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Cesar S. Contreras, Ph. D

Affiliations: 
Astrochemistry Astrophysics BAERI Research Scientist 
Area:
Aerospace laboratory research
Website:
http://www.astrochem.org/bios/contreras.php
Google:
"http://www.astrochem.org/bios/contreras.php"
Bio:

Cesar is currently working at the Ames Astrochemistry laboratory with Farid Salama, using a laboratory simulation to study carbon cluster and grain formation in the interstellar medium. Using a pulsed nozzle discharge, ionized or neutral polycyclic aromatic hydrocarbons (PAHs) formation and clustering in the gas phase is studied with two complementary spectroscopic techniques, Cavity Ring Down Spectroscopy and Reflectron Time of Flight Mass Spectrometry. The apparatus is specifically designed for the study gas phase cold PAHs and molecules and is referred to as the Interstellar or Circumstellar Simulation Chamber (ISC or CSC).

Mean distance: 9.86
 		SNBCP
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Parents

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John R. Eyler grad student 2008 UF Gainesville
 (Carbohydrates and amino acids: Infrared multiple photon dissociation spectroscopy and density functional theory calculations.)

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Publications

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Pearson WL, Contreras C, Powell D, et al. (2015) Differentiation of Rubidiated Methyl-d-Glycoside Stereoisomers by Infrared Multiple-Photon Dissociation Spectroscopy in the O-H and C-H Stretching Regions. The Journal of Physical Chemistry. B. 119: 12970-81
Contreras CS, Salama F. (2013) Laboratory investigations of polycyclic aromatic hydrocarbon formation and destruction in the circumstellar outflows of carbon stars Astrophysical Journal, Supplement Series. 208
Allodi MA, Baragiola RA, Baratta GA, et al. (2013) Complementary and emerging techniques for astrophysical ices processed in the laboratory Space Science Reviews. 180: 101-175
Contreras CS, Polfer NC, Oomens J, et al. (2012) On the path to glycan conformer identification: Gas-phase study of the anomers of methyl glycosides of N-acetyl-d-glucosamine and N-acetyl-d- galactosamine International Journal of Mass Spectrometry. 330: 285-294
Rummel JL, Steill JD, Oomens J, et al. (2011) Structural elucidation of direct analysis in real time ionized nerve agent simulants with infrared multiple photon dissociation spectroscopy. Analytical Chemistry. 83: 4045-52
Contreras CS, Ricketts CL, Salama F. (2011) Formation and evolution of circumstellar and interstellar PAHs: A laboratory study Eas Publications Series. 46: 201-207
Ricketts CL, Contreras CS, Walker RL, et al. (2011) The coupling of a reflectron time-of-flight mass spectrometer with a cosmic simulation chamber: A powerful new tool for laboratory astrophysics International Journal of Mass Spectrometry. 300: 26-30
Palii SP, Contreras CS, Steill JD, et al. (2010) Triuret as a potential hypokalemic agent: Structure characterization of triuret and triuret-alkali metal adducts by mass spectrometric techniques. Archives of Biochemistry and Biophysics. 498: 23-34
Contreras CS, Polfer NC, Chung AC, et al. (2010) Hydrogen/deuterium exchange of phenylalanine analogs studied with infrared multiple photon dissociation International Journal of Mass Spectrometry. 297: 162-169
Aksenov AA, Contreras CS, Richardson DE, et al. (2007) Gas-phase reactions of bis(η5-cyclopentadienyl) methylzirconium cations with ketones and aldehydes Organometallics. 26: 478-488
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