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Latest Updates Abstract Non-uniform sampling (NUS) allows the accelerated acquisition of multidimensional NMR spectra. The aim of this contribution was the systematic evaluation of the impact of various
Latest Updates NMR spectroscopy is a versatile tool for studying time-dependent processes: chemical reactions, phase transitions or macromolecular structure changes.
Latest Updates Highlights • We describe the history and recent development of non-uniform sampling (NUS) strategies in NMR spectroscopy. • We discuss various methods that have been developed to
Latest Updates Non-uniform discrete Fourier transform is inherently not exact. There is no continuous counterpart to it so the word discrete is often omitted from the name of non-uniform discrete Fourier transform.
Latest Updates Two methods for rigorously preserving spectral knowledge and the time-domain NUS knowledge enhancement upon transformation to the frequency
Latest Updates Unlike normal 2D experiments where time t1 in the second “vertical” dimension is increased gradually in a linear fashion, in non-uniformly sampled (NUS)
Latest Updates In this study, we assessed whether optimised Poisson-gap sampling schemes can generate high-fidelity spectra suitable for quantitation and
Latest Updates Anna G. Matveeva Victoria N. Syryamina Vyacheslav M. Nekrasov Michael K. Bowman Non-uniform sampling in pulse dipolar spectroscopy by EPR:
Latest Updates The number of such t1 increments employed ultimately defines the total duration of the experiment. The method of non-uniform sampling (NUS) seeks to reduce the number of data points
Latest Updates Here we propose tools for estimating the SNR and sensitivity of NUS spectra with respect to sampling schedule and reconstruction method. We compare uniformly acquired spectra
Latest Updates This modified summation formula of non-uniform Fourier transform will converge to the integration formula of the continuous Fourier transform when the average sampling rate is sufficiently high:
Latest Updates Raman does not require extensive sample preparation and is highly specific in distinguishing chemical compositions. In pharmaceutical applications,
Latest Updates Article Open access Published: 09 March 2018 Systematic Evaluation of Non-Uniform Sampling Parameters in the Targeted Analysis of Urine
Latest Updates Figure 1c shows a uniform and a non-uniform temperature pro- file with the same average temperature. Figure 1d shows the simulated water v apor
Latest Updates While the development of non-uniform sampling began over 30 years ago8,9 and numerous examples have been presented in the literature that demonstrate increased sensitivity,11,27-31 the approach is
Latest Updates (b) The principle of the Faraday rotation spectroscopy experimental device used for direct non-uniform concentration measurements. The polarizer
Latest Updates 🔍 TL;DR: Key Takeaways Uniform appearance in chemistry refers to a **consistent physical state** (color, texture, solubility, or homogeneity) across a sample, indicating **purity, stability, or successful
Latest Updates Pulse dipolar spectroscopy (PDS) in Electron Paramagnetic Resonance (EPR) is the method of choice for determining the distance distribution function for mono-, bi-
Latest Updates This application note demonstrates non-uniform sampling (NUS) acquisition and processing for routine measurement of 2D NMR spectra using tools in Agilent VnmrJ 4 software.
Latest Updates The NMR technicians where I work have recently started replacing the standard 2D NMR experiments (COSY, HSQC) with NUS variants (25% sampling). For the uninitiated, the rationale
Latest Updates Symmetrical NMR spectroscopy constitutes a vital branch of multidimensional NMR spectroscopy, providing a powerful tool for the structural elucidation of biological macromolecules.
Latest Updates Non-Uniform Sampling Schedules Since NUS skips some subsets of the 1D measurements in a 2D spectrum, the indirect dimension contains “gaps”
Latest Updates Therefore, it is essential for researchers to account for the unique characteristics of NMR signals when developing and assessing reconstruction algorithms for non-uniformly sampled data.
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Latest Updates Conventional sampling in the indirect dimensions to the full transverse relaxation time T2 is typically no problem for 2D NMR spectra. However, uniform sampling the indirect dimensions of 3D and 4D
Latest Updates We report in situ measurements of non-uniform temperature, H2O and CO2 concentration distributions in a premixed methane–air laminar flame using tunable diode laser absorption
Latest Updates The authors assess the performance of NUS, nonuniform transient, and their approach of constant root mean square adaptation to non-uniform transient by assessing their relative
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