Results 21 to 30 of about 37,070 (307)

Nitroxide Labeling of Proteins and the Determination of Paramagnetic Relaxation Derived Distance Restraints for NMR Studies

open access: yesBio-Protocol, 2017
Site-specific attachment of paramagnetic spin labels to biomolecules causes distance-dependent line-broadening effects, which can be exploited to study the structure and dynamics of these molecules in solution.
Megan Sjodt, Robert Clubb
doaj   +1 more source

Study on the synthesis of spin labeled poly(styrene-co-maleic acid)s and their segmental motion

open access: yesMagnetic Resonance Letters, 2022
Study of the segmental mobility of polymer chains is important when the polymer is used as drag reduction agents of crude oil. Electron spin resonance (ESR) spectroscopy can provide important information about segmental dynamics of polymer chains, which ...
Kaleem-Ur-Rahman Naveed   +11 more
doaj   +1 more source

SPIN-LABELED TRANSFER RNA [PDF]

open access: yesProceedings of the National Academy of Sciences, 1969
The α-amino group of valyl-tRNA has been combined chemically with a nitroxide spin label through an amide linkage. This spin-labeled aminoacyl-tRNA has an electron paramagnetic resonance spectrum which reflects the mobility of the aminoacyl end of the tRNA molecule.
B M, Hoffman, P, Schofield, A, Rich
openaire   +2 more sources

Parity and spin CFT with boundaries and defects

open access: yesSciPost Physics, 2023
This paper is a follow-up to [J. High Energy Phys. 06, 025 (2020)] in which two-dimensional conformal field theories in the presence of spin structures are studied.
Ingo Runkel, Lóránt Szegedy, Gérard M. T. Watts
doaj   +1 more source

Spin-Labeled Neurospora Mitochondria

open access: yesBiophysical Journal, 1970
Spin-label studies were carried out on Neurospora mitochondria under in vivo and in vitro labeling conditions. A long-chained spin-labeled fatty acid was incorporated by Neurospora and was found in mitochondrial phospholipids. The molecular motion at various temperatures was different from that for the same spin label under in vitro labeling conditions.
Keith, Alec   +2 more
openaire   +3 more sources

Myocardial arterial spin labeling [PDF]

open access: yesJournal of Cardiovascular Magnetic Resonance, 2016
Arterial spin labeling (ASL) is a cardiovascular magnetic resonance (CMR) technique for mapping regional myocardial blood flow. It does not require any contrast agents, is compatible with stress testing, and can be performed repeatedly or even continuously. ASL-CMR has been performed with great success in small-animals, but sensitivity to date has been
Kober, Frank   +3 more
openaire   +3 more sources

Structural Refinement of Proteins by Restrained Molecular Dynamics Simulations with Non-interacting Molecular Fragments. [PDF]

open access: yesPLoS Computational Biology, 2015
The knowledge of multiple conformational states is a prerequisite to understand the function of membrane transport proteins. Unfortunately, the determination of detailed atomic structures for all these functionally important conformational states with ...
Rong Shen   +5 more
doaj   +1 more source

Erythrosin B as a New Photoswitchable Spin Label for Light-Induced Pulsed EPR Dipolar Spectroscopy

open access: yesMolecules, 2022
We present a new photoswitchable spin label for light-induced pulsed electron paramagnetic resonance dipolar spectroscopy (LiPDS), the photoexcited triplet state of erythrosin B (EB), which is ideal for biological applications.
Arnau Bertran   +7 more
doaj   +1 more source

Spin-labeled lipid A [PDF]

open access: yesAnalytical Biochemistry, 2008
Lipopolysaccharide (LPS), a major component of the outer membranes of gram-negative bacteria, is composed of a polysaccharide chain attached to a lipid A base that contains a disaccharide headgroup with two negative phosphate groups and at least four acyl chains.
Lynn E, Bretscher   +2 more
openaire   +2 more sources

Spin Probes as Scavengers of Free Radicals in Cells

open access: yesApplied Sciences, 2022
Spin probes can be used to monitor biological membranes, including the penetration of different molecules into cells. The aim of the present studies was an investigation of the endocytosis process of two spin labels—2,2,6,6-Tetramethylpiperidine-1-oxyl ...
Bernadeta Dobosz   +5 more
doaj   +1 more source

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