Search Results - "Molina, Mario J"
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Identifying airborne transmission as the dominant route for the spread of COVID-19
Published in Proceedings of the National Academy of Sciences - PNAS (30-06-2020)“…Various mitigation measures have been implemented to fight the coronavirus disease 2019 (COVID-19) pandemic, including widely adopted social distancing and…”
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Elucidating severe urban haze formation in China
Published in Proceedings of the National Academy of Sciences - PNAS (09-12-2014)“…Significance We illustrate the similarity and difference in particulate matter (PM) formation between Beijing and other world regions. The periodic cycle of PM…”
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3
Markedly enhanced absorption and direct radiative forcing of black carbon under polluted urban environments
Published in Proceedings of the National Academy of Sciences - PNAS (19-04-2016)“…Black carbon (BC) exerts profound impacts on air quality and climate because of its high absorption cross-section over a broad range of electromagnetic…”
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4
An unexpected catalyst dominates formation and radiative forcing of regional haze
Published in Proceedings of the National Academy of Sciences - PNAS (25-02-2020)“…Although regional haze adversely affects human health and possibly counteracts global warming from increasing levels of greenhouse gases, the formation and…”
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5
Remarkable nucleation and growth of ultrafine particles from vehicular exhaust
Published in Proceedings of the National Academy of Sciences - PNAS (18-02-2020)“…High levels of ultrafine particles (UFPs; diameter of less than 50 nm) are frequently produced from new particle formation under urban conditions, with…”
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Improving our fundamental understanding of the role of aerosol–cloud interactions in the climate system
Published in Proceedings of the National Academy of Sciences - PNAS (24-05-2016)“…The effect of an increase in atmospheric aerosol concentrations on the distribution and radiative properties of Earth’s clouds is the most uncertain component…”
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7
Reassessing the atmospheric oxidation mechanism of toluene
Published in Proceedings of the National Academy of Sciences - PNAS (01-08-2017)“…Photochemical oxidation of aromatic hydrocarbons leads to tropospheric ozone and secondary organic aerosol (SOA) formation, with profound implications for air…”
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8
Assessing the effects of anthropogenic aerosols on Pacific storm track using a multiscale global climate model
Published in Proceedings of the National Academy of Sciences - PNAS (13-05-2014)“…Atmospheric aerosols affect weather and global general circulation by modifying cloud and precipitation processes, but the magnitude of cloud adjustment by…”
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In utero ultrafine particulate matter exposure causes offspring pulmonary immunosuppression
Published in Proceedings of the National Academy of Sciences - PNAS (26-02-2019)“…Early life exposure to fine particulate matter (PM) in air is associated with infant respiratory disease and childhood asthma, but limited epidemiological data…”
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10
Adverse organogenesis and predisposed long-term metabolic syndrome from prenatal exposure to fine particulate matter
Published in Proceedings of the National Academy of Sciences - PNAS (11-06-2019)“…Exposure to fine particulate matter (PM) during pregnancy is associated with high risks of birth defects/fatality and adverse long-term postnatal health…”
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Secondary organic aerosol formation from anthropogenic air pollution: Rapid and higher than expected
Published in Geophysical research letters (01-09-2006)“…The atmospheric chemistry of volatile organic compounds (VOCs) in urban areas results in the formation of ‘photochemical smog’, including secondary organic…”
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Preserving Montreal Protocol Climate Benefits by Limiting HFCs
Published in Science (American Association for the Advancement of Science) (24-02-2012)“…With no impending global controls on HFCs, the Montreal Protocol offers a near-term path to preserve its climate benefits. The Montreal Protocol is perhaps the…”
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13
A missing sink for gas-phase glyoxal in Mexico City: Formation of secondary organic aerosol
Published in Geophysical research letters (01-10-2007)“…The sources of secondary organic aerosol (SOA) are highly uncertain. Direct measurements of gas‐phase glyoxal in Mexico City are compared to experimentally…”
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14
Freezing and glass transitions upon cooling and warming and ice/freeze-concentration-solution morphology of emulsified aqueous citric acid
Published in European journal of pharmaceutics and biopharmaceutics (01-12-2016)“…[Display omitted] Although freeze-induced phase separation and the ice/FCS (freeze-concentration solution) morphology of aqueous solutions play an important…”
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Hydrofluorocarbon (HFC) Emissions in China: An Inventory for 2005–2013 and Projections to 2050
Published in Environmental science & technology (16-02-2016)“…Many hydrofluorocarbons (HFCs) that are widely used as substitutes for ozone-depleting substances (now regulated under the Montreal Protocol) are very potent…”
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Intensification of Pacific storm track linked to Asian pollution
Published in Proceedings of the National Academy of Sciences - PNAS (27-03-2007)“…Indirect radiative forcing of atmospheric aerosols by modification of cloud processes poses the largest uncertainty in climate prediction. We show here a trend…”
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17
Multiple Glass Transitions and Freezing Events of Aqueous Citric Acid
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (14-05-2015)“…Calorimetric and optical cryo-microscope measurements of 10–64 wt % citric acid (CA) solutions subjected to moderate (3 K/min) and slow (0.5 and 0.1 K/min)…”
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Atmospheric New Particle Formation Enhanced by Organic Acids
Published in Science (American Association for the Advancement of Science) (04-06-2004)“…Atmospheric aerosols often contain a substantial fraction of organic matter, but the role of organic compounds in new nanometer-sized particle formation is…”
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Visualization of Freezing Process in situ upon Cooling and Warming of Aqueous Solutions
Published in Scientific reports (10-12-2014)“…The freezing of aqueous solutions and reciprocal distribution of ice and a freeze-concentrated solution (FCS) are poorly understood in spite of their…”
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Characterization of Aerosols Containing Zn, Pb, and Cl from an Industrial Region of Mexico City
Published in Environmental science & technology (01-10-2008)“…Recent ice core measurements show lead concentrations increasing since 1970, suggesting new nonautomobile-related sources of Pb are becoming important…”
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