European Physical Journal D, volume 76, issue 5, publication number 76

On the temperature of large biomolecules in ion-storage rings

Publication typeJournal Article
Publication date2022-05-04
Quartile SCImago
Q3
Quartile WOS
Q3
Impact factor1.8
ISSN14346060, 01787683, 14346079
Atomic and Molecular Physics, and Optics
Abstract
A method to determine the temperature of molecular ions in an ion-storage ring is presented. Molecular ions were repeatedly irradiated by laser pulses over several hundred milliseconds, and the rate of fragmentation was used to determine the temperature of the photoexcited ions. The initial temperature of the ions before photoabsorption was in turn found from the microcanonical caloric curve for the molecule of interest. The temperature evolution of the protonated GFP chromophore in the ELISA storage ring was found for different starting conditions by this method. We find that the initial temperature of the ions when entering the ring depends on the ion-trap temperature and the amount of buffer gas used in the trap. In particular, collisional heating during acceleration after the ion trap can be significant. Protonated GFP chromophores, produced under different conditions, were used to determine temperature effects on the gas-phase absorption spectra.

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Rasmussen A. P. et al. On the temperature of large biomolecules in ion-storage rings // European Physical Journal D. 2022. Vol. 76. No. 5. 76
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Rasmussen A. P., Teiwes R., Farkhutdinova D. A., Bochenkova A. V., Andersen L. P. On the temperature of large biomolecules in ion-storage rings // European Physical Journal D. 2022. Vol. 76. No. 5. 76
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TY - JOUR
DO - 10.1140/epjd/s10053-022-00400-y
UR - https://doi.org/10.1140%2Fepjd%2Fs10053-022-00400-y
TI - On the temperature of large biomolecules in ion-storage rings
T2 - European Physical Journal D
AU - Rasmussen, Anne P
AU - Teiwes, Ricky
AU - Farkhutdinova, Dilara A
AU - Andersen, L P
AU - Bochenkova, Anastasia V.
PY - 2022
DA - 2022/05/04 00:00:00
PB - Springer Nature
IS - 5
VL - 76
SN - 1434-6060
SN - 0178-7683
SN - 1434-6079
ER -
BibTex
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@article{2022_Rasmussen
author = {Anne P Rasmussen and Ricky Teiwes and Dilara A Farkhutdinova and L P Andersen and Anastasia V. Bochenkova},
title = {On the temperature of large biomolecules in ion-storage rings},
journal = {European Physical Journal D},
year = {2022},
volume = {76},
publisher = {Springer Nature},
month = {may},
url = {https://doi.org/10.1140%2Fepjd%2Fs10053-022-00400-y},
number = {5},
doi = {10.1140/epjd/s10053-022-00400-y}
}
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