[PDF] Top 20 De novo prediction of cross-effect efficiency for magic angle spinning dynamic nuclear polarization
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De novo prediction of cross-effect efficiency for magic angle spinning dynamic nuclear polarization
... Introduction Dynamic nuclear polarization (DNP) attracts large interest because it can provide impressive sensitivity gains to solid-state Nuclear Magnetic Resonance (ssNMR) ...intrinsic ... Voir le document complet
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Dynamic Nuclear Polarization Efficiency Increased by Very Fast Magic Angle Spinning
... ABSTRACT: Dynamic nuclear polarization (DNP) has recently emerged as a tool to enhance the sensitivity of solid-state NMR ...enhancements of over 100 at ...increasing magic ... Voir le document complet
5
Cryogenic sample exchange NMR probe for magic angle spinning dynamic nuclear polarization
... the efficiency of magic angle spinning (MAS) dynamic nuclear polarization (DNP) experiments by reducing the time required to change samples and by improving ... Voir le document complet
24
A 250 GHz gyrotron with a 3 GHz tuning bandwidth for dynamic nuclear polarization
... schematic of a high-power and widely tunable gyrotron is shown in ...source of microwave power is an electron beam generated from a magnetron injection gun labeled at the bottom of Fig ...cathode ... Voir le document complet
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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
Density functional theory-assisted 31P and 23Na magic-angle spinning nuclear magnetic resonance study of the Na3V2(PO4)2F3–Na3V2(PO4)2FO2 solid solution: unraveling Its local and electronic structures
... development of alternative systems which can be used in parallel to ...most of the cases, the active materials used in positive electrodes in LIBs and SIBs contain transition metal ions possessing one or ... Voir le document complet
37
Two- and Three-Dimensional Multinuclear Stray-Field Imaging of Rotating Samples with Magic-Angle Spinning (STRAFI-MAS): From Bio to Inorganic Materials
... presence of a magnetic field gradient ...basis for today’s MRI ...necessary for encoding multidimensional k-space (raw image space) of a 3D ...strengths of no greater than 3 T/m are ... Voir le document complet
7
Design of a 460 GHz Second Harmonic Gyrotron Oscillator for use in Dynamic Nuclear Polarization
... completion of this work, like a tower of tumbling skydivers standing strongly in the four winds upon their imaginary frame- work that only they and Don Quixote can ...see. For it is the giants who ... Voir le document complet
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Solid-state 31P and 1H chemical MR micro-imaging of hard tissues and biomaterials with magic angle spinning at very high magnetic field
... rotor spinning frequency 57 . This var- iation of gradient amplitudes with the spinning frequency was measured on a cylindrical silicone phantom and fitted with a polynomial function to calculate a ... Voir le document complet
12
Design of a 460 GHz second harmonic gyrotron oscillator for use in dynamic nuclear polarization
... Other millimeter wave sources, such as the EIO (extended interaction oscillator) or BWO (backward wave oscillator) rely on fragile slow-wave structures to generate m[r] ... Voir le document complet
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Hydroxyapatites: Key Structural Questions and Answers from Dynamic Nuclear Polarization
... set of DNP data described ...observation of at least nine individual 13 C correlations (shown by arrows) in a ~ 5 ppm shift range proves that local order is definitely present (leading to well defined ... Voir le document complet
13
1H high resolution magic-angle coil spinning (HR-MACS) μNMR metabolic profiling of whole Saccharomyces cervisiae cells: a demonstrative study
... technique for providing unbiased and high-precision fingerprints of abundant metabolites in heterogenous ...handful of studies on whole cells, mainly with robust eukaryotic cells such as marine ... Voir le document complet
14
Quest for new nuclear magic numbers with MINOS
... vertex of the (p,2p) reaction along the beam direction for the simulation of (left) 53 K (p, 2p) 52 Ar and (right) 79 Cu (p, 2p) 78 ...case of the spectroscopy of 52 Ar via (p, 2p) ... Voir le document complet
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Application and methodology of dissolution dynamic nuclear polarization in physical, chemical and biological contexts
... Comparison of a conventional NMR experiment with a d-DNP ...the nuclear spin polarization in thermal equilibrium by means of a 90˚ detection pulse that reads the entire ...waits for ... Voir le document complet
16
Natural Isotopic Abundance 13C and 15N Multidimensional Solid-State NMR Enabled by Dynamic Nuclear Polarization
... and polarization agent development and improved computational ...number of research groups are developing He based MAS instrumentation and have been able to perform MAS-DNP experiments at temperatures much ... Voir le document complet
33
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 ...resolution for the biosilica-entrapped AS-SOD enzyme when moving from 5 to ...importance of ... Voir le document complet
10
Heterostrain rules the flat-bands in magic-angle twisted graphene layers
... spacing of van Hove singulari- ties in this regime is increased by electronic correlations and tends to increase with ...lations for the dielectric constant = 5 (See ...information for the ...the ... Voir le document complet
7
Correlated insulator behaviour at half-filling in magic-angle graphene superlattices
... form of Eq. (10) is an educated guess. We performed numerical calculations of the winding number using the continuum model for TwBLG [18, 22] and the numerical method in ...first magic ... Voir le document complet
39
Nuclear magic numbers: new features far from stability
... properties of nuclei in a given valence ...some of the ...states of the core which are already occupied by ...(see for instance ...7 of Ref. [20]). They can also be derived from ... Voir le document complet
110
Atomic-level structure determination of organic assemblies by dynamic nuclear polarization enhanced solid-state NMR
... performed for each grid ...point. For each position on this microgrid, all possible orientations are probed by rotating the molecule around its geometric ...expected polarization buildup curves based ... Voir le document complet
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