Articles with "dynamic nuclear" as a keyword



A Comparative Study of Nitroxide‐Based Biradicals for Dynamic Nuclear Polarization in Cellular Environments

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Published in 2022 at "Chembiochem"

DOI: 10.1002/cbic.202200577

Abstract: Dynamic nuclear polarization (DNP) is a powerful tool to enhance the NMR signals of molecules by transferring polarization from unpaired electron spins to nuclei through microwave irradiation. The resulting signal enhancements can enable the analysis… read more here.

Keywords: nuclear polarization; comparative study; cellular environments; polarization ... See more keywords

New NMR tools for protein structure and function: Spin tags for dynamic nuclear polarization solid state NMR.

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Published in 2017 at "Archives of biochemistry and biophysics"

DOI: 10.1016/j.abb.2017.06.010

Abstract: Magic angle spinning solid state NMR studies of biological macromolecules [1-3] have enabled exciting studies of membrane proteins [4,5], amyloid fibrils [6], viruses, and large macromolecular assemblies [7]. Dynamic nuclear polarization (DNP) provides a means… read more here.

Keywords: solid state; nuclear polarization; dynamic nuclear; state nmr ... See more keywords

A quasi-optical and corrugated waveguide microwave transmission system for simultaneous dynamic nuclear polarization NMR on two separate 14.1 T spectrometers.

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Published in 2018 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2018.01.015

Abstract: Nuclear magnetic resonance (NMR) is an intrinsically insensitive technique, with Boltzmann distributions of nuclear spin states on the order of parts per million in conventional magnetic fields. To overcome this limitation, dynamic nuclear polarization (DNP)… read more here.

Keywords: quasi optical; polarization; dnp; polarization nmr ... See more keywords

A versatile custom cryostat for dynamic nuclear polarization supports multiple cryogenic magic angle spinning transmission line probes.

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Published in 2018 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2018.10.002

Abstract: Dynamic nuclear polarization (DNP) with cryogenic magic angle spinning (MAS) provides significant improvements in NMR sensitivity, yet presents unique technical challenges. Here we describe a custom cryostat and suite of NMR probes capable of manipulating… read more here.

Keywords: cryogenic magic; cryostat; nuclear polarization; magic angle ... See more keywords

Dynamic nuclear polarization via the cross effect and thermal mixing: B. Energy transport.

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Published in 2019 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2018.12.020

Abstract: The fundamental process of dynamic nuclear polarization (DNP) via the cross effect (CE) and thermal mixing (TM) is a triple spin flip, in which two interacting electron spins and a nuclear spin interacting with one… read more here.

Keywords: energy; polarization; electron spins; spin ... See more keywords
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THz-enhanced dynamic nuclear polarized liquid spectrometer.

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Published in 2021 at "Journal of magnetic resonance"

DOI: 10.1016/j.jmr.2021.107044

Abstract: Dynamic nuclear polarization (DNP) technology can be utilized to dramatically enhance NMR signal. In this paper, we report on the development of a self-constructed 5 T DNP spectrometer for liquid samples and the 13C DNP… read more here.

Keywords: thz enhanced; liquid; dnp; spectrometer ... See more keywords
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Dynamic nuclear polarization for sensitivity enhancement in modern solid-state NMR.

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Published in 2017 at "Progress in nuclear magnetic resonance spectroscopy"

DOI: 10.1016/j.pnmrs.2017.06.002

Abstract: The field of dynamic nuclear polarization has undergone tremendous developments and diversification since its inception more than 6 decades ago. In this review we provide an in-depth overview of the relevant topics involved in DNP-enhanced… read more here.

Keywords: state; polarization sensitivity; polarization; nuclear polarization ... See more keywords

Endogenous dynamic nuclear polarization NMR of hydride-terminated silicon nanoparticles.

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Published in 2019 at "Solid state nuclear magnetic resonance"

DOI: 10.1016/j.ssnmr.2019.04.001

Abstract: Silicon nanoparticles (SiNPs) are intriguing materials and their properties fascinate the broader scientific community; they are also attractive to the biological and materials science sub-disciplines because of their established biological and environmental compatibility, as well… read more here.

Keywords: silicon nanoparticles; nuclear polarization; spectroscopy; hydride terminated ... See more keywords

Dynamic nuclear polarization on a hybridized hammerhead ribozyme: An explorative study of RNA folding and direct DNP with a paramagnetic metal ion cofactor.

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Published in 2019 at "Solid state nuclear magnetic resonance"

DOI: 10.1016/j.ssnmr.2019.04.005

Abstract: While uniform isotope labeling of ribonucleic acids (RNA) can simply and efficiently be achieved by in-vitro transcription, the specific introduction of nucleotides in larger constructs is non-trivial and often ineffective. Here, we demonstrate how a… read more here.

Keywords: hammerhead ribozyme; dnp; ribozyme; nuclear polarization ... See more keywords

Dynamic Nuclear Polarization in battery materials.

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Published in 2021 at "Solid state nuclear magnetic resonance"

DOI: 10.1016/j.ssnmr.2021.101763

Abstract: The increasing need for portable and large-scale energy storage systems requires development of new, long lasting and highly efficient battery systems. Solid state NMR spectroscopy has emerged as an excellent method for characterizing battery materials.… read more here.

Keywords: nuclear polarization; battery materials; polarization battery; dynamic nuclear ... See more keywords
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31P Dynamic Nuclear Polarization through the Solid Effect: Study of Biomolecules in Aqueous Solutions at 9.4 T

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Published in 2025 at "Analytical Chemistry"

DOI: 10.1021/acs.analchem.5c02158

Abstract: Dynamic Nuclear Polarization (DNP) has emerged as a transformative technique for enhancing the sensitivity of Nuclear Magnetic Resonance (NMR) spectroscopy. In the quest to improve the polarization of 31P nuclei in liquid environments, previous efforts… read more here.

Keywords: nuclear polarization; aqueous solutions; solid effect; polarization ... See more keywords