RECENT PUBLICATIONS

Ridley, M.K., Hackley, V.A., and Machesky, M.L. 2006. Characterization and Surface-Reactivity of Nanocrystalline Anatase in Aqueous Solutions. Langmuir, 22, 10972-10982. (Published on web 11/14/06).

Machesky, M.L., Wesolowski, D.J., Palmer, D.A., Ridley, M.K., Bénézeth, P., Lvov, S.N. and Fedkin, M.V. 2006. Ion adsorption into the hydrothermal regime: Experimental and modeling approaches. In: Luetzenkirchen, J. (Ed.) Surface Complexation. Elesevier, Chapter 12, 324-358.

Rajagopalan, S., Anderson, T.A., Fahlquist L., Rainwater, K.A., Ridley, M.K. and Jackson, W. A.,   2006.  Widespread presence of naturally occurring perchlorate in high plains of Texas and New Mexico.  Environmental Science and Technology, 40, 3156-3162.

Ridley, M.K., Machesky, M.L., Wesolowski, D.J., and Palmer, D.A. 2005. Surface complexation of Neodymium at the rutile-water interface: A potentiometric and modeling study in NaCl media to 250ºC.  Geochim. Cosmochim. Acta. 69, 63-81. 

Jackson, W. A., Anandam, S-K, Anderson, T., Lehman, T., Rainwater, K., Rajagopalan, S., Ridley, M.K. and Tock, R.  2005.  Perchlorate occurrence in the Texas Southern High Plains Aquifer System.  Groundwater Monitoring and Remediation. 25, 137-149. 

Zhang, Z. Fenter, P., Cheng, L., Sturchio, N.C., Bedzyk, M.J., Předota, M., Bandura, A., Kubicki, J., Lvov, S.N., Cummings, P.T., Chialvo, A.A., Ridley, M.K., Bénézeth, P., Anovitz, L., Palmer, D.A., Machesky, M.L., Wesolowski, D.J.  2004.  Ion Adsorption at the Rutile-Water Interface: Linking Molecular and Macroscopic Properties.  Langmuir, 20, 4954-4969.  

Ridley, M.K., Machesky, M.L., Wesolowski, D.J., and Palmer, D.A.  2004.  Modeling the surface complexation of calcium at the rutile-water interface to 250ºC. Geochim. Cosmochim. Acta, 68, 239-251. 

Ridley, M.K., Machesky, M.L., Palmer, D.A. and Wesolowski, D.J. 2002.  Potentiometric Studies of the Rutile-Water Interface: Hydrogen-Electrode Concentration-Cell vs Glass-Electrode Titrations.  Colloids and Surfaces A: Physicochemical and Engineering Aspects, 204, 295-308. 

Machesky, M.L., Wesolowski, D.J., Palmer, D.A. and Ridley, M.K.  2001.  On the temperature dependence of intrinsic surface protonation equilibrium constants: an extension of the revised MUSIC model.  Journal of Colloid and Interface Science, 239, 314-327. 

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RECENT PRESENTATIONS

Ridley M.K., Hiemstra T., Van Riemsdijk W.H. and Machesky M.L.  2006.  Surface structural modeling of cation sorption at the rutile-water interface.  Geological Society of America, Philadelphia, October 22-25, 2006. Abstracts, 38, 60-7.

Ridley M.K., Hackley V.A. and Machesky M.L.  2006. Surface phenomena at the oxide-water interface of nano-crystalline anatase. Nanoscale Processes in the Earth and Planetary Sciences, NSF-NNIN Workshop, Albuquerque, NM, January 11-13, 2006.

Chatterjee A. and Ridley M.K.  2005. Metal partitioning at the Anaconda Smelter Site, Montana: A geochemical and mineralogical study. Geological Society of America, Salt Lake City, UT, October 16-19, 2005. Abstracts, 37. 

Ridley M.K.  2005. Surface phenomena of nano-crystalline particles: Implication for nano-phase materials and processes in the environment. West Texas Nanotechnology Forum, Lubbock, TX,  April 19, 2005. 

Ridley M.K., Machesky M.L., and Hackley V.A.  2005. Surface charge development at the interface of nanocrystalline-anatase and aqueous solutions. Goldschmidt Conference, Moscow, Idaho, U.S.A., May 20-25, 2005. 

Chatterjee A. and Ridley M.K.  2005. The distribution and partitioning of metals at the Anaconda Smelter Site, Montana.  Geological Society of America Abstracts, South-Central Section, San Antonio, TX, April 1-2, 2005. 

Jackson W.A., Rainwater K., Anderson T., Lehman T., Ridley M.K., and Tock R.  2004. Perchlorate in Groundwater in the Southern High Plains of Texas. Conference on High Plains Groundwater Resources: Challenges and Opportunities, Lubbock, TX, December 7-9, 2004. 

Ridley M.K., Machesky M.L., and Hackley V.A.  2004.  Surface Reactivity of Nanocrystalline Anatase. Geological Society of America, Denver, CO, November 7-10, 2004.  Abstracts, 36, 108-1. 

Frost G.R. and Ridley M.K.  2004. The Solubility of Natural and Synthetic Jarosite at 50°C. Geological Society of America, Denver, CO, November 7-10, 2004.  Abstracts, 36, 149-2. 

Jackson W.A., Anderson T., Rainwater K., Ridley M.K., Rajagopalan S.  2004. Occurrence and Source of Perchlorate in the High Plains Aquifer System of Texas and New Mexico. Geological Society of America, Denver, CO, November 7-10, 2004.  Abstracts, 36, 64-2. 

Machesky M.L., Wesolowski D.J., Ridley M.K., Palmer D.A., Fenter P.A., Zhang Z., Kubicki J.D., and Předota M.  2004.  Ion adsorption at the rutile-water interface to hydrothermal conditions.  Goldschmidt Conference, Copenhagen, Denmark, June 5-11, 2004. 

Ridley, M.K., Machesky,M.L., Zhang, Z., Fenter, P.A. and Wesolowski, D. J. 2004.  Spectroscopically constrained surface complexation modeling of Yttrium adsorption at the rutile-water interface.   227^th ACS National Meeting, Anaheim, CA, March 28 – April 1, 2004. 

Machesky M.L., Kubicki J.D., Bandura A.V., Předota M., Wesolowski D.J., Ridley M.K., and Bénézeth, P.  2004.  Hydrogen Bonding and Hydrolysis at the Rutile-Water Interface: Ab Initio and Molecular Dynamics Insights and Implications for Surface Complexation Modeling. 227^th ACS National Meeting, Anaheim, CA, March 28 – April 1, 2004. 

Jackson W.A., Rainwater K.A., Anderson T., Lehman T.M., Ridley M.K., Walden S., and Tock W.R., 2004.  Perchlorate in Groundwater in the Southern High Plains. Texas Water Conservation Association 2004 Annual Convention, Houston, Texas, March 11-15. 

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