Ultrafast Dynamics of Chlorine−Water and Bromine−Water Radical Complexes Following Electron Photodetachment in Their Anionic Precursors

2000 ◽  
Vol 104 (28) ◽  
pp. 6523-6531 ◽  
Author(s):  
Martina Roeselová ◽  
Uzi Kaldor ◽  
Pavel Jungwirth
Keyword(s):  
Ultrafast Dynamics ◽  
Bromine Water ◽  
Electron Photodetachment ◽  
Chlorine Water

scholarly journals Ultrafast dynamics for electron photodetachment from aqueous hydroxide

2004 ◽  
Vol 120 (24) ◽  
pp. 11712-11725 ◽  
Author(s):  
Robert A. Crowell ◽  
Rui Lian ◽  
Ilya A. Shkrob ◽  
David M. Bartels ◽  
Xiyi Chen ◽  
...  
Keyword(s):  
Ultrafast Dynamics ◽  
Electron Photodetachment

scholarly journals Mass-resolved electronic circular dichroism ion spectroscopy

Science ◽  
2020 ◽  
Vol 368 (6498) ◽  
pp. 1465-1468 ◽  
Author(s):  
Steven Daly ◽  
Frédéric Rosu ◽  
Valérie Gabelica
Keyword(s):  
Circular Dichroism ◽  
Three Dimensional ◽  
Polarized Light ◽  
Negative Ions ◽  
Data Interpretation ◽  
Electronic Circular Dichroism ◽  
Circularly Polarized Light ◽  
Chiral Compounds ◽  
Electron Photodetachment ◽  
Circular Dichroïsm

DNA and proteins are chiral: Their three-dimensional structures cannot be superimposed with their mirror images. Circular dichroism spectroscopy is widely used to characterize chiral compounds, but data interpretation is difficult in the case of mixtures. We recorded the electronic circular dichroism spectra of DNA helices separated in a mass spectrometer. We studied guanine-rich strands having various secondary structures, electrosprayed them as negative ions, irradiated them with an ultraviolet nanosecond optical parametric oscillator laser, and measured the difference in electron photodetachment efficiency between left and right circularly polarized light. The reconstructed circular dichroism ion spectra resembled those of their solution-phase counterparts, thereby allowing us to assign the DNA helical topology. The ability to measure circular dichroism directly on biomolecular ions expands the capabilities of mass spectrometry for structural analysis.

scholarly journals Element-specific investigations of ultrafast dynamics in photoexcited Cu2ZnSnS4 nanoparticles in solution

2021 ◽  
Vol 8 (2) ◽  
pp. 024501
Author(s):  
Christian Rein ◽  
Jens Uhlig ◽  
David Carrasco-Busturia ◽  
Khadijeh Khalili ◽  
Anders S. Gertsen ◽  
...  
Keyword(s):  
Ultrafast Dynamics

scholarly journals Ultrafast dynamics of the surface photovoltage in potassium-doped black phosphorus

2021 ◽  
Vol 104 (3) ◽  
Author(s):  
G. Kremer ◽  
M. Rumo ◽  
C. Yue ◽  
A. Pulkkinen ◽  
C. W. Nicholson ◽  
...  
Keyword(s):  
Black Phosphorus ◽  
Surface Photovoltage ◽  
Ultrafast Dynamics
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