An electron–ion coincidence spectrometer for commissioning of a synchrotron radiation beamline: Absolute photon intensity and content of higher harmonic radiation

Autor: Henrik B. Pedersen, Sofie J. Lanng, Björn Bastian, Lasse S. Harbo, Søren V. Hoffmann, Nykola C. Jones, Marcel Mudrich, Torsten A. Nielsen, Annette Svendsen, Ricky Teiwes

Publikováno v: Pedersen, H B, Lanng, S J, Bastian, B, Harbo, L S, Hoffmann, S V, Jones, N C, Mudrich, M, Nielsen, T A, Svendsen, A & Teiwes, R 2023, ' An electron–ion coincidence spectrometer for commissioning of a synchrotron radiation beamline: Absolute photon intensity and content of higher harmonic radiation ', Review of Scientific Instruments, vol. 94, 053102 . https://doi.org/10.1063/5.0147173

We describe the commissioning of a new electron–ion coincidence spectrometer used to diagnose the photon beam from a plane grating monochromator beamline at the ASTRID2 synchrotron radiation facility. The spectrometer allows determination of the ab

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f914224fe65d9cd4221f926fce8bc8
https://pure.au.dk/ws/files/320713129/RSI23_AR_00295.pdf

Light Driven Ultrafast Bioinspired Molecular Motors: Steering and Accelerating Photoisomerization Dynamics of Retinal

Autor: Elisabeth Gruber, Adil M. Kabylda, Mogens Brøndsted Nielsen, Anne P. Rasmussen, Ricky Teiwes, Pavel A. Kusochek, Anastasia V. Bochenkova, Lars H. Andersen

Publikováno v: Gruber, E, Kabylda, A M, Nielsen, M B, Rasmussen, A P, Teiwes, R, Kusochek, P A, Bochenkova, A V & Andersen, L H 2022, ' Light Driven Ultrafast Bioinspired Molecular Motors : Steering and Accelerating Photoisomerization Dynamics of Retinal ', Journal of the American Chemical Society, vol. 144, no. 1, pp. 69-73 . https://doi.org/10.1021/jacs.1c10752

Photoisomerization of retinal protonated Schiff base in microbial and animal rhodopsins are strikingly ultrafast and highly specific. Both protein environments provide conditions for fine-tuning the photochemistry of their chromophores. Here, by comb

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41aafa575510730e7a74b5b0522e6166
https://pubmed.ncbi.nlm.nih.gov/34958197

Factor analysis of chemical ionization experiments: Numerical simulations and an experimental case study of the ozonolysis of α-pinene using a PTR-ToF-MS

Autor: Marianne Glasius, Ricky Teiwes, Henrik B. Pedersen, Kasper Kristensen, Merete Bilde, Bernadette Rosati, Rossana Bossi, Henrik Skov

Publikováno v: Atmospheric Environment. 199:15-31

In this study we examine the application of a factor analysis technique for datasets recorded by the chemical ionization instrument Proton Transfer Reaction - Time-of-Flight - Mass Spectrometer (PTR-ToF-MS). Numerical simulations were carried out to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20ad6ed4c645be630491af5e6a8fedb8
https://doi.org/10.1016/j.atmosenv.2018.11.012

The reaction of isotope-substituted hydrated iodide I(H 182O)− with ozone:the reactive influence of the solvent water molecul

Autor: Ricky Teiwes, Simon P. S. Jessen, Merete Bilde, Christian H. Frederiksen, Jonas Elm, Henrik B. Pedersen

Publikováno v: Pedersen, H B, Elm, J, Frederiksen, C H, Jessen, S P S, Teiwes, R & Bilde, M 2020, ' The reaction of isotope-substituted hydrated iodide I(H 18 2 O)− with ozone : the reactive influence of the solvent water molecul ', Physical Chemistry Chemical Physics, vol. 22, no. 34, pp. 19080-19088 . https://doi.org/10.1039/d0cp03219k

We report an investigation of the reaction of isotope-substituted hydrated iodide I(H182O)− with ozone 16O3 to examine the involvement of the water molecules in the oxidation reactions that terminate with the formation of IO3−. Experimentally, we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f7fb78448556f292112dd70c8c1b485
https://pure.au.dk/portal/da/publications/the-reaction-of-isotopesubstituted-hydrated-iodide-ih-182o-with-ozone(8354dac3-4cbd-453f-b376-25ab6303c97a).html

Supplementary material to 'Temperature and VOC concentration as controlling factors for chemical composition of alpha-pinene derived secondary organic aerosol'

Autor: Louise N. Jensen, Manjula R. Canagaratna, Kasper Kristensen, Lauriane L. J. Quéléver, Bernadette Rosati, Ricky Teiwes, Marianne Glasius, Henrik B. Pedersen, Mikael Ehn, Merete Bilde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::60006b21a95dff52c1e9ecd3fbff491f
https://doi.org/10.5194/acp-2020-100-supplement