Refereed Papers

Phillips, R.F., Xu, J. (2021) A critical review of molybdenum sequestration mechanisms under euxinic conditions: Implications for the precision of molybdenum paleoredox proxies. Earth-Science Reviews,
J Xu, R Phillips, H Alarcon, S Kumar (2021) Current and emergent analytical methods for monitoring the behavior of agricultural functional nanoparticles in relevant matrices: a review. Current Opinion in Chemical Engineering 33, 100706.
M Mansor, J Xu (2020) Benefits at the Nanoscale: A Review of Nanoparticle‐Enabled Processes Favoring Microbial Growth and Functionality. Environmental Microbiology,
BL Carrier et al. (2020) Mars Extant Life: What's Next? Conference Report. Astrobiology, 20 (6), 785-814.
Mansor M., Winkler C., Hochella M.F., Xu J. (2019) Nanoparticulate nickel-hosting phases in sulfidic environments: Effects of ferrous iron and bacterial presence on mineral formation mechanism and solid-phase nickel distribution. Frontiers in Earth Science, 7, 151.
Mansor M., Berti D., Hochella M.F., Murayama M., Xu J. (2019) Phase, morphology, elemental composition, and formation mechanisms of biogenic and abiogenic Fe-Cu-sulfide nanoparticles: A comparative study on their occurrences under anoxic conditions. American Mineralogist, 104, 703-717.
Eskelsen J., Xu J., Chiu M.Y., Moon J.W., Wilkins B.O., Graham D.E., Gu B., Pierce E.M. (2018). Influence of Structural Defects on Biomineralized ZnS Nanoparticle Dissolution: An In-Situ Electron Microscopy Study. Environmental Science & Technology, 52, 1139–1149.
Qin, Y., Guo, X., Tou, F., Pan, H., Feng, J., Xu, J., Chen, B., Yang, Y., Liu, M. (2017) Cytotoxicity of TiO2 nanoparticles toward Escherichia coli in an aquatic environment: Effects of nanoparticle structural oxygen deficiency and aqueous salinity. Environmental Science: Nano, 4, 1178-1188.
Xu, J., Veeramani, H., Qafoku, N., Singh, G., Pruden, A., Kukkadapu, R., Hochella, M. F. (2017) Efficacy of Acetate-Amended Biostimulation for Uranium Sequestration: Combined Analysis of Sediment/Groundwater Geochemistry and Bacterial Community Structure. Applied Geochemistry, 78, 172-185.
Baalousha, M., Yang, Y., Vance, M., Colman, B., McNeal, S., Xu, J., Blaszczak, J., Steele, M., Bernhardt, E., Hochella, M., (2016). Outdoor urban nanomaterials: The emergence of a new, integrated, and critical field of study. Science of The Total Environment, 557-558, 740-753.
Xu, J., Wang, J., Hong, M., Teng, H., (2016). Solution-chemistry control of Mg2+-calcite interaction mechanisms: Implication for biomineralization. American Mineralogist, 101(5), 1104–1112.
Xu, J., Murayama, M., Roco, C. M., Veeramani, H., Michel, F. M., Rimstidt, J. D., Winkler, C., Hochella, M. F., (2016). Highly-defective nanocrystals of ZnS formed via dissimilatory bacterial sulfate reduction: A comparative study with their abiogenic analogues. Geochimica et Cosmochimica Acta, 180, 1–14.
Hong, M., Xu, J., Teng, H., (2016). Evolution of calcite growth morphology in the presence of magnesium: Implications for the dolomite problem. Geochimica et Cosmochimica Acta, 172, 55–64.
Li Z., Xu J., Teng H.H., Liu L., Chen J., Chen Y., Zhao L., Ji J. (2015) Bioleaching of Lizardite by Magnesium-and Nickel-Resistant Fungal Isolate from Serpentinite Soils—Implication for Carbon Capture and Storage. Geomicrobiology Journal, 32 (2), 181-192.
Xu J., Yan C., Zhang F., Konishi H., Xu H., Teng H.H. (2013) Testing the cation-hydration effect on the crystallization of Ca–Mg–CO3 systems. Proceedings of the National Academy of Sciences, 110 (44), 17750-17755.
Xu J., Sahai N., Eggleston C.M., Schoonen, M.A.A. (2013) Reactive oxygen species at the oxide/water interface: Formation mechanisms and implications for prebiotic chemistry and the origin of life. Earth and Planetary Science Letters 363, 156-167.
Xu J., Campbell J.M., Zhang N., Hickey W.J., Sahai N. (2012) Did mineral surface chemistry and toxicity contribute to evolution of microbial extracellular polymeric substances? Astrobiology 12 (8), 785-798.
Xu J., Fan C., Teng H.H. (2012) Calcite dissolution kinetics in view of Gibbs free energy, dislocation density, and pCO2. Chemical Geology 322, 11-18.
Xu J., Stevens M.J., Oleson T.A., Last J.A., Sahai N. (2009) Role of oxide surface chemistry and phospholipid phase on adsorption and self-assembly: isotherms and atomic force microscopy. The Journal of Physical Chemistry C, 113 (6), 2187-2196.

Conference Presentations

Xu, J., Veeramani, H., Hochella, M.F. (2014) Biogenic and Abiogenic Sphalerite Nanoparticles: Crystal Structure, Stability, and Reactivity. Goldschmidt Conference, June 14th, 2014.
Hochella M.F., Xu J., Murayama M., Roco C. Measurements and Conceptual Models of the Reactivity of Bacteriogenic and Abiogenic Metal Sulfide Nanominerals. DOE Geoscience Research Meeting, May 15th, 2014.
Xu J., Hong M., Teng H.H. Relationship between Calcite Growth Morphology and Diffusion Behavior of Magnesium Ions. ACS National Meeting, Philadelphia, PA, 2012.
Xu J., Sahai N. The Development of Biofilms as a Shield against Mineral Surface Reactivity. Astrobiology Science Conference 2010, League City, TX.
Xu J., Schoonen M.A.A., Hylton S., Sahai N. Exploring the Formation Mechanisms of Reactive Oxygen Species in Oxide Particle Suspensions. Astrobiology Science Conference 2010, League City, TX.
Xu J., Hickey W.J., Sahai N. Did Extracellular Polymeric Substances Evolve to Shield Early Cells from the Toxicity of Minerals? Gordon Research Conference 2010, Galveston, TX.

Invited Talks

Xu J. Promise of Nanogeoscience Research in Achieving Environmental and Energy Sustainability. College of Science at University of Pennsylvania, Feb 19th, 2016.
Xu J. Think Big, Scrutinize the Small: Molecular-Level Processes at the Mineral-Cell-Water Interface in Geochemical Environment. Department seminar at Indiana University Purdue University-Indianapolis, Feb 23rd, 2015.
Xu J. The Role of Mg2+ in Controlling the Crystallization and Growth of Ca(-Mg)-CO3 Systems. Oak Ridge National Laboratory, July 8th, 2013.
Xu J. From Pseudomonas to Desulfovibrio: Interplay of Microbes and Nanominerals. The Asian Environmental Sustainability Forum at the University of Hong Kong, 2013.

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