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  Quantification Studies in continuous-flow 13C Nuclear Magnetic Resonance Spectroscopy by Use of Immobilized Paramagnetic Relaxation Agents

Fischer, H., Seiler, M., Ertl, T., Eberhardinger, U., Bertagnolli, H., Schmitt-Willich, H., et al. (2003). Quantification Studies in continuous-flow 13C Nuclear Magnetic Resonance Spectroscopy by Use of Immobilized Paramagnetic Relaxation Agents. The Journal of Physical Chemistry B, 107(20), 4879-4886. doi:10.1021/jp021631d.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-DD74-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-6AB9-4
Genre: Journal Article

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https://pubs.acs.org/doi/pdf/10.1021/jp021631d (Publisher version)
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 Creators:
Fischer, HH1, Author           
Seiler, M, Author
Ertl, TS, Author
Eberhardinger , U, Author
Bertagnolli, H, Author
Schmitt-Willich, H, Author
Albert, K, Author
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1External Organizations, ou_persistent22              

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 Abstract: Different types of immobilized free radicals as well as immobilized paramagnetic gadolinium(III) complexes were synthesized and used as relaxation agents to shorten the spin-lattice relaxation times T1 of analytes in quantitative continuous-flow 13C nuclear magnetic resonance spectroscopy (NMR). The immobilized paramagnetic relaxation agents were characterized with electron paramagnetic resonance spectroscopy (EPR) and extended X-ray absorption fine structure spectroscopy (EXAFS). With these types of paramagnetic relaxation agents, it was possible to obtain a 4-fold increase in signal-to-noise ratio per unit time, and an almost quantitative NMR spectra in continuous-flow 13C NMR spectroscopy could be acquired with this method.

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 Dates: 2003-04
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1021/jp021631d
BibTex Citekey: 2194
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Title: The Journal of Physical Chemistry B
  Other : J. Phys. Chem. B
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Chemical Society
Pages: - Volume / Issue: 107 (20) Sequence Number: - Start / End Page: 4879 - 4886 Identifier: ISSN: 1520-6106
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000293370_1