Results 31 to 40 of about 993,566 (290)

Nuclear-Motion Effects in Attosecond Transient Absorption Spectroscopy of Molecules

open access: yes, 2015
We investigate the characteristic effects of nuclear motion on attosecond transient absorption spectra in molecules by calculating the spectrum for different model systems.
Bækhøj, Jens E.   +2 more
core   +1 more source

Infrared Absorption Spectra

open access: yesPhysics Today, 1951
The National Research Council has announced the formation of a new Committee on Infrared Absorption Spectra which is intended to take over the work of the Punch Card Committee of the Symposium on Molecular Structure and Spectroscopy of Ohio State University.
  +5 more sources

Electron-Vibration Structure of Absorption Spectra of Resazurine [PDF]

open access: yesЖурнал нано- та електронної фізики, 2011
In the work the experimental and theoretical investigation of the spectral characteristics of a resazurin molecule are carried out. Comparison of results of experimental and theoretical researches has allowed showing, that the spectrum of absorption in ...
T.N. Sakun   +2 more
doaj  

Radiative properties of highly magnetized isolated neutron star surfaces and approximate treatment of absorption features in their spectra

open access: yes, 2010
In the X-ray spectra of most X-ray dim isolated neutron stars (XDINSs) absorption features with equivalent widths (EWs) of 50 -- 200 eV are observed.
A. Y. Potekhin   +62 more
core   +1 more source

Systematic Theoretical Study on the pH-Dependent Absorption and Fluorescence Spectra of Flavins

open access: yesMolecules, 2023
Flavins are a class of organic compounds with the basic structure of 7,8-dimethy-10-alkyl isoalloxazine. They are ubiquitous in nature and participate in many biochemical reactions. Due to various existing forms, there is a lack of systematic research on
Jinyu Wang, Yajun Liu
doaj   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Indirect Optical Absorption of Single Crystalline beta-FeSi2

open access: yes, 2004
We investigated optical absorption spectra near the fundamental absorption edge of beta-FeSi2 single crystals by transmission measurements. The phonon structure corresponding to the emission and absorption component was clearly observed in the low ...
Kikuma, Isao   +4 more
core   +2 more sources

Modeling of phytochrome absorption spectra

open access: yesJournal of Computational Chemistry, 2013
Phytochromes constitute one of the six well‐characterized families of photosensory proteins in Nature. From the viewpoint of computational modeling, however, phytochromes have been the subject of much fewer studies than most other families of photosensory proteins, which is likely a consequence of relevant high‐resolution structural data becoming ...
Falklöf, Olle, Durbeej, Bo
openaire   +4 more sources

The (Glg)ABCs of cyanobacteria: modelling of glycogen synthesis and functional divergence of glycogen synthases in Synechocystis sp. PCC 6803

open access: yesFEBS Letters, EarlyView.
We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee   +3 more
wiley   +1 more source

Absorption and photoconductivity spectra of amorphous multilayer structures

open access: yesBeilstein Journal of Nanotechnology, 2020
The experimental results regarding optical absorption and steady-state photoconductivity of amorphous single-layer structures (Al–As0.40S0.30Se0.30–Al, Al–Ge0.09As0.09Se0.82–Al, and Al–Ge0.30As0.04S0.66–Al) and of an amorphous heterostructure (Al–As0 ...
Oxana Iaseniuc, Mihail Iovu
doaj   +1 more source

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