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New findings from researchers at the Max Planck Institute for Chemistry and the Paul Scherrer Institute in Switzerland help to explain how toxic and allergy-causing substances in our air are formed. The scientists have for the first time detected long lived reactive oxygen intermediates on the surface of aerosol particles. These forms of oxygen survive here for more than 100 seconds and in that time react with other air pollutants such as nitrogen oxides. Chemically speaking, the dust particles are oxidized and nitrated. This is what makes soot particles more toxic and increases the potential of pollen to cause allergies.
2011; doi: 10.1038/NCHEM.988 Related Links The amazon

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The renowned Lebanese-Australian scholar Ghassan Hage, who is highly acclaimed in the scientific community, has been working at the Max Planck Institute for Social Anthropology since April 2023. Recently, he has shared a series of posts on social media expressing views that are incompatible with the core values of the Max Planck Society. In agreement with the Institute, the Max Planck Society has therefore ended its working relationship with Prof. Hage.
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The renowned Lebanese-Australian scholar Ghassan Hage, who is highly acclaimed in the scientific community, has been working at the Max Planck Institute for Social Anthropology since April 2023. Recently, he has shared a series of posts on social media expressing views that are incompatible with the core values of the Max Planck Society. In agreement with the Institute, the Max Planck Society has therefore ended its working relationship with Prof. Hage.
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An Kaliumsalzen aus Pflanzen und Pilzen entstehen über dem Amazonas-Regenwald Aerosolpartikel. Da Aerosole als Kondensationskeime für Wolkentröpfchen und Nebeltröpfchen dienen, spielen die Partikel und mithin die Salze eine wichtige Rolle bei der Wolken- und Nebelbildung und somit auch bei der Niederschlagsentstehung und im Klima, wie die Arbeit der Forscher um M. O. Andreae und U. Pöschl vom Max-Planck-Institut für Chemie zur Atmosphärenchemie ergeben hat. Die Ergebnisse die Vorhersagen der Klimaforschung verbessern.
particles as seeds for secondary organic aerosol in the Amazon

An Kaliumsalzen aus Pflanzen und Pilzen entstehen über dem Amazonas-Regenwald Aerosolpartikel. Da Aerosole als Kondensationskeime für Wolkentröpfchen und Nebeltröpfchen dienen, spielen die Partikel und mithin die Salze eine wichtige Rolle bei der Wolken- und Nebelbildung und somit auch bei der Niederschlagsentstehung und im Klima, wie die Arbeit der Forscher um M. O. Andreae und U. Pöschl vom Max-Planck-Institut für Chemie zur Atmosphärenchemie ergeben hat. Die Ergebnisse die Vorhersagen der Klimaforschung verbessern.
particles as seeds for secondary organic aerosol in the Amazon

Researchers discover how microbial cooperation can emerge
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