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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.5094
|2 doi
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|a pubmed24n1048.xml
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|a eng
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| 100 |
1 |
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|a Maschmeyer, Tristan
|e verfasserin
|4 aut
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|a Exploration of continuous-flow benchtop NMR acquisition parameters and considerations for reaction monitoring
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|c 2020
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 01.04.2021
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|a Date Revised 01.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2020 John Wiley & Sons, Ltd.
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|a This study focused on fundamental data acquisition parameter selection for a benchtop nuclear magnetic resonance (NMR) system with continuous flow, applicable for reaction monitoring. The effect of flow rate on the mixing behaviors within a flow cell was observed, along with an exponential decay relationship between flow rate and the apparent spin-lattice relaxation time (T1*) of benzaldehyde. We also monitored sensitivity (as determined by signal-to-noise ratios; SNRs) under various flow rates, analyte concentrations, and temperatures of the analyte flask. Results suggest that a maximum SNR can be achieved with low to medium flow rates and higher analyte concentrations. This was consistent with data collected with parameters that promote either slow or fast data acquisition. We further consider the effect of these conditions on the analyte's residence time, T1*, and magnetic field inhomogeneity that is a product of continuous flow. Altogether, our results demonstrate how fundamental acquisition parameters can be manipulated to achieve optimal data acquisition in continuous-flow NMR systems
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a benchtop NMR
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|a continuous-flow NMR
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|a low-field 1H NMR
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| 650 |
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|a parameter optimization
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| 650 |
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|a process analytical technology
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| 650 |
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4 |
|a reaction monitoring
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1 |
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|a Prieto, Paloma L
|e verfasserin
|4 aut
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1 |
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|a Grunert, Shad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hein, Jason E
|e verfasserin
|4 aut
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 58(2020), 12 vom: 15. Dez., Seite 1234-1248
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
1 |
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|g volume:58
|g year:2020
|g number:12
|g day:15
|g month:12
|g pages:1234-1248
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|u http://dx.doi.org/10.1002/mrc.5094
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