Qishen Huang
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View article: Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere
Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere Open
In the upper troposphere and lower stratosphere (UTLS), new particles frequently form to seed cloud condensation nuclei (CCN), thereby affecting radiative forcing and global climate. Iodic acid (IA) particles have been widely detected in t…
View article: Potential planetary health impacts of the airborne plastisphere
Potential planetary health impacts of the airborne plastisphere Open
Microplastics are a ubiquitous yet long-overlooked component of airborne particulate matter. The surface of these plastic particles provides a unique niche for microorganisms, collectively known as the plastisphere. The plastisphere in aqu…
View article: Surface-Enhanced Raman Spectroscopy (SERS) Based Biological and Environmental 2D and 3D Imaging
Surface-Enhanced Raman Spectroscopy (SERS) Based Biological and Environmental 2D and 3D Imaging Open
Surface-enhanced Raman spectroscopy (SERS) imaging is a highly sensitive, spatially resolved tool for biological and environmental analysis. SERS imaging combines molecular fingerprinting with real-time, in situ detection, with the capacit…
View article: Supplementary material to "Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere"
Supplementary material to "Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere" Open
View article: Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere
Mechanistic insights into nitric acid-enhanced iodic acid particle nucleation in the upper troposphere and lower stratosphere Open
In the upper troposphere and lower stratosphere (UTLS), new particles frequently form to seed cloud condensation nuclei (CCN), thereby affecting radiative forcing and global climate. Iodic acid (IA) particles have been widely detected in t…
View article: Sulfate formation through copper-catalyzed SO2 oxidation by NO2 at aerosol surfaces
Sulfate formation through copper-catalyzed SO2 oxidation by NO2 at aerosol surfaces Open
Severe urban air pollution in China is driven by a synergistic conversion of SO 2 , NOx, and NH 3 into fine particulate matter (PM 2.5 ). Field studies indicated NO 2 as an important oxidizer to SO 2 in polluted atmospheres with low photoc…
View article: Predicting Liquid-Liquid Phase Separation of Submicron Proxies for Atmospheric Secondary Aerosol
Predicting Liquid-Liquid Phase Separation of Submicron Proxies for Atmospheric Secondary Aerosol Open
Liquid–liquid phase separation (LLPS) of atmospheric aerosols can significantly impact climate, air quality, and human health. However, their complex composition, small size, and history-dependent properties result in great uncertainty in …
View article: The interplay between aqueous replacement reaction and the phase state of internally mixed organic/ammonium aerosols
The interplay between aqueous replacement reaction and the phase state of internally mixed organic/ammonium aerosols Open
Atmospheric secondary aerosols are often internally mixed with organic and inorganic components, particularly dicarboxylic acids, ammonium, sulfate, nitrate, and chloride. These complex compositions enable aqueous reaction between organic …
View article: Reply on RC1
Reply on RC1 Open
Abstract. Aerosol phase state is crucial for air quality, climate, and human health. Atmospheric secondary aerosols are often internally mixed with organic and inorganic components, particularly dicarboxylic acids, ammoniu…
View article: The Impact of Aqueous Phase Replacement Reaction on the Phase State of Internally Mixed Organic/ammonium Aerosols
The Impact of Aqueous Phase Replacement Reaction on the Phase State of Internally Mixed Organic/ammonium Aerosols Open
Aerosol phase state is crucial for air quality, climate, and human health. Atmospheric secondary aerosols are often internally mixed with organic and inorganic components, particularly dicarboxylic acids, ammonium, sulfate, nitrate, and ch…
View article: Supplementary material to "The Impact of Aqueous Phase Replacement Reaction on the Phase State of Internally Mixed Organic/ammonium Aerosols"
Supplementary material to "The Impact of Aqueous Phase Replacement Reaction on the Phase State of Internally Mixed Organic/ammonium Aerosols" Open
View article: Rethinking urban haze formation: Atmospheric sulfite conversion rate scales with aerosol surface area, not volume
Rethinking urban haze formation: Atmospheric sulfite conversion rate scales with aerosol surface area, not volume Open
View article: Phase Transitions in Organic and Organic/Inorganic Aerosol Particles
Phase Transitions in Organic and Organic/Inorganic Aerosol Particles Open
The phase state of aerosol particles can impact numerous atmospheric processes, including new particle growth, heterogeneous chemistry, cloud condensation nucleus formation, and ice nucleation. In this article, the phase transitions of ino…
View article: Hydrogel Network Formation Triggers Atypical Hygroscopic Behavior in Atmospheric Aerosols
Hydrogel Network Formation Triggers Atypical Hygroscopic Behavior in Atmospheric Aerosols Open
View article: Experimental phase diagram and its temporal evolution for submicron 2-methylglutaric acid and ammonium sulfate aerosol particles
Experimental phase diagram and its temporal evolution for submicron 2-methylglutaric acid and ammonium sulfate aerosol particles Open
The experimental phase diagram for liquid–liquid phase separation in submicrometer aerosol particles converges with theory as equilibration time is increased.
View article: Liquid–Liquid Phase Separation Can Drive Aerosol Droplet Growth in Supersaturated Regimes
Liquid–Liquid Phase Separation Can Drive Aerosol Droplet Growth in Supersaturated Regimes Open
[Image: see text] It is well known that atmospheric aerosol size and composition impact air quality, climate, and health. The aerosol composition is typically a mixture and consists of a wide range of organic and inorganic particles that i…
View article: Experimental Phase Diagram and Its Temporal Evolution for Submicron 2-Methylglutaric Acid and Ammonium Sulfate Aerosol Particles
Experimental Phase Diagram and Its Temporal Evolution for Submicron 2-Methylglutaric Acid and Ammonium Sulfate Aerosol Particles Open
Liquid–liquid phase separation (LLPS) in aerosol particles is important for the climate system due to its potential to impact heterogeneous chemistry, cloud condensation nuclei, and new particle growth. Our group and others have shown a lo…
View article: Mechanistic theory predicts the effects of temperature and humidity on inactivation of SARS-CoV-2 and other enveloped viruses
Mechanistic theory predicts the effects of temperature and humidity on inactivation of SARS-CoV-2 and other enveloped viruses Open
Ambient temperature and humidity strongly affect inactivation rates of enveloped viruses, but a mechanistic, quantitative theory of these effects has been elusive. We measure the stability of SARS-CoV-2 on an inert surface at nine temperat…
View article: Author response: Mechanistic theory predicts the effects of temperature and humidity on inactivation of SARS-CoV-2 and other enveloped viruses
Author response: Mechanistic theory predicts the effects of temperature and humidity on inactivation of SARS-CoV-2 and other enveloped viruses Open
View article: Reply to Colussi: Microdroplet interfacial pH, the ongoing discussion
Reply to Colussi: Microdroplet interfacial pH, the ongoing discussion Open
We thank Colussi for his interest (1) in our article “Aerosol microdroplets exhibit a stable pH gradient” (2). Over the course of many years, Colussi and his colleagues have made numerous contributions to our understanding of the complicat…
View article: Aerosol microdroplets exhibit a stable pH gradient
Aerosol microdroplets exhibit a stable pH gradient Open
Significance Aerosols with high water content (aerosol droplets) are ubiquitous and play a significant role in atmospheric chemistry and meteorology. However, directly measuring the pH of an individual aerosol droplet remains challenging d…