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Improvement in the evaluation of quantitative data in FT NMR
Jul 17, 1987 ... Data in FT NMR Spectroscopy by the Convolution ... KEY WORDS Quantitative FT NMR Integration improvement Convolution difference ...
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Evaluation of the ERETIC method as an improved quantitative
Quantitative Reference for. 1 ... improved quantification accuracy and precision provided by ... solution-like NMR spectra to be obtained from intact tissue .... Spectral data were acquired at 11.7 T (500 MHz for 1H), 1 .... to the FT. The spectra were then phased manually, after which the baseline was corrected by fitting a 6th ...
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Software for Quantitative Analysis by Carbon- 13 Fourier Transform
NIH Resource for Muiti-Nuclei NMR and Data Processing, Department of Chemistry, Syracuse University, Syracuse, New York 13210 ... slmilar trend was also observed for neat octanol-2-d spectra ... improvements in peak definition may be obtained by zero- ... equal area, was used to evaluate the effects of signal to noise.
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Improving the Performance of High-Precision qNMR Measurements
Feb 29, 2016 ... •S Supporting Information. ABSTRACT: Quantitative 1H NMR (qNMR) is a widely applied ... NMR spectrum will display signals from all species in the sample, and ... From a data analysis and processing points of view, the ultimate goal in ... Considering that the Fourier transform is a linear trans- formation ...
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Quantitative Evaluation with Linear Prediction and Direct Analysis of
Quantitative Evaluation with Linear Prediction and Direct Analysis of the Rate ... Chemical-Exchange Spectroscopy. BRUCEA. ... ods of NMR data analysis that, together, have the potential for reducing the uncer- ... capable of providing a significant improvement in the signal-to-noise ratio. ... 2D FT processing methods.
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A cross-correlation method for sensitivity enhancement in
A method for quantitative n.m.r. analysis is proposed, based on the ... For any specified recording time, Fourier-Transform n.m.r- spectra display a greater sensitivity ... If the input data are periodic (e.g. a sine wave) then the autocorrelogram has a .... There is a significant improvement in signal to noise ratio, as seen in Fig. 1.
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PDF Full-text - MDPI
Apr 15, 2013 ... quantitative metabolomics profiling, one of the aspects that hamper robust differential ... overcomes small peak-shifts, and reduces data complexity (Figure 1a). ... To deal with these problems, various improvements to the binning ... NMR spectrum alignment is a process to correct for variations in the position ...
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Dynamic adaptive binning: an improved quantification technique for
Further, nuclear magnetic resonance (NMR) spectroscopy of biofluids has been shown to be ... Typically, NMR metabolic spectroscopic data are analyzed as follows: (1) standard ... occurring near the boundaries can result in dramatic quantitative changes in the adjacent ..... 2.3 Evaluating and comparing binning algorithms ...
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Project 3: Development of NMR Spectrometry for Process Analysis 1
In comparison with other techniques, FT-NMR spectrometry has been largely ... To evaluate the potential of at-line and on-line NMR spectrometry using ... To develop signal and data processing methods to analyse overlapping signals ... Quantitative analysis of samples from a methacrylamide production plant – samples.
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CPMAS C NMR Characterization of Leaves and Litters from the
Dec 4, 2009 ... litters. A comparative evaluation of CPMAS 13C NMR spectra was done by applying principal component analysis. This ... planting to improve microclimate and soil conditions and to ... ing of carbonaceous materials and quantitative measure- ..... tric analysis applied in 1H HR-MAS NMR and FT-IR data for.
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Ultrafast 2D NMR - Weizmann Institute of Science
Apr 27, 2015 ... is also witnessing increased use in quantitative and metabolic screening ap- plications. ... been greatly improved, and UF 2D NMR is rapidly becoming a powerful analytical tool ..... Data rearrangement and Fourier transform along the conventional ..... (112) performed an analytical evaluation of UF 2D NMR ...
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NMR Data Evaluation: Review of Covariance Applications
Keywords: review, NMR, spectroscopy, data, evaluation, covariance NMR, software, method .... magnetization or coherence transfer as an alternative route to 2D FT-NMR, ... Note the improved digital resolution in the indirect dimension of the ..... Gan Z., Brüschweiler-Li L., Brüschweiler R., Quantitative covariance NMR by.
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Improved detection sensitivity of D-mannitol crystalline phase
FT-raman spectroscopy,” J. Pharm. Biomed ... M. Otsuka, J.-I. Nishizawa, J. Shibata, and M. Ito, “Quantitative evaluation of mefenamic acid polymorphs by ... X-Ray powder diffraction (XRPD) [4], Raman spectroscopy [5], nuclear magnetic resonance ... We calculate a series of differential phase shift data curves by subtracting.
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NMR Identification and MS Conformation of the Scopolamine
from the NMR data were found to agree very favorably with previously ..... evaluating the quantitative spectra together with the HSQC correlations, leading to the ..... Farrar, T.C.; Becker, E.D. Pulse and Fourier Transform NMR; Academic Press: ... Heteronuclear Single Quantum Correlation Spectroscopy with Improved .
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Meat quality assessment using biophysical methods related to meat
Spectroscopy. Microscopy. Biophysical methods. Optical properties. NMR. MRI ... involved can help to improve our understanding of meat properties and thus of eating quality. ..... technique to beef meat structure evaluation (Catheline et al.,. 2004). A post ... Polarized light gives additional organizational data and are there -.
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Ultrafast 2D NMR: An Emerging Tool in Analytical - Annual Reviews
Multidimensional NMR is also witnessing increased use in quantitative and metabolic screening ap- ... been greatly improved, and UF 2D NMR is rapidly becoming a powerful analytical tool ..... Data rearrangement and Fourier transform along the conventional ..... (112) performed an analytical evaluation of UF 2D NMR on ...
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Quantitative Investigation of Probabilistic Spectral - OSA Publishing
ian processing of NMR data: Memsys5—a maximum entropy al- gorithm—and ... rithms improved as the noise level was increased. Finally, it was ... tice of NMR spectroscopy, leading to multidimensional ... new techniques has been the fact that FT as convention- .... To evaluate the accuracy of the different packages in.
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Localized Deconvolution: Characterizing NMR - CORE Scholar
Spectroscopic Data using Localized High-throughput Deconvolution ... (NMR) spectroscopy of biofluids has been shown to be an effective ... dramatic quantitative changes in the adjacent bins due to the ... comparing the improvement in quantification accuracy on .... algorithm evaluation employs spectra binning to solve the.
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Get PDF - OSA Publishing
improved quantitative and qualitative analysis, and consequently led to a ... Fourier Transform Infrared Spectroscopy,” J. Dairy Sci. 97(9), 1–8 (2014). 2. ... assessment of embryo implantation potential,” NMR Biomed. 26(1) ... nondestructive method for evaluation of embryo culture media using drop coating deposition Raman.
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The acquisition of multidimensional NMR spectra within a single scan
Dec 10, 2002 ... data-scanning time by orders of magnitude and bringing about a concomitant ... ability of 1D FT NMR to retrieve a complete spectrum within a single scan. Indeed .... improving both the hardware as well as the pulse sequences supporting our .... expression of practical quantitative use for evaluating this type.
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