Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Jiamin Wan's Publications

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Refereed Journals

  1. Wan, J., Y. Kim, M.J. Mulvihill, and T.K. Tokunaga, Dilution can destabilize ligand-coated nanoparticles in suspensions, Environ. Sci. Technol., submitted. 
  2. Wan, J., T. K. Tokunaga; W. Dong; M. E. Denham; and S. S. Hubbard, Persistent Source Influences on the Trailing Edge of a Groundwater Plume, and Natural Attenuation Timeframes: The F-Area Savannah River Site, Environ. Sci. Technol. 46, 4490−4497, 2012,
  3. Tokunaga, T.K., J. Wan, and M.E. Denham, Estimates of vadose zone drainage from a capped seepage basin”, Vadose Zone J., web-released 2012.
  4. Dong, W., T.K. Tokunaga, J.A. Davis, J. Wan, Uranium(VI) adsorption and surface complexation modeling on background sediments from the F-Area, Savannah River Site, Environ. Sci. Technol. 46, 1565-71, 2012.
  5. Jung, J. and J. Wan, Supercritical CO2 and ionic strength effects on wettability of silica surfaces: Equilibrium contact angle measurments, Energy & Fuels, in press (web released), 2012.
  6. Kim, Y., J. Wan, T. J. Kneafsey, and T. K. Tokunaga, Dewetting of silica surfaces upon reactions with supercritical CO2 and brine: Pore-scale studies in micromodels, Environ. Sci. Technol., 46 (7), pp 4228–4235, 2012.
  7. Torkzaban, S., J. Wan, T.K. Tokunaga, S. A. Bradford, Impacts of bridging complexation on the transport of surface-modified nanoparticles in saturated sand, Journal of Contaminant Hydrology 136–137, 86–95, 2012.
  8. Wan, J., W. Dong, T. K. Tokunaga. Method to attenuate U(VI) mobility in acidic waste plumes using humic acids, Environ. Sci. Technol. 45, 2331-2337, 2011.
  9. Torkzaban, S., Wan, J., Kim, Y., Mulvihill, M., and Tokunaga, T. K., Transport and deposition of functionalized CdTe nanoparticles in saturated porous media. J. Contaminant Hydrology, 118, 208-217, 2010.
  10. Mulvihill, M.J., S.E. Habas, I.J. La Plante, J. Wan, and T. Mokari, The influence of size, shape, and surface coating on the stability of aqueous nanoparticle suspensions, J. Phys. Chem, 22 (18), 5251–5257, 2010.
  11. Wan, J., Y. Kim, T.K. Tokunaga, Z. Wang, S. Dixit, C.I. Steefel, E. Saiz, M. Kunz, and N. Tamura. Spatially resolved U(VI) partitioning and speciation: Implications for plume scale behavior of contaminant U in the Hanford vadose zone.  Environ. Sci. Technol. 43, 2247-2253, 2009.
  12. Tokunaga, T.K., Y. Kim, and J. Wan.  Potential remediation approach for uranium-contaminated groundwaters through potassium uranyl vanadate precipitation.  Environ. Sci. Technol., 43, 5467-5471, 2009.
  13. Wan, J., T.K. Tokunaga, Y. Kim, E. Brodie, R. Daly, T.C. Hazen, and M.K. Firestone. Effects of organic carbon supply rates on uranium mobility in a previously bioreduced contaminated sediment.  Environ. Sci. Technol. 42, 7573-7579, 2008.
  14. Tokunaga, T.K., Wan, J., Kim, Y., R.A. Daly, E.L. Brodie, T.C. Hazen, D. Herman, and M.K. Firestone. Influences of organic carbon supply rate on uranium reduction in initially oxidizing, contaminated sediment.  Environ. Sci. Technol. 42, 8901-8907, 2008. 
  15. Wan, J., T.K. Tokunaga, Y. Kim, Z. Wang, A. Lanzirotti, E. Saiz, and R.J. Serne, Effect of saline waste solution infiltration rates on uranium retention and spatial distribution in Hanford sediments, Environ. Sci. Technol., 42, 1973-1979, 2008.
  16. Tokunaga, T.K., J. Wan, Y. Kim, S.R. Sutton, M. Newville, A. Lanzirotti, and W. Rao.  Real-time X-ray absorption spectroscopy of uranium, iron, and manganese in contaminated sediments during bioreduction.  Environ. Sci. Technol., 42, 2839-2844, 2008.
  17. Zheng, Z., G. Zhang, J. Wan, Reactive transport modeling of column experiments on  the evolution of saline-alkaline waste solutions, Journal of Contaminant Hydrology, 97, 42-54, 2008.
  18. He, Y.T., J. Wan, and T.K. Tokunaga, Kinetic stability of hematite nanoparticles: the effect of particle sizes, J. Nanopart. Res., 10:321-332, 2008.
  19. Tokunaga, T.K., J. Wan, A. Lanzirotti, S.R. Sutton, and M. Newville, Long-term stability of organic carbon-stimulated chromate reduction in contaminated soils, and its relation to manganese redox status, Environ. Sci. Technol., 41 (12) 4326-31, 2007.
  20. Wan, J., T. Tyliszczak, T.K. Tokunaga, Organic carbon distribution and elemental correlations: Applications of STXM and NEXAFS spectroscopy, Geochim. Cosmochim. Acta, 71, 5439-49, 2007.
  21. Brodie, E.L., T.Z. DeSantis, D.C. Joyner, S. Baek, J.T. Larsen, G.L. Andersen, T.C. Hazen, D.J. Herman, T.K. Tokunaga, J. M. “M.” Wan, and M.K. Firestone, Application of a high-density oligonucleotide microarray approach to study bacterial population dynamics during uranium reduction and reoxidation. Appl. Environ. Microbiol. 72:6288-6298, 2006.
  22. Zheng, Z., J. Wan, and X. Song. Sodium meta-autunite colloids: Synthesis, characterization, and stability. Colloids Surfaces A. Physicochemical Eng. Aspects, 274, 48-55, 2006.
  23. Wan, J. and T.K. Tokunaga, Comments on “Pore-scale visualization of colloid transport and retention in partly saturated porous media”, Vadose Zone J., 4, 954-956, 2005.
  24. Wan, J., T.K. Tokunaga, E. Brodie, Z. Wang, Z. Zheng, T.C. Hazen, M.K. Firestone, S.R. Sutton, Reoxidation of bioreduced U under reducing conditions. Environ. Sci. Technol., 39, 6162-69, 2005.
  25. Tokunaga, T. K., J. Wan, J. Pena, E. Brodie, M.K. Firestone, and T.C. Hazen, Uranium reduction in sediments under diffusion-limited transport of organic carbon, Environ. Sci. Technol., 39, 7077-83, 2005. 
  26. Zhang, G., Z. Zheng, J. Wan, Modeling reactive geochemical transport of concentrated aqueous solutions in variably saturated media. Water Resour. Res., 41, W02018, doi: 10.1029/ 2004 WR003097, 2005.
  27. Zheng, Z. and J. Wan, Release of contaminant U(VI) from soils, Radiochim. Acta, 93, 1–7, 2005.
  28. Tokunaga, T.K., J. Wan, J. Pena, S.R. Sutton, and M. Newville. Hexavalent uranium diffusion in soils from concentrated acidic and alkaline solutions. Environ. Sci. Technol. 38, 3056-3062, 2004.
  29. Wan, J., T.K. Tokunaga, J.T. Larsen, and R.J. Serne, Geochim. Cosmochim. Acta.  68, 491-502, 2004.
  30. Wan, J., J.T. Larsen, T.K. Tokunaga, Z. Zheng,  pH neutralization and zonation in alkaline-saline tank waste plumes. Environ. Sci. Technol. 38, 1321-1329, 2004.
  31. Wan, J., T.K. Tokunaga, E. Saiz, J.T. Larsen, Z. Zheng, R.A. Couture, Colloid formation at waste plume fronts.  Environ. Sci. Technol. 38, 5603-5608, 2004.
  32. Tokunaga, T.K., K.R. Olson, and J. Wan. Conditions necessary for capillary hysteresis in porous media: Tests of grain-size and surface tension influences. Water Resour. Res. 40, W05111, 2004.
  33. Zheng, Z., T.K. Tokunaga, and J. Wan. Influence of calcium carbonate on U(VI) sorption to soils. Environ. Sci. Technol. 37, 5603-5608, 2003.
  34. Tokunaga, T.K., J. Wan, T.C. Hazen, E. Schwartz, M.K. Firestone, S.R. Sutton, M. Newville,  K.R. Olson, A. Lanzirotti,  and W. Rao. Distribution of chromium contamination and microbial activity in soil aggregates. J. Environ. Qual. 32, 541-549, 2003.
  35. Tokunaga, T.K., J. Wan, M.K. Firestone, T.C. Hazen,  K.R. Olson, D.J. Herman, S.R. Sutton, and A. Lanzirotti. In-situ reduction of Cr(VI) in heavily contaminated soils through organic carbon amendment. J. Environ. Qual. 32, 1641-1649, 2003.
  36. Wan, J., T.K. Tokunaga, Partitioning of clay colloids at air-water interfaces, J. Colloid Interface Sci. 247, 54-61, 2002.
  37. Wan, J., S. Veerapaneni, F. Gadelle, and T.K. Tokunaga, Generation of stable micro-bubbles and their transport through porous media, Water Resour. Res., 37, 1173-1182, 2001.
  38. Tokunaga, T.K., and J. Wan, Surface-zone flow in unsaturated rock fractures, Water Resour. Res., 37, 287-296, 2001.
  39. Wan, J., S. Veerapaneni, F. Gadelle, and T.K. Tokunaga, Generation of stable micro-bubbles and their transport through porous media, Water Resour. Res., 37, 1173-1182, 2001.
  40. Gadelle, F., J. Wan, and T.K. Tokunaga. Removal of U(VI) from contaminated sediments by surfactants, J. Environ. Qual., 30, 470-478, 2001.
  41. Veerapaneni, S., J. Wan, and T. K. Tokunaga, Particle motion in film flow, Environ. Sci. Technol., 34, 2465-2471, 2000.
  42. Wan, J., T.K. Tokunaga, T. Orr, and J. O'Neill, Glass casts of rock fractures: A new tool for studying flow and transport, Water Resour. Res., 36, 355-360, 2000.
  43. Tokunaga, T.K., J. Wan, and S.R. Sutton. Transient film flow on rough fracture surfaces, Water Resour. Res., 36, 1737-1746, 2000.
  44. Wan, J. and T.K. Tokunaga, Measuring partition coefficients of colloids at air-water interfaces, Environ. Sci. Technol., 32, 3293-3298, 1998.
  45. Wan, J. and T.K. Tokunaga, Film-straining of colloids in unsaturated porous media: conceptual model and experimental testing, Environ. Sci. Technol., 31, 2413-2420, 1997.
  46. Tokunaga, T.K. and J. Wan, Water film flow along fracture surfaces of porous rock, Water Resour. Res., 33, 1287-1295, 1997.
  47. Wan, J., T.K. Tokunaga, C.F. Tsang, and G.S. Bodvarsson, Improved glass micromodel methods for studies of flow and transport in fractured porous media, Water Resour. Res., 32, 1955-1964,1996.
  48. Wan, J., T.K. Tokunaga, and C.F. Tsang, Bacterial sedimentation through a porous medium, Water Resour. Res., 31, 1627-1636,1995.
  49. Wan, J., and J.L. Wilson, Colloid transport in unsaturated porous media, Water Resour. Res., 30, 857,1994b.
  50. Wan, J., J.L. Wilson, and T. Kieft, Influence of the gas-water interface on transport of microorganisms through unsaturated porous media, Appl. Environ. Microbio., 60, 509 1994.
  51. Wan, J. and J.L. Wilson, Visualization of the role of the gas-water interface on the fate and transport of colloids in porous media, Water Resour. Res., 30, 11-23, 1994a.

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