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U. M. Hanke, Reddy, C. M., Braun, A. L. L., Coppola, A. I., Haghipour, N., McIntyre, C. P., Wacker, L., Xu, L., McNichol, A. P., Abiven, S., Schmidt, M. W. I., and Eglinton, T. I., What on Earth Have We Been Burning? Deciphering Sedimentary Records of Pyrogenic CarbonWhat on Earth Have We Been Burning? Deciphering Sedimentary Records of Pyrogenic Carbon, Environmental Science & Technology, vol. 51, no. 21, pp. 12972 - 12980, 2017.
G. Ian Ball, Xu, L., McNichol, A. P., and Aluwihare, L. I., A two-dimensional, heart-cutting preparative gas chromatograph facilitates highly resolved single-compound isolations with utility towards compound-specific natural abundance radiocarbon (14C) analyses, Journal of Chromatography A, vol. 1220, pp. 122-131, 2012.
H. A. McIntosh, McNichol, A. P., Xu, L., and Canuel, E. A., Source-age dynamics of estuarine particulate organic matter using fatty acid delta C-13 and Delta C-14 composition, Limnology and Oceanography, vol. 60, no. 2, pp. 611-628, 2015.
U. M. Hanke, Lima-Braun, A. L., Eglinton, T. I., Donnelly, J. P., Galy, V., Poussart, P., Hughen, K., McNichol, A. P., Xu, L., and Reddy, C. M., Significance of Perylene for Source Allocation of Terrigenous Organic Matter in Aquatic SedimentsSignificance of Perylene for Source Allocation of Terrigenous Organic Matter in Aquatic Sediments, Environmental Science & Technology, vol. 53, no. 14, pp. 8244 - 8251, 2019.
H. Shen, McNichol, A. P., Xu, L., Gagnon, A., and Heikes, B. G., Radiocarbon Analysis of Atmospheric Formaldehyde Using Cystamine Derivatization, ANALYTICAL CHEMISTRY, vol. 81, pp. 6310-6316, 2009.
E. K. Williams, Rosenheim, B. E., Allison, M., McNichol, A. P., and Xu, L., Quantification of refractory organic material in Amazon mudbanks of the French Guiana Coast, Marine Geology, vol. 363, pp. 93-101, 2015.
M. P. Bhatia, Das, S. B., Xu, L., Charette, M. A., Wadham, J. L., and Kujawinski, E. B., Organic carbon export from the Greenland ice sheet, Geochimica et Cosmochimica Acta, vol. 109, pp. 329-344, 2013.
L. Xu, Zheng, M., Ding, X., Edgerton, E. S., and Reddy, C. M., Modern and Fossil Contributions to Polycyclic Aromatic Hydrocarbons in PM2.5 from North Birmingham, Alabama in the Southeastern U.S., ENVIRONMENTAL SCIENCE & TECHNOLOGY, vol. 46, pp. 1422-1429, 2012.
A. S. Wozniak, Bauer, J. E., Dickhut, R. M., Xu, L., and McNichol, A. P., Isotopic characterization of aerosol organic carbon components over the eastern United States, Journal of Geophysical Research-Atmospheres, vol. 117, pp. D13303-D13303, 2012.
C. L. Follett, Repeta, D. J., Rothman, D. H., Xu, L., and Santinelli, C., Hidden cycle of dissolved organic carbon in the deep ocean, Proceedings of the National Academy of Sciences, vol. 111, no. 47, pp. 16706 - 16711, 2014.
M. Ya, Xu, L., Wu, Y., Li, Y., Zhao, S., and Wang, X., Fossil Fuel-Derived Polycyclic Aromatic Hydrocarbons in the Taiwan Strait, China, and Fluxes across the Air–Water InterfaceFossil Fuel-Derived Polycyclic Aromatic Hydrocarbons in the Taiwan Strait, China, and Fluxes across the AirWater Interface, Environmental Science & Technology, vol. 52, no. 13, pp. 7307 - 7316, 2018.
H. - T. Lin, Repeta, D. J., Xu, L., and Rappé, M. S., Dissolved organic carbon in basalt-hosted deep subseafloor fluids of the Juan de Fuca Ridge flank, Earth and Planetary Science Letters, vol. 513, pp. 156 - 165, 2019.
R. Bao, McNichol, A. P., McIntyre, C. P., Xu, L., and Eglinton, T. I., Dimensions of Radiocarbon Variability within Sedimentary Organic MatterABSTRACT, Radiocarbon, vol. 60, no. 03, pp. 775 - 790, 2018.
A. S. Wozniak, Bauer, J. E., Dickhut, R. M., Xu, L., and McNichol, A. P., Correction to" Isotopic characterization of aerosol organic carbon components over the eastern United States" (vol 117, D13303, 2012), Journal of Geophysical Research-Atmospheres, vol. 117, pp. D15399-D15399, 2012.
H. Shen, Heikes, B. G., Merrill, J. T., McNichol, A. P., and Xu, L., Coastal New England pilot study to determine fossil and biogenic formaldehyde source contributions using radiocarbon, JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, vol. 115, 2010.
X. Feng, Benitez-Nelson, B. C., Montluçon, D. B., Prahl, F. G., McNichol, A. P., Xu, L., Repeta, D. J., and Eglinton, T. I., C-14 and C-13 characteristics of higher plant biomarkers in Washington margin surface sediments, GEOCHIMICA ET COSMOCHIMICA ACTA, vol. 105, pp. 14-30, 2013.
P. K. Zigah, McNichol, A. P., Xu, L., Johnson, C., Santinelli, C., Karl, D. M., and Repeta, D. J., Allochthonous sources and dynamic cycling of ocean dissolved organic carbon revealed by carbon isotopes, GEOPHYSICAL RESEARCH LETTERS, vol. 44, no. 5, pp. 2407-2415, 2017.
X. Feng, Benitez-Nelson, B. C., Montluçon, D. B., Prahl, F. G., McNichol, A. P., Xu, L., Repeta, D. J., and Eglinton, T. I., 14C and 13C characteristics of higher plant biomarkers in Washington margin surface sediments, Geochimica et Cosmochimica Acta, vol. 105, pp. 14-30, 2013.