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Records 1 to
25
of 78 records from author Leon Betowski
2018
Jones-Lepp, T., V. Taguchi, W. Sovocool, Don Betowski, P. DeArmond, B. Schumacher, W. Winnik, R. McMillin, AND C. Armstrong. Novel contaminants identified in fish kills in the Red River watershed, 2011–2013. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY. Society of Environmental Toxicology and Chemistry, Pensacola, FL, 37(2):336-344, (2017).
2017
Betowski, Don. Predicted phototoxicities of carbon nano-material by quantum mechanical calculations. Journal of Molecular Graphics and Modelling. Elsevier B.V., Amsterdam, Netherlands, 75:102-105, (2017).
Betowski, Don AND D. Aue. The Application of Computational Chemistry to Problems in Mass Spectrometry. Spectroscopy. UBM Life Sciences, Iselin, NJ, 15(2):24-28, (2017).
2015
Betowski, Don. Predicted phototoxicities of carbon nano-material by quantum mechanical calculations. Presented at SETAC, Salt Lake City, UT, November 01 - 05, 2015.
2014
Jones-Lepp, T., W. Sovocool, Don Betowski, P. DeArmond, V. Taguchi, AND C. Rosal. Oklahoma Fish Kill Study: Looking for a Toxic Needle in an Environmental Haystack. Presented at American Society of Mass Spectrometry, Baltimore, MD, June 14 - 19, 2014.
Jones-Lepp, T., Don Betowski, C. Rosal, W. Sovocool, P. DeArmond, AND V. Taguchi. Oklahoma Fish Kill Study: Looking for a Toxic Needle in an Environmental Haystack . Presented at 62nd ASMS Conference on Mass Spectrometry and Allied Topics, Baltimore, MD, June 15 - 19, 2014.
2012
BETOWSKI, L. D. MS-MS Approaches for the Analysis of Environmental Pollutants. Chapter 4, A. T. Lebedev (ed.), Comprehensive Environmental Mass Spectrometry. ILM Publications, SAINT ALBANS, HERTFORDSHIRE, Uk, 12:528-570, (2012).
2010
ROSAL, C. G., L. D. BETOWSKI, AND E. Siska. UV Filters and Toursim: Their Impact on the Environment. Presented at 2010 International Chemical Congress of Pacific Basin Societies, Honolulu, HI, December 15 - 20, 2010.
2009
BETOWSKI, L. D. Computational Chemistry Applied to Environmental Analytical Chemistry. Presented at Special International Journal of Mass Spectrometry Symposium, Santa Barbara, CA, June 18 - 20, 2009.
BETOWSKI, L. D., M. Enlow, AND D. H. Aue. Electron Affinities of Chlorinated Hydrocarbons and Their Electron Capture Structures. Presented at Lake Arrowhead Conference on Ion Chemistry and Mass Spectrometry, Lake Arrowhead, CA, January 16, 2009.
ROSAL, C. G., L. D. BETOWSKI, J. Romano, J. Neukom, D. Wesolowski, AND L. Zintek. THE DEVELOPMENT AND INTER-LABORATORY VERIFICATION OF LC-MS LIBRARIES FOR ORGANIC CHEMICALS OF ENVIRONMENTAL CONCERN. TALANTA. Elsevier Science Ltd, New York, NY, 79:810-817, (2009).
2008
ROSAL, C. G. AND L. D. BETOWSKI. Parabens and Sunscreens in the Environment: Determination by HPLC-ESI-MS/MS and GC-MS and Calculation of Phototoxicity. Presented at 56th American Society of Mass Spectrometry, Denver, CO, June 01 - 05, 2008.
ROSAL, C. G. AND L. D. BETOWSKI. Sunscreen Agents in the Environment: Determination by HPLC-ESI-MS/MS and GC-MS and Calculation of Phototoxicity. Presented at Western Regional Conference of the American Chemical Society, Las Vegas, NV, September 24, 2008.
2006
Betowski, L D., M. Enlow, L A. Riddick, AND D. H. Aue. CALCULATION OF ELECTRON AFFINITIES OF POLYCYCLIC AROMATIC HYDROCARBONS AND SOVATION ENERGIES OF THEIR ANIONS. JOURNAL OF PHYSICAL CHEMISTRY A. American Chemical Society, Washington, DC, 110(47):12927-12946, (2006).
BETOWSKI, L. D., M. ENLOW, AND D. H. AUE. ELECTRON AFFINITIES OF POLYNUCLEAR AROMATIC HYDROCARBONS AND NEGATIVE ION CHEMICAL IONIZATION SENSITIVITIES. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES. Elsevier Science Ltd, New York, NY, 255-256:123-129, (2006).
2003
Betowski, L D. AND M. Enlow. A HIGH-LEVEL CALCULATION OF THE PROTON AFFINITY OF DIBORANE. JOURNAL OF MOLECULAR STRUCTURE: THEOCHEM 638(1-3):189-195, (2003).
Betowski, L D., M. Enlow, L A. Riddick, T W. Collette, AND J. C. D'Angelo. THE MODELING OF THE FATE AND TRANSPORT OF ENVIRONMENTAL POLLUTANTS. Presented at Devils's Hole Workshop and Death Valley Regional Flow Model, Death Valley, CA, May 22, 2003.
2002
Betowski, L D., M. Enlow, AND L A. Riddick. THE PHOTOTOXOICITY OF POLYCYCLIC AROMATIC HYDROCARBONS: A THEORETICAL STUDY OF EXCITED STATES AND CORRELATION TO EXPERIMENT. COMPUTERS AND CHEMISTRY 26(4):371-377, (2002).
2001
Betowski, L D., M. Enlow, AND L A. Riddick. THE PHOTOTOXICITY OF POLYCYCLIC AROMATIC HYDROCARBONS. Presented at The ACS meeting, San Diego, CA, April 1-5, 2001.
2000
Aue, D. H., M. Guidoni, AND L D. Betowski. AB INITIO CALCULATED GAS-PHASE BASICITIES OF POLYNUCLEAR AROMATIC HYDROCARBONS. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES 201(1-3):283-295, (2000).
1998
Momplaisir, G M., L D. Betowski, AND E M. Heithmar. DETERMINATION OF NINE ORGANOSELENIUM COMPOUNDS USING HIGH PERFORMANCE LIQUID CHROMATOGRAPHY COUPLED WITH ELECTROSPRAY MASS SPECTROMETRY. Presented at 46th American Society for Mass Spectrometry Conference on Mass Spectrometry and Allied Topics, Orlando, FL, May 31-June 4, 1998.
Gurka, D F., L D. Betowski, T A. Hinners, AND E M. Heithmar. ENVIRONMENTAL APPLICATIONS OF HYPHENATED QUADRUPOLE TECHNIQUES. Analytical Chemistry 60(7):454A-467A, (1998).
1997
Matchett, W. H., W. Winnik, L. Betowski, AND W. Brumley. A KINETIC STUDY OF THE METHANOLYSIS OF THE SULFONYLUREAS BENSULFURON METHYL AND SULFOMETURON METHYL USING CAPILLARY ELECTROPHORESIS. Electrophoresis 18(2):205-213, (1997).
Pyle, S., L. Betowski, A. Marcus, W. Winnik, AND R. D. Brittain. ANALYSIS OF POLYCYCLIC AROMATIC HYDROCARBONS BY ION TRAP TANDEM MASS SPECTROMETRY. Journal of the American Society for Mass Spectrometry 8(2):183-190, (1997).
Pergantis, S. A., W. Winnik, AND L D. Betowski. DETERMINATION OF TEN ORGANOARSENIC COMPOUNDS USING MICRO HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY COUPLED WITH ELECTROSPRAY MS/MS. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 12:531-536, (1997).