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N. Qafoku · SciRah

Researcher profile · Semantic Scholar

N. Qafoku

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N. Qafoku — researcher profile on SciRah

h-index: 40
Works: 210
Citations: 5,546

Most-cited papers

Natural, incidental, and engineered nanomaterials and their impacts on the Earth system
Michael F. Hochella, D. Mogk, J. Ranville, I. Allen +11 more
2019Science658 citations Open access
Semantic Scholar
Developing a molecular picture of soil organic matter–mineral interactions by quantifying organo–mineral binding
C. Newcomb, N. Qafoku, J. Grate, V. Bailey +1 more
2017Nature Communications253 citations Open access
Semantic Scholar
Iodine immobilization by materials through sorption and redox-driven processes: A literature review.
R. Moore, C. Pearce, Joseph W. Morad, Sayandev Chatterjee +11 more
2019Science of the Total Environment106 citations Open access
Semantic Scholar
Silver-functionalized silica aerogels and their application in the removal of iodine from aqueous environments.
R. Asmussen, J. Matyáš, N. Qafoku, A. Kruger
2019Journal of Hazardous Materials89 citations Open access
Semantic Scholar
Modeling the impact of carbon dioxide leakage into an unconfined, oxidizing carbonate aquifer
D. Bacon, N. Qafoku, Z. Dai, E. Keating +1 more
201682 citations Open access
Semantic Scholar
Adsorption Properties of Subtropical and Tropical Variable Charge Soils: Implications from Climate Change and Biochar Amendment
Ren-Kou Xu, N. Qafoku, E. Van Ranst, Jiu-Yu Li +1 more
201682 citations
Semantic Scholar
Removal of TcO4– from Representative Nuclear Waste Streams with Layered Potassium Metal Sulfide Materials
J. Neeway, R. Asmussen, Amanda R. Lawter, M. Bowden +5 more
201679 citations Open access
Semantic Scholar
A review of the behavior of radioiodine in the subsurface at two DOE sites.
J. Neeway, D. Kaplan, C. Bagwell, M. Rockhold +3 more
2019Science of the Total Environment54 citations Open access
Semantic Scholar
Technetium immobilization by materials through sorption and redox-driven processes: A literature review.
C. Pearce, R. Moore, Joseph W. Morad, R. Asmussen +11 more
2019Science of the Total Environment54 citations Open access
Semantic Scholar
Technetium Stabilization in Low-Solubility Sulfide Phases: A Review
C. Pearce, J. Icenhower, R. Asmussen, Paul G Tratnyek +3 more
201852 citations
Semantic Scholar
Strong mineralogic control of soil organic matter composition in response to nutrient addition across diverse grassland sites.
Qian Zhao, Stephen J. Callister, Allison M. Thompson, R. Kukkadapu +8 more
2020Science of the Total Environment47 citations Open access
Semantic Scholar
Time-Dependent Iodate and Iodide Adsorption to Fe Oxides
Guohui Wang, N. Qafoku, J. Szecsody, C. Strickland +2 more
2019ACS Earth and Space Chemistry43 citations
Semantic Scholar
A Review of Bismuth(III)-Based Materials for Remediation of Contaminated Sites
T. Levitskaia, N. Qafoku, M. Bowden, R. Asmussen +3 more
2022ACS Earth and Space Chemistry41 citations
Semantic Scholar
Evaluating impacts of CO2 intrusion into an unconsolidated aquifer: I. Experimental data
A. Lawter, N. Qafoku, Guohui Wang, Hong-Bo Shao +1 more
201640 citations Open access
Semantic Scholar
Incorporation Modes of Iodate in Calcite.
S. Kerisit, Frances N. Smith, S. Saslow, Megan E Hoover +2 more
2018Environmental Science and Technology39 citations
Semantic Scholar
Protein-Mineral Interactions: Molecular Dynamics Simulations Capture Importance of Variations in Mineral Surface Composition and Structure.
A. Andersen, P. Reardon, S. Chacon, N. Qafoku +2 more
2016Langmuir39 citations Open access
Semantic Scholar
Getters for improved technetium containment in cementitious waste forms.
R. Asmussen, C. Pearce, B. Miller, A. Lawter +7 more
2018Journal of Hazardous Materials31 citations Open access
Semantic Scholar
Decarbonization of Agriculture: The Greenhouse Gas Impacts and Economics of Existing and Emerging Climate-Smart Practices
Kamila Kazimierczuk, Sarah E. Barrows, Mariefel V. Olarte, N. Qafoku
2023ACS Engineering Au30 citations Open access
Semantic Scholar
Evaluating impacts of CO 2 intrusion into an unconsolidated aquifer: II. Modeling results
Liang Zheng, N. Qafoku, A. Lawter, Guohui Wang +2 more
201628 citations Open access
Semantic Scholar
Synergetic Effects of Soil Organic Matter Components During Interactions with Minerals.
O. Qafoku, A. Andersen, Qian Zhao, S. Mergelsberg +5 more
2024Environmental Science and Technology25 citations Open access
Semantic Scholar
Phyllosilicate mineral dissolution upon alkaline treatment under aerobic and anaerobic conditions
S. D. Di Pietro, H. Emerson, Y. Katsenovich, N. Qafoku +1 more
202023 citations Open access
Semantic Scholar
Impact of iron and manganese nano-metal-oxides on contaminant interaction and fortification potential in agricultural systems – a review
E. Gillispie, Stephen E Taylor, N. Qafoku, M. Hochella
2019Environmental Chemistry23 citations
Semantic Scholar
Technetium and iodine aqueous species immobilization and transformations in the presence of strong reductants and calcite-forming solutions: Remedial action implications.
A. Lawter, W. Garcia, R. Kukkadapu, O. Qafoku +3 more
2018Science of the Total Environment23 citations Open access
Semantic Scholar
The function of Sn(II)-apatite as a Tc immobilizing agent
R. Asmussen, J. Neeway, Amanda R. Lawter, Tatiana G. Levitskaia +2 more
201622 citations Open access
Semantic Scholar
Geochemical Impacts of Leaking CO 2 from Subsurface Storage Reservoirs to an Unconfined Oxidizing Carbonate Aquifer
Guohui Wang, N. Qafoku, A. Lawter, M. Bowden +3 more
201622 citations Open access
Semantic Scholar
Direct Visualization of Aggregate Morphology and Dynamics in a Model Soil Organic–Mineral System
Ryan Hufschmid, C. Newcomb, J. Grate, J. De Yoreo +2 more
201720 citations
Semantic Scholar
Conceptual Model of Iodine Behavior in the Subsurface at the Hanford Site
M. Truex, Brady D. Lee, Christian D. Johnson, N. Qafoku +2 more
201720 citations Open access
Semantic Scholar
Selective Interactions of Soil Organic Matter Compounds with Calcite and the Role of Aqueous Ca
O. Qafoku, A. Andersen, William R. Kew, R. Kukkadapu +9 more
2022ACS Earth and Space Chemistry18 citations
Semantic Scholar
Efficacy of acetate-amended biostimulation for uranium sequestration: Combined analysis of sediment/groundwater geochemistry and bacterial community structure
Jie Xu, H. Veeramani, N. Qafoku, Gargi Singh +5 more
201718 citations Open access
Semantic Scholar
Current Understanding of the Use of Alkaline Extractions of Soils to Investigate Soil Organic Matter and Environmental Processes
T. Ohno, N. Hess, N. Qafoku
2019Journal of Environmental Quality17 citations Open access
Semantic Scholar
Element mobilization and immobilization from carbonate rocks between CO2 storage reservoirs and the overlying aquifers during a potential CO2 leakage.
A. Lawter, N. Qafoku, R. Asmussen, R. Kukkadapu +3 more
2018Chemosphere17 citations Open access
Semantic Scholar
Mineral assemblage transformation of a metakaolin-based waste form after geopolymer encapsulation
B. D. Williams, J. Neeway, Michelle M. V. Snyder, M. Bowden +5 more
201617 citations Open access
Semantic Scholar
Chromate Effect on Iodate Incorporation into Calcite
S. Saslow, S. Kerisit, T. Varga, Kayla C. Johnson +3 more
2019ACS Earth and Space Chemistry16 citations
Semantic Scholar
Contaminant Attenuation and Transport Characterization of 200-UP-1 Operable Unit Sediment Samples
Brady D. Lee, J. Szecsody, N. Qafoku, Erin M. McElroy +13 more
201715 citations Open access
Semantic Scholar
The iodine-129 paradox in nuclear waste management strategies
H. Wainwright, Kate Whiteaker, H. Gonzalez-Raymat, M. Denham +6 more
2025Nature Sustainability13 citations Open access
Semantic Scholar
Chemical composition, coordination, and stability of Ca- organic associations in presence of dissolving calcite.
O. Qafoku, A. Battu, T. Varga, Matthew Marcus +7 more
2023Environmental Science: Nano13 citations Open access
Semantic Scholar
Simultaneous immobilization of aqueous co-contaminants using a bismuth layered material.
A. Lawter, T. Levitskaia, O. Qafoku, M. Bowden +2 more
2021Journal of Environmental Radioactivity12 citations Open access
Semantic Scholar
In situ precipitation of hydrous ferric oxide (HFO) for remediation of subsurface iodine contamination.
Guohui Wang, J. Szecsody, Nancy M. Avalos, N. Qafoku +1 more
2020Journal of Contaminant Hydrology12 citations Open access
Semantic Scholar
Risk of Geologic Sequestration of CO2 to Groundwater Aquifers: Current Knowledge and Remaining Questions☆
A. Lawter, N. Qafoku, R. Asmussen, D. Bacon +2 more
201712 citations Open access
Semantic Scholar
Evidence of technetium and iodine release from a sodalite-bearing ceramic waste form
J. Neeway, N. Qafoku, B. D. Williams, Michelle M. V. Snyder +2 more
201612 citations Open access
Semantic Scholar
Getter Incorporation into Cast Stone and Solid State Characterizations
R. Asmussen, A. Lawter, John R. Stephenson, M. Bowden +9 more
201612 citations Open access
Semantic Scholar
Role of Manganese Oxides in Controlling Subsurface Metals and Radionuclides Mobility: A Review
Ilana B. Szlamkowicz, J. Stanberry, Kathleen Lugo, Zachary Murphy +4 more
2022ACS Earth and Space Chemistry11 citations
Semantic Scholar
Spectral induced polarization monitoring of induced calcite precipitation in subsurface sediments
Edmundo Placencia-Gόmez, J. Robinson, L. Slater, N. Qafoku
2022Geophysical Journal International10 citations
Semantic Scholar
Charge fingerprint in relation to mineralogical composition of Quaternary volcanic ash along a climatic gradient on Java Island, Indonesia
S. Utami, F. Mees, M. Dumon, N. Qafoku +1 more
2019CATENA10 citations
Semantic Scholar
Characterizing Technetium in Subsurface Sediments for Contaminant Remediation
C. Pearce, R. Serne, S. Saslow, W. Um +13 more
2018ACS Earth and Space Chemistry10 citations Open access
Semantic Scholar
Conceptual Model of Subsurface Processes for Iodine at the Hanford Site
N. Qafoku, C. Bagwell, A. Lawter, M. Truex +6 more
201810 citations Open access
Semantic Scholar
Effect of Co-Contaminants Uranium and Nitrate on Iodine Remediation
J. Szecsody, Brady D. Lee, A. Lawter, N. Qafoku +4 more
201710 citations Open access
Semantic Scholar
Author Correction: Developing a molecular picture of soil organic matter–mineral interactions by quantifying organo–mineral binding
C. Newcomb, N. Qafoku, J. Grate, V. Bailey +1 more
2017Nature Communications10 citations Open access
Semantic Scholar
Persistence of chromate in vadose zone and aquifer sediments in Hanford, Washington.
J. Szecsody, M. Truex, N. Qafoku, J. Mckinley +2 more
2019Science of the Total Environment9 citations Open access
Semantic Scholar
Microbial Methylation of Iodide in Unconfined Aquifer Sediments at the Hanford Site, USA
C. Bagwell, L. Zhong, Jacqueline R. Wells, A. Mitroshkov +1 more
2019Frontiers in Microbiology8 citations Open access
Semantic Scholar

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