Simultaneous acquisition of two 2D HSQC spectra with different <SUP>13</SUP>C spectral widths

Pau Nolis, Kumar Motiram-Corral, Míriam Pérez-Trujillo, Teodor Parella

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Resum

A time-efficient NMR strategy that involves the interleaved acquisition of two 2D HSQC spectra having different spectral widths in the indirect C-13 dimension is presented. We show how the two equivalent coherence transfer pathways involved in sensitivity-enhanced HSQC experiments are managed selectively and detected separately in different FID periods within the same scan. The feasibility of this new SADA-HSQC (Spectral Aliasing in Dually Acquired HSQC) technique is demonstrated by recording simultaneously two complementary datasets, conventional and highly-resolved spectral-aliased 2D HSQC spectra, in a single NMR experiment. Combining the information from both datasets, accurate chemical shift determination and excellent signal dispersion is achieved in a unique measurement using only few t(1) increments. (C) 2019 Elsevier Inc. All rights reserved.
Idioma originalAnglès
Pàgines (de-a)1-7
Nombre de pàgines7
RevistaJournal of Magnetic Resonance
Volum300
DOIs
Estat de la publicacióPublicada - de març 2019

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