Xu Li

Associate Professor Xu Li, Ph.D.
Contact Information:
N117 SEC
City Campus (Lincoln)
(402) 472-6042
Personal Links:
Personal Website

Associate Professor
Academic Degrees
  • B.E., Environmental Engineering, Tsinghua University (Beijing, China), 2001
  • M.S., Environmental Engineering, Pennsylvania State University, 2003
  • Ph.D., Environmental Engineering, University of Michigan, 2008
Areas of Research and Professional Interest
  • Fate and transport of emerging contaminants (e.g., hormones, antibiotics, and antibiotic resistance genes) in the environment
  • Environmental biotechnology to remove contaminants (e.g., estrogens, perchlorate, and nitrate) from water
  • Microbial transformation of soil organic carbon in heterogeneous landscapes. 
Research Profiles:
Selected Publications
  • Leng, Y., J. Bao, D. Song, J. Li, M. Ye, and X. Li. 2017. Background nutrients affect tetracycline biotransformation by Stenotrophomonas maltophilia as revealed by genomics and proteomics. Environmental Science and Technology, 51: 10476-10484.
  • Du, Z., Y. Chen, and X. Li. 2017. Quantitative proteomic analyses of the microbial degradation of estrone under various background nitrogen and carbon conditions. Water Research, 123: 361-368.
  • Leng, Yifei, Jianguo Bao, Gaofeng Chang, Han Zhang, Xingxing Li, Jiangkun Du, Daniel Snow, and X. Li. 2016. Biotransformation of tetracycline by a novel bacterial strain Stenotrophomonas maltophilia DT1. Journal of Hazardous Materials, 318: 125-133.
  • Zhang, Y. #, Sallach, J.B.#, L. Hodges, D. Snow, S. Bartelt-Hunt, K. Eskridge, and X. Li. 2016. Effects of soil texture and drought stress on the update of antibiotics and the internalization of Salmonella in lettuce following wastewater irrigation. Environmental Pollution, 208: 523-531. (# equal contribution)
  • Du, Z., D. Riveros-Iregui, R. Jones, T. McDermott, J. Dore, B. McGlynn, R. Emanuel, and X. Li.  2015.  Landscape position influences microbial composition and function via redistribution of soil water across a watershed.  Applied and Environmental Microbiology, 81: 8457-8468.
  • Yi, X., S. Bayen, B.C. Kelly, X. Li, and Z. Zhou.  2015.  Improved detection of multiple environmental antibiotics through an optimized sample extraction strategy in liquid chromatography-mass spectrometry analysis.  Analytical and Bioanalytical Chemistry, doi 10.1007/s00216-015-9074-7.
  • Sallach, J., D. Snow, L. Hodges, X. Li, and S. Bartelt-Hunt.  2015.  Development and comparison of four methods for the extraction of antibiotics from a vegetative matrix.  Environmental Toxicology and Chemistry, DOI: 10.1002/etc.3214.
  • Sakulthaew, C., S. Comfort, C. Chokejaroenrat, X. Li, and C. Harris.  2015.  Removing PAHs from urban runoff water by combining ozonation and carbon nano-onions.  Chemosphere, 141: 265-273.
  • Soni, B., S. Bartelt-Hunt, D. Snow, J. Gilley, B. Woodbury, D. Marx, and X. Li.  2015.  Narrow grass hedges reduce tylosin and associated resistance genes in agricultural runoff.  Journal of Environmental Quality, 44: 895-902.
  • Sallach, J.B.#, Zhang, Y.#, D. Snow, L. Hodges, X. Li, and S. Bartelt-Hunt.  2014.  Concomitant uptake of antimicrobials and Salmonella in soil and into lettuce following wastewater irrigationEnvironmental Pollution, 197: 269-277.  (# equal contribution)  
  • Du, Z., R. Nandakumar, K. Nickerson, and X. Li.  2015.  Proteomic adaptations to starvation prepare Escherichia coli for disinfection tolerance.  Water Research, 69: 110-119.
  • Joy, S., X. Li, D. Snow, J. Gilley, B. Woodbury, and S. Bartelt-Hunt.  2014.  Fate of antimicrobials and antimicrobial resistance genes in simulated swine manure storage.  Science of the Total Environment, 481: 69-74.
  • Zhang, Y., R. Nandakumar, S. Bartelt-Hunt, D. Snow, L. Hodges, and X. Li.  2014.  Quantitative proteomic analysis of the Salmonella-lettuce interaction.  Microbial Biotechnology, 7(6): 630-637.
  • Joy, S., S. Bartelt-Hunt, J. Gilley, D. Snow, D. Parker, B. Woodbury, D. Marx, and X. Li.  2013.  Fate and transport of antimicrobials and antimicrobial resistance genes in soil and runoff following land application of swine manure slurry.  Environmental Science and Technology, 47 (21): 12081-12088.
  • Zhang, Y., D. Snow, D. Parker, Z. Zhou, and X. Li.  2013.  Intracellular and extracellular antimicrobial resistance genes in livestock waste management structures.  Environmental Science and Technology, 47(18): 10206-10213.
  • Zhang, Y., C. Zhang, D. Snow, D. Parker, Z. Zhou and X. Li.  2013.  Occurrence of antimicrobials and antimicrobial resistance genes in beef cattle storage ponds and swine treatment lagoons.  Science of the Total Environment, 463-464: 631-638.
  • Li, Z., N. Madayiputhiya, R. Nandakumar, and X. Li. 2012. Proteomic analysis of 17β-estradiol degradation by Stenotrophomonas maltophilia. Environmental Science and Technology, 46: 5947-5955.
  • Li, Z., B. Dvorak, and X. Li. 2012. Removing 17β-estradiol using a biologically active reactor (BAC) reactor modified from a granular activated carbon (GAC) reactor. Water Research, 46: 2828-2836.
  • Li, X., W. Yuen, E. Morgenroth, and L. Raskin. 2012. Backwash intensity and frequency impact the microbial community structure and function in a fixed-bed biofilm reactor. Applied Microbiology and Biotechnology, 96: 815-827.
  • Shimada, T., X. Li, J. Zilles, E. Morgenroth, and L. Raskin. 2011. Effects of the antimicrobial tylosin on the microbial community of an anaerobic sequencing batch reactor. Biotechnology and Bioengineering, 108: 296-305.
  • Li, X., G. Upadhyaya, W. Yuen, J. Brown, E. Morgenroth, and L. Raskin. 2010. Changes in microbial community structure and function of drinking water treatment bioreactors upon phosphorus addition.Applied and Environmental Microbiology, 76: 7473-7481.
  • Li, X., E. Morgenroth, and L. Raskin. 2008. Quantitative rRNA-targeted solution-based hybridization assay using peptide nucleic acid molecular beacon. Applied and Environmental Microbiology, 74: 7297-7305.
  • Choi, Y-C., X. Li, L. Raskin, and E. Morgenroth. 2008. Chemisorption of oxygen onto activated carbon can enhance the stability of biological perchlorate reduction in fixed bed biofilm reactors. Water Research, 42: 3425-3434.
  • Choi, Y-C., X. Li, L. Raskin, and E. Morgenroth. 2007. Effect of backwashing on perchlorate removal in fixed bed biofilm reactors. Water Research, 41: 1949-1959.
  • Li, X. and B. Logan. 2004. Analysis of bacterial adhesion using a gradient force analysis and colloid probe atomic force microscopy. Langmuir, 20: 8817-8822.
  • Velegol, S., S. Pardi, X. Li, D. Velegol, and B. Logan. 2003. AFM imaging artifacts due to bacterial cell height and AFM tip geometry. Langmuir, 19: 851-857.