Adiabatic TOCSY for C,C and H,H J-transfer

Adiabatic pulses have been widely used for broadband decoupling and spin inversion at high magnetic fields. In this paper we propose adiabatic pulses and supercycles that can be used at high magnetic fields like 800 or 900 MHz to obtain broadband TOCSY sequences with C,C or H,H J-transfer. The new m...

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Bibliographic Details
Published in:Journal of biomolecular NMR 2000-11, Vol.18 (3), p.199-205
Main Authors: Peti, W, Griesinger, C, Bermel, W
Format: Article
Language:English
Subjects:
Automatic Data Processing
Calibration
Magnetic fields
Magnetics - instrumentation
Nuclear Magnetic Resonance, Biomolecular - instrumentation
Nuclear Magnetic Resonance, Biomolecular - methods
Sensitivity and Specificity
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Summary:Adiabatic pulses have been widely used for broadband decoupling and spin inversion at high magnetic fields. In this paper we propose adiabatic pulses and supercycles that can be used at high magnetic fields like 800 or 900 MHz to obtain broadband TOCSY sequences with C,C or H,H J-transfer. The new mixing sequences are equal or even superior to the well known DIPSI-2,3 experiments with respect to bandwidth. They prove robust against pulse miscalibration and B1 inhomogeneity and are therefore attractive for fully automated spectrometer environments. These adiabatic mixing sequences have been incorporated in a novel z-filter HCCH-TOCSY experiment.
ISSN:0925-2738
1573-5001
DOI:10.1023/A:1026785725363