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Fundamental and Computational Sciences Directorate

Staff information

Nancy Hess

Environmental Dynamics & Simulations
Scientist
Pacific Northwest National Laboratory
PO Box 999
MSIN: K8-91
Richland, WA 99352

PNNL Publications

2017

  • Walker LR, MM Tfaily, JB Shaw, NJ Hess, L Pasa Tolic, and DW Koppenaal. 2017. "Unambiguous Identification & Discovery of Bacterial Siderophores by Direct Injection 21 Tesla Fourier Transform Ion Cyclotron Resonance Mass Spectrometry." Metallomics 9(1):82-92.  doi:10.1039/c6mt00201c
  • Conradson SD, D Andersson , KS Boland, JA Bradley, DD Byler, T Durakiewicz, SM Gilbertson, S Kozimor, KO Kvashnina, D Nordlund, G Rodriguez, GT Seidler, PS Bagus, SM Butorin, DR Conradson, FJ Espinosa-Faller, NJ Hess, JJ Kas, JS Lezama Pacheco, PP Martin, MB Martucci, JJ Rehr, JA Valdez, AR Bishop, G Baldinozzi, DL Clark, and A Tayal. 2017. "Closure of the Mott gap and formation of a superthermal metal in the Frohlich-type nonequilibrium polaron Bose-Einstein condensate in UO2+x." Physical Review B 96(12):125114.  doi:10.1103/PhysRevB.96.125114
  • Hess NJ, L Pasa Tolic, VL Bailey, and A Dohnalkova. 2017. "New understanding of rhizosphere processes enabled by advances in molecular and spatially resolved techniques." Rhizosphere 3(2):209-211.  doi:10.1016/j.rhisph.2017.04.007
  • Stegen JC, CG Anderson, B Bond-Lamberty, AR Crump, X Chen, and NJ Hess. 2017. "Soil respiration across a permafrost transition zone: spatial structure and environmental correlates." Biogeosciences 14(18):4341-4354.  doi:10.5194/bg-14-4341-2017
  • Tfaily MM, RK Chu, JG Toyoda, N Tolic, EW Robinson, L Pasa Tolic, and NJ Hess. 2017. "Sequential extraction protocol for organic matter from soils and sediments using high resolution mass spectrometry." Analytica Chimica Acta 972:54-61.  doi:10.1016/j.aca.2017.03.031

2016

  • Moran MA, EB Kujawinski, A Stubbins, R Fatland, LI Aluwihare, A Buchan, B Crump, PC Dorrestein, ST Dyhrman, NJ Hess, B Howe, K Longnecker, PM Medeiros, J Niggeman, I Obernosterer, DJ Repeta, and JR Waldbauer. 2016. "Deciphering Ocean Carbon in a Changing World." Proceedings of the National Academy of Sciences of the United States of America 113(12):3143-3151.  doi:10.1073/pnas.1514645113
  • Oostrom M, Y Mehmani, PDJ Romero Gomez, Y Tang, H Liu, H Yoon, Q Kang, V Joekar Niasar, M Balhoff, T Dewers, GD Tartakovsky, EAE Leist, NJ Hess, WA Perkins, CL Rakowski, MC Richmond, JA Serkowski, CJ Werth, AJ Valocchi, TW Wietsma, and C Zhang. 2016. "Pore-scale and Continuum Simulations of Solute Transport Micromodel Benchmark Experiments." Computational Geosciences 20(4):857-879.  doi:10.1007/s10596-014-9424-0
  • Stegen JC, AH Hurlbert, B Bond-Lamberty, X Chen, CG Anderson, RK Chu, F Dini-Andreote, SJ Fansler, NJ Hess, and MM Tfaily. 2016. "Aligning the Measurement of Microbial Diversity with Macroecological Theory." Frontiers in Microbiology 7:Article No. 1487.  doi:10.3389/fmicb.2016.01487
  • Tardiff MF, GT Bonheyo, KA Cort, TW Edgar, NJ Hess, WJ Hutton, III, EA Miller, KE Nowak, CS Oehmen, EAH Purvine, GK Schenter, and PD Whitney. 2016. "Applying the Scientific Method of Cybersecurity Research." In IEEE Symposium on Technologies for Homeland Security (HST 2016), May 10-11, 2016, Waltham, MA.  IEEE, PISCATAWAY, NJ.  doi:10.1109/THS.2016.7568886

2015

  • Tfaily MM, RK Chu, N Tolic, KM Roscioli, CR Anderton, L Pasa-Tolic, EW Robinson, and NJ Hess. 2015. "Advanced solvent based methods for molecular characterization of soil organic matter by high-resolution mass spectrometry." Analytical Chemistry 87(10):5206-5215.  doi:10.1021/acs.analchem.5b00116

2014

  • Bowden ME, KJ Alvine, JL Fulton, JP Lemmon, X Lu, BJM Webb-Robertson, SM Heald, M Balasubramanian, DR Mortensen, GT Seidler, and NJ Hess. 2014. "X-ray Absorption Measurements on Nickel Cathode of Sodium-beta Alumina batteries: Fe-Ni-CI Chemical Associations." Journal of Power Sources 247:517-526.  doi:10.1016/j.jpowsour.2013.08.046
  • Boyd V, H Yoon, C Zhang, M Oostrom, NJ Hess, BW Fouke, AJ Valocchi, and CJ Werth. 2014. "Influence of Mg2+ on CaCO3 precipitation during subsurface reactive transport in a homogeneous silicon-etched pore network." Geochimica et Cosmochimica Acta 135:321-335.  doi:10.1016/j.gca.2014.03.018
  • Conradson SD, N Bock, JM Castro, DR Conradson, LE Cox, W Dmowski, DE Dooley, T Egami, FJ Espinosa-Faller, FJ Freibert, AJ Garcia-Adeva, NJ Hess, E Holmstrom, RC Howell, BA Katz, JC Lashley, RJ Martinez, DP Moore, LA Morales, JD Olivas, RA Pereyra, M Ramos, JH Terry, and PM Villella. 2014. "Intrinsic Nanoscience of d Pu-Ga Alloys: Local Structure and Speciation, Collective Behavior, Nanoscale Heterogeneity, and Aging Mechanisms." Journal of Physical Chemistry C 118(16):8541-8563.  doi:10.1021/jp5004038
  • Hess NJ, GE Brown, and C Plata. 2014. Belowground Carbon Cycling Processes at the Molecular Scale: An EMSL Science Theme Advisory Panel Workshop PNNL-22919, Pacific Northwest National Laboratory, Richland, WA. 
  • Qafoku O, JZ Hu, NJ Hess, MY Hu, ES Ilton, J Feng, BW Arey, and AR Felmy. 2014. "Formation of Submicron Magnesite during Reaction of Natural Forsterite in H2O-Saturated Supercritical CO2." Geochimica et Cosmochimica Acta 134:197-209.  doi:10.1016/j.gca.2013.09.024
  • Szecsody JE, DP Jansik, JP McKinley, and NJ Hess. 2014. "Influence of Alkaline Co-Contaminants on Technetium Mobility in Vadose Zone Sediments ." Journal of Environmental Radioactivity 135:147-160.  doi:10.1016/j.jenvrad.2014.02.003

2013

  • Arey BW, L Kovarik, O Qafoku, Z Wang, NJ Hess, and AR Felmy. 2013. "Identification of Fragile Microscopic Structures during Mineral Transformations in Wet Supercritical CO2." Microscopy and Microanalysis 19(2):268-275.  doi:10.1017/S1431927612014171
  • Conradson SD, T Durakiewicz, FJ Espinosa-Faller, YQ An, D Andersson , AR Bishop, KS Boland, JA Bradley, DD Byler, DL Clark, DR Conradson, LL Conradson, AE Costello, NJ Hess, GH Lander, A Llobet, MB Martucci, JM de Leon, D Nordlund, JS Lezama-Pacheco, TE Proffen, G Rodriguez, DE Schwarz, GT Seidler, A Taylor, SA Trugman, TA Tyson, and JA Valdez. 2013. "Possible Bose-condensated Behavior in a Quantum Phase Originating in a Collective Excitation in the Chemically and Optically Doped Mott-Hubbard System UO2+x." Physical Review. B, Condensed Matter 88(11):Article No. 115135.  doi:10.1103/PhysRevB.88.115135
  • Fanizza MF, H Yoon, C Zhang, M Oostrom, TW Wietsma, NJ Hess, ME Bowden, TJ Strathmann, KT Finneran, and CJ Werth. 2013. "Pore-Scale Evaluation of Uranyl Phosphate Precipitation in a Model Groundwater System." Water Resources Research 49(2):874-890.  doi:10.1002/wrcr.20088

2012

  • Felmy AR, O Qafoku, BW Arey, JZ Hu, MY Hu, HT Schaef, ES Ilton, NJ Hess, CI Pearce, J Feng, and KM Rosso. 2012. "Reaction of Water-Saturated Supercritical CO2 with Forsterite: Evidence for Magnesite Formation at Low Temperatures." Geochimica et Cosmochimica Acta 91:271-282.  doi:10.1016/j.gca.2012.05.026
  • Webb-Robertson BJM, VL Bailey, SJ Fansler, MJ Wilkins, and NJ Hess. 2012. "Spectral Signatures for the Classification of Microbial Species using Raman Spectra." Analytical and Bioanalytical Chemistry 404(2):563-572.  doi:10.1007/s00216-012-6152-y

2011

  • Ahring BK, NS Baliga, JR Frederickson, S Kaplan, HB Pakrasi, JG Pounds, I shah, S Slater, G Stacey, KJ Auberry, DR Baer, DML Brown, DE Cowley, DW Hoyt, DW Koppenaal, BE Linggi, KT Mueller, G Orr, EW Robinson, RG Teller, HS Wiley, NJ Hess, L Pasa-Tolic, KM Waters, and KD Rodland. 2011. Biological Interactions and Dynamics Science Theme Advisory Panel (BID-STAP)PNNL-20717, Pacific Northwest National Laboratory, Richland, WA. 
  • Brown GE, A Chaka, DK Shuh, EE Roden, CJ Werth, NJ Hess, AR Felmy, KM Rosso, DR Baer, VL Bailey, ME Bowden, JW Grate, DW Hoyt, LR Kuprat, AS Lea, KT Mueller, M Oostrom, G Orr, L Pasa-Tolic, C Plata, EW Robinson, RG Teller, S Thevuthasan, H Wang, HS Wiley, and MJ Wilkins. 2011. EMSL Geochemistry, Biogeochemistry and Subsurface Science-Science Theme Advisory Panel MeetingPNNL-20601, Pacific Northwest National Laboratory, Richland, WA. 
  • Hess NJ, M Oostrom, MA Celia, M Hilpert, Q Kang, LJ Pyrak-Nolte, TD Scheibe, AM Tartakovsky, CJ Werth, D Wildenschild, C Zhang, SE Bialkowski, TA Ghezzehei, G Tang, F Doster, J Kumar, R Parashar, R Gerlach, H Yoon, GD Redden, T Zhang, H Huang, J Nogues, W Deng, H Resat, KA Rod, DR Baer, RT Kelly, W Um, G Wang, MC Richmond, DR Rector, ML Stewart, HB Jung, and C Plata. 2011. EMSL Pore Scale Modeling Challenge/WorkshopPNNL-21086, Pacific Northwest National Laboratory, Richland, WA. 

2010

  • Zhang C, KJ Dehoff, NJ Hess, M Oostrom, TW Wietsma, AJ Valocchi, BW Fouke, and CJ Werth. 2010. "Pore-Scale Study of Transverse Mixing Induced CaCO3 Precipitation and Permeability Reduction in a Model Subsurface Sedimentary System." Environmental Science & Technology 44(20):7833-7838.  doi:10.1021/es1019788
  • Shaw WJ, ME Bowden, AJ Karkamkar, CJ Howard, DJ Heldebrant, NJ Hess, JC Linehan, and T Autrey. 2010. "Characterization of a New Phase of Ammonia Borane." Energy & Environmental Science 3(6):796-804. 

2009

  • Karkamkar AJ, SM Kathmann, GK Schenter, DJ Heldebrant, NJ Hess, MS Gutowski, and T Autrey. 2009. "Thermodynamic and Structural Investigations of Ammonium Borohydride, a Solid with a Highest Content of Thermodynamically and Kinetically Accessible Hydrogen." Chemistry of Materials 21(19):4356-4358.  doi:10.1021/cm902385c
  • Hess NJ, GK Schenter, MR Hartman, LL Daemen, TE Proffen, SM Kathmann, CJ Mundy, MA Hartl, DJ Heldebrant, AC Stowe, and T Autrey. 2009. "Neutron Powder Diffraction and Molecular Simulation Study of the Structural Evolution of Ammonia Borane from 15 to 340 K." Journal of Physical Chemistry A 113(9):5723-5735.  doi:10.1021/jp900839c
  • Kathmann SM, VM Parvanov, GK Schenter, AC Stowe, LL Daemen, MA Hartl, JC Linehan, NJ Hess, AJ Karkamkar, and T Autrey. 2009. "Experimental and Computational Studies on Collective Hydrogen Dynamics in Ammonia Borane: Incoherent Inelastic Neutron Scattering." Journal of Chemical Physics 130(2):article no. 024507.  doi:10.1063/1.3042270

2008

  • Parvanov VM, GK Schenter, NJ Hess, LL Daemen, MA Hartl, AC Stowe, DM Camaioni, and T Autrey. 2008. "Materials for Hydrogen Storage: Structure and Dynamics of Borane Ammonia Complex." Dalton Transactions (33):4514-4522.  doi:10.1039/b718138h
  • Cho HM, WJ Shaw, VM Parvanov, GK Schenter, AJ Karkamkar, NJ Hess, CJ Mundy, SM Kathmann, JA Sears, Jr, AS Lipton, PD Ellis, and T Autrey. 2008. "Molecular Structure and Dynamics in the Low Temperature (Orthorhombic) Phase of NH3BH3." Journal of Physical Chemistry A 112(18):4277-4283. 
  • Heldebrant DJ, AJ Karkamkar, NJ Hess, ME Bowden, SD Rassat, F Zheng, KG Rappe, and T Autrey. 2008. "The Effects of Chemical Additives on the Induction Phase in Solid-State Thermal Decomposition of Ammonia Borane." Chemistry of Materials 20(16):5332-5336.  doi:10.1021/cm801253u
  • Hess NJ, O Qafoku, Y Xia, DA Moore, and AR Felmy. 2008. "Thermodynamic Model for Solubility of TcO2·xH2O in Aqueous Oxalate System." Journal of Solution Chemistry 37(11):1471-1487.  doi:10.1007/s10953-008-9328-5
  • Hess NJ, ME Bowden, VM Parvanov, CJ Mundy, SM Kathmann, GK Schenter, and T Autrey. 2008. "Spectroscopic Studies of the Phase Transition in Ammonia Borane: Raman spectroscopy of single crystal NH3BH3 as a function of temperature from 88 to 330 K." Journal of Chemical Physics 128(3):Art. No. 034508.  doi:10.1063/1.2820768
  • Hess NJ, MR Hartman, C Brown, E Mamontov, AJ Karkamkar, DJ Heldebrant, LL Daemen, and T Autrey. 2008. "Quasielastic neutron scattering of -NH3 and -BH3 rotational dynamics in orthorhombic ammonia borane." Chemical Physics Letters 459(1-6):85-88.  doi:10.1016/j.cplett.2008.04.130

2007

  • Rai D, DA Moore, NJ Hess, KM Rosso, L Rao, and SM Heald. 2007. "Chromium(III) Hydroxide Solubility in the Aqueous K+-H+-OH--CO2- HCO3-- CO32--H2O System: A Thermodynamic Model." Journal of Solution Chemistry 36(10):1261-1285.  doi:10.1007/s10953-007-9179-5

2006

  • Xia Y, NJ Hess, and AR Felmy. 2006. "Stability Constants of Technetium (IV) Oxalate Complexes as a Function of Ionic Strength." Radiochimica Acta 94(3):137-141.  doi:10.1524/ract.2006.94.3.137
  • Brown C, T Jacques, NJ Hess, LL Daemen, E Mamontov, JC Linehan, AC Stowe, and T Autrey. 2006. "Dynamics of Ammonia Borane Using Neutron Scattering." Physica B Condensed Matter 385(Pt.1 ):266-268. 
  • Ding M, JL Conca, CJ Den Auwer, RI Gabitov, NJ Hess, P Paviet-Hartmann, PD Palmer, V LoPresti, and SD Conradson. 2006. "Chemical Speciation of Heterogeneously Reduced Pu in Synthetic Brines ." Radiochimica Acta 94(5):249-259. 
  • Felmy AR, HM Cho, DA Dixon, Y Xia, NJ Hess, and Z Wang. 2006. "The Aqueous Complexation of Thorium with Citrate under Neutral to Basic Conditions." Radiochimica Acta 94(4):205-212.  doi:10.1524/ract.2006.94.4.205
  • Hess NJ, Y Xia, and AR Felmy. 2006. "Solubility of TcO2·xH2O(am) in the Presence of Gluconate in Aqueous Solution ." Chapter 16 in Nuclear Waste Management: Accomplishments of the Environmental Management Science Program, ACS Symposium Series, vol. 943, ed. PW Wang and T Zachry, pp. 286-301.  American Chemical Society, Washington DC.  doi:10.1021/bk-2006-0943.ch016

2005

  • Conradson SD, BD Begg, DL Clark, CJ Den Auwer, M Ding, PK Dorhout, FJ Espinosa-Faller, PL Gordon, RG Haire, NJ Hess, RF Hess, DW Keogh, GH Lander, D Manara, LA Morales, MP Neu, P Paviet-Hartmann, J Rebizant, VV Rondinella, W Runde, CD Tait, DK Veirs, PM Villella, and F Wastin. 2005. "Charge Distribution and Local Structure and Speciation in the UO2+x and PuO2+x Binary Oxides for x <= 0.25." Journal of Solid State Chemistry 178(2):521-535. 
  • Rai D, Y Xia, L Rao, NJ Hess, AR Felmy, DA Moore, and DE McCready. 2005. "Solubility of (UO2)3(PO4)2.4H2O in H+-Na+-OH--H2PO-4-HPO2-4-PO3-4-H2O and its Comparison to the Analogous PuO2+2 System." Journal of Solution Chemistry 34(4):469-498. 
  • Rai D, M Yui, NJ Hess, AR Felmy, and DA Moore. 2005. "Thorium Reactions in Borosilicate-Glass/Water Systems." Radiochimica Acta 93(8):443-455.  doi:10.1524/ract.2005.93.8.443
  • Wester DW, and NJ Hess. 2005. "Bond-valence Sums for Tc-O Systems from EXAFS Data." Inorganica Chimica Acta 358(4):865-874. 

2004

  • Wildung RE, SMW Li, CJ Murray, KM Krupka, YL Xie, NJ Hess, and EE Roden. 2004. "Technetium Reduction in Sediments of a Shallow Aquifer Exhibiting Dissimilatory Iron Reduction Potential ." FEMS Microbiology Ecology 49(1):151-162. 
  • Conradson SD, BD Begg, DL Clark, CJ Den Auwer, M Ding, PK Dorhout, FJ Espinosa-Faller, PL Gordon, RG Haire, NJ Hess, RF Hess, DW Keogh, LA Morales, MP Neu, P Paviet-Hartmann, W Runde, CD Tait, DK Veirs, and PM Villella. 2004. "Local and Nanoscale Structure and Speciation in the PuO2+ x- y(OH)2 y · zH2O System." Journal of the American Chemical Society 126(41):13443-13458. 
  • Felmy AR, Z Wang, DA Dixon, and NJ Hess. 2004. "Chemical Equilibrium Modeling of Hanford Waste Tank Processing: Applications of Fundamental Science." In Waste Management '04: HLW, LLW, Mixed Hazardous Wastes and Environmental Restoration - Working Towards a Cleaner Environment, p. Paper No. 4526.  WM Symposia, Inc., Tucson, AZ. 
  • Hess NJ, Y Xia, D Rai, and SD Conradson. 2004. "Thermodynamic Model for the Solubility of TcO2·xH2O(am) in the Aqueous Tc(IV) - Na+ - Cl- - H+ - OH- - H2O System." Journal of Solution Chemistry 33(2):199-226. 
  • Krupka KM, WJ Deutsch, MJ Lindberg, KJ Cantrell, NJ Hess, HT Schaef, and BW Arey. 2004. Hanford Tanks 241-AY-102 and 241-BX-101: Sludge Composition and Contaminant Release Data PNNL-14614, Pacific Northwest National Laboratory, Richland, WA. 
  • Rai D, DA Moore, NJ Hess, L Rao, and SB Clark. 2004. "Chromium (III) Hydroxide Solubility in the Aqueous Na+-OH-- H2PO4-- HPO42--PO43--H2O System: A Thermodynamic Model." Journal of Solution Chemistry 33(10):1213-1242. 
  • Rai D, NJ Hess, M Yui, AR Felmy, and DA Moore. 2004. "Thermodynamics and solubility of (UxNp1-x) O2(am) solid solution in the carbonate system." Radiochimica Acta 92(9-11):527-535.  doi:10.1524/ract.92.9.527.54995
  • Rai D, NJ Hess, M Yui, AR Felmy, and DA Moore. 2004. "THERMODYNAMICS AND SOLUBILITY OF (UxNp1-x)O2(am) SOLID SOLUTION IN THE CARBONATE SYSTEM." Radiochimica Acta 92(9-11):527-535.  doi:10.1524/ract.92.9.527.54995

2003

  • Xia Y, AR Felmy, L Rao, Z Wang, and NJ Hess. 2003. "Thermodynamic model for the solubility of ThO2 (am) in the aqueous Na+ - H+ -OH- -NO3- -H2O-EDTA System." Radiochimica Acta 91(12):751-760. 
  • Cho HM, D Rai, NJ Hess, Y Xia, and L Rao. 2003. "Acidity and Structure of Isosaccharinate in Aqueous Solution: A Nuclear Magnetic Resonance Study." Journal of Solution Chemistry 32(8):691-702. 
  • Icenhower JP, WJ Weber, NJ Hess, S Thevuthasan, BD Begg, BP McGrail, EA Cordova, JL Steele, and KN Geiszler. 2003. "Experimental Determination of Dissolution Kinetics of Zr-Substituted Gd-Ti Pyrochlore Ceramics: Influence of Chemistry on Corrosion Resistance." In Scientific Basis for Nuclear Waste Management XXVI, Materials Research Society Symposium Proceedings, vol. 757, ed. RJ Finch and DB Bullen, pp. 227-234, paper no. II6.1.  Materials Research Society, Warrendale, PA. 
  • Rai D, NJ Hess, Y Xia, L Rao, HM Cho, RC Moore, and LR Van Loon. 2003. "Comprehensive Thermodynamic Model Applicable to Highly Acidic to Basic Conditions for Isosaccharinate Reactions with Ca(II) and Np(IV)." Journal of Solution Chemistry 32(8):665-689. 
  • Weber WJ, JP Icenhower, and NJ Hess. 2003. "Self-Radiation Effects in Plutonium-Bearing Glasses." In Plutonium Futures -- The Science: Third Topical Conference on Plutonium and Actinides : Albuquerque, New Mexico, 6-10 July, 2003 / AIP Conference Proceedings, vol. 673, ed. Gordon D Jarvinen, pp. 57-58.  American Institute of Physics, Melville, NY. 

2002

  • Hess NJ, BD Begg, SD Conradson, DE McCready, PL Gassman, and WJ Weber. 2002. "Spectroscopic Investigations of the Structural Phase Transition in Gd2(Ti1-yZry)(2)O-7 Pyrochlores ." Journal of Physical Chemistry B 106(18):4663-4677. 
  • Bredt PR, CC Ainsworth, FJ Brockman, DM Camaioni, OB Egorov, AR Felmy, YA Gorby, JW Grate, MS Greenwood, BP Hay, NJ Hess, TL Hubler, JP Icenhower, SV Mattigod, BP McGrail, PD Meyer, CJ Murray, PD Panetta, DM Pfund, D Rai, Y Su, SK Sundaram, WJ Weber, and JM Zachara. 2002. Science to Support DOE Site Cleanup: The Pacific Northwest National Laboratory Environmental Management Science Program Awards -- Fiscal Year 2002 Mid-Year Progress ReportPNNL-13928, Pacific Northwest National Laboratory, Richland, WA. 
  • Icenhower JP, BP McGrail, WJ Weber, BD Begg, NJ Hess, EA Cordova, JL Steele, CF Brown, and MJ O'Hara. 2002. "Dissolution of A2Ti2O7 (A = Y3?, Gd3?, or Lu3?) Pyrochlore by Experiment at pH = 2, T = 90 C: Evidence for Solubility Control Using a Linear Free Energy Model." In Scientific Basis for Nuclear Waste Management XXV, Materials Research Society Symposium Proceedings, vol. 713, ed. BP McGrail and GA Cragnolino, pp. 397-403 paper no. JJ6.2.  Materials Research Society, Warrendale, PA. 
  • Rai D, AR Felmy, NJ Hess, VL Legore, and DE McCready. 2002. "Thermodynamics of the U(VI)-Ca2+-Cl- -OH- -H2O System: Solubility Product of Becquerelite." Radiochimica Acta 90:495-503. 
  • Rai D, NJ Hess, L Rao, Z Zhang, AR Felmy, DA Moore, SB Clark, and GJ Lumetta. 2002. "Thermodynamic Model for the Solubility of Cr(OH)(3)(am) in Concentrated NaOH and NaOH-NaNO3 Solutions." Journal of Solution Chemistry 31(5):343-367. 

2001

  • Hess NJ, Y Su, and ML Balmer. 2001. "Evidence of Edge-Sharing TiO5 Polyhedra in Ti-Substituted Pollucite, CsTixAl1-xSi2O6+x/2 ." Journal of Physical Chemistry B 105(29):6805-6811. 
  • Begg BD, NJ Hess, DE McCready, S Thevuthasan, and WJ Weber. 2001. "Heavy-Ion Irradiation Effects in Gd2(Ti2-xZrx)O7 Pyrochlores." Journal of Nuclear Materials 289(1-2):188-193. 
  • Begg BD, NJ Hess, WJ Weber, R Devanathan, JP Icenhower, S Thevuthasan, and BP McGrail. 2001. "Heavy-Ion Irradiation Effects on Structures and Acid Dissolution of Pyrochlores." Journal of Nuclear Materials 288(2-3):208-216. 
  • Bredt PR, FJ Brockman, DM Camaioni, AR Felmy, JW Grate, BP Hay, NJ Hess, PD Meyer, CJ Murray, DM Pfund, Y Su, EC Thornton, WJ Weber, and JM Zachara. 2001. Science To Support DOE Site Cleanup: The Pacific Northwest National Laboratory Environmental Management Science Program AwardsPNNL-13564, Pacific Northwest National Laboratory, Richland, WA. 
  • Rai D, Y Xia, NJ Hess, DM Strachan, and BP McGrail. 2001. "Hydroxo and Chloro Complexes/Ion-Interactions of Hf4+ and the Solubility Product of HfO2(am)." Journal of Solution Chemistry 30(11):949-967. 
  • Rai D, and NJ Hess. 2001. "An overview of actinide redox speciation methods, other than chemical separation techniques: Their applicability, advantages and limitations." In Evaluation of Speciation Technology: Workshop Proceedings, Tokai-mura, Ibaraki, Japan, pp. 111-118.  Nuclear Energy Agency, Paris, France. 
  • Rai D, H Bolton, Jr, DA Moore, NJ Hess, and GR Choppin. 2001. "Thermodynamic Model for the Solubility of PuO2(am) in the Aqueous Na+-H+-OH--Cl--H2O- ehtylenediaminetetraacetate System." Radiochimica Acta 89:67-74. 

2000

  • Buchko GW, NJ Hess, and MA Kennedy. 2000. "Cadmium Mutagenicity and Human Nucleotide Excision Repair Protein XPA: CD, EXAFS, and 1H/15N NMR Spectroscopic Studies on the Zinc (II) and Cadmium (II) Associated Minimal DNA-Binding Domain." Carcinogenesis 21(5):1051-1057. 
  • Buchko GW, NJ Hess, and MA Kennedy. 2000. "Human Nucleotide Excision Repair Protein XPA: Summary of EXAFS Studies On the Zn (II), Co (II), and Cd (II) Associated Minimal DNA-Binding Domain." Protein and Peptide Letters 7(1):49-56. 
  • Buchko GW, NJ Hess, V Bandaru, SS Wallace, and MA Kennedy. 2000. "Spectroscopic Studies of Zinc (II) and Cobalt (II) Associated Escherichia Coli Formamidopyrimidine-DNA Glycosylase: Extended X-Ray Absorption Fine Structure Evidence for a Metal-Binding Domain." Biochemistry 39:12441-12449. 
  • Hess NJ, FJ Espinosa-Faller, SD Conradson, and WJ Weber. 2000. "Beta Radiation Effects in 137Cs-Substituted Pollucite." Journal of Nuclear Materials 281(1):22-33. 
  • Wildung RE, YA Gorby, KM Krupka, NJ Hess, SMW Li, AE Plymale, JP McKinley, and JK Fredrickson. 2000. "Effect of Electron Donor and Solution Chemistry on the Products of Dissimilatory Reduction of Technetium by Shewanella putrefaciens." Applied and Environmental Microbiology 66(6):2451-2460. 
  • Begg BD, NJ Hess, WJ Weber, SD Conradson, MJ Schweiger, and RC Ewing. 2000. "XAS and XRD Study of Annealed Pu-238- and Pu-239-Substituted Zircons (Zr0.92Pu0.08SiO4)." Journal of Nuclear Materials 278(2-3):212-224. 
  • Weber WJ, NJ Hess, RE Williford, HL Heinisch, BD Begg, SD Conradson, and RC Ewing. 2000. "Plutonium Stabilization in Zircon: Effects of Self-Radiation." In Plutonium Futures - The Science, AIP Conference Proceedings, vol. 532, ed. K.K.S. Pillay and K.C. Kim, pp. 18-19.  American Institute of Physics, Melville, NY. 
  • Williford RE, BD Begg, WJ Weber, and NJ Hess. 2000. "Computer Simulation of Pu3+ and Pu4+ Substitutions in Zircon." Journal of Nuclear Materials 278(2-3):207-211. 

1999

  • Begg BD, NJ Hess, and WJ Weber. 1999. "XAS and XRD Characterization of Annealed Pu-doped Zircon." In HLW and Pu Immobilization, INIS-FR--150, ed. C. Meis, pp. 21-22.  Commissariat a l'Energie Atomique, Saclay, , FRANCE. 
  • Buchko GW, LM Iakoucheva, MA Kennedy, EJ Ackerman, and NJ Hess. 1999. "Extended X-ray Absorption Fine Structure Evidence for a Single Metal Binding Domain in Xenopus Laevis Nucleotide Excision Repair Protein XPA." Biochemical and Biophysical Research Communications 254(1):109-113. 
  • Rai D, NJ Hess, AR Felmy, DA Moore, and M Yui. 1999. "A Thermodynamic Model for the Solubility of NpO2(am) in the Aqueous K+-HCO3--CO32--OH--H2O System." Radiochimica Acta 84:159-169. 
  • Rai D, NJ Hess, AR Felmy, DA Moore, M Yui, and P Vitorge. 1999. "A Thermodynamic Model for the Solubility of PuO2(am) in the Aqueous K+-HCO3- -CO32- -OH- -H2O System." Radiochimica Acta 86:89-99. 

1998

  • Hess NJ, WJ Weber, and SD Conradson. 1998. "U and Pu L(III) XAFS of Pu-Doped Glass and Ceramic Waste Forms." Journal of Alloys and Compounds 271-273:240-243. 
  • Rai D, AR Felmy, NJ Hess, DA Moore, and M Yiu. 1998. "A Thermodynamic Model for the Solubility of UO2(am) in the Aqueous K+-Na+-HCO3--CO32--OH--H2O System." Radiochimica Acta 82:17-25. 
  • Weber WJ, LM Wang, N Yu, and NJ Hess. 1998. "Structure and Properties of Ion-Beam-Modified (6H) Silicon Carbide." Materials Science and Engineering. A. Structural Materials: Properties, Microstructure and Processing 253(1-2):62-70. 

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