NABIR ORFRC field projects

Oregon State and University of Oklahoma push-pull experiments
 
The Oregon State and University of Oklahoma field projects conducted push-pull experiments to test whether naturally occurring microorganisms can be stimulated to reduce subsurface uranium and technetium. This research demonstrated that microbes found in the subsurface can transfrom uranium and technetium into chemical forms that are less mobile, and less toxic, in the gound water. Principal investigators were Jack Istok (Oregon State) and Lee Krumholz (Oklahoma).


Fact sheet project description as originally envisioned.

Presentations [top]  

Genes Involved in Microbial Survival in Aquifer Sediments, Lee Krumholz, 2006 PI Meeting


Characterization and Monitoring at the FRC using Integrated Geophysical Data, Susan Hubbard, Kenneth Williams, John Peterson, Andreas Kemna, Jack Istok, Melora Park and David Watson, 2005 FRC Workshop
Poster

Factors Controlling In Situ Uranium and Technetium Bioreduction at the NABIR Field Research Center, Jack Istok, J. Jones, Melora Park, M. Michalsen, L. Krumholz, A. Spain,, 2005 FRC Workshop


Factors controlling in situ uranium and technetium bio-reduction at the NABIR Field Research Center, J. Istok, J. Jones, M. Park, M. Sapp, J. Mckinley, T. Resch, B. Gu, P. Zhou, S. Yan, D. Watson, M. A. Bogle, K. Lowe, J. Senko, L. Krumholz, A. Spain, 2005 FRC Workshop
Poster

Geophysical Characterization and Monitoring at the FRC, Susan Hubbard, Ken Williams, John Peterson, Melora Park, Jack Istok, Andreas Kemna, and David Watson, 2005 FRC Workshop
Breakout
Geochemical/Geophysical Characterization
Natural Humics Impact Uranium Bioreduction and Oxidation, Baohua Gu, Shaina H. Yan, David Watson, Jack Istok, Melora Park, 2005 FRC Workshop
Poster

Thermodynamic Network Model for Predicting Effects of Substrate Addition and Other Peturbations on Subsurface Microbial Communities, Jack Istok, Melora Park, Mandy Sapp, Lee Krumholz, Anne Spain, James McKinley, Chongxuan Liu, Aaron Peacock, D. C. White, 2005 FRC Workshop
Poster

Factors Controlling In Situ Uranium and Technetium Bioreduction at the NABIR Field Research Center, 2004 FRC Workshop, Jack Istok and others, 2004 FRC Workshop


Microbiology/Microbial Ecology, Lee Krumholz, 2004 FRC Workshop


Factors Controlling In Situ Uranium and Technetium Bioreduction at the NABIR Field Research Center, 2004 PI Meeting, Jack Istok and others, 2004 PI Meeting


Summary of Istok Group Breakout Session, September 24, 2003, Lee Krumholz, FRC Workshop 2003, Lee Krumholz, 2003


Oregon State/U Oklahoma Project Activities and Results, FRC Workshop 2003, J. Istok, 2003 FRC Workshop


Oregon State/U Oklahoma Project Activities and Results, FRC 2002 Workshop, J. Istok, 2002 FRC Workshop


Publications [top]  

A catalytic beacon sensor for uranium with parts-per-trillion sensitivity and millionfold selectivity.    
Liu, J.W., A.K. Brown, X.L. Meng, D.M. Cropek, J.D. Istok, D.B. Watson, and Y. Lu    
Proceedings of the National Academy of Sciences of the United States of America 104:7, 2056-2061  
2007    

Uranium and technetium bio-immobilization in intermediate-scale physical models of an in situ bio-barrier.    
Michalsen, M.M., B.A. Goodman, S.D. Kelly, K.M. Kemner, J.P. McKinley, J.W. Stucki, and J.D. Istok    
Environmental Science & Technology 40:22, 7048-7053  
2006    

Effect of oxidation rate and Fe(II) state on microbial nitrate-dependent Fe(III) mineral formation.    
Senko, J.M., T.A. Dewers, and L.R. Krumholz    
Applied and Environmental Microbiology 71:11, 7172-7177  
2005    

Natural humics impact uranium bioreduction and oxidation.    
Gu, B.H., H. Yan, P. Zhou, D. B. Watson, M. Park, and J. Istok    
Environmental Science & Technology 39:14, 5268-5275  
2005    

A cultivation-independent investigation of microbial communities during in situ biostimulation of subsurface sediment co-contaminated with uranium and nitrate.    
North, N.N., S.L. Dollhopf, L. Petrie, J.D. Istok, D.L. Balkwill, and J.E. Kostka    
Applied and Environmental Microbiology 70:8, 4911-4920  
2004    

Change in bacterial community structure during in situ Biostimulation of subsurface sediment cocontaminated with uranium and nitrate.    
North, N.N., S.L. Dollhopf, L. Petrie, J. D. Istok, D. L. Balkwill, and J.E. Kostka    
Applied and Environmental Microbiology 70:8, 4911-4920  
2004    

In situ bioreduction of technetium and uranium in a nitrate-contaminated aquifer.    
Istok, J.D., J.M. Senko, L.R. Krumholz, D. Watson, M.A. Bogle, A. Peacock, Y.J. Chang, D.C. White    
Environmental Science & Technology 38:2, 468-475  
2004    

Utilization of microbial biofilms as monitors of bioremediation.    
Peacock, A.D., Y.J. Chang, J.D. Istok, L. Krumholz, R. Geyer, B. Kinsall, D. Watson, K.L. Sublette, and D.C. White    
Microbial Ecology 47:3, 284-292  
2004    

"Forced mass balance" technique for estimating in situ transformation rates of sorbing solutes in groundwater.    
K. J. Hageman,J. A. Field, J. D. Istok, M. H. Schroth    
Environmental Science & Technology 37:17, 3920-3925  
2003    

In-situ evidence for uranium immobilization and remobilization.    
J. M. Senko,J. D. Istok, J. M. Suflita, L. R. Krumholz    
Environmental Science & Technology 36:7, 1491-1496  
2002