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  • Title: Simultaneous 1H- or 2H-, 15N- and multiple-band-selective 13C-decoupling during acquisition in 13C-detected experiments with proteins and oligonucleotides.
    Author: Vögeli B, Kovacs H, Pervushin K.
    Journal: J Biomol NMR; 2005 Jan; 31(1):1-9. PubMed ID: 15692734.
    Abstract:
    Significant resolution improvement in 13C,13C-TOCSY spectra of uniformly deuterated and 13C, 15N-labeled protein and 13C,15N-labeled RNA samples is achieved by introduction of multiple-band-selective 13C-homodecoupling applied simultaneously with 1H- or 2H- and 15N-decoupling at all stages of multidimensional experiments including signal acquisition period. The application of single, double or triple band-selective 13C-decoupling in 2D-[13C,13C]-TOCSY experiments during acquisition strongly simplifies the homonuclear splitting pattern. The technical aspects of complex multiple-band homonuclear decoupling and hardware requirements are discussed. The use of this technique (i) facilitates the resonance assignment process as it reduces signal overlap in homonuclear 13C-spectra and (ii) possibly improves the signal-to-noise ratio through multiplet collapse. It can be applied in any 13C-detected experiment.
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