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Agustín J. Colussi

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Email: ajcoluss@caltech.edu  
Phone: 626 395 4402  
 
Physical Chemistry 
Chemical Kinetics 
Interfacial Chemistry

Organic Aerosol Photochemistry 

 


Education 

Ph. D (Physical Chemistry) 
University of Buenos Aires (1972)    
B. Sc (Chemistry)  
University of Buenos Aires (1968)  
Postdoctoral
University of Southern California (1976-1977) 
Stanford Research Institute (1975-1976) 
National Research Council of Canada (1972-1974)

Currently

Senior Research Associate
Environmental Science and Engineering, California Institute of Technology

Formerly  

Professor of Physical Chemistry 
University of Buenos Aires (1996-1998) 
University of Mar del Plata (1978-1991) 
Principal Investigator 
National Research Council of Argentina (1980-2000)
Visiting Professor
Department of Chemistry, University of Oregon (1988)
Senior Research Associate
Jet Propulsion Laboratory (1989-90)

 Publications (since 2006)

- Thermochromism of model organic aerosol matter (with A. G. Rincon, M. I. Guzman and M. R. Hoffmann)
submitted

- Confocal fluorescence microscopy of the morphology and composition of interstitial fluids in freezing electrolyte solutions (with  Jie Cheng, Cherrie Soetjipto, and M. R. Hoffmann) submitted

- Proton availability at the air/water interface (with S.  Enami and M. R. Hoffmann) submitted

- Acid dissociation versus molecular association of perfluoroalkyl oxoacids. Environmental implications (with  J. Cheng, Elia Psillakis,  and M. R. Hoffmann) Journal of Physical Chemistry A, 113 (2009) 8152.

- Optical absorptivity versus molecular composition of model organic aerosol matter (with A. G. Rincon, M. I. Guzman and M. R. Hoffmann) Journal of Physical Chemistry A, 113 (2009) 10512.

- Simultaneous detection of cysteine sulfenate, sulfinate and sulfonate during cysteine interfacial ozonolysis  (with S.  Enami and M. R. Hoffmann)
Journal of Physical Chemistry B, 113 (2009) 9356.

- Do concentration cells store charge in water? Comment on "Can water store charge?" (with H. R. Corti) Langmuir, 25 (2009) 6587.

- Absorption of inhaled NO (with S.  Enami and M. R. Hoffmann) Journal of Physical Chemistry B, 113 (2009) 7977.

- Enrichment factors of perfluoroalkyl oxoanions at the air/water interface (with  Elia Psillakis, J. Cheng  and M. R. Hoffmann) Journal of Physical Chemistry A, 113 (2009) 8826.

- How phenol and alpha-tocopherol react with ambient ozone at gas/liquid interfaces (with S.  Enami and M. R. Hoffmann)
Journal of Physical Chemistry A, 113 (2009) 7002.

- Anion-catalyzed dissolution of NO2 on aqueous microdroplets (with  A. Yabushita, S.  Enami, Y. Sakamoto, M.  Kawasaki,  and M. R. Hoffmann) Journal of Physical Chemistry A, 113 (2009) 4844.

- Ozone oxidizes glutathione to a sulfonic acid  (with S. Enami, and M. R. Hoffmann), Chemical Research in Toxicology, 22 (2009) 35-40

- HONO emissions from snow surfaces (with H. Beine, A. Amoroso, G. Esposito, M. Montagnoli and M. R. Hoffmann) Environmental Research Letters, 3 (2008) 045005.

- Anion fractionation and reactivity at air/water:methanol interfaces. Implications for the origin of Hofmeister effects  (with Jie Cheng and M. R. Hoffmann)
  Journal of Physical Chemistry B, 112 (2008) 7157.

- Acidity enhances formation of a persistent ozonide at aqueous ascorbate/ozone gas interfaces (with S. Enami, and M. R. Hoffmann), Proceedings of the National Academy of Sciences U.S.A. 105 (2008) 7365.

- Ozonolysis of uric acid at the air/water interface (with S. Enami, and M. R. Hoffmann)  Journal of Physical Chemistry B, 112 (2008) 4153.

- Mass spectrometry of interfacial layers during fast aqueous aerosol/ozone gas reactions of atmospheric interest (with S. Enami, J. Cheng, C. D. Vecitis, and M. R. Hoffmann)  Chemical Physics Letters, 455 (2008) 316.

-
Electrospray Mass Spectrometric Detection of Products and Short-Lived Intermediates in Aqueous Aerosol Microdroplets Exposed to a Reactive Gas (with S. Enami, J. Cheng, C. D. Vecitis, and M. R. Hoffmann) Journal of Physical Chemistry A, 111 (2007) 13032.

- Global Inorganic Source of Atmospheric Bromine (with S. Enami, J. Cheng, C. D. Vecitis, and M. R. Hoffmann) Journal of Physical Chemistry A, 111 (2007) 8749.

- Photolysis of Pyruvic Acid in Ice. Possible Relevance to CO and CO2 Ice Core Record Anomalies (with M. I. Guzman, and M. R. Hoffmann) Journal of Geophysical Research  112 (2007) D10123, doi:10.1029/2006JD007886.

- Experimental Anion Affinities for the Air/Water Interface (with J. Cheng, C. D. Vecitis, and M. R. Hoffmann) Journal of Physical Chemistry B, 110 (2006) 25598.

- Sonochemical Decomposition of Phenol: Evidence for a Synergistic Effect of Ozone and Ultrasound for the Elimination of Total Organic Carbon from Water (with T. M Lesko and M. R. Hoffmann) Environmental Science and Technology,
40 (2006) 6818.

- Cooperative Hydration of Pyruvic Acid in Ice (M. I. Guzman, L. Hildebrandt and M. R. Hoffmann) Journal of the American Chemical Society, 128 (2006) 10621.

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Acidity of Frozen Electrolyte Solutions (with C. Robinson, C. S. Boxe, and M. R. Hoffmann) Journal of Physical Chemistry B, 110 (2006) 7613.

- Photoinduced Oligomerization of Aqueous Pyruvic Acid (with M. I. Guzman, and M. R. Hoffmann) Journal of Physical Chemistry A 110 (2006) 3619.

- Kinetics of NO and NO2 Evolution from Illuminated Frozen Nitrate Solutions (with C. S. Boxe, M. R. Hoffmann, I. Perez, J. G. Murphy, and R. C. Cohen) Journal of Physical Chemistry A 110 (2006) 3578.

- Photogeneration of Distant Radical Pairs in Frozen Pyruvic Acid Glasses (with M. I. Guzman, and M. R. Hoffmann) Journal of Physical Chemistry A 110 (2006) 931.



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