HOBS experiments to measure T1/T2 relaxation times in overlapped regions

S10907807“Measurement of T1/T2 relaxation times in overlapped regions from homodecoupled 1H singlet signals” by Laura Castañar, Pau Nolis, Albert Virgili and Teodor Parella. Journal of Magnetic Resonance 244 (2014) 30-35. DOI: 10.1016/j.jmr.2014.04.003

The implementation of the HOmodecoupled Band-Selective (HOBS) technique in the conventional Inversion-Recovery and CPMG-based PROJECT experiments is described. The achievement of fully homodecoupled signals allows the distinction of overlapped 1H resonances with small chemical shift differences. It is shown that the corresponding T1 and T2 relaxation times can be individually measured from the resulting singlet lines using conventional exponential curve-fitting methods.

Figuras articulo_lau

 

Pulse Program Code for Bruker:

Data set Example:

Reference:

“Full sensitivity and enhanced resolution in homodecoupled band-selective NMR experiments” by L. Castañar, P. Nolis,A. Virgili and T. Parella. Chem. Eur. J. 2013, 19, 17283-17286. DOI:10.1002/chem.201303235

© 2014 – 2017, Laura. All rights reserved by the author(s) and Universitat Autonoma de Barcelona except for texts and images already copyrighted by third parties (e.g. journal publishers) and used here under the fair use provision.