Heteronuclear Spin Decoupling in Solid‐State Nuclear Magnetic Resonance: Overview and Outlook

PK Madhu - Israel Journal of Chemistry, 2014 - Wiley Online Library
Heteronuclear spin decoupling is a vital element in most of the solid‐state nuclear magnetic
resonance experiments for resolution and sensitivity reasons. The field has seen remarkable …

Mixing Aβ (1–40) and Aβ (1–42) peptides generates unique amyloid fibrils

L Cerofolini, E Ravera, S Bologna… - Chemical …, 2020 - pubs.rsc.org
Recent structural studies show distinct morphologies for the fibrils of Aβ (1–42) and Aβ (1–
40), which are believed not to co-fibrillize. We describe here a novel, structurally-uniform 1: 1 …

Quantifying Disproportionation in Pharmaceutical Formulations with 35Cl Solid-State NMR

DA Hirsh, Y Su, H Nie, W Xu, D Stueber… - Molecular …, 2018 - ACS Publications
Reliable methods for the characterization of drug substances are critical for evaluating
stability and bioavailability, especially in dosage formulations under varying storage …

Straightforward, effective calibration of SPINAL-64 decoupling results in the enhancement of sensitivity and resolution of biomolecular solid-state NMR

G Comellas, JJ Lopez, AJ Nieuwkoop… - Journal of Magnetic …, 2011 - Elsevier
We describe a simple yet highly effective optimization strategy for SPINAL-64 1H decoupling
conditions for magic-angle spinning solid-state NMR. With adjustment of the phase angles in …

In Situ Characterization of Waters of Hydration in a Variable-Hydrate Active Pharmaceutical Ingredient Using 35Cl Solid-State NMR and X-ray Diffraction

DA Hirsh, ST Holmes, P Chakravarty… - Crystal Growth & …, 2019 - ACS Publications
Variable-hydrate active pharmaceutical ingredients (APIs) are known to form
thermodynamically and kinetically stabilized solid phases over a continuous range of …

Probing the binding modes and dynamics of histidine on fumed silica surfaces by solid-state NMR

HL Swanson, C Guo, M Cao, JB Addison… - Physical Chemistry …, 2020 - pubs.rsc.org
Silica nanoparticles can be designed to exhibit a diverse range of morphologies (eg non-
porous, mesoporous), physical properties (eg hydrophobic, hydrophilic) and a wide range of …

[HTML][HTML] Monitoring the refinement of crystal structures with 15N solid-state NMR shift tensor data

K Kalakewich, R Iuliucci, KT Mueller… - The Journal of …, 2015 - pubs.aip.org
The 15 N chemical shift tensor is shown to be extremely sensitive to lattice structure and a
powerful metric for monitoring density functional theory refinements of crystal structures …

Understanding the formation of apremilast cocrystals

MK Dudek, E Wielgus, P Paluch, J Śniechowska… - Structural …, 2019 - journals.iucr.org
Apremilast (APR), an anti-psoriatic agent, easily forms isostructural cocrystals and solvates
with aromatic entities, often disobeying at the same time Kitaigorodsky's rule as to the …

Atomic‐Level Quality Assessment of Enzymes Encapsulated in Bioinspired Silica

T Martelli, E Ravera, A Louka… - … A European Journal, 2016 - Wiley Online Library
Among protein immobilization strategies, encapsulation in bioinspired silica is increasingly
popular. Encapsulation offers high yields and the solid support is created through a protein …

Third spin-assisted recoupling in SSNMR: theoretical insights and practicable application to biomolecular structure determination

S Paul, H Takahashi, S Hediger, G De Paëpe - Annual Reports on NMR …, 2015 - Elsevier
In solid-state nuclear magnetic resonance (SSNMR) under magic-angle spinning (MAS), the
dipolar interactions (that contains distance information), averaged out by sample spinning …