Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Sven Ehlert"'
Publikováno v:
Applied Sciences, Vol 11, Iss 9, p 3754 (2021)
While fast and reliable analytical results are crucial for first responders to make adequate decisions, these can be difficult to establish, especially at large-scale clandestine laboratories. To overcome this issue, multiple techniques at different
Externí odkaz:
https://doaj.org/article/a65399738471447090e0590ee362b6e1
Publikováno v:
Foods, Vol 9, Iss 5, p 627 (2020)
Process control with high time resolution is essential to maintain high product quality in coffee roasting. However, analytical techniques for quality assurance or measurements of desired coffee properties are often labor-intensive and can only be co
Externí odkaz:
https://doaj.org/article/7d02df4c4e774d098d1328fea1cb3a11
Publikováno v:
Applied Sciences, Vol 8, Iss 6, p 933 (2018)
Fast and reliable information is crucial for first responders to draw correct conclusions at crime scenes. An ambient pressure laser desorption (APLD) mass spectrometer is introduced for this scenario, which enables detecting substances on surfaces w
Externí odkaz:
https://doaj.org/article/23c5651e162c471c9176b845b319fb86
Autor:
Ralf Zimmermann, Johannes Passig, Robert Irsig, Hendryk Czech, Patrick Martens, Thomas Adam, Julian Schade, Sven Ehlert
Publikováno v:
Annals of Work Exposures and Health. 67:i2-i3
Air pollution by fine particles represents a severe environmental health-risk. The particle’s content of toxic compounds, such as polycyclic aromatic hydrocarbons (PAH), elemental carbon/soot or redox-active transition metals (e.g. Fe), is highly r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbebac4d021e4c8f6ee8e81c43f0b9ec
https://doi.org/10.1093/annweh/wxac087.006
https://doi.org/10.1093/annweh/wxac087.006
Autor:
Paul Kösling, Christopher P. Rüger, Julian Schade, Sven Ehlert, Uwe Etzien, Anton N. Kozhinov, Yury O. Tsybin, Martin Rigler, Thomas Adam, Andreas Walte, Bert Buchholz, Ralf Zimmermann
Publikováno v:
Anal. Chem. 94, 16855–16863 (2022)
The comprehensive chemical description of air pollution is a prerequisite for understanding atmospheric transformation processes and effects on climate and environmental health. In this study, a prototype vacuum photoionization Orbitrap mass spectrom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c977a363d036745d3565bde865af694e
https://pubmed.ncbi.nlm.nih.gov/36418227
https://pubmed.ncbi.nlm.nih.gov/36418227
Autor:
Kyle L. Fort, Ralf Zimmermann, Alexander Makarov, Anton N. Kozhinov, Yury O. Tsybin, Christopher P. Rüger, R. Irsig, Paul Kösling, Sven Ehlert, Andreas Walte, Julian Schade, Martin Rigler, Konstantin O. Nagornov
Publikováno v:
Analytical Chemistry. 93:9418-9427
State-of-the-art mass spectrometry with ultraviolet (UV) photoionization is mostly limited to time-of-flight (ToF) mass spectrometers with 1000-10 000 m/Δm mass resolution. However, higher resolution and higher spectral dynamic range mass spectromet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c7fdbbe2e7f77d0af268c3eb6b1d4287
https://doi.org/10.1021/acs.analchem.1c01018
https://doi.org/10.1021/acs.analchem.1c01018
Autor:
Andreas Walte, Thomas Adam, Sven Ehlert, Ralf Zimmermann, Erik Jacobs, Jan-Martin Wolter, Jan Heide
Publikováno v:
Nicotine Tob. Res. 23, 2135-2144 (2021)
Introduction A wide array of alternative nicotine delivery devices (ANDD) has been developed and they are often described as less harmful than combustible cigarettes. This work compares the chemical emissions of three ANDD in comparison to cigarette
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9abc80a0072583d1909056ab1b78d62d
https://doi.org/10.1093/ntr/ntab091
https://doi.org/10.1093/ntr/ntab091
Autor:
Chuan Liu, Jan Heide, Fuwei Xie, Ralf Zimmermann, Sven Ehlert, Nan Deng, Huapeng Cui, Bin Li, Kevin McAdam, Andreas Walte
Publikováno v:
Beiträge zur Tabakforschung International, Vol 29, Iss 1, Pp 44-54 (2020)
Summary Background Combustion as well as pyrolysis of tobacco greatly affect the type and levels of toxicants in cigarette smoke. We previously developed an approach to combine simultaneous temperature and pressure measurements with fast in-situ micr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b678604a90c35a2936b3d54e6f05339
https://doi.org/10.2478/cttr-2020-0005
https://doi.org/10.2478/cttr-2020-0005
Publikováno v:
Analyst 146, 3137-3149 (2021)
We developed a novel fast gas chromatography (fastGC) instrument with integrated sampling of volatile organic compounds (VOCs) and detection by single-photon ionisation (SPI) time-of-flight mass spectrometry (TOFMS). A consumable-free electrical modu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab9b8af7ba41905b6757d95866ee5bab
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=61941
https://push-zb.helmholtz-muenchen.de/frontdoor.php?source_opus=61941
Publikováno v:
Rapid Commun. Mass Spectrom. 35:e8863 (2021)
Rationale Fast and sensitive detection of aromatic hydrocarbons (AHs) in water is of high importance because of their significant impact on human health and the environment. For this, resonance-enhanced multiphoton ionization (REMPI) coupled to trap-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6660c7ebf82e354f06f77bd24ce128da
https://pubmed.ncbi.nlm.nih.gov/32557743
https://pubmed.ncbi.nlm.nih.gov/32557743