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Literature DB >> 15809177

Suppression of strong coupling artefacts in J-spectra.

Michael J Thrippleton¹, Richard A E Edden, James Keeler.

Abstract

A major problem in J-resolved spectroscopy and many other experiments is the appearance of "artefacts" due to strong coupling. The signals giving rise to these artefacts follow the same coherence transfer pathways as the required signals, making it impossible to suppress them using phase cycling or pulsed field gradients. We present new methods for suppressing these artefacts, applicable to any experiment containing a J-resolved pulse sequence element, as well as to constant-time experiments.

Mesh：

Substances：
Dehydroepiandrosterone

Year: 2005 PMID： 15809177 DOI： 10.1016/j.jmr.2005.01.012

Source DB: PubMed Journal: J Magn Reson ISSN： 1090-7807 Impact factor: 2.229

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Cited

13 in total

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Authors: Ananya Majumdar; Yan Sun; Meha Shah; Caren L Freel Meyers
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5. If J doesn't evolve, it won't J-resolve: J-PRESS with bandwidth-limited refocusing pulses.

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6. Nuclear magnetic resonance detects phosphoinositide 3-kinase/Akt-independent traits common to pluripotent murine embryonic stem cells and their malignant counterparts.

Authors: Hanna M Romanska; Stefano Tiziani; Rachael C Howe; Ulrich L Günther; Zulfiqar Gulzar; El-Nasir Lalani
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Suppression of strong coupling artefacts in J-spectra.

Review 1. Proton MR spectroscopy of the brain at 3 T: an update.

2. Ultrahigh-resolution NMR spectroscopy.

3. Metabolomic high-content nuclear magnetic resonance-based drug screening of a kinase inhibitor library.

4. Versatile (1)H-(31)P-(31)P COSY 2D NMR techniques for the characterization of polyphosphorylated small molecules.

5. If J doesn't evolve, it won't J-resolve: J-PRESS with bandwidth-limited refocusing pulses.

6. Nuclear magnetic resonance detects phosphoinositide 3-kinase/Akt-independent traits common to pluripotent murine embryonic stem cells and their malignant counterparts.

7. Two-dimensional J-resolved LASER and semi-LASER spectroscopy of human brain.

8. Early stage diagnosis of oral cancer using 1H NMR-based metabolomics.

9. Hypoxia triggers major metabolic changes in AML cells without altering indomethacin-induced TCA cycle deregulation.

10. Perfecting band selective homo-decoupling for decoupling two signals coupled within the same band.