The comparison between single atom catalysis and surface organometallic catalysis

MK Samantaray, V D'Elia, E Pump, L Falivene… - Chemical …, 2019 - ACS Publications
Single atom catalysis (SAC) is a recent discipline of heterogeneous catalysis for which a
single atom on a surface is able to carry out various catalytic reactions. A kind of revolution …

Direct and cost-efficient hyperpolarization of long-lived nuclear spin states on universal 15N2-diazirine molecular tags

T Theis, GX Ortiz Jr, AWJ Logan, KE Claytor, Y Feng… - Science …, 2016 - science.org
Conventional magnetic resonance (MR) faces serious sensitivity limitations which can be
overcome by hyperpolarization methods, but the most common method (dynamic nuclear …

Rational design of dinitroxide biradicals for efficient cross-effect dynamic nuclear polarization

DJ Kubicki, G Casano, M Schwarzwälder, S Abel… - Chemical …, 2016 - pubs.rsc.org
A series of 37 dinitroxide biradicals have been prepared and their performance studied as
polarizing agents in cross-effect DNP NMR experiments at 9.4 T and 100 K in 1, 1, 2, 2 …

Solid-state NMR approaches to investigate large enzymes in complex with substrates and inhibitors

AK Schütz - Biochemical Society Transactions, 2021 - portlandpress.com
Enzyme catalysis is omnipresent in the cell. The mechanisms by which highly evolved
protein folds enable rapid and specific chemical transformation of substrates belong to the …

Room-temperature dynamic nuclear polarization enhanced NMR spectroscopy of small biological molecules in water

D Dai, X Wang, Y Liu, XL Yang, C Glaubitz… - Nature …, 2021 - nature.com
Nuclear magnetic resonance (NMR) spectroscopy is a powerful and popular technique for
probing the molecular structures, dynamics and chemical properties. However the …

Dynamic nuclear polarization opens new perspectives for NMR spectroscopy in analytical chemistry

B Plainchont, P Berruyer, JN Dumez, S Jannin… - 2018 - ACS Publications
Dynamic nuclear polarization (DNP) can boost sensitivity in nuclear magnetic resonance
(NMR) experiments by several orders of magnitude. This Feature illustrates how the …

Tailoring of Polarizing Agents in the bTurea Series for Cross‐Effect Dynamic Nuclear Polarization in Aqueous Media

C Sauvée, G Casano, S Abel… - … A European Journal, 2016 - Wiley Online Library
A series of 18 nitroxide biradicals derived from bTurea has been prepared, and their
enhancement factors ɛ (1H) in cross‐effect dynamic nuclear polarization (CE DNP) NMR …

Frozen acrylamide gels as dynamic nuclear polarization matrices

J Viger‐Gravel, P Berruyer, D Gajan… - Angewandte Chemie …, 2017 - Wiley Online Library
Aqueous acrylamide gels can be used to provide dynamic nuclear polarization (DNP) NMR
signal enhancements of around 200 at 9.4 T and 100 K. The enhancements are shown to …

Tailored polarizing hybrid solids with nitroxide radicals localized in mesostructured silica walls

DL Silverio, HA Van Kalkeren, TC Ong… - Helvetica Chimica …, 2017 - Wiley Online Library
Hyperpolarization by dynamic nuclear polarization relies on the microwave irradiation of
paramagnetic radicals dispersed in molecular glasses to enhance the nuclear magnetic …

High-resolution NMR spectroscopy of encapsulated proteins dissolved in low-viscosity fluids

NV Nucci, KG Valentine, AJ Wand - Journal of Magnetic Resonance, 2014 - Elsevier
High-resolution multi-dimensional solution NMR is unique as a biophysical and biochemical
tool in its ability to examine both the structure and dynamics of macromolecules at atomic …