Solid-Phase Fe Speciation along the Vertical Redox Gradients in Floodplains using XAS and Mössbauer Spectroscopies von Chen, Chunmei, Kukkadapu, Ravi K, Lazareva, Olesya, Sparks, Donald L

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Catalytic N2O decomposition and reduction by NH3 over Fe/Beta and Fe/SSZ-13 catalysts von Wang, Aiyong, Wang, Yilin, Walter, Eric D., Kukkadapu, Ravi K., Guo, Yanglong, Lu, Guanzhong, Weber, Robert S., Wang, Yong, Peden, Charles H.F., Gao, Feng

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Iron Loading Effects in Fe/SSZ-13 NH3‑SCR Catalysts: Nature of the Fe Ions and Structure–Function Relationships von Gao, Feng, Zheng, Yang, Kukkadapu, Ravi K, Wang, Yilin, Walter, Eric D, Schwenzer, Birgit, Szanyi, János, Peden, Charles H. F

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Fe/SSZ-13 as an NH3-SCR catalyst: A reaction kinetics and FTIR/Mössbauer spectroscopic study von Gao, Feng, Kollár, Márton, Kukkadapu, Ravi K., Washton, Nancy M., Wang, Yilin, Szanyi, János, Peden, Charles H.F.

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Interactive effects of salinity, redox, and colloids on greenhouse gas production and carbon mobility in coastal wetland soils von Ward, Nicholas D, Bowe, Madison, Muller, Katherine A, Chen, Xingyuan, Zhao, Qian, Chu, Rosalie, Cheng, Zezhen, Wietsma, Thomas W, Kukkadapu, Ravi K

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Reductive Sequestration of Pertechnetate (99TcO4 –) by Nano Zerovalent Iron (nZVI) Transformed by Abiotic Sulfide von Fan, Dimin, Anitori, Roberto P, Tebo, Bradley M, Tratnyek, Paul G, Lezama Pacheco, Juan S, Kukkadapu, Ravi K, Engelhard, Mark H, Bowden, Mark E, Kovarik, Libor, Arey, Bruce W

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Strong mineralogic control of soil organic matter composition in response to nutrient addition across diverse grassland sites von Zhao, Qian, Callister, Stephen J., Thompson, Allison M., Kukkadapu, Ravi K., Tfaily, Malak M., Bramer, Lisa M., Qafoku, Nikolla P., Bell, Sheryl L., Hobbie, Sarah E., Seabloom, Eric W., Borer, Elizabeth T., Hofmockel, Kirsten S.

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Phosphate Imposed Limitations on Biological Reduction and Alteration of Ferrihydrite von Borch, Thomas, Masue, Yoko, Kukkadapu, Ravi K, Fendorf, Scott

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Redox-Active Metal-Organic Composites for Highly Selective Oxygen Separation Applications von Zhang, Wen, Banerjee, Debasis, Liu, Jian, Schaef, Herbert T., Crum, Jarrod V., Fernandez, Carlos A., Kukkadapu, Ravi K., Nie, Zimin, Nune, Satish K., Motkuri, Radha K., Chapman, Karena W., Engelhard, Mark H., Hayes, James C., Silvers, Kurt L., Krishna, Rajamani, McGrail, B. Peter, Liu, Jun, Thallapally, Praveen K.

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Effects of redox cycling of iron in nontronite on reduction of technetium von Yang, Junjie, Kukkadapu, Ravi K., Dong, Hailiang, Shelobolina, Evgenya S., Zhang, Jing, Kim, Jinwook

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Anaerobic redox cycling of iron by freshwater sediment microorganisms von Weber, Karrie A., Urrutia, Matilde M., Churchill, Perry F., Kukkadapu, Ravi K., Roden, Eric E.

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Secondary mineralization pathways induced by dissimilatory iron reduction of ferrihydrite under advective flow von Hansel, Colleen M, Benner, Shawn G, Neiss, Jim, Dohnalkova, Alice, Kukkadapu, Ravi K, Fendorf, Scott

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Fe(II) sorption on pyrophyllite: Effect of structural Fe(III) (impurity) in pyrophyllite on nature of layered double hydroxide (LDH) secondary mineral formation von Starcher, Autumn N., Li, Wei, Kukkadapu, Ravi K., Elzinga, Evert J., Sparks, Donald L.

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Synthesis of Colloidal Mn2+:ZnO Quantum Dots and High-TC Ferromagnetic Nanocrystalline Thin Films von NORBERG, Nick S., KITTILSTVED, Kevin R., AMONETTE, James E., KUKKADAPU, Ravi K., SCHWARTZ, Dana A., GAMELIN, Daniel R.

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Biotic and Abiotic Pathways of Phosphorus Cycling in Minerals and Sediments: Insights from Oxygen Isotope Ratios in Phosphate von Jaisi, Deb P, Kukkadapu, Ravi K, Stout, Lisa M, Varga, Tamas, Blake, Ruth E

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U(v) in metal uranates: a combined experimental and theoretical study of MgUO4, CrUO4, and FeUO4 von Guo, Xiaofeng, Tiferet, Eitan, Qi, Liang, Solomon, Jonathan M, Lanzirotti, Antonio, Newville, Matthew, Engelhard, Mark H, Kukkadapu, Ravi K, Wu, Di, Ilton, Eugene S, Asta, Mark, Sutton, Stephen R, Xu, Hongwu, Navrotsky, Alexandra

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Long-term dynamics of uranium reduction/reoxidation under low sulfate conditions von Komlos, John, Peacock, Aaron, Kukkadapu, Ravi K., Jaffé, Peter R.

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Mössbauer Spectral Properties of Yttrium Iron Garnet, Y3Fe5O12, and Its Isovalent and Nonisovalent Yttrium-Substituted Solid Solutions von Long, Gary J, Grandjean, Fernande, Guo, Xiaofeng, Navrotsky, Alexandra, Kukkadapu, Ravi K

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Geochemical and mineralogical investigation of uranium in multi-element contaminated, organic-rich subsurface sediment von Qafoku, Nikolla P., Gartman, Brandy N., Kukkadapu, Ravi K., Arey, Bruce W., Williams, Kenneth H., Mouser, Paula J., Heald, Steve M., Bargar, John R., Janot, Noémie, Yabusaki, Steve, Long, Philip E.

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Uranium in Framboidal Pyrite from a Naturally Bioreduced Alluvial Sediment von Qafoku, Nikolla P, Kukkadapu, Ravi K, McKinley, James P, Arey, Bruce W, Kelly, Shelly D, Wang, Chongmin, Resch, Charles T, Long, Philip E

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