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2018 

  • McKay, G.; Korak, J. A.; Rosario-Ortiz, F. L. Temperature dependence of the fluorescence of dissolved organic matter: Implications for DOM photophysics. Environmental Science and Technology2018, 52, 9022-9032. https://doi.org/10.1021/acs.est.8b00643
  • Korak, J.A.; Huggins, R.; Arias-Paic, M.; Nanofiltration to improve process efficiency of hexavalent chromium treatment using ion exchange. Journal-American Water Works Association2018, 110 (6), E13-E26. https://doi.org/10.1002/awwa.1051
  • Kennedy, A.M.; Korak, J.A.; Flint, L.; Hoffman, C.; Arias-Paic, M. Pilot-scale studies of chromium removal using stannous chloride. Journal-American Water Works Association2018,110 (4), E29-E42. https://doi.org/10.1002/awwa.1048
  • McKay, G.M.; Korak, J.A.; Erickson, P.R.; Latch, D.E.; McNeill, K.; Rosario-Ortiz, F.L. The case against charge transfer interactions in dissolved organic matter photophysics. Environmental Science and Technology2018, 52, 406-414. https://doi.org/10.1021/acs.est.7b03589
  • McKay, G.M.; Korak, J.A.; Erickson, P.R.; Latch, D.E.; McNeill, K.; Rosario-Ortiz, F.L. Response to comment on the case against charge transfer interactions in dissolved organic matter photophysics. Environmental Science and Technology2018, 52 (9) 5514-5516. https://doi.org/10.1021/acs.est.8b01807 (Correspondence, not peer-reviewed)
  • Ling, A.; Korak, J.A.; Schliep, A. Lead and Copper Corrosion in Distribution Systems: Current Understanding and Outlook. Breeze Minnesota Section of the AWWA, 2018, 22–24. (Viewpoint, not peer-reviewed)

2017

  • Korak, J.A.; Huggins, R; Arias-Paic, M. Regeneration of pilot-scale ion exchange columns for hexavalent chromium removal. Water Research2017, 118, 141-151. https://doi.org/10.1016/j.watres.2017.03.018
  • Cawley, K.; Hohner, A.; Podgorski, D.; Cooper, W.; Korak, J.A.; Rosario-Ortiz, F. Molecular and spectroscopic characterization of water extractable organic matter from thermally altered soils reveal insight into disinfection byproduct precursors. Environmental Science and Technology2017, 51 (2), 771-779. https://doi.org/10.1021/acs.est.6b05126
  • Rosario-Ortiz, F.L.; Korak, J.A.; Oversimplification of Dissolved Organic Matter Fluorescence Analysis: Potential Pitfalls of Current Methods. Environmental Science and Technology2017, 51 (2), 759-761. https://doi.org/10.1021/acs.est.6b06133 (Viewpoint Article, not peer-reviewed)

2015

  • Korak, J.A.; Rosario-Ortiz, F.L.; Summers, R.S. Evaluation of optical surrogates for the characterization of DOM removal by coagulation. Environmental Science: Water Research & Technology2015, 1 493-506. https://doi.org/10.1039/C5EW00024F
  • Korak, J. A.; Wert, E. C.; Rosario-Ortiz, F. L. Fluorescence spectroscopy as a surrogate for the release of intracellular organic matter upon oxidation of cyanobacteria cells. Journal-American Water Works Association2015, 107 (1), E523-E542. https://doi.org/10.5942/jawwa.2015.107.0142
  • Korak, J.A.; Wert, E.C.; Rosario-Ortiz, F.L. Evaluating fluorescence spectroscopy as a tool to characterize cyanobacteria intracellular organic matter upon simulated release and oxidation in natural water. Water Research2015, 68 432-443. https://doi.org/10.1016/j.watres.2014.09.046
  • Cawley, K.M.; Korak, J.A.; Rosario-Ortiz, F.L. Quantum yields for the formation of reactive intermediates from dissolved organic matter samples from the Suwannee River. Environmental Engineering Science2015. 32 31-37. https://doi.org/10.1089/ees.2014.0280
  • Lester, Y.; Thurman, E.M.; Ferrer, I.; Sitterley, K.; Korak, J.A.; Aiken, G.; Linden, K.; Characterization of fracturing flowback water in Colorado: Implications for water treatment. Science of the Total Environment, 512-513, 2015, 637-644. https://doi.org/10.1016/j.scitotenv.2015.01.043

2014

  • Wert, E.C.; Korak, J.A.; Trenholm, R.A.; Rosario-Ortiz, F.L. Effect of oxidant exposure on the release of intracellular microcystin, MIB, geosmin from three cyanobacteria. Water Research2014, 52, 251-259. https://doi.org/10.1016/j.watres.2013.11.001
  • Korak, J.A.; Dotson, A.D.; Summers, R.S.; Rosario-Ortiz, F.L. Critical analysis of commonly used fluorescence metrics to characterize dissolved organic matter. Water Research2014, 49, 327–338. https://doi.org/10.1016/j.watres.2013.11.025
  • Korak, J.A.; Rosario-Ortiz, F.L.; Summers, R.S. Fluorescence characterization of humic substance coagulation: Application of new tools to an old process. In Advances in the Physicochemical Characterization of Organic Matter; Rosario-Ortiz, F.L., Ed; ACS Symposium Series 1160; American Chemical Society: Washington DC, 2014; pp 281-300. https://doi.org/10.1021/bk-2014-1160.ch014
  • Mostafa, S.; Korak, J.A.; Shimabuku, K; Glover, C.M.; Rosario-Ortiz, F.L. Relation between optical properties and formation of reactive intermediates from different size fractions of organic matter. In Advances in the Physicochemical Characterization of Organic Matter; Rosario-Ortiz, F.L., Ed; ACS Symposium Series 1160; American Chemical Society: Washington DC, 2014; pp 159-179. https://doi.org/10.1021/bk-2014-1160.ch008

2013

  • Beggs, K. M. H.; Bilica, J. A.; Korak, J.A.; Rosario-Ortiz, F. L.; McKnight, D. M.; Summers, R. S. Spectral evaluation of watershed dissolved organic matter and DBP precursors. Journal-American Water Works Association2013, 105 (4) E173-188.