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PUBLICATIONS

“The joy of discovery is certainly the liveliest that the mind of man can ever feel”

- Claude Bernard -

Articles in Peer-Reviewed Journals

  1. Chakraborty, S., Bruce Rude, M. Ahmed, and M. H. Thiemens, Carbon and oxygen isotopic fractionations in the products of low-temperature VUV photodissociation of carbon monoxide, Chemical Physics 514, 78, 2018.

  2. Ray, D., R. R. Mahajan, A.D. Shukla, T. K. Goswami and S. Chakraborty, Petrology, classifications, noble gases and cosmogenic records of Kamargaon (L6) meteorite: the latest fall in India, Meteoritics, and Planetary Sc., (doi: 10.1111/maps.12875) 2017.

  3. Chakraborty, S., Bruce Rude, T. Jackson, M. Ahmed, and M. H. Thiemens, Nitrogen isotopic fractionations in the low temperature (80K) vacuum ultraviolet photodissociation of N2, J. Chem. Phys. 145, 114302, 2016. 

  4. Chakraborty, S., T. L. Jackson, B. H. Muskatel, Musahid Ahmed, R.D. Levine and M. H. Thiemens, Nitrogen Isotopic Fractionation in VUV Photodissociation of N2: Implications for the Early Solar System, Proc. National Academy of Sciences, 111, 14704-14709, 2014.

  5. Thiemens, M.H., S. Chakraborty and T.L. Jackson, Decadal Δ17O Record of Tropospheric CO2: Verification of a Stratospheric Component in the Troposphere, Journal of Geophysical Research, 119 (10), 6221–6229, 2014.

  6. Chakraborty, S., P. Yanchulova, and M. H. Thiemens, Mass-independent oxygen isotopic partitioning during gas phase SiO2 formation, Science, 342, 463, 2013.

  7. Chakraborty S., T. L. Jackson, M. Ahmed, and M.H. Thiemens, Anomalous isotope effect in VUV photodissociation of Hydrogen Sulfide: Implications for chondrule and chondrite isotopic data, Proc. National Academy of Sciences, 110, 44, 17650-17655, 2013.

  8. Chakraborty, S., R. Davis, M. Ahmed, T. L. Jackson and M. H. Thiemens, Oxygen isotope fractionation in the vacuum ultraviolet photodissociation of carbon monoxide: wavelength, pressure and temperature dependency, J. Chem. Physics, 137, 024309, 2012.

  9.  Thiemens, M. H., S. Chakraborty and G. Dominguez, The physical chemistry of mass-independent isotope effects and their observation in nature, Annual Review of Physical Chemistry, 63, 155-177, 2012.

  10.  Burnett, D. S., and Genesis Science Team0F[1], Solar composition from the Genesis discovery Mission, Proceedings of National Academy of Sciences, 108, 19147-19151, 2011.

  11.  Chakraborty, S., M. Ahmed, T. L. Jackson and M. H. Thiemens, Response to the comment on “Experimental test of isotope self-shielding in vacuum ultraviolet photodissociation of CO”, Science, 324, 1516, 2009.

  12.  Chakraborty, S., M. Ahmed, T. L. Jackson and M. H. Thiemens, Experimental test of isotope self-shielding in vacuum ultraviolet photodissociation of CO, Science, 321, 1328-1331, 2008.

  13.  Kimura, Y., J. A. Nuth, S. Chakraborty and M. H. Thiemens, Non-Mass-Dependent Oxygen Isotopic Fractionation in Smokes Produced in an Electrical Discharge, Meteoritics & Planetary Science, 42, 1429-1439, 2007.

  14. S. Chakraborty, and S.K. Bhattacharya, Experimental investigation of oxygen isotope exchange between CO2 and O(1D) and its relevance to the stratosphere, J. Geophys. Res., 108(D23), 4724, doi:10.1029/2002JD002915, ACH 5-1-15, 2003.

  15. Bhattacharya, S. K., S. Chakraborty, J. Savarino, and M. H. Thiemens, Reply to comment by D. Krankowsky et al. on “Low-pressure dependency of the isotopic enrichment in ozone: Stratospheric implications” by S. K. Bhattacharya et al., J. Geophys. Res., 108(D16), 4504, doi:10.1029/2003JD003482, ACH 9-1-3, 2003.

  16. Supriyo Chakraborty, and S. Chakraborty, Isotopic fractionation of the O3-nitric oxide reaction, Current Science, 85(8), 2003, 1210-1212, 2003.

  17. Chakraborty, S., and S.K. Bhattacharya Reply to ‘Comment on ‘Oxygen Isotopic Anomaly in Surface Induced Ozone Dissociation’ [Chem. Phys. Lett., 369 (2003) 662]’, Chem. Phys. Lett., 379, 592 –594, 2003.

  18. Chakraborty, S., and S.K. Bhattacharya, Mass Independent Isotopic Fractionation: Recent Development, Current Science, 84 (6), 766-774, 2003.

  19. Chakraborty, S., and S.K. Bhattacharya, Oxygen Isotopic Anomaly in Surface Induced Ozone Dissociation, Chem. Phys. Lett., 369, 662-667, 2003. [Erratum: Chem. Phys. Lett., 371, 229-230, 2003].

  20. Chakraborty, S., and S.K. Bhattacharya, Oxygen Isotopic Fractionation During UV and Visible Light Photo-Dissociation of Ozone, J. Chem. Phys., 118, 2164-2172, 2003.

  21. Bhattacharya, S.K., S. Chakraborty, J. Savarino, and M.H. Thiemens, Low-pressure dependency of the isotopic enrichment in ozone: Stratospheric implications, J. Geophys. Res., 107(D23), 4675, doi:10.1029/2002JD002508, ACH 4-1-10, 2002.

Articles under review/revision

  1. Sæmundur A. Halldórsson, David R. Hilton, Subrata Chakraborty, Paolo Scarsi, Tsegeye Abebe, Jens Hopp, the Widespread occurrence of recycled volatiles in the sub-continental lithospheric mantle of the East African Rift system - Evidence from the He-Ar-CO2-N2-O systematics of mantle xenoliths (Under Revision in J. of Petrology), 2017.

  2. D. Ray, R.R. Mahajan, A.D. Shukla, T.K. Goswami and S. Chakraborty, Petrology, classification, noble gases and cosmogenic records of Komar Gaon meteorite, Meteoritics & Planetary Science (Under Review).

  3. Chakraborty, S., Tom English, ES&H Risk Estimation from “Interim Storage” of SNF at the Beach: The San Onofre NPP, WM Symposia 2019, March 3-7, Phoenix, AZ (Under Review).

Article in a book (peer-reviewed)

  1. Semenov Dmitry, Subrata Chakraborty and Mark H. Thiemens, Chemical evolution of the solar nebula in Protoplanetary Dust the astrochemical and astrochemical perspectives (Book Chapter# 4) (Editors: Dániel Apai, Dante Lauretta), Cambridge University Press ISBN: 978-0-521-51772-0, 2010.

 

Articles under preparation (for the peer-reviewed journal)

  1. Chakraborty, S., T. Jackson, Bruce Rude, M. Ahmed, and M. H. Thiemens, Meteoritic organic like sulfur isotopic composition from VUV photodissociation of SO2: Constrain on organic formation in the solar nebula, Science, 2019 (In Preparation).

  2. Chakraborty, S., Understanding Titan’s Atmospheric Isotope Inventory through Laboratory Photolysis Experiments using Vacuum Ultraviolet Photons from Advanced Light Source Synchrotron, ApJ Letters, 2019 (In Preparation).

  3.  Chakraborty, S, with Thiemens Group, Isotope signature of primary Sulfate formation in jet engine exhaust in control experiments and in LAX airport (In preparation). 

  4. Chakraborty, S. and M. H. Thiemens, Design and testing of newly build laser ablation system capable of measuring triple-oxygen isotopes in nano-mole level (In Preparation for Rapid Comm. Mass Spectrometry).

  5. Nunn, M., S. Chakraborty and M. H. Thiemens, Oxygen Isotopic Effects of Ion-Molecule Reactions and Implications on Interstellar Molecular Cloud Chemistry (under preparation for Astrophysical Journal Letters).

 

Articles (full) in conference proceedings (non-peer-reviewed)

  1. Chakraborty, S., and M.H. Thiemens, Oxygen Isotopes in the Solar System, Proceedings of the 3rd   International Symposium on Isotopomers (ISI2006), La Jolla, CA, USA, 27-31 August 2006 (DOI: 10.13140/2.1.2940.1281).

  2.  Chakraborty, S., and S.K. Bhattacharya, Oxygen isotopic fractionation in photo-dissociation of ozone and transfer of MIF signature to other molecules: recent laboratory results, Proceedings of 2nd International Symposium on Isotopomers (ISI2003), 25-33, Streste, Italy, Nov 4 to 7, 2003 (DOI: 10.13140/2.1.3333.3444).

  3.  Chakraborty, S., and S.K. Bhattacharya, Oxygen Isotopic Anomaly in Ozone Dissociation on Glass Surface, Proceedings of Ist International Symposium on Isotopomers (ISI 2001), Yokohama, Japan, 23-26 July 2001 (DOI: 10.13140/2.1.3091.6800).

  4.  Bhattacharya, S.K., S. Chakraborty, J. Savarino, and M.H. Thiemens, Pressure Dependence of Isotopic Enrichment in Ozone Formed by Photolysis of Oxygen, Proceedings of Ist International Symposium on Isotopomers (ISI 2001), Yokohama, Japan, 23-26 July 2001 (DOI: 10.13140/2.1.2567.3923).

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Abstracts in conference proceedings

  1. Peters, S.T.M., Chakraborty, S., Jackson, T., Almeida, N. Thiemens, M.H., The nebular snow line recorded by photochemical sulfur in iron meteorites, AGU Fall Meeting, San Francisco, December 9-13, 2019.

  2. Chakraborty S., and Thomas English, ES&H Risk Estimation from “Interim Storage” of SNF at the Beach: The San Onofre NPP, WM Symposia, Phoenix, AZ, 3-7 March 2019.

  3. Chakraborty S., and M. H. Thiemens, Mineral Formation and Growth with Anomalous Oxygen Isotopic Composition on Siliceous Dust Surfaces, Lunar Planetary Science Conference XXXIX, Houston, 19-23 March 2018.

  4. Chakraborty S., and M. H. Thiemens, Photochemistry of Volatiles in the Solar Nebula, 80th Annual Meeting of The Meteoritical Society, Santa Fe, New Mexico, 24-28 July 2017.

  5. A. Basu Sarbadhikari, R. R. Mahajan, P. Das, S. Chakraborty, E. V. S. S. K. Babu, T. Vijaya Kumar, and M. S. Sisodia, New Constraints of the Petrogenesis of Piplia Kalan Meteorite, 80th Annual Meeting of The Meteoritical Society, Santa Fe, New Mexico, 24-28 July 2017.

  6. Chakraborty S., Christopher Immekus, and M. H. Thiemens Investigating Formation and Evolution of Titan’s Atmosphere through its Isotopic Inventory and New Photochemical Studies, Lunar Planetary Science Conference XXXVIII, Houston, 20-24 March 2017.

  7. Chakraborty S., Teresa L. Jackson1, Bruce Rude2, Musahid Ahmed2 and M. H. Thiemens, Sulfur Isotopic Fractionation in VUV Photolysis of Sulfur Dioxide:  Implication for Meteorite Data, Lunar Planetary Science Conference XXXVIII, Houston, 20-24 March 2017.

  8. Chakraborty S., Teresa L. Jackson1, Bruce Rude2, Musahid Ahmed2 and M. H. Thiemens, Sulfur Isotopic Fractionation During Vacuum Ultraviolet Photolysis of SO2:  Implication for Meteorites and Early Earth, AGU Fall Meeting, San Francisco, CA, 12-16 Dec. 2016.

  9. Haiyang Kehoe, Chakraborty S., T. Pham, E. Alvarado and M. H. Thiemens, Δ17O Trends of Collected Atmospheric CO2 Resulting from Seasonal Changes in the Biosphere, AGU Fall Meeting, San Francisco, CA, 12-16 Dec. 2016.

  10. D. Gardner, Chakraborty S. and M. H. Thiemens, Isotope Effect in Ozone Formation: Assessing the Relationship Between Photon Energy and Stabilization, AGU Fall Meeting, San Francisco, CA, 12-16 Dec. 2016.

  11. Chakraborty S., Haiyang Kehoe and M. H. Thiemens, New experimental evidence of silicate formation with meteorite like oxygen isotopes on a dust surface analog, Lunar Planetary Science Conference XXXVII, Houston, 21-25 March 2016.

  12. Chakraborty, S., Understanding Titan’s atmospheric isotope inventory through laboratory photolysis experiments using vacuum ultraviolet photons from Advanced Light Source synchrotron, AGU Fall Meeting, San Francisco, CA, 14-18 Dec. 2015.

  13. Chakraborty S., T. L. Jackson, Bruce Rude, Musahid Ahmed and M. H. Thiemens, Isotopic fractionation during low temperature  (80 K) VUV photodissociation of nitrogen: Connection to isotopic heterogeneity in the solar nebula, Goldschmidt Conference, Sacramento, Prague, CZ, 16-21 Aug. 2015.

  14.   Chakraborty S., T. L. Jackson, Bruce Rude, Musahid Ahmed and M. H. Thiemens, Low Temperature (80K) Vacuum Ultraviolet Photodissociation of Nitrogen: Isotopic Fractionations and Significance for Solar Nebular Chemistry, Abs# 1519, Lunar Planetary Science Conference XXXVI, Houston, 16-20 March 2015.

  15.   Chakraborty S., Bruce Rude, Musahid Ahmed and M. H. Thiemens, Carbon Isotopic Fractionation During Low Temperature (80K) Vacuum Ultraviolet Photodissociation of Carbon Monoxide: Relevance for the Solar Nebula, Abs# 1504, Lunar Planetary Science Conference XXXVI, Houston, 16-20 March 2015.

  16.   Chakraborty, S, with Thiemens Group, Tracing the Impact of Aviation on the Atmospheric Nitrate with Oxygen Triple Isotopes, AGU Fall Meeting (Abs ID: 18952), San Francisco, 15-19 Dec. 2014.

  17. Thiemens, M. H. and S. Chakraborty, The Origin of Mass Independent Isotopic Anomalies In The  Early Solar System, International Symposium on Isotopomers (ISI-2014), Tokyo, Japan, July 2014.

  18. Chakraborty S., T. L. Jackson, B. H. Muskatel, Musahid Ahmed, Bruce Rude, R.D. Levine and M. H. Thiemens, Synthesis of 15N Enriched NH3 Through N2 Photolysis: Relevance to N-Enriched Meteoritic Organics (Gold2014: abs:3002), Goldschmidt Conference, Sacramento, CA 8-13 June 2014.

  19. Chakraborty S., M. Ahmed, T. L. Jackson and M.H. Thiemens, Mass-Independent Sulfur Isotopic Fractionation at Lyman-Alpha Photodissociation of H2S and Relevance to Meteorites (Gold2014: abs:3018), Goldschmidt Conference, Sacramento, CA 8-13 June 2014.

  20. Chakraborty S., Petia Yanchulova, and M.H. Thiemens, Role of symmetry in mass-independent oxygen isotopic composition in laboratory synthesized silicates, Abs# 2387, Lunar Planetary Science Conference XXXV, Houston, 17-21 March 2014.

  21. Chakraborty S., T. L. Jackson, B. H. Muskatel, Musahid Ahmed, Bruce Rude, R.D. Levine and M. H. Thiemens, Are organic macromolecules in meteorites formed within the solar system?, Abs# 2452, Lunar Planetary Science Conference XXXV, Houston, 17-21 March 2014.

  22. Halldórsson, S. A., D. R. Hilton, P. Scarsi, T. Abebe, J. Hopp, S. Chakraborty, Deep carbonate recycling and metasomatic enrichment of the sub-continental lithospheric mantle inferred from mantle xenoliths of the East African Rift system, 23rd V. M. Goldschmidt Conference, Florence, Italy, 26-30 August 2013.

  23. Chakraborty S., Petia Yanchulova, J. Aguilar and M.H. Thiemens, Mass-independent oxygen isotopic composition in laboratory synthesized silicates via gas-phase and surface assisted reactions: Cosmochemical implications, Abs# 1042, Lunar Planetary Science Conference XXXIV, Houston, 18-22 March 2013.

  24. Chakraborty S., T. L. Jackson, B. H. Muskatel, Musahid Ahmed, R.D. Levine and M. H. Thiemens, Huge isotope effect in VUV photodissociation of N2: Implications for meteorite data, Abs# 1043, Lunar Planetary Science Conference XXXIV, Houston, 18-22 March 2013.

  25. Chakraborty S., R. Davis, M. Ahmed, T. L. Jackson and M.H. Thiemens, Mass-independent sulfur isotopic fractionation in VUV photodissociation of H2S: implications for meteorite data, 22nd V. M. Goldschmidt Conference, Montréal, Canada, 24-29 June 2012. 

  26. Chakraborty S., Petia Yanchulova and M.H. Thiemens, Laboratory observation of mass-independent oxygen isotopic composition in solid silicates through gas phase reaction: Cosmochemical Implications, Abs# 2300, Lunar Planetary Science Conference XXXIII, Houston, 19-23 March 2012.

  27. Chakraborty S., T. L. Jackson, B. H. Muskatel, Musahid Ahmed, R.D. Levine and M. H. Thiemens, Nitrogen isotopic fractionation in VUV photodissociation of N2: Implications for the early solar system, Abs# 2347, Lunar Planetary Science Conference XXXIII, Houston, 19-23 March 2012.

  28. Chakraborty S., R. Davis, M. Ahmed, T. L. Jackson and M.H. Thiemens, Temperature and wavelength dependent oxygen isotopic fractionation in the VUV photodissociation of CO: Implications for the solar nebula, Abs# 1559, Lunar Planetary Science Conference XXXII, Houston, 7-11 March 2011.

  29. Chakraborty S., R. Davis, M. Ahmed, T. L. Jackson and M.H. Thiemens, Anomalous isotope effect in VUV photodissociation of Hydrogen Sulfide: Implications for chondrule and chondrite isotopic data, Abs# 1569, Lunar Planetary Science Conference XXXII, Houston, 7-11 March 2011.

  30. Dominguez, G., T. Jackson, S. Chakraborty, and M. H. Thiemens, Measuring and modeling equilibrium and non-equilibrium isotope effects on cold dust grain surface, Abs# 2485, Lunar Planetary Science Conference XXXII, Houston, 7-11 March 2011. 

  31. Dominguez, G., S. Chakraborty, T. Jackson and M. H. Thiemens, A heterogeneous chemical origin for the mass-independent distribution of oxygen isotopes in the solar system, AGU Fall Meeting, San Francisco,13-17 Dec 2010.

  32. Chakraborty S., R. Davis, M. Ahmed, T. L. Jackson and M.H. Thiemens, Oxygen isotope effect dominated by VUV photodissociation dynamics of CO: Implications for nebular CO Photolysis, Abs# 5148, 73rd Meteoritical Society Meeting, New York, 26-30 July 2010.

  33. Thiemens, M. H. and S. Chakraborty, Decadal Record of 17O, 18O isotopic composition of tropospheric carbon dioxide: Application for resolving upper atmosphere photochemistry and determination of carbon reservoir transfer rates, 5th International Symposium on Isotopomers (ISI-010), Amsterdam, The Netherlands, 21-25 June 2010.

  34. Chakraborty S., R. Davis, M. Ahmed, T. L. Jackson and M.H. Thiemens, Wavelength-dependent oxygen isotopic fractionation in the VUV photodissociation of CO: An early solar system perspective, Abs# 2077, Lunar Planetary Science Conference XXXI, Houston, 1-5 March 2010.

  35. Chakraborty S., and M. H. Thiemens, Accidental predissociation: A special case of photo-induce isotope fractionation effect and possible occurrence in nature, AGU Fall Meeting, San Francisco,14-18 Dec 2009.

  36. Chakraborty S., M. Ahmed, G. Dominguez and M.H. Thiemens, Oxygen isotopic fractionation in vacuum ultraviolet photodissociation of CO: Lack of self-shielding and relevance to the early solar system, Abs# 2075, Lunar Planetary Science Conference XXXX, Houston, 23-27 March 2009.

  37. Chakraborty S., M. Ahmed, T. L. Jackson and M.H. Thiemens, Anomalous oxygen isotopic fractionation in vacuum ultraviolet photodissociation of carbon monoxide and test of self-shielding: Relevance for meteorite oxygen isotopes, AGU Fall Meeting, San Francisco,14-19 Dec 2008.

  38. Chakraborty S., M. Ahmed, T. L. Jackson and M.H. Thiemens, First experimental test of self-shielding in VUV photodissociation of CO: Relevance for meteorite oxygen isotopes, 4th International Symposium on Isotopomers, Tokyo, Japan, 5-8 October 2008.

  39. Chakraborty S., M. Ahmed, T. L. Jackson and M.H. Thiemens, Vacuum ultraviolet photodissociation of carbon monoxide: Relevance for meteorite oxygen isotopes, Advanced Light Source Users Meeting, Berkeley, 13-15 October 2008.

  40. Chakraborty S., M. Ahmed, T. L. Jackson and M.H. Thiemens, Experimental test of isotope self-shielding in VUV photodissociation of CO, Abs# 1145, Lunar Planetary Science Conference XXXIX, Houston, 9-13 March 2008.

  41. Chakraborty S., Oxygen isotopes in the solar system: Analysis of recent findings, Diamond Jubilee Conference: Terrestrial Planets: Evolution through Time, PRL, Ahmedabad, 22-25 January 2008.

  42. Chakraborty S. and Yuki Kimura, Oxygen isotopic study of smoke particles synthesized in RF plasma, Diamond Jubilee Conference: Terrestrial Planets: Evolution through Time, PRL, Ahmedabad, 22-25 January 2008.

  43. Chakraborty S., Mass-independent oxygen isotopic fractionation in gas phase oxidation of Si and SiO: Laboratory observations and cosmochemical implications, National Space Science Symposium, Ooty, 26-29 February 2008.

  44. Chakraborty S., Laser ablation miniature time-of-flight mass spectrometer (LAMMS) payload for Chandryaan-II rover for in-situ elemental and isotopic composition of the lunar surface, National Space Science Symposium, Ooty, 26-29 February 2008.

  45. Kimura Yuki, S. Chakraborty, Mark H Thiemens, J. Nuth, Laboratory synthesized silicate grains with mass dependent and independent oxygen isotopic fractionation, Japan Geological Society Meeting, 2008.

  46. Chakraborty S. and M.H. Thiemens, A laboratory observation of mass-independent oxygen isotopic fractionation in the gas phase: Cosmological implications, Diamond Jubilee Conference: Terrestrial Planets: Evolution through Time, PRL, Ahmedabad, 22-25 January 2008.

  47. Pandey, A., S. K. Bhattacharya and S. Chakraborty, Effect of Nuclear spin on oxygen isotopic exchange between CO2 and O(1D), Abs# EGU2007-A-01832, European Geophysical Union (EGU) General Assembly 2007, Vienna, Austria, 16-20 April 2007

  48. Chakraborty S., M. Ahmed, and M.H. Thiemens, Wavelength-dependent isotopic fractionation in CO photolysis: Experimental findings relevant to the solar nebula, Abs# 1264, Lunar Planetary Science XXXVIII Conference, Houston, 12-16 March 2007.

  49. Kimura, Y., Joseph A. Nuth III, Subrata Chakraborty, Mark H. Thiemens, Synthesis Experiment of Refractory Oxide Grains with Non-Mass dependent Oxygen Isotopic Fractionation, The Japanese Society for Planetary Sciences 2006 Autumn Meeting, Kobe Japan, 18-20 October 2006.

  50. Kimura, Y., Joseph A. Nuth III, Subrata Chakraborty, Mark H. Thiemens, Silicate Grain Formation with Non-Mass Dependent Oxygen Isotopic Fractionation, 32nd National Conference on Crystal Growth, Osaka, Japan 1-3 November 2006.

  51. Chakraborty S. and M.H. Thiemens, Oxygen isotopes in the solar system: Recent experimental observations, ISI2006 (International Symposium on Isotopomers), La Jolla, CA, USA, 27-31 August 2006.

  52. Kimura, Y., Joseph. A. Nuth, S. Chakraborty and M.H. Thiemens, Non-mass dependent oxygen isotopic fractionation of silicate grains during grain formation in various environments, 19th IMA2006 (General Meeting of the International Mineralogical Association; Expansion of Nano, Bio and Planetary World), Kobe, Japan July 23-28, 2006.

  53. Chakraborty, S., M.H. Thiemens, Joseph. A. Nuth and Yuki Kimura, Non-mass dependent oxygen isotopic composition of refractory oxide dust produced by a gas phase chemical process: Implications for the evolution of the solar nebula, European Geophysical Union (EGU) General Assembly 2006, Vienna, Austria, 2-7 April 2006.

  54. Chakraborty S. and M.H. Thiemens, Isotopic fractionation associated with photochemistry of CO: Experimental findings relevant to the solar nebula, Abs# 1436, Lunar Planetary Science XXXVII Conference, Houston, 13-17 March 2006. 

  55. Nuth, J.A., Yuki Kimura, M.H. Thiemens and Subrata Chakraborty, Non-mass dependent oxygen isotopic fractionation of refractory oxide dust produced in an electrical discharge, Abs# 1077, Lunar Planetary Science XXXVII Conference, Houston, 13-17 March 2006. 

  56. Chakraborty, S., M.H. Thiemens, Joseph. A. Nuth and Yuki Kimura, Non-mass dependent oxygen isotopic fractionation of refractory oxide dust produced by a chemical process, Abs# 1389, Lunar Planetary Science XXXVII Conference, Houston, 13-17 March 2006.

  57. Chakraborty, S., M.H. Thiemens, Joseph. A. Nuth and Yuki Kimura, Non-mass dependent oxygen isotopic composition of refractory oxide dust produced by a gas phase chemical process: Implications for the evolution of the solar nebula, European Geophysical Union (EGU) General Assembly 2006, Vienna, Austria, 2-7 April 2006.

  58. Chakraborty S and M.H. Thiemens, Evaluation of CO self-shielding as a possible mechanism for anomalous oxygen isotopic composition of early solar system materials, Abs# 1113, Lunar Planetary Science XXXVI Conference, Houston, 14-18 March 2005.

  59. Chakraborty, S. and S.K. Bhattacharya, Chakraborty, S., and S.K. Bhattacharya, Oxygen isotopic exchange between CO2 and O(1D): A laboratory investigation, ISI2003 (2nd International Symposium on Isotopomers), Stresa, Italy, 4-6 November 2003.

  60. Bhattacharya, S. K., and S. Chakraborty, Wavelength-dependent isotopic fractionation of ozone during UV photo-dissociation, ISI2003 (2nd International Symposium on Isotopomers), Stresa, Italy, 4-6 November 2003.

  61. Chakraborty, S. and S.K. Bhattacharya, Mass-independent oxygen isotopic fractionation during UV photo-dissociation of ozone, pp. 585, ISMAS-SJS-2003, 27-31 January 2003.

  62. Chakraborty, S. and S.K. Bhattacharya, Oxygen isotopic anomaly in surface assisted ozone dissociation, 1st ISI-2001 conference. [Extended abstract], 23-26 July 2001.

  63. Bhattacharya, S.K., S. Chakraborty, Savarino, J. and Thiemens, M.H., Pressure effect in ozone formation by UV photolysis of oxygen, 1st ISI-2001 conference. [Extended abstract], 23-26 July 2001.

  64. Chakraborty, S. and S.K. Bhattacharya, Oxygen isotope enrichment in ozone formed by UV photolysis. 9th ISMAS Workshop on Mass Spectrometry, 12-16 December 2000.

  65. Ghosh, P., S. Chakraborty, R.A Jani, P. Gupta, and S.K. Bhattacharya, S.K., Continental evidence of a strong monsoonal intensity at 4 Ma. 8th ISMAS symposia on Mass Spectrometry, 7-9 December 1999.

  66. Singh, U. K., M.S. Sisodia, A.D. Shukla, S. Chakraborty, K.M. Suthar, M.H. Dixit, P.N. Shukla, and N. Bhandari, Lohawat howardite: chemical and mineralogical characteristics and cosmogenic records. 61st Annual Meteoritical Society Meeting, X-X 1998.

  67. Paliwal, B.S., V.K. Vaya, A.D. Shukla, S. Chakraborty, K.M. Suthar, M.H. Dixit, P.N. Shukla, and N. Bhandari, Cosmogenic records in Didwana - Rajod meteorite. 61st Annual Meteoritical Society Meeting, 27-31 July 1998.

  68. Sisodia, M.S., U.K. Singh, N. Bhandari, S. Chakraborty and A.D. Shukla, The origin of the Siliceous Earth of Barmer, India and its relevance to K/T boundary problem. International Conference on Isotopes in the Solar System, PRL, Ahmedabad. 119-120, 20-24 December 1997.             

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[1] S. Chakraborty is a Genesis Science team member since 2004 [http://www.pnas.org/content/suppl/2011/05/06/1014877108.DCSupplemental/pnas.1014877108_SI.pdf]

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