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MOLINA, MARIO

Professor of Chemistry

Degrees:

• B.A., Universidad Autonoma de Mexico
• Ph.D., University of California Berkeley

Research Interests:

• Atmospheric Chemistry
• Physical Chemistry (Gas Phase Chemical Kinetics; Photochemistry; Heterogeneous Chemistry)
• Urban, Regional and Global Air Pollution
• Climate Change: Science and Policy Issues

Honors and Awards:

• UCI Alumni Association Special Recognition for Contributions in Basic Research, 1976
• Alfred P. Sloan Foundation Fellow, 1976-1978
• Tyler Environmental Prize, 1983
• American Association for the Advancement of Science Newcomb-Cleveland Prize, 1987
• NASA Exceptional Scientific Achievement Medal, 1989
• Pew Fellow in Marine Conservation, 1990
• United Nations Environmental Programme (UNEP) Global 500 Laureate, 1990
• Member, National Academy of Sciences, 1993
• Nobel Prize in Chemistry, 1995
• United Nations Environmental Programme (UNEP) Ozone Award, 1995
• Fellow, American Geophysical Union, 1998
• United Nations Environment Programme (UNEP) Sasakawa Environmental Prize, 1999
• Pontifical Academician, Pontifical Academy of Sciences, 2000
• The Heinz Award, 2003
• Volvo Environmental Prize, 2004
• Elected Member, American Philosophical Society, 2007
• Co-Leader of Science & Technology Policy, President-Elect Obama Tranisition Team, 2008

Mentoring:

• Fitzgerald, Elizabeth (Graduate; -)
• Johnson, Kristen (Graduate; -)
• Martinez, Marco Antonio (Graduate; -)
• Park, Jong-Ho (Graduate; -)
• Zavala, Miguel (Graduate; -)

Mantz, Y.A., F.M. Geiger, L.T. Molina, M.J. Molina and B.L. Trout, A theoretical study of the interaction of HCl with crystalline NAT, J. Phys. Chem. A, 106, 6972-6981, 2002.

Suh, I., D. Zhang, R.Y. Zhang, L.T. Molina and M.J. Molina, Theoretical study of OH addition reaction to toluene, Chem. Phys. Lett., 364, 454-462, 2002.

Taniguchi. N, T.J. Wallington, M.D. Hurley, A.G. Guschin, L.T. Molina and M.J. Molina, Atmospheric chemistry of C2F5C(O)CF(CF3)2: Photolysis and reaction with Cl atoms, OH radicals, and ozone, J. Phys. Chem. A, 107, 2674-2679, 2003.

Bogdan. A., M.J. Molina, M. Kulmala, A.R. MacKenzie and A. Laaksonen, Study of finely divided aqueous systems as an aid to understanding the formation mechanism of polar stratospheric clouds: Case of HNO3/H2O and H2SO4/H2O systems, J. Geophys. Res. Atm., 108, D10, 4302, 2003.

Suh, I., R. Zhang, L.T. Molina, M.J. Molina., Oxidation mechanism of aromatic peroxy and bicyclic radicals from OH-toluene reactions, J. Am. Chem. Soc,;125(41),12655-65, 2003.

Molina, M.J., Aerosol Processes in the Stratosphere. In Handbook of Weather, Climate and Water, T.D. Potter and B.R. Colman, eds., 405-414. Wiley Interscience, New Jersey, 2003.

Molina L.T., M.J. Molina , Improving air quality in megacities - Mexico City case study, Urban Biosphere and Society: Partnership of Cities, Annals of the New York Academy of Sciences, 1023, 142-158, 2004.

Marley, N.A., Gaffney J.S., White R.V., Rodriguez-Cuadra L., Herndon S.E., Dunlea E., Volkamer R.M., Molina L.T., Molina M.J., Fast gas chromatography with luminol chemiluminescence detection for the simultaneous determination of nitrogen dioxide and peroxyacetyl nitrate in the atmosphere, Review of Scientific Instruments, 75 (11), 4595-4605, 2004.

West, J.J., M.A. Zavala, L.T. Molina, M.J. Molina, F. San Martini, G.J. McRae, G. Sosa-Iglesias, J.L. Arriaga-Colina, Modeling ozone photochemistry and evaluation of hydrocarbon emissions in the Mexico City metropolitan area, J. Geophys. Res., 109, D19312, doi:10.1029/2004 JD004614 2004.

Molina, M.J., A.V. Ivanov, S. Trakhtenberg, and L.T. Molina, Atmospheric evolution of organic aerosol, Geophys. Res. Lett., 31, L22104, doi:10.1029/2004 GL020910, 2004.

Zhang, R.Y., I. Suh, J. Zhao, D. Zhang, E.C. Fortner, X.X. Tie, L.T. Molina, and M.J. Molina, Atmospheric new particle formation enhanced by organic acids, Science, 304 (5676), 1487-1490, 2004.

Marr, L.C., L.A. Grogan, H. Wohrnschimmel, L.T. Molina, M.J. Molina, T.J. Smith, and E. Garshick, Vehicle traffic as a source of particulate polycyclic aromatic hydrocarbon exposure in the Mexico City metropolitan area, Environ. Sci. & Tech., 38 (9), 2584-2592, 2004.

Chow, J.C., J.G. Watson, J.J. Shah, C.S. Kiang, C. Loh, M. Lev-On, J.M. Lents, M.J. Molina, and L.T. Molina, Critical Review Discussion: Megacities and atmospheric pollution, Journal of the Air & Waste Management Association, 54 (10), 1226-1235, 2004.

San Martini, F.M., J.J. West, B. de Foy, L.T. Molina, M.J. Molina, G. Sosa G, G.J. McRae, Modeling inorganic aerosols and their response to changes in precursor concentration in Mexico City , Journal of the air and waste management association, 55 (6), 803-815, 2005.

Jiang, M., L.C. Marr, E.J. Dunlea, S.C. Herndon, J.T. Jayne, C.E. Kolb, W.B. Knighton, T.M. Rogers, M. Zavala, L.T. Molina, and M.J. Molina, Mobile laboratory measurements of black carbon, polycyclic aromatic hydrocarbons and other vehicle emissions in Mexico City, Atmos. Chem. Phys. Discuss., 5, 7387-7414, 2005.

Johnson, K.S., B. Zuberi, L.T. Molina, M.J. Molina, M.J. Iedema, J.P. Cowin, D.J. Gaspar, C. Wang, and A. Laskin, Processing of soot in an urban environment: case study from the Mexico City Metropolitan Area, Atmos. Chem. Phys. Discuss., 5, 5585-5614, 2005.

Shirley, T.R., W.H. Brune, X. Ren, J. Mao, R. Lesher, B. Cardenas, R. Volkamer, L.T. Molina, M.J. Molina, B. Lamb, E. Velasco, T. Jobson, and M. Alexander, Atmospheric oxidation in the Mexico City Metropolitan Area (MCMA) during April 2003, Atmos. Chem. Phys. Discuss, 5, 6041-6076, 2005.

García, A.R., R. Volkamer, L.T. Molina, M.J. Molina, J. Samuelson, J. Mellqvist, B. Galle, S.C. Herndon, and C. E. Kolb, Separation of emitted and photochemical formaldehyde in Mexico City using a statistical analysis and a new pair of gas-phase tracers, Atmos. Chem. Phys. Discuss., 5, 11583-11615, 2005.

Marr, L.C., K. Dzepina, J.L. Jimenez, F. Reisen, H.L. Bethel, J. Arey, J.S. Gaffney, N.A. Marley, L.T. Molina, and M.J. Molina, Sources and transformations of particle-bound polycyclic aromatic hydrocarbons in Mexico City, Atmos. Chem. Phys. Discuss., 5, 12741-12773, 2005.

Barnard, J.C., E.I. Kassianov, T.P. Ackerman, S. Frey, K. Johnson, B. Zuberi, L.T. Molina, M.J. Molina, J.S. Gaffney, and N.A. Marley, Measurements of Black Carbon Specific Absorption in the Mexico City Metropolitan Area during the MCMA 2003 Field Campaign, Atmos. Chem. Phys. Discuss., 5, 4083-4113, 2005. de Foy, B., E. Caetano, V. Magana, A. Zitacuaro, B. Cardenas, A. Retama, R. Ramos, L.T. Molina, and M.J. Molina, Mexico City basin wind circulation during the MCMA-2003 field campaign, Atmos. Chem. Phys. Discuss., 5, 2503-2558, 2005.

de Foy, B., A. Clappier, L.T. Molina, and M.J. Molina, Distinct wind convergence patterns due to thermal and momentum forcing of the low level jet into the Mexico City basin, Atmos. Chem. Phys. Discuss., 5, 11055-11090, 2005.

de Foy, B., L.T. Molina, and M.J. Molina, Satellite-derived land surface parameters for mesoscale modeling of the Mexico City basin, Atmos. Chem. Phys. Discuss., 5, 9861-9906, 2005.

Zuberi, B., K.S. Johnson, G.K. Aleks, L.T. Molina, M.J. Molina, and A. Laskin, Hydrophilic properties of aged soot, Geophysical Research Letters, 32 (1), L01807, 2005.

Volkamer, R., L.T. Molina, M.J. Molina, T. Shirley, and W.H. Brune, DOAS measurement of glyoxal as an indicator for fast VOC chemistry in urban air, Geophysical Research Letters, 32 (8), L08806, 2005.

Salcedo, D.,K. Dzepina, T.B. Onasch, M.R. Canagaratna, Q. Zhang, J A. Huffman, P.F. DeCarlo, L.T. Molina, M.J. Molina, R.M. Bernabe, B. Cardenas, C. Marquez, J.S. Gaffney, N.A. Marley, A. Laskin, V. Shutthanandan, and J.L. Jimenez, Characterization of Ambient Aerosols in Mexico City during the MCMA-2003 Campaign with Aerosol Mass Spectrometry. Part I: Quantification, Shape-Related Collection Efficiency, and Comparison with Collocated Instruments, Atmos. Chem. Phys. Discuss, 5, 4143-4182, 2005.

Salcedo, D., K. Dzepina, T.B. Onasch, M.R. Canagaratna, J.T. Jayne, D.R. Worsnop, J. S. Gaffney, N.A. Marley, K.S. Johnson, B. Zuberi, L.T. Molina, M.J. Molina, V. Shutthanandan, Y. Xie, J.L. Jimenez, Characterization of ambient aerosols in Mexico City during the MCMA-2003 campaign with Aerosol Mass Spectrometry – Part II: overview of the results at the CENICA supersite and comparison to previous Studies, Atmos. Chem. Phys. Discuss, 5, 4183-4221, 2005.

Volkamer, R., J.L. Jimenez, F. San Martini, K. Dzepina, Q. Zhang, D. Salcedo, L.T. Molina, D.R. Worsnop, M.J. Molina, Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than expected , Geophysical Research Letters, 33 (17), L17811, 2006.

Loerting, T., A.F. Voegele, C.S. Tautermann, S. Christofer, K.R. Liedl, L.T. Molina, M.J. Molina, Modeling the heterogeneous reaction probability for chlorine nitrate hydrolysis on ice, Journal of Geophysical Research Atmospheres, 111 (D14), D14307 2006.

Rogers, T.M., E.R. Grimsrud, S.C. Herndon, J.T. Jayne, C.E.Kolb, E. Allwine, H. Westberg, B.K. Lamb, M. Zavala, L.T. Molina, M.J. Molina, W.B. Knighton, On-road measurements of volatile organic compounds in the Mexico City metropolitan area using proton transfer reaction mass spectrometry, International Journal of Mass Spectrometry, 252 (1), 26-37, 2006.

Johnson, K.S., B. de Foy, B. Zuberi, L.T. Molina, M.J. Molina, Y. Xie, A. Laskin, and V. Shutthanandan, Aerosol composition and source apportionment in the Mexico City Metropolitan Area with PIXE/PESA/STIM and multivariate analysis, Atmos. Chem. Phys. Discuss., 6, 3997-4022, 2006.

San Martini, F.M., E.J. Dunlea, M. Grutter, T.B. Onasch, J.T. Jayne, M.R. Canagaratna, D.R. Worsnop, C.E. Kolb, J.H. Shorter, S.C. Herndon, M.S. Zahniser, J.M. Ortega, G.J. McRae, L.T. Molina, and M.J. Molina, Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part I: Model description and application to the La Merced Site, Atmos. Chem. Phys. Discuss., 6, 5933-5998, 2006.

San Martini, F.M., E.J. Dunlea, R. Volkamer, T.B. Onasch, J.T. Jayne, M.R. Canagaratna, D.R. Worsnop, C.E. Kolb, J.H. Shorter, S.C. Herndon, M.S. Zahniser, D. Salcedo, K. Dzepina, J.L. Jimenez, J.M. Ortega, K.S. Johnson, G.J. McRae, L.T. Molina, and M.J. Molina, Implementation of a Markov Chain Monte Carlo Method to inorganic aerosol modeling of observations from the MCMA-2003 Campaign. Part II: Model application to the CENICA, Pedregal and Santa Ana sites, Atmos. Chem. Phys. Discuss, 6, 5999-6040, 2006.

Dunlea, E.J., S.C. Herndon, D.D. Nelson, R.M. Volkamer, B.K. Lamb, E.J. Allwine, M.Grutter, C.R. Ramos Villegas, C. Marquez, S. Blanco, B. Cardenas, C.E. Kolb, L.T. Molina, and M.J. Molina, Technical note: Evaluation of standard ultraviolet absorption ozone monitors in a polluted urban environment, Atmos. Chem. Phys. Discuss., 6, 2241-2279, 2006.

Raisanen, P.A., A. Bogdan. M. Sassen, M. Kulmala, and M.J. Molina, Impact of H2SO4/H2O coating and ice crystal size on radiative properties of sub-visible cirrus, Atmos. Chem. Phys. 6, 4659-4667, 2006.

Zavala, M., S.C. Herndon, R.S. Slott, E.J. Dunlea, L.C. Marr, J.H. Shorter, M. Zahniser, W.B. Knighton, T.M. Rogers, C.E. Kolb, L.T. Molina, and M.J. Molina, Characterization of on-road vehicle emissions in the Mexico City Metropolitan Area using a mobile laboratory in chase and fleet average measurement modes during the MCMA-2003 field campaign, Atmos. Chem. Phys. Discuss., 6, 4689-4725, 2006.

de Foy, B., J.R. Varela, L.T. Molina, and M.J. Molina, Rapid ventilation of the Mexico City basin and regional fate of the urban plume, Atmos. Chem. Phys. Discuss., 6, 839-877, 2006.

McNeill, V.F., T Loerting, F.M. Geiger, B.L. Trout, and M.J. Molina, Hydrogen chloride-induced surface disordering on ice, Proceedings of the National Academy of Sciences, 103 (25), 9422-9427, 2006.

Rauch, S., B. Peucker-Ehrenbrink, L.T. Molina, M.J. Molina, R. Ramos, H.F. Hemond, Platinum group elements in airborne particles in Mexico City, Environ. Sci. Technol., 15;40(24), 7554-7560, 2006.

Bogdan, A, M.J. Molina, K. Sassen, M. Kulmala, Formation of low-temperature cirrus from H2SO4/H2O aerosol droplets, J. Phys. Chem. A, 110(46), 12541-12542, 2006.

Velasco, E., B. Lamb, H. Westberg, E. Allwine, G. Sosa, J.L. Arriaga-Colina, B.T. Jobson, M. Alexander, P. Prazeller, W.B. Knighton, T M. Rogers, M. Grutter, S.C. Herndon, C.E. Kolb, M. Zavala, B. de Foy, R. Volkamer, L.T. Molina, and M.J. Molina, Distribution, magnitudes, reactivities, ratios and diurnal patterns of volatile organic compounds in the Valley of Mexico during the MCMA 2002 and 2003 field campaigns, Atmos. Chem. Phys. Discuss., 6, 7563–7621, 2006.

Dzepina, K., J.C. Arey, L. Marr, D.R. Worsnop, D. Salcedo, Q. Zhang, B.T. Onasch, L.T. Molina, M.J. Molina, J.L. Jimenez, Detection of particle-phase polycyclic aromatic hydrocarbons in Mexico City using an aerosol mass spectrometer, International Journal of Mass Spectrometry, 263 (2-3), 152-170, 2007.

Ivanov, A.V., S. Trakhtenberg, A.K. Bertram, Y.M. Gershenzon, M.J. Molina, OH, HO2, and Ozone Gaseous Diffusion Coefficients, J. Phys. Chem. A, 111 (9), 1632 -1637, 2007.

Dunlea, E.J., S.C. Herndon, D.D. Nelson, R.M. Volkamer, F.San Martini, P.M. Sheehy, M.S. Zahniser, J.H. Shorter, J.C. Wormhoudt, B.K. Lamb, E.J. Allwine, J.S. Gaffney, N.A. Marley, M. Grutter , C. Marquez, S. Blanco, B. Cardenas, A. Retama, C.R. Ramos Villegas, C.E. Kolb, L.T. Molina, and M.J. Molina, Evaluation of nitrogen dioxide chemiluminescence monitors in a polluted urban environment, Atmos. Chem. Phys. Discuss., 7, 569-604, 2007.

Volkamer, R., P.M. Sheehy, L.T. Molina, and M.J. Molina, Oxidative capacity of the Mexico City atmosphere – Part 1: A radical source perspective, Atmos. Chem. Phys. Discuss., 7, 5365-5412, 2007.

McNeill, V.F., F.M. Geiger, T. Loerting, B.L. Trout, L.T. Molina, M.J. Molina, Interaction of Hydrogen Chloride with Ice Surfaces: The Effects of Grain Size, Surface Roughness, and Surface Disorder, J. Phys. Chem. A, 111(28), 6274-6284, 2007.

Zhang, R, G. Li, J. Fan, D.L. Wu, M.J. Molina, Intensification of Pacific storm track linked to Asian pollution, Proceedings of the National Academy of Sciences, 104(13), 2007.

Molina, L.T., C.E. Kolb, B. de Foy, B.K. Lamb, W.H. Brune, J.L. Jimenez, and M.J. Molina, Air quality in North America's most populous city – overview of MCMA-2003 Campaign, Atmos. Chem. Phys. Discuss., 7, 3113–3177, 2007.

Barnard, J.C., E.I. Kassianov, T.P. Ackerman, K. Johnson, B. Zuberi, L.T. Molina, and M.J. Molina, Estimation of a "radiatively correct" black carbon specific absorption during the Mexico City Metropolitan Area (MCMA) 2003 field campaign, Atmos. Chem. Phys., 7, 1645–1655, 2007.

Moffet, R.C., B. de Foy, L.T. Molina, M.J. Molina, and A. Prather, Atmospheric Measurement of ambient aerosols in northern Mexico City by single particle mass spectrometry, Atmos. Chem. Phys. Discuss., 7, 6413–6457, 2007.