Ultrafast magic angle spinning solid-state NMR spectroscopy: Advances in methodology and applications

Y Nishiyama, G Hou, V Agarwal, Y Su… - Chemical …, 2022 - ACS Publications
Solid-state NMR spectroscopy is one of the most commonly used techniques to study the
atomic-resolution structure and dynamics of various chemical, biological, material, and …

Pharmaceutical aspects of salt and cocrystal forms of APIs and characterization challenges

PC Vioglio, MR Chierotti, R Gobetto - Advanced Drug Delivery Reviews, 2017 - Elsevier
In recent years many efforts have been devoted to the screening and the study of new solid-
state forms of old active pharmaceutical ingredients (APIs) with salification or co …

Applications of high-resolution 1H solid-state NMR

SP Brown - Solid State Nuclear Magnetic Resonance, 2012 - Elsevier
This article reviews the large increase in applications of high-resolution 1H magic-angle
spinning (MAS) solid-state NMR, in particular two-dimensional heteronuclear and …

Fast magic-angle sample spinning solid-state NMR at 60–100 kHz for natural abundance samples

Y Nishiyama - Solid State Nuclear Magnetic Resonance, 2016 - Elsevier
In spite of tremendous progress made in pulse sequence designs and sophisticated
hardware developments, methods to improve sensitivity and resolution in solid-state NMR …

Encapsulating mobile proton carriers into structural defects in coordination polymer crystals: high anhydrous proton conduction and fuel cell application

M Inukai, S Horike, T Itakura, R Shinozaki… - Journal of the …, 2016 - ACS Publications
We describe the encapsulation of mobile proton carriers into defect sites in nonporous
coordination polymers (CPs). The proton carriers were encapsulated with high mobility and …

Room temperature hyperpolarization of nuclear spins in bulk

K Tateishi, M Negoro, S Nishida… - Proceedings of the …, 2014 - National Acad Sciences
Dynamic nuclear polarization (DNP), a means of transferring spin polarization from electrons
to nuclei, can enhance the nuclear spin polarization (hence the NMR sensitivity) in bulk …

Understanding hydrogen-bonding structures of molecular crystals via electron and NMR nanocrystallography

C Guzmán-Afonso, Y Hong, H Colaux, H Iijima… - Nature …, 2019 - nature.com
Understanding hydrogen-bonding networks in nanocrystals and microcrystals that are too
small for X-ray diffractometry is a challenge. Although electron diffraction (ED) or electron 3D …

Proton detection of MAS solid-state NMR spectra of half-integer quadrupolar nuclei

A Venkatesh, MP Hanrahan, AJ Rossini - Solid State Nuclear Magnetic …, 2017 - Elsevier
Fast magic angle spinning (MAS) and proton detection has found widespread application to
enhance the sensitivity of solid-state NMR experiments with spin-1/2 nuclei such as 13 C, 15 …

Probing Hydrogen Bonding in Cocrystals and Amorphous Dispersions Using 14N–1H HMQC Solid-State NMR

AS Tatton, TN Pham, FG Vogt, D Iuga… - Molecular …, 2013 - ACS Publications
Cocrystals and amorphous solid dispersions have generated interest in the pharmaceutical
industry as an alternative to more established solid delivery forms. The identification of …

Identifying the molecular edge termination of exfoliated hexagonal boron nitride nanosheets with solid-state NMR spectroscopy and plane-wave DFT calculations

RW Dorn, MJ Ryan, TH Kim, TW Goh… - Chemistry of …, 2020 - ACS Publications
Hexagonal boron nitride nanosheets (h-BNNS), the isoelectronic analog to graphene, have
received interest over the past decade due to their high thermal oxidative resistance, high …