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Pinpointing Pollutants from Space

Industrial plants can be precisely located to within two kilometers

19-Nov-2019

Nitrogen oxides (NO and NO2) are major contributors to air pollution. In order to accurately predict air quality and develop strategies to reduce pollution, precise emission data are needed. Daily satellite measurements can help to derive such data. The measuring instrument observes a specific ...

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Prestigious prize for superconductivity researcher Mikhail Eremets

04-Nov-2019

The American Physical Society (APS) awards Mikhail Eremets the 2020 James C. McGroddy Prize for New Materials. As recently announced, the researcher from the Max Planck Institute for Chemistry receives the honor for his "For pioneering studies of hydrides, a new family of high Tc materials, and ...

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A chemical criterion for rating movies

The isoprene concentration in the air is an objective indicator for setting the age rating of films

15-Oct-2018

A measurable criterion now exists for determining the age rating of films. A group of scientists at the Max Planck Institute for Chemistry in Mainz has found that the concentration of isoprene in cinema air correlates with the cinema industry‘s voluntary classification of films. Evidently, the ...

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Multiyear Tracking of Atmospheric Radicals

New method derive both short-lived atmospheric hydroxyl and chlorine radical concentrations over several years

13-Sep-2018

Hydroxyl radicals (OH) keep our atmosphere clean. They react away toxic gases such as carbon monoxide (CO), and slow climate warming by removing greenhouse gases like methane (CH4). In some parts of the atmosphere, chlorine radicals (Cl) can also help this purification process, for example in the ...

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The cycling of poisonous chemicals from the past

Monsoon remobilizes phased-out chemicals stored in South Asian soils

15-Aug-2018

Persistent organic pollutants are toxic chemicals that cannot decompose in nature, or only do so very slowly, and are harmful to the environment. Through accumulation along food chains they also have significant negative effects on human health. Nowadays, many of them are banned. Traces of those ...

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Surprise from the jungle soil

Soil microorganisms in the Amazon rainforest can affect atmospheric chemistry

01-Aug-2018

The Amazon rainforest is the largest forest on earth. Its trees emit huge amounts of volatile substances that influence the chemical composition of the air. Some of these substances are the so-called sesquiterpenes, very reactive chemicals that can rapidly consume ozone. Until recently scientists ...

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Reducing manure and fertilizers decreases atmospheric fine particles

A decrease of agricultural ammonia emissions avoids mortality attributable to air pollution

01-Nov-2017

Fine particulates have numerous sources – not only traffic, which is currently under particular scrutiny. Reducing agricultural emissions could also considerably reduce the particulate levels that are hazardous to health, concludes a study by researchers at the Max Planck Institute for Chemistry ...

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Fine organic particles in the atmosphere are more often solid glass beads than liquid oil droplets

Glassy solid particles can facilitate long-distance atmospheric transport of hazardous organic pollutants

25-Apr-2017

Secondary organic aerosols (SOA) are formed upon oxidation of volatile organic compounds in the atmosphere. They account for a large fraction of fine particulate matter and have a strong influence on regional and global air quality. Traditionally, SOA particles were assumed to be oily liquid ...

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Self-amplifying chemical mechanism explains severe winter haze events

23-Dec-2016

In the aqueous phase of aerosol particles, nitrogen and sulfur oxides can react with each other and rapidly form high concentrations of fine particulate matter through a previously unrecognized mechanism. Persistent haze consisting of fine aerosol particles shrouds Beijing and large part of China ...

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New momentum for Open Access

Berlin Conference on the reorganisation of funding models for scholarly journals

14-Dec-2015

A new approach should give a fresh boost to Open Access, the unrestricted online access to scholarly research articles. This is the result of an international conference in Berlin, where a process was initiated to transform subscription journals to Open Access. The key to this lies in the hands ...

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