Kaoru Ikuma


Associate Professor
Cerwick Faculty Fellow


328 Town Engr
813 Bissell Rd
Ames, IA 50011-1066




  • Ph.D. Civil and Environmental Engineering, Duke University, 2011
  • M.S. Environmental Sciences and Engineering, Virginia Polytechnic Institute and State University, 2007
  • B.S. Biochemistry, Virginia Polytechnic Institute and State University, 2005
  • B.S. Biology, Virginia Polytechnic Institute and State University, 2005

Interest Areas

  • Environmental microbiology and biotechnology
  • Biodegradation of hazardous contaminants
  • Sustainable water and wastewater treatment
  • Water security
  • Environmental justice


  1. Brown P.*, Ikuma K., Ong S. K. Biological phosphorus removal and its microbial community in a modified full-scale activated sludge system under dry and wet weather dynamics. Water Research 2022, 216: 118338. [doi.org/10.1016/j.watres.2022.118338]
  2. Spellman C. D., Daer S.*, Ikuma K., Silverman I., Goodwill J. E. Sulfite-activated ferrate for water reuse applications. Water Research 2022, 216: 118317. [doi:10.1016/j.waterres.2022.118317]
  3. Daer S.*, Rehmann E., Rehmann J., Ikuma K. Development of resistance in Escherichia coli against repeated disinfection: Implications for water reuse. Frontiers in Environmental Science 2022, 14 March 2022. [doi:10.3389/fenvs.2022.855224]
  4. Pinto-Vilar R.*, Ikuma K. Effects of soil surface chemistry in adsorption and activity of urease in a crude protein extract and its implications to biocementation applications. Catalysts 2022, 12(2): 230. [doi:10.3390/catal12020230]
  5. Pinto-Vilar R.*, Ikuma K. Adsorption of urease as part of a complex protein mixture onto soil and its implications to enzymatic activity. Biochemical Engineering Journal 2021, 171: 108026. [10.1016/j.bej.2021.108026]
  6. Daer S.*, Goodwill J. E., Ikuma K. Effect of ferrate and hypochlorite disinfection on the physiological and transcriptomic response of Escherichia coli. Water Research 2021, 189: 116580. [doi:10.1016/j.waterres.2020.116580]
  7. Kralles Z. T., Ikuma K., Dai N. Assessing disinfection byproduct risks for algal impacted surface waters and the effects of peracetic acid pre-oxidation. Environmental Science: Water Research & Technology 2020, 6: 2365. [doi:10.1039/d0ew00237b]
  8. Lee J., Choi J., Fatka M., Swanner E., Ikuma K., Liang X.*, Leung T., Howe A. Improved detection of mcyA genes and their phylogenetic origins in harmful algal blooms. Water Research 2020, 176: 115730. [doi:10.1016/j.waterres.2020.115730]
  9. Tan Y., Park , Ikuma K., Evans E. A., Flamming J. J., Ellis T. G. Feasibility test of autotrophic denitrification of industrial wastewater in sequencing batch and static granular bed reactors. Water Environment Research 2020, 92: 749-758. [doi:10.1002/wer.1271]
  10. Ikuma K. and Rehmann C.R. Importance of extracellular DNA in the fate and transport of antibiotic resistance genes downstream of a wastewater treatment plant. Environmental Engineering Science 2020, 37 (2): 164-168. [doi:10.1089/ees.2019.0319]

See my Google Scholar profile for a full list of publications.