Articles with "nmr relaxation" as a keyword



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Triple resonance 15N NMR relaxation experiments for studies of intrinsically disordered proteins

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Published in 2017 at "Journal of Biomolecular NMR"

DOI: 10.1007/s10858-017-0138-1

Abstract: Description of protein dynamics is known to be essential in understanding their function. Studies based on a well established $$^{15}\hbox {N}$$15N NMR relaxation methodology have been applied to a large number of systems. However, the… read more here.

Keywords: hbox 13c; relaxation; hbox 15n; nmr relaxation ... See more keywords
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NMR relaxation parameters of methyl groups as a tool to map the interfaces of helix–helix interactions in membrane proteins

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Published in 2017 at "Journal of Biomolecular NMR"

DOI: 10.1007/s10858-017-0146-1

Abstract: In the case of soluble proteins, chemical shift mapping is used to identify the intermolecular interfaces when the NOE-based calculations of spatial structure of the molecular assembly are impossible or impracticable. However, the reliability of… read more here.

Keywords: parameters methyl; helix helix; relaxation parameters; nmr relaxation ... See more keywords
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19F NMR relaxation studies of fluorosubstituted tryptophans.

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Published in 2019 at "Journal of biomolecular NMR"

DOI: 10.1007/s10858-019-00268-y

Abstract: We present 19F longitudinal and transverse relaxation studies for four differently fluorosubstituted L-tryptophans, which carry single F atoms in the indole ring, both in the context of the free amino acid and when located in… read more here.

Keywords: fluorosubstituted tryptophans; relaxation; nmr relaxation; 19f nmr ... See more keywords
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Modulation of hydration characteristics of carbohydrates in aqueous medium of γ-amino butyric acid via volumetric, rheological and time-domain longitudinal NMR relaxation studies

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Published in 2018 at "Journal of Molecular Liquids"

DOI: 10.1016/j.molliq.2017.11.059

Abstract: Abstract Carbohydrates such as saccharides and their derivatives are engaged in various biological processes such as in transportation and transmission of genetic material, enzymatic processes, and regulation of metabolism. γ-Amino butyric acid (γ-ABA) is a… read more here.

Keywords: amino; volumetric rheological; amino butyric; nmr relaxation ... See more keywords
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Optorelaxers: Achieving real-time control of NMR relaxation.

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Published in 2018 at "Solid state nuclear magnetic resonance"

DOI: 10.1016/j.ssnmr.2018.09.002

Abstract: We present an approach to increase the detection sensitivity of NMR by shortening the spin-lattice relaxation time using transient paramagnetic species created by light irradiation of "optorelaxer" molecules. In the ultimate implementation of this concept,… read more here.

Keywords: relaxation; real time; time; nmr relaxation ... See more keywords

Miscible Fluid Displacement in Rock Cores Evaluated with NMR T2 Relaxation Time Measurements

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Published in 2020 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.0c03001

Abstract: NMR T2 relaxation times for fluids in a porous medium are, in principle, proportional to the relevant occupied pore size. Here, we exploit this relationship to monitor the pore size distribution oc... read more here.

Keywords: displacement rock; relaxation; miscible fluid; fluid displacement ... See more keywords
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Sensitivity of Proton NMR Relaxation and Proton NMR Diffusion Measurements to Olive Oil Adulterations with Vegetable Oils

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Published in 2021 at "Journal of Agricultural and Food Chemistry"

DOI: 10.1021/acs.jafc.1c00914

Abstract: Olive oils and, in particular, extra-virgin olive oils (EVOOs) are one of the most frauded food. Among the different adulterations of EVOOs, the mixture of high-quality olive oils with vegetable oils is one of the… read more here.

Keywords: proton nmr; diffusion; vegetable oils; nmr relaxation ... See more keywords
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Molecular Dynamics-Assisted Optimization of Protein NMR Relaxation Analysis.

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Published in 2022 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.1c01165

Abstract: NMR relaxation analysis of the mobile residues in globular proteins is sensitive to the form of the experimentally fitted internal autocorrelation function, which is used to represent that motion. Different order parameter representations can precisely… read more here.

Keywords: nmr relaxation; relaxation analysis; relaxation; autocorrelation functions ... See more keywords
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NMR Relaxation of Functionalized Dendrimers

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Published in 2019 at "Macromolecules"

DOI: 10.1021/acs.macromol.9b01427

Abstract: Functionalized dendrimers are a novel type of dendritic macromolecules that contain functionalized groups that do not take part in the dendrimer’s synthetic cycle. Focusing on the local dynamics of... read more here.

Keywords: functionalized dendrimers; nmr relaxation; relaxation functionalized;
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Oxidative Coupling of Aldehydes with Alcohol for the Synthesis of Esters Promoted by Polystyrene-Supported N-Heterocyclic Carbene: Unraveling the Solvent Effect on the Catalyst Behavior Using NMR Relaxation

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Published in 2020 at "Organic Letters"

DOI: 10.1021/acs.orglett.0c01188

Abstract: Heterogeneous organocatalysts hold great potential as they offer practical advantages in terms of purification and reusability compared with the homogeneous counterpart. A puzzling aspect is the solvent effect on their catalytic performance. Here we propose… read more here.

Keywords: solvent effect; nmr relaxation; polystyrene supported; supported heterocyclic ... See more keywords
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Product Inhibition in Glycerol Oxidation over Au/TiO2 Catalysts Quantified by NMR Relaxation

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Published in 2018 at "ACS Catalysis"

DOI: 10.1021/acscatal.8b01516

Abstract: Liquid-phase catalytic oxidation of glycerol in aqueous solutions using porous solid catalysts represents a viable strategy for the sustainable production of fine chemicals from renewable resources. Various aspects of these novel types of reactions are… read more here.

Keywords: nmr relaxation; tio2 catalysts; oxidation; glycerol ... See more keywords