Bradley De Gregorio
US Navy
Current Projects
- Project 2: Origin and Evolution of Organic Matter in the Solar System — 2013 NAI
- Project 2: Origin and Evolution of Organic Matter in the Solar System — 2012 NAI
- Project 2: Origin and Evolution of Organic Matter in the Solar System — 2011 NAI
- Project 2: Origin and Evolution of Organic Matter in the Solar System — 2010 NAI
- Submicroscopic Studies of Microfossils and Fossilization Processes in Ancient Cherts — 2002 NAI
- View all 5 projects
NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
-
Publications
-
De GREGORIO, B. T., Stroud, R. M., Cody, G. D., Nittler, L. R., David Kilcoyne, A. L., & Wirick, S. (2011). Correlated microanalysis of cometary organic grains returned by Stardust. Meteoritics & Planetary Science, 46(9), 1376–1396. doi:10.1111/j.1945-5100.2011.01237.x
See Project See Project -
De Gregorio, B. T., Stroud, R. M., Nittler, L. R., Alexander, C. M. O. D., Kilcoyne, A. L. D., & Zega, T. J. (2010). Isotopic anomalies in organic nanoglobules from Comet 81P/Wild 2: Comparison to Murchison nanoglobules and isotopic anomalies induced in terrestrial organics by electron irradiation. Geochimica et Cosmochimica Acta, 74(15), 4454–4470. doi:10.1016/j.gca.2010.05.010
See Project See Project -
Herd, C. D. K., Blinova, A., Simkus, D. N., Huang, Y., Tarozo, R., Alexander, C. M. O., … Stroud, R. M. (2011). Origin and Evolution of Prebiotic Organic Matter As Inferred from the Tagish Lake Meteorite. Science, 332(6035), 1304–1307. doi:10.1126/science.1203290
See Project See Project See Project -
Nuevo, M., Milam, S. N., Sandford, S. A., De Gregorio, B. T., Cody, G. D., & Kilcoyne, A. L. D. (2011). XANES analysis of organic residues produced from the UV irradiation of astrophysical ice analogs. Advances in Space Research, 48(6), 1126–1135. doi:10.1016/j.asr.2011.05.020
See Project See Project See Project See Project See Project -
Papineau, D., De Gregorio, B. T., Stroud, R. M., Steele, A., Pecoits, E., Konhauser, K., … Fogel, M. L. (2010). Ancient graphite in the Eoarchean quartz-pyroxene rocks from Akilia in southern West Greenland II: Isotopic and chemical compositions and comparison with Paleoproterozoic banded iron formations. Geochimica et Cosmochimica Acta, 74(20), 5884–5905. doi:10.1016/j.gca.2010.07.002
See Project - Blinova, A.I., Herd, C.D.K., Zega, T., De Gregorio, B. & Stroud, R.M. (2009). Preliminary SEM and TEM study of pristine samples of Tagish Lake meteorite. Lunar and Planetary Science Conference XL. See Project
- Changela, H.G., Stroud, R.M., De Gregorio, B.T., Nittler, L.R. & Alexander, C.M.O.D. (2011). Nanoglobule abundances in IOM extracts: correlation with parent body processing. Meteoritics & Planetary Science (Supp.), Abstract #5504. See Project See Project
- De Gregorio, B.T., Alexander, C., Bassim, N.D., Cody, G.D., Kilcoyne, D., Nittler, L., Stroud, R. & Zega, T.J. (2009). Isotopically Anomalous Carbonaceous Nanoglobules in Meteorites and Comets. AGU Fall Meeting Abstracts, 14: 02. See Project
- De Gregorio, B.T., Nittler, L.R., Stroud, R.M., Alexander, C.M.O.d., Bassim, N., Cody, G.D., Kilcoyne, A.L.D., Milam, S., Nuevo, M., Sandford, S.A. & Zega, T.J. (2010). Isotopic and chemical variation of organic nanoglobules in primitive meteorites. Lunar and Planetary Science Conference, 41: Abstract #2108. See Project
- De Gregorio, B.T., Stroud, R.M., Nittler, L.R. & Cody, G.D. (2009). Variety of organic matter in Stardust return samples from comet 81P/Wild 2. Lunar and Planetary Science Conference XL. See Project
- De Gregorio, B.T., Stroud, R.M., Nittler, L.R., Cody, G.D., Alexander, C.M.O.D. & Herd, C.D.K. (2010). Isotopic and chemical variations on the nanoscale of distinct lithologies from the Tagish Lake meteorite. Meteoritics and Planetary Science Supplement, 73: Abstract #5398. See Project
- De Gregorio, B.T., Stroud, R.M., Nittler, L.R., Cody, G.D., Kilcoyne, A.L.D. & Wirick, S. (2011). Correlated microanalysis of cometary organic grains returned by Stardust. Lunar and Planetary Science Conference, 42: Abstract #1608. See Project
- Nittler, L.R., Alexander, C.M.O.D., Cody, G.D., De Gregorio, B.T., Kilcoyne, A.L.D., Stroud, R.M. & Tiwari, A. (2009). Micro-scale characteristics of insoluble organic matter In chondrites: A coordinated TEM, STXM, and SIMS study. Lunar and Planetary Science Conference, 40: Abstract #1145. See Project
- Papineau, D., De Gregorio, B.T., McMahon, G., She, Z., Maniscalco, L., Consolmagno, G. & Jackson, M. Clues for the origin of life on Earth in the Chassigny meteorite from Mars. Nature, 36. See Project
- Papineau, D., De Gregorio, B.T., Steele, A., Stroud, R.M. & Fogel, M.L. (2010e). Fluid-deposition of graphite with apatite in an Eoarchean banded iron formation from the Nuvvuagittuq Supracrustal Belt, Québec, Canada. Geochimica Et Cosmochimica Acta, A790. See Project
- View all 15 publications
-
Email:
bradley.degregorio.ctr@nrl.navy.mil -
Discipline
Early Earth History