[PDF] Top 20 High-resolution structural characterization of a heterogeneous biocatalyst using solid-state NMR

... MHz Solid-State NMR Facility used in this research was funded by EPSRC and BBSRC (contract refer- ence PR140003), as well as the University of Warwick including via part funding through Birmingham ... See full document

... MHz Solid-State NMR Facility used in this research was funded by EPSRC and BBSRC (contract reference PR140003), as well as the University of Warwick including via partial funding through Birmingham ... See full document

... In solid-state NMR, INEPT signals from proteins are normally observed from residues that have sufficient mobility to average out anisotropic interactions and yield narrow ...II using ... See full document

... that solid state NMR has the potential to play a key ...novel solid-state NMR techniques for the investigation of the structural properties of organic solids, with ... See full document

... the characterization of crystalline molecular metallocenes by 35 Cl, 47/49 Ti and 91 Zr SSNMR ...for NMR experiments due to a combination of low natural abundance, low resonance (Larmor) frequency and/or ... See full document

... in solid-state nuclear magnetic resonance (SSNMR) spectroscopy is taking place, attributable to the rapid development of high- fi eld dynamic nuclear polarization (DNP), a technique yielding ... See full document

... of solid-state NMR spectroscopy, it is necessary to address several challenges, not least of which is the need to improve resolution – to remove the effects of anisotropy and to enable ... See full document

... the resolution provided by the 1 H (DQ-DUMBO) – 13 C SQ refocused INEPT experiment, it is possible to extract 1 H DQ build-up curves for the separate aromatic carbon ...the structural insight into intra- ... See full document

... O NMR parameters from a system showing multiple closely related oxygen sites, but the question remains ‘what are the correct spectral assignments?’ As mentioned earlier, the local environments of the carboxylate ... See full document

... of structural environment, and even to speci fi c geometrical parameters, such as bond distances and angles ...achieve high-resolution experi- ments, the anisotropic shielding parameters can, in ... See full document

... of high-resolution spectra, as the peaks are often so broad that they cannot be distinguished from the baseline, and the overlap of multiple features can make spectral assignment ...of ... See full document

... Another important milestone was the development of average Hamiltonian theory (AHT).(25) In simplistic terms, AHT is a mathematical formalism which allows for the analysis of how pulse sequences affect internal spin ... See full document

... acquire high-resolution spectra of quadrupolar nuclei, such as DOR, 52, 53 and DAS 54, 56 which unfortunately require specialized ...two-dimensional NMR technique was developed which correlates ... See full document

... The simplest form of probe is a single channel static probe which contains a coil attached to two capacitors which can be adjusted to change the resonance frequency and impedance of the coil[62]. In an MAS experiment the ... See full document

... adsorbed ethylene molecules undergo the combined motion instead of the single localized rotation. In order to understand these interesting results, the structure of α-Mg formate has to be taken into consideration. As ... See full document

... processing, using a twin-screw ...the characterization of composites materials by solid-state nuclear magnetic resonance ...The solid-state NMR measurements were used to ... See full document

... recorded using multiple receivers, in general [84], but the large difference in sensitivity between nuclei makes such a solution impractical except in special cases, ... See full document

... Diltiazem (DTZ) is an optically active calcium channel blocker having a benzodiazepine structure. Two impurities (referred as DTZ-I and DTZ-II) were detected with area percentages ranging from 0.1% to 0.15% during the ... See full document

... the solid state, but with an individually prepared sample for each dopant ...in solid-state NMR applications is ...complexes using EDTA as a chelator were shown to bind ... See full document

... the solid, but in fact, graphite formation is also more likely to be prevented by alloying to stabilise the microstructure for ...few high-resolution studies of graphite formation have thus been ... See full document