Poopalasingam Sivakumar

P. Sivakumar, A. Fernandez-Bravo, L. Taleh, J.F. Biddle, and N. Melikechi, "Detection and Classification of Live and Dead Escherichia coli by Laser-Induced Breakdown Spectroscopy", Astrobiology 15 (2015) 144-153.

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A. Fernandez-Bravo, P. Sivakumar, N. Melikechi, H. Abdou,and A. Mohamed, "Femtosecond Laser Ablation Synthesis of Organometallic Gold Nanoparticles", Organometallics (2015) (Submitted).

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Conference Paper 3. Piyush Sharma,Gary Holness, Poopalasingam Sivakumar, Yuri. Markushin, and Noureddine Melikechi, "Investigating Manifold Neighborhood size for Nonlinear analysis of LIBS Amino Acid Spectra.", 24th International Conference on Software Engineering and Data Engineering (SEDE 2015), California, USA.

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Y. Markushin, P. Sivakumar, D. Connolly, and N. Melikechi, "Tag-Femtosecond Laser- Induced Breakdown Spectroscopy for the Sensitive Detection of Cancer Antigen 125 in Blood Plasma", Anal Bioanal Chem 407 (2015) 1849-1855.

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S. Farhana, P. Sivakumar, J. Weekes, N. Melikechi, M. S. Hossain, and Fluman, M. M. Rana, " Determination of Metals in Leachate by Laser-Induced Breakdown Spectroscopy.", The Journal of Solid Waste Technology and Management 40(2014)

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D. D. Pokrajac, P. Sivakumar, Yuri. Markushin, D. Milovic, M. Rana, G. Holness, J. Liu, and N. Melikechi, "Towards Optimal Classifier of Spectroscopy Data.", In proceedings: 1st IcETRAN, June 2-5 (2014), Serbia.

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P. Sivakumar, L. Taleh, Y. Markushin, and N. Melikechi, "Packing Density Effects on the Fluctuations of the Emission Lines in Laser-Induced Breakdown Spectroscopy", Spectrochimica Acta Part B 92 (2014) 84-89.

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S. Farhana, P. Sivakumar, J. Weekes, N. Melikechi, M. S. Hossain, and Fluman, M. Rana, "Laser Induced Breakdown Spectroscopy: A New Method for Determing Metal in Leachate.", In proceedings: 28th International Conference on Solid Waste technology & Management, March 10-13 (2013), Philadelphia, PA, USA.

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P. Sivakumar, L. Taleh, Y. Markushin, and N. Melikechi, "Experimental Observation of the Different Behavior of Ionic and Neutral Lines of Iron as a Function of Number Density in a Binary Carbon-Iron Mixture" , Spectrochimica Acta Part B. 82 (2013)

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C. McRaven, P. Sivakumar, and N.E. Shafer-Ray, "Multiphoton Ionization of Lead Mono Fluoride Resonantly Enhanced by the X1 21/2 B 21/2 Transition", Phys.Rev.A 75, 024502 (2007).

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P. Sivakumar, C. McRaven, and N.E. Shafer-Ray, "State-Selective Detection of the PbF Molecule by Doubly Resonant Multiphoton Ionization", Phys.Rev.A 77, 062508

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C. P. McRaven, P. Sivakumar, N. E. Shafer-Ray, G. E. Hall and T. J. Sears, "Spectro- scopic Constants of the Known Electronic States of Lead Mono-Fluoride", J. Molec.

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C. McRaven, P. Sivakumar, and N.E. Shafer-Ray, "Experimental Determination of the Hyper Fine Constants of the X1 and A States of 207Pb19F", Phys.Rev.A 78, 054502

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P. Sivakumar, C.P. McRaven, P.M. Rupasinghe, T.Zh. Yang, N.E. Shafer-Ray, T.J. Sears and G.E. Hall, "Pseudo-Continuous Resonance Enhanced Multiphoton Ionization: Application to the Determination of the Hyper Fine Constants of 208Pb19F". Mol.

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