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Private-label cigarettes are cigarettes that belong to the retailer itself. Private-label cigarettes from discounters or supermarkets are cheaper than brand-name cigarettes, and their lower price has allowed them to garner an ever-increasing share of the tobacco product market, especially among lower socioeconomic groups. Particulate matter (PM), a considerable component of air pollution, is a substantial health-damaging factor. Smoking is the primary source of PM in smokers’ homes. In a 2.88 m3 measuring chamber, the PM emission fractions PM10, PM2.5, and PM1 from three private-label cigarette brands and three brand-name cigarette brands with identical nicotine, tar, and carbon monoxide content were measured and compared to those of a reference cigarette by laser aerosol spectroscopy. All cigarette brands emitted PM in health-threatening quantities. The measurement results ranged from 1394 µg/m3 to 1686 µg/m3 PM10, 1392 µg/m3 to 1682 µg/m3 PM2.5, and 1355 µg/m3 to 1634 µg/m3 PM1, respectively. Only one private-label brand differed significantly (p < 0.001) from the other cigarette brands, which were tested with slightly lower PM levels. All other brands differed only marginally (not significant, p > 0.05) from one another. Significant (p < 0.05) negative correlations between private-label and brand-name cigarettes were found for PM10, PM2.5, and PM1 when accounting for tobacco filling densities, and for PM1 when accounting for filter lengths. The especially health-hazardous fraction PM1 accounted for the largest proportion of PM emissions from the cigarettes tested. The results of this study suggest that- cheaper tobacco products are as harmful as more expensive ones, at least regarding PM emissions. This highlights the importance of anti-smoking campaigns, especially for lower socioeconomic groups, where smoking is more widespread. Governments should reduce the price gap between cheap and more expensive tobacco products by implementing specific tobacco taxes. In such a case, at increasing prices of tobacco products, a downward shift to private-label cigarettes would probably decrease.
Radon ist ein ubiquitär im Erdmantel sowie in der Luft und im Wasser vorkommendes radioaktives Edelgas. Obwohl die mit der Exposition assoziierten Erkrankungen seit dem Mittelalter bekannt waren, ist eine kausale Zuordnung von Agens und Krankheit erst in der Mitte des letzten Jahrhunderts gelungen. Durch die physikalischen Eigenschaften des Gases ist die Prävention darauf ausgerichtet, die Exposition zu minimieren. Eine koordinierte Bemühung der EU, durch einheitliche Regeln die Bevölkerung zu schützen, stellt die Richtlinie 2013/59/EURATOM vom 5. Dezember 2013 dar. Umgesetzt in nationales Recht, sah die deutsche Strahlenschutzgesetzgebung vor, dass am 01.01.2021 die verantwortlichen Bundesländer basierend auf einer Expositionskarte die Gebiete festlegen, in denen der Grenzwert der Aktivitätskonzentration von Radon in der Luft im Jahresmittel 300 Bq/m3 überschreitet. In dieser Arbeit sollen die Fortschritte auf dem Weg zu einem umfassenderen Schutz vor den Gefahren durch Radon für die Bevölkerung in Deutschland dargestellt werden.
Electronic circular dichroism unravels atropisomers of a broadly absorbing fulgide derivative
(2022)
We prepared and studied six atropisomers with different chiroptical properties emerging from a single, robust, broadly-absorbing fulgide photoswitch. After separation of the different atropisomers via HPLC on a chiral column, their isomerization processes at room temperature and the energy barriers of the different species were investigated in detail using spectroscopic and theoretical methods.
Die vorliegende Übersicht zum Biomarker Neurofilament-Leichtketten (NFL) wird im Rahmen der Serie „Biomarker“ des Zentralblatts für Arbeitsmedizin, Arbeitsschutz und Ergonomie publiziert. Das NFL ist ein Serummarker in der Diagnostik der multiplen Sklerose. NFL eignet sich als Marker zur Therapie‑, Verlaufs- und Rezidivkontrolle von multipler Sklerose. Hier zeigt dieser eine hohe Sensitivität und Spezifität.
Background: After nearly a quarter-century of declining poverty, the numbers are rising again significantly. This is due not only to effects of climate change but also to the COVID-19 pandemics and armed conflict. Combined with the enormous health impacts, that will cause misery and health care costs worldwide. Therefore, this study provides background information on the global research landscape on poverty and health to help researchers, stakeholders, and policymakers determine the best way to address this threat.
Results: The USA is the key player, dealing mainly with domestic issues. European countries are also involved but tend to be more internationally oriented. Developing countries are underrepresented, with Nigeria standing out. A positive correlation was found between publication numbers and economic strength, while the relationship between article numbers and multidimensional poverty was negatively correlated.
Conclusions: These findings highlight the need for advanced networking and the benefits of cross-disciplinary research to mitigate the coming impacts.