based chemiluminescent immunoassay. Biosensors p. 101.
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COMPARISON OF ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENT WITH USF DAS BAM METHOD FOR THE DETECTION OF ESCHERICHIA COLI O157:H7
- (Peer Reviewed Journal)
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Gehring, A.G., Albin, D.M., Irwin, P.L., Reed, S.A., Tu, S. 2006. Comparison of enzyme-linked immunomagnetic chemiluminescent with usf das bam method for the detection of escherichia coli o157:h7. Journal of Microbiological Methods. 67:527-533.
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SENSITIVE DETECTION OF ESCHERICHIA COLI 0157:H7 BY THE USE OF IMMUNOMAGNETIC AND FLUORESCENT BEADS
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Tu, S., Cooke, P.H., Paoli, G., Gehring, A.G. 2006. Sensitive detection of escherichia coli 0157:h7 by the use of immunomagnetic and fluorescent beads. Meeting Abstract.
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RAPID OXIDATIVE DEHAIRING WITH MAGNESIUM PEROXIDE AND POTASSIUM PEROXYMONOSULFATE
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Gehring, A.G., Dudley, R.L., Mazenko, C.E., Marmer, W.N. 2006. Rapid oxidative dehairing with magnesium peroxide and potassium peroxymonosulfate. Journal of American Leather Chemists Association. 101(9):324-329.
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DETECTION OF ESCHERICHIA COLI 0157:H7 THROUGH THE FORMATION OF SANDWICHED COMPLEXES WITH IMMUNOMAGNETIC AND FLUORESCENT BEADS
- (Peer Reviewed Journal)
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Tu, S., Golden, M., Cooke, P.H., Luce, L., Paoli, G., Gehring, A.G.2005 Detection of escherichia coli 0157:h7 through the formation of sandwiched complexes with immunomagnetic and fluorescent beads. Journal of Rapid Methods and Automation in Microbiology. 13:269-282
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DETECTION OF ESCHERICHIA COLI 0157:H7 USING IMMUNO BEADS
- (Proceedings)
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Tu, S., Gehring, A.G. 2005. Detection of escherichia coli 0157:h7 using immuno beads. SPIE Proceedings. 5996:1-7.
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BIOSENSOR-BASED PROCESSES FOR DETECTION OF BACTERIA IN THE FOOD PROCESSING ENVIRONMENT
- (Abstract Only)
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Tu, S., Gehring, A.G., Paoli, G. 2005. Biosensor-based processes for detection of bacteria in the food processing environment. International Food Technology Meeting Abstracts. Paper No. 6-4.
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LUMINESCENT METHODS TO DETECT VIABLE AND TOTAL TARGETED ESCHERICHIA COLI 0157:H7 SPIKED IN GROUND BEEF
- (Peer Reviewed Journal)
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Tu, S., Uknalis, J., Yamashoji, S., Gehring, A.G., Irwin, P.L. 2005. Luminescent methods to detect viable and total targeted escherichia coli 0157:h7 spiked in ground beef. Journal of Rapid Methods and Automation in Microbiology. 2005. 13. pp. 57-70.
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DETECTING PATHOGENS IN CATTLE AND MEAT
- (Book / Chapter)
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Fratamico, P.M., Gehring, A.G., Karns, J.S., Van Kessel, J.S. 2005. Detecting pathogens in cattle and meat. Book Chapter. Improving the Safety of Fresh Meat, Woodhead Publishing Ltd., Cambridge, UK pg:25-55
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BIOENERGETIC CONFIRMATION OF VIABLE PATHOGENS IN FOODS BY ATP-BIOLUMINESCENCE
- (Peer Reviewed Journal)
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Tu, S., Gehring, A.G., Irwin, P.L. 2005. Bioenergetic confirmation of viable pathogens in foods by atp-bioluminescence. Luminescence. p. 445-448.
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OPTICAL METHODS FOR DETECTING ESCHERICHIA COLI 0157:H7 SPIKED ON CANTALOUPES
- (Proceedings)
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Tu, S., Uknalis, J., Gehring, A.G. 2004. Optical methods for detecting escherichia coli 0157:h7 spiked on cantaloupes. Proceedings of SPIE. 5587. pp. 183-189.
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TIME-RESOLVED FLUORESCENCE DETECTION OF TOXINS AND PATHOGENIC BACTERIA IN FOODS
- (Peer Reviewed Journal)
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Tu, S., Golden, M., Paoli, G., Gore, M., Gehring, A.G. 2004. Time-resolved fluorescence detection of toxins and pathogenic bacteria in foods. Journal of Rapid Methods and Automation in Microbiology. 12. pp. 247-258.
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DETECTION OF VIABLE BACTERIA CELLS BY BIOLUMINESCENCE: A BIOENERGETIC APPROACH
- (Peer Reviewed Journal)
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Tu, S., Wijey, C., Paoli, G., Gehring, A.G., Irwin, P.L. 2004. Detection of viable bacteria cells by bioluminescence: a bioenergetic approach. Journal of Rapid Methods and Automation in Microbiology. V.12, #3, p. 207-219.
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ENZYME-LINKED IMMUNOMAGNETIC ELECTROCHEMICAL DETECTION OF LIVE ESCHERICHIA COLI 0157:H7 IN APPLE JUICE
- (Peer Reviewed Journal)
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Gehring, A.G., Tu, S. 2005. Enzyme-linked immunomagnetic electrochemical detection of live escherichia coli 0157:h7 in apple juice. Journal of Food Protection. 2005. p.146-149.
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ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENT DETECTION OF ESCHERICHIA COLI 0157:H7
- (Peer Reviewed Journal)
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Gehring, A.G., Irwin, P.L., Reed, S.A., Tu, S., Andreotti, P.E., Akhavan-Tafti, H., Handley, R.S. 2004. Enzyme-linked immunomagnetic chemiluminescent detection of escherichia coli 0157:h7. Journal of Immunological Methods 293. 2004. p. 97-106.
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OPTICAL METHODS FOR DETECTING E. COLI 0157:H7 SPIKED ON CANTALOUPES
- (Abstract Only)
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Tu, S., Uknalis, J., Gehring, A.G. 2004. Optical methods for detecting e. coli 0157:h7 spiked on cantaloupes. International Society for Optical Engineering. Paper No. 6-183.
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TIME-RESOLVED FLUORESCENCE DETECTION OF SHIGA-LIKE TOXINS PRODUCED BY ESCHERICHIA COLI 0157 AND NON-0157 IN GROUND BEEF
- (Abstract Only)
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Tu, S., Golden, M., Paoli, G., Gehring, A.G., Gore, M. 2004. Time-resolved fluorescence detection of shiga-like toxins produced by escherichia coli 0157 and non-0157 in ground beef. Meeting Abstract.
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BLOCKING NON-SPECIFIC ADSORPTION OF NATIVE FOOD-BORNE MICROORGANISMS BY IMMUNO-MAGNETIC BEADS WITH IOTA-CARRAGEENAN
- (Peer Reviewed Journal)
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IRWIN, P.L., GEHRING, A.G., TU, S., CHEN, C. BLOCKING NON-SPECIFIC ADSORPTION OF NATIVE FOOD-BORNE MICROORGANISMS BY IMMUNO-MAGNETIC BEADS WITH IOTA-CARRAGEENAN. CARBOHYDRATE RESEARCH. 2004. V. 339(3) pg. 613-621
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RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLOURESCENCE
- (Abstract Only)
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TU, S., FETT, W.F., GEHRING, A.G., IRWIN, P.L. RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLOURESCENCE. MEETING ABSTRACT. 2003.
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APPLICATIONS OF IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE TO DETECT OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS
- (Proceedings)
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TU, S., FETT, W.F., GEHRING, A.G., IRWIN, P.L. APPLICATIONS OF IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE TO DETECT OUTBREAK ESCHERICHIA COLI 0157 AND SALMONELLA IN ALFALFA SPROUTS. Proceedings of SPIE. 2003. V. 5271.
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KINETIC FACTORS AFFECTING THE BACTERIAL CAPTURE EFFICIENCY OF IMMUNO BEADS: A COMPARISON BETWEEN BEADS WITH DIFFERENT SIZE AND DENSITY
- (Abstract Only)
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TU, S., IRWIN, P.L., GEHRING, A.G. KINETIC FACTORS AFFECTING THE BACTERIAL CAPTURE EFFICIENCY OF IMMUNO BEADS: A COMPARISON BETWEEN BEADS WITH DIFFERENT SIZE AND DENSITY. MEETING ABSTRACT. 2003.
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RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 ADN SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE
- (Peer Reviewed Journal)
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TU, S., GOLDEN, M., FETT, W.F., GEHRING, A.G., IRWIN, P.L. RAPID DETECTION OF OUTBREAK ESCHERICHIA COLI 0157 ADN SALMONELLA IN ALFALFA SPROUTS BY IMMUNOMAGNETIC CAPTURE AND TIME-RESOLVED FLUORESCENCE. JOURNAL OF FOOD SAFETY.
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RAPID OXIDATIVE UNHAIRING WITH ALKALINE HYDROGEN PEROXIDE
- (Peer Reviewed Journal)
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MARMER, W.N., DUDLEY, R.L., GEHRING, A.G. RAPID OXIDATIVE UNHAIRING WITH ALKALINE HYDROGEN PEROXIDE. JOURNAL OF AMERICAN LEATHER CHEMISTS ASSOCIATION. Vol. 98. p. 351-358.
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ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENT DETECTION OF ESCHERICHIA COLI 0157:H7
- (Abstract Only)
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GEHRING, A.G., IRWIN, P.L., REED, S.A., TU, S. ENZYME-LINKED IMMUNOMAGNETIC CHEMILUMINESCENT DETECTION OF ESCHERICHIA COLI 0157:H7. PITTSBURGH CONFERENCE. 2003.
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SIMULTANEOUS DETECTION OF ESCHERICHIA COLI 0157:H7 AND SALMONELLA TYPHIMURIUM IN FOODS USING IMMUNOMAGNETIC CAPTURE AND LANTHANIDE TIME-RESOLVED FLUORESCENCE
- (Abstract Only)
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TU, S., GOLDEN, M., IRWIN, P.L., GEHRING, A.G., FEDER, I.E. SIMULTANEOUS DETECTION OF ESCHERICHIA COLI 0157:H7 AND SALMONELLA TYPHIMURIUM IN FOODS USING IMMUNOMAGNETIC CAPTURE AND LANTHANIDE TIME-RESOLVED FLUORESCENCE. PITTSBURGH CONFERENCE. 2003.
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REVERSED PHASE HIGH PRESSURE LIQUID CHROMATOGRAPHIC SEPARATION OF PORCINE BILE IN SATURATED BRINE MIXTURES
- (Peer Reviewed Journal)
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GEHRING, A.G., BAILEY, D.G., CAVENG, R.F., VREELAND, R.H. A RAPID METHOD FOR THE ESTIMATION OF BILE SALTS IN COMPLEX TANNING BRINES BY RPHPLC. JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES. 2003. VOL. 26, NO. 7, p. 1041-1050.
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IMPROVED HIDE QUALITY AND RAPID UNHAIRING
- (Proceedings)
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Gehring, A.G., Bailey, D.G., Crowther, J.C., Dimaio, G.L., Dudley, R.L., Marmer, W.N. 2003. Improved hide quality and rapid unhairing. Proceedings of the 27th Congress of the International Union of Leather Technologists and Chemists Societies. p. 66-88.
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RAPID OXIDATIVE UNHAIRING WITH ALKALINE CALCIUM PEROXIDE
- (Peer Reviewed Journal)
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GEHRING, A.G., BAILEY, D.G., DIMAIO, G.L., DUDLEY, R.L., MARMER, W.N., MAZENKO, C.E. RAPID OXIDATIVE UNHAIRING WITH ALKALINE CALCIUM PEROXIDE. JOURNAL OF AMERICAN LEATHER CHEMISTS ASSOCIATION. VOL. 98, 2003. p. 216-223.
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EVIDENCE FOR BUOYANCY-DEPENDENT IMB-SALMONELLA COMPLEX LOSSES DURING MAGNETIC PHASE SEPARATION
- (Peer Reviewed Journal)
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IRWIN, P.L., FORTIS, L.L., CHAU, L.I., GEHRING, A.G., TU, S. EVIDENCE FOR BUOYANCY-DEPENDENT IMB-SALMONELLA COMPLEX LOSSES DURING MAGNETIC PHASE SEPARATION. JOURNAL OF RAPID METHODS AND AUTOMATION IN MICROBIOLOGY. 2002.
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