Results 21 to 30 of about 16,837,468 (303)

Acyl-Lipid Δ⁶-Desaturase May Act as a First FAD in Cyanobacteria

Biomolecules, 2022
Fatty acid desaturases (FADs) play important roles in various metabolic and adaptive pathways in all living organisms. They represent a superfamily of oxygenases that introduce double bonds into the acyl chains of fatty acids (FAs).
Alexander Y. Starikov, Roman A. Sidorov, Sergei V. Goriainov, Dmitry A. Los   +3 more
doaj   +1 more source

High-Frequency Modulation Spectroscopy with a THz Quantum-Cascade Laser [PDF]

, 2013
A terahertz absorption spectrometer with a quantum-cascade laser (QCL) for high-resolution molecular spectroscopy is realized. The spectrometer is based on highfrequency (up to 50 MHz) modulation of the QCL frequency.
H.-W. Hubers, H. Richter, Richter, Heiko, Schrottke, Lutz, Grahn, H. T., Eichholz, Rene, Hübers, Heinz-Wilhelm, Wienold, Martin, R. Eichholz, M. Wienold, L. Schrottke, H. T. Grahn   +11 more
core   +1 more source

Effects of NMR spectral resolution on protein structure calculation [PDF]

, 2013
Adequate digital resolution and signal sensitivity are two critical factors for protein structure determinations by solution NMR spectroscopy. The prime objective for obtaining high digital resolution is to resolve peak overlap, especially in NOESY ...
Victor Jaravine, Peter Güntert (433824), Guntert, P., Tikole, S., Jaravine, Victor, Victor Jaravine (433822), Orekhov, Vladislav,, Orekhov, Vladislav Yu., Jaravine, Victor,, Vladislav Yu. Orekhov (433823), Suhas Tikole (433821), Tikol, Suhas, Suhas Tikole, Vladislav Yu Orekhov, Peter Güntert, Güntert, Peter   +15 more
core   +2 more sources

The high-resolution frontier in infrared spectroscopy [PDF]

, 2005
High-resolution astronomical spectroscopy in the infrared from large groundbased telescopes will lead to outstanding developments in many areas of astrophysics.
Black, John H,, Black, John H, Black, John H.   +2 more
core   +1 more source

Characterization of membrane protein function by solid-state NMR spectroscopy [PDF]

, 2014
Membrane proteins are an important class of biological molecules whose association with lipid bilayers and intrinsic molecular mobility can complicate their structural study by high-resolution methods.
Baldus, Marc, NMR Spectroscopy, Sub NMR Spectroscopy, Baker, Lindsay A.   +3 more
core   +1 more source

High resolution MRI of the brain at 4.7 Tesla using fast spin echo imaging [PDF]

, 2003
Over recent years, high field MR scanners (3 T and above) have become increasingly widespread due to potential advantages such as higher signal-to-noise ratio.
Thomas, D.L., Roberts, S., Yousry, T.A., Ordidge, R.J., De Vita, E., Parkes, H.G., Kinchesh, P., Parkes, H., Shmueli, K., Yousry, T., Turner, R., Thomas, D., Ordidge, R.   +12 more
core   +1 more source

High-resolution isotope-shift spectroscopy of Cd i

Physical Review Research, 2023
We present absolute frequency measurements of the ^{1}P_{1}←^{1}S_{0} (229-nm) and ^{3}P_{1}←^{1}S_{0} (326-nm) transitions for all naturally occurring isotopes of cadmium.
Simon Hofsäss, J. Eduardo Padilla-Castillo, Sid C. Wright, Sebastian Kray, Russell Thomas, Boris G. Sartakov, Ben Ohayon, Gerard Meijer, Stefan Truppe   +8 more
doaj   +1 more source

M67 Blue Stragglers with High-resolution Infrared Spectroscopy

The Astronomical Journal, 2023
We report on the first detailed infrared chemical analysis of five binary members (S277, S997, S975, S1031, and S1195) in the open cluster M67 (NGC 2682).
K. E. Brady, C. Sneden, C. A. Pilachowski, Melike Afşar, G. N. Mace, D. T. Jaffe, N. M. Gosnell, R. Seifert   +7 more
doaj   +1 more source

Self – induced pulsed-mode emission in low-temperature inductively coupled arsenic-argon plasma

Frontiers in Physics
High-frequency inductively coupled radiation sources are widely used as light sources in applications requiring narrow and stable spectral emission lines, especially in the UV region, such as atomic absorption spectrometry.
Rolands Gudermanis, Gita Revalde, Gita Revalde, Anda Abola, Atis Skudra   +4 more
doaj   +1 more source

ExoGemS Detection of a Metal Hydride in an Exoplanet Atmosphere at High Spectral Resolution

The Astrophysical Journal Letters, 2023
Exoplanet atmosphere studies are often enriched by synergies with brown dwarf analogs. However, many key molecules commonly seen in brown dwarfs have yet to be confirmed in exoplanet atmospheres.
Laura Flagg, Jake D. Turner, Emily Deibert, Andrew Ridden-Harper, Ernst de Mooij, Ryan J. MacDonald, Ray Jayawardhana, Neale Gibson, Adam Langeveld, David Sing   +9 more
doaj   +1 more source