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[PDF] Top 20 Dynamic Nuclear Polarization Opens New Perspectives for NMR Spectroscopy in Analytical Chemistry

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Dynamic Nuclear Polarization Opens New Perspectives for NMR Spectroscopy in Analytical Chemistry

Dynamic Nuclear Polarization Opens New Perspectives for NMR Spectroscopy in Analytical Chemistry

... of NMR. While DNP-MAS NMR is already a technique which has reinforced the applicability of conventional MAS NMR by addressing previously unsolvable problems, the applications of dissolution DNP are ... Voir le document complet

25

Biosilica-Entrapped Enzymes Studied by Using Dynamic Nuclear-Polarization-Enhanced High-Field NMR Spectroscopy

Biosilica-Entrapped Enzymes Studied by Using Dynamic Nuclear-Polarization-Enhanced High-Field NMR Spectroscopy

... allowed for the collection of 2D experiments within a few hours using ~14–20 μl of ...improvement in resolution for the biosilica-entrapped AS-SOD enzyme when moving from 5 to ...shown in ... Voir le document complet

10

Application and methodology of dissolution dynamic nuclear polarization in physical, chemical and biological contexts

Application and methodology of dissolution dynamic nuclear polarization in physical, chemical and biological contexts

... Dissolution dynamic nuclear polarization (d-DNP) is a versatile method to enhance nuclear magnetic reso- nance (NMR) ...and in-cell investigations. This perspectives ... Voir le document complet

16

Dynamic Nuclear Polarization Efficiency Increased by Very Fast Magic Angle Spinning

Dynamic Nuclear Polarization Efficiency Increased by Very Fast Magic Angle Spinning

... ynamic nuclear polarization (DNP) has recently developed into a promising approach to greatly increase the sensitivity of solid-state NMR ...μw)-driven polarization transfer from unpaired ... Voir le document complet

5

Interfacial Ca<sup>2+</sup> environments in nanocrystalline apatites revealed by dynamic nuclear polarization enhanced <sup>43</sup>Ca NMR spectroscopy

Interfacial Ca<sup>2+</sup> environments in nanocrystalline apatites revealed by dynamic nuclear polarization enhanced <sup>43</sup>Ca NMR spectroscopy

... environments, for example the differentiation of surface and core species of hydroxyapatite nanoparticles, can be obtained using solid-state NMR, when combined with dynamic nuclear ...ideal ... Voir le document complet

8

Fast 2D NMR spectroscopy for complex mixtures

Fast 2D NMR spectroscopy for complex mixtures

... metabolites, for the sake of clarity in the ...groups in the score plot, and in the loading plot, the buckets responsible for the group separation come from the same biomarkers ... Voir le document complet

198

Gradient-based pulse sequences for benchtop NMR spectroscopy

Gradient-based pulse sequences for benchtop NMR spectroscopy

... 2D NMR, 802 Food ...with in-line monitoring 804 using benchtop NMR spectroscopy, ...Benchtop NMR for the 806 monitoring of bioprocesses, ...methods, in: ...809 ... Voir le document complet

14

Design, synthesis, and characterization of conjugated polymers and functional paramagnetic materials for dynamic nuclear polarization

Design, synthesis, and characterization of conjugated polymers and functional paramagnetic materials for dynamic nuclear polarization

... tracted with diethyl ether (2 x 10 mL) and the combined organic layers were washed several times with water and once with brine, before being dried over sodium sulfate[r] ... Voir le document complet

227

Ultrafast double-quantum NMR spectroscopy

Ultrafast double-quantum NMR spectroscopy

... intense in ufCOSY while some are more intense in ufDQS (see SI); the detailed analysis of peak volumes in ultrafast spectra is a complex and ongoing ...two new pulse sequences for ... Voir le document complet

5

NUCLEAR SPIN NOISE IN NMR REVISITED

NUCLEAR SPIN NOISE IN NMR REVISITED

... shown in Figure ...different nuclear spin-noise shapes (not always pure in-phase Lorentzian) even if FSTO condition (Equation ...even for low temperature noise, appears much higher than the ... Voir le document complet

30

A 250 GHz gyrotron with a 3 GHz tuning bandwidth for dynamic nuclear polarization

A 250 GHz gyrotron with a 3 GHz tuning bandwidth for dynamic nuclear polarization

... of Chemistry, Brandeis University, Waltham, MA 02454, USA Abstract We describe the design and implementation of a novel tunable 250 GHz gyrotron oscillator with >10 W output power over most of a 3 GHz band and ... Voir le document complet

16

Chemical Exchange in Novel SpiroBicyclic Zwitterionic Janovsky Complexes using Dynamic 1H NMR Spectroscopy

Chemical Exchange in Novel SpiroBicyclic Zwitterionic Janovsky Complexes using Dynamic 1H NMR Spectroscopy

... observed for 2 (Fig. 4b). We envisaged two possible mechanisms to account for the chemical exchange behaviour of 2 that would be inaccessible or less likely to occur for 1 (Scheme ...system. ... Voir le document complet

8

Ion counting in supercapacitor electrodes using NMR spectroscopy

Ion counting in supercapacitor electrodes using NMR spectroscopy

... way in which the ionic charge is developed inside the micropores in the electrode as it charges differs depending on the properties of the ...obtained for the NEt 4 –BF 4 electrolyte show that the ion ... Voir le document complet

27

Introducing nuclear spin-noise spectroscopy

Introducing nuclear spin-noise spectroscopy

... a new analytical equation is ...allows analytical explanation of the difference of tuning conditions [2,3] and the treatment of static magnetic field inhomogeneity, which has an enhanced spectral ... Voir le document complet

2

Interleaved spatial/spectral encoding in ultrafast 2D NMR spectroscopy

Interleaved spatial/spectral encoding in ultrafast 2D NMR spectroscopy

... pulse in multiple scans is used to unfold spectral ...position in k-space, and instead assigns arbitrary k-space positions to selected frequency ...developed for MRI applications to perform water/fat ... Voir le document complet

22

On the structure and form of the GDP-nuclear nexus. New perspectives and new findings

On the structure and form of the GDP-nuclear nexus. New perspectives and new findings

... archive for the deposit and dissemination of sci- entific research documents, whether they are pub- lished or ...institutions in France or abroad, or from public or private research ... Voir le document complet

30

Recent Advances in the Analytical Chemistry of Cadaveric Decomposition

Recent Advances in the Analytical Chemistry of Cadaveric Decomposition

... As part of data processing, and because untargeted screening relies on the relative quantification, a proper normalization is required prior to any data mining. Z-score and probabilistic quotient normalization are often ... Voir le document complet

1

Forests for agriculture: new perspectives in European landscapes

Forests for agriculture: new perspectives in European landscapes

... O pen A rchive T OULOUSE A rchive O uverte ( OATAO ) OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an ... Voir le document complet

14

Study of the diffusion in polymer solutions and hydrogels by NMR spectroscopy and NMR imaging

Study of the diffusion in polymer solutions and hydrogels by NMR spectroscopy and NMR imaging

... (USFDA) for use as inactive ingredients in oral tablets and ...glucose in cellulose is flipped over due to the β -1,4 linkages, which promotes intrachain and interchain hydrogen bonds, as well as van ... Voir le document complet

92

Ion counting in supercapacitor electrodes using NMR spectroscopy

Ion counting in supercapacitor electrodes using NMR spectroscopy

... F NMR spectroscopy has been used to study the local environments of anions in supercapacitor electrodes and to quantify changes in the populations of adsorbed species during ...charging. ... Voir le document complet

22

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