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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/mrc.4836
|2 doi
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|a pubmed24n0976.xml
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|a eng
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|a Radel, Benjamin
|e verfasserin
|4 aut
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|a Regularized inversion of the Laplace transform for series of experiments
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|c 2019
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 22.10.2019
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|a Date Revised 08.01.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 John Wiley & Sons, Ltd.
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|a Not only in low-field nuclear magnetic resonance, Laplace inversion is a relevant and challenging topic. Considerable conceptual and technical progress has been made, especially for the inversion of data encoding two decay dimensions. Distortion of spectra by overfitting of even moderate noise is counteracted requiring a priori smooth spectra. In this contribution, we treat the case of simple and fast one-dimensional decay experiments that are repeated many times in a series in order to study the evolution of a sample or process. Incorporating the a priori knowledge that also in the series dimension evolution should be smooth, peak position can be stabilized and resolution improved in the decay dimension. It is explained how the standard one-dimensional regularized Laplace inversion can be extended quite simply in order to include regularization in the series dimension. Obvious improvements compared with series of one-dimensional inversions are presented for simulated as well as experimental data. For the latter, comparison with multiexponential fitting is performed
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Laplace inversion
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|a NMR relaxation
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|a regularization
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|a Hardy, Edme H
|e verfasserin
|4 aut
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1 |
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|a Djuric, Zorana
|e verfasserin
|4 aut
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| 700 |
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|a Mahlbacher, Markus
|e verfasserin
|4 aut
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|a Haist, Michael
|e verfasserin
|4 aut
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| 700 |
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|a Müller, Harald S
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Magnetic resonance in chemistry : MRC
|d 1985
|g 57(2019), 10 vom: 17. Aug., Seite 836-844
|w (DE-627)NLM098179667
|x 1097-458X
|7 nnns
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| 773 |
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|g volume:57
|g year:2019
|g number:10
|g day:17
|g month:08
|g pages:836-844
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|u http://dx.doi.org/10.1002/mrc.4836
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