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Smog is a problem. But the knowledge about its constituents - no longer. Researchers from several leading Warsaw scientific institutions have joined forces and developed a new, extremely precise method for the chemical analysis of suspended particulate matter. The method, easily adaptable in many mo more
Scientists have now observed a particularly rapid type of pair production in the laboratory: Hydrocarbons double when two peroxyl radicals react with each other. This means that stable products with the carbon skeleton of both peroxyl radicals are formed, which very likely will have a peroxide struc more
They may be tiny and invisible, says Xiaoji Xu , but the aerosol particles suspended in gases play a role in cloud formation and environmental pollution and can be detrimental to human health. Aerosol particles, which are found in haze, dust and vehicle exhaust, measure in the microns. One micron is more
Atmosperic aerosols have a strong impact on the climate. Within the organic aerosol fraction, anhydrosugars and sugar alcohols are valuable tracers for biomass burning and biogenic sources. They are best determined by ion chromatography coupled to pu more
The summer holidays are here, which means there’ll soon be crowds flocking to the coast to spend the day at the beach. The supposed benefits of ‘fresh sea air’ are commonly extolled, but its origins might not be what you think: it’s the chemical compounds produced by algae and seaweed that contribut more
The aroma of pine trees is one that’s evocative of Christmas; one of the responsible molecules, alpha-pinene, has already been featured on the Chemistry Advent Calendar, but here we take a more detailed look at the chemical constituents of the aroma. One of the most important contributors to the Chr more
Imagine you heard from someone that you were surrounded by millions of microorganisms. At home, at work, in the gym, even in nature: Every day they are there. Sounds scary doesn’t it? These microorganisms that surround us are so called airborne biological particles or just bio-aerosols for short and
Aerosol particles reaction could happen between different components within a particle or between a particle and its environment. The fate of atmospheric aerosols depends on the environment, the composition and the distribution of the components within a particle. It could be very interesting to see more
Mass transfer between the gas and condensed phases in aerosols can be limited by slow bulk diffusion within viscous particles. During the heterogeneous and multiphase reactions of viscous organic aerosol particles, it is necessary to consider the interplay of numerous mass transfer processes and how more
Oxalic acid (OxA) is an end product in the oxidation of many organic compounds before CO2 and therefore is ubiquitous in the atmosphere and the most abundant organic species in aerosols. To better understand the hygroscopic properties of OxA under sub- and supersaturated conditions in the atmosphere more
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