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United States Department of Agriculture

Agricultural Research Service

Related Topics

Ly Huong Nguyen
Molecular Characterization of Foodborne Pathogens Research
Biological Science Lab Technician

Phone: (215) 836-3759
Fax: (215) 233-6581
Room 1116

600 E MERMAID LN
ERRC
WYNDMOOR , PA 190388598

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Influence of tra genes of IncP and F plasmids on the mobilization of small Kanamycin resistance ColE1-Like plasmids in bacterial biofilms -
Chen, C., Nguyen, L.T. 2017. Influence of tra genes of IncP and F plasmids on the mobilization of small Kanamycin resistance ColE1-Like plasmids in bacterial biofilms. American Society for Microbiology Annual Meeting. p.1.
Gene duplication and promoter mutation expand the range csgD-dependent biofilm responses in a STEC population -
Uhlich, G.A., Chen, C., Cottrell, B.J., Andreozzi, E., Irwin, P.L., Nguyen, L.T. 2017. Gene duplication and promoter mutation expand the range csgD-dependent biofilm responses in a STEC population. Microbiology. 163:611-621.
Stx1 prophage excision in Escherichia coli strain PA20 confers strong curli and biofilm formation by restoring native mlrA -
Uhlich, G.A., Chen, C., Cottrell, B.J., Yan, X., Hofmann, C.S., Nguyen, L.T. 2016. Stx1 prophage excision in Escherichia coli strain PA20 confers strong curli and biofilm formation by restoring native mlrA. FEMS Microbiology Letters. doi: 10.1093/femsle/fnw123.
Multiple mechanisms responsible for strong Congo red-binding variants of Escherichia coli O157:H7 strains -
Chen, C., Nguyen, L.T., Cottrell, B.J., Irwin, P.L., Uhlich, G.A. 2015. Multiple mechanisms responsible for strong Congo red-binding variants of Escherichia coli O157:H7 strains. Pathogens and Disease. 74:123.
Mobilization properties of small ColE1-like plasmids carrying kanamycin resistance gene isolated from Salmonella enterica serotypes -
Chen, C., Nguyen, L.T. 2015. Mobilization properties of small ColE1-like plasmids carrying kanamycin resistance gene isolated from Salmonella enterica serotypes. Meeting Abstract. meeting abstract.
Near-quantitative extraction of genomic DNA from various food-borne eubacteria -
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.
Rapid identification and classification of Campylobacter spp. using laser optical scattering technology Reprint Icon -
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.
Variability in DNA polymerase efficiency: effects of random error, DNA extraction method, and isolate type -
Irwin, P.L., Nguyen, L.T., Chen, C., He, Y. 2014. Variability in DNA polymerase efficiency: effects of random error, DNA extraction method, and isolate type. JSM Mathematics & Statistics. 1(1):1003.
Growth media and temperature effects on biofilm formation by serotype O157:H7 and non-O157 Shiga toxin-producing Escherichia coli Reprint Icon -
Uhlich, G.A., Chen, C., Cottrell, B.J., Nguyen, L.T. 2014. Growth media and temperature effects on biofilm formation by serotype O157:H7 and non-O157 Shiga toxin-producing Escherichia coli. FEMS Microbiology Letters. 354:133-141.
Media composition and incubation temperature affect Congo red dye affinity of Shiga toxin-producing Escherichia coli -
Uhlich, G.A., Chen, C., Cottrell, B.J., Nguyen, L.T. 2014. Media composition and incubation temperature affect Congo red dye affinity of Shiga toxin-producing Escherichia coli. Meeting Abstract. MA.
Characterization and distribution of ColE1-like kanamycin-resistance plasmids in Salmonella enterica from food animals -
Chen, C., Strobaugh Jr, T.P., Nguyen, L.T., Abley, M., Lindsey, R.L., Cray, P.J. 2014. Characterization and distribution of ColE1-like kanamycin-resistance plasmids in Salmonella enterica from food animals. Meeting Abstract.
Phenotypic and genotypic characterization of biofilm forming capability in non-O157 Shiga toxin-producing Escherichia coli strains -
Chen, C., Hofmann, C.S., Cottrell, B.J., Strobaugh Jr, T.P., Paoli, G., Nguyen, L.T., Yan, X., Uhlich, G.A. 2013. Phenotypic and genotypic characterization of biofilm forming capability in non-O157 Shiga toxin-producing Escherichia coli strains. PLoS One. 8(12):e84863.
Phage insertion in mlrA and variations in rpoS limit curli expression and biofilm formation in Escherichia coli serotype O157:H7 -
Uhlich, G.A., Chen, C., Cottrell, B.J., Hofmann, C.S., Dudley, E., Strobaugh Jr, T.P., Nguyen, L.T. 2013. Phage insertion in mlrA and variations in rpoS limit curli expression and biofilm formation in Escherichia coli serotype O157:H7. Microbiology. 159:1586-1596.
Mutations in the rpoS gene are the major limiting factor for biofilm formation in Escherichia coli serotype O157:H7 clinical isolates -
Chen, C., Uhlich, G.A., Strobaugh Jr, T.P., Cottrell, B.J., Dudley, E.G., Hofmann, C.S., Nguyen, L.T. 2013. Mutations in the rpoS gene are the major limiting factor for biofilm formation in Escherichia coli serotype O157:H7 clinical isolates. Meeting Abstract. MA.
Non-stochastic sampling error in quantal analyses for Campylobacter species on poultry products Reprint Icon -
Irwin, P.L., Reed, S.A., Brewster, J.D., Nguyen, L.T., He, Y. 2013. Non-stochastic sampling error in quantal analyses for Campylobacter species on poultry products. Analytical and Bioanalytical Chemistry. 405(7):2353-2369.
A method for correcting standard-based real-time PCR DNA quantitation when the standard's polymerase reaction efficiency is significantly different from that of the unknown's -
Irwin, P.L., Nguyen, L.T., Chen, C., Uhlich, G.A., Paoli, G. 2012. A method for correcting standard-based real-time PCR DNA quantitation when the standard's polymerase reaction efficiency is significantly different from that of the unknown's. Analytical and Bioanalytical Chemistry. 402:2713-2725.
Antimicrobial activity of spherical silver nanoparticles: evidence for induction of a prolonged bacterial lag phase -
Antimicrobial activity of spherical silver nanoparticles prepared using a biocompatible macromolecular capping agent: evidence for induction of a greatly prolonged bacterial lag phase -
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.
A POPULATION STUDY OF E. COLI DOUBLING TIMES: EVIDENCE OF AN ANOMALOUS BIMODAL DISTRIBUTION BELOW A THRESHOLD CELL CONCENTRATION -
Irwin, P.L., Paoli, G., Chen, C., Nguyen, L.T. 2010. A POPULATION STUDY OF E. COLI DOUBLING TIMES: EVIDENCE OF AN ANOMALOUS BIMODAL DISTRIBUTION BELOW A THRESHOLD CELL CONCENTRATION. BMC Microbiology. 10:207.
The relationship between purely stochastic sampling error and the number of technical replicates used to estimate concentration at an extreme dilution -
Irwin, P.L., Nguyen, L.T., Chen, C. 2010. The relationship between purely stochastic sampling error and the number of technical replicates used to estimate concentration at an extreme dilution. Analytical and Bioanalytical Chemistry. DOI:10.1007/s00216-010-3967-2
Binding of non-target microorganisms from food washes to anti-Salmonella and anti-E. coli O157 immuno-magnetic beads: minimizing the errors of random sampling in extreme dilute systems -
Irwin, P.L., Nguyen, L.T., Chen, C. 2008. Binding of non-target microorganisms from food washes to anti-Salmonella and anti-E. coli O157 immuno-magnetic beads: minimizing the errors of random sampling in extreme dilute systems. Analytical and Bioanalytical Chemistry. 391:515-524.
Last Modified: 10/19/2017
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