Water signal suppression by T 2 ‐relaxation enhancement promoted by Dy(III) complexes | Zendy

Aime Silvio | Zendy; Botta Mauro | Zendy; Barbero Luca | Zendy; Uggeri Fulvio | Zendy; Fedeli Franco | Zendy

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Water signal suppression by T 2 ‐relaxation enhancement promoted by Dy(III) complexes

Author(s) -

Aime Silvio,

Botta Mauro,

Barbero Luca,

Uggeri Fulvio,

Fedeli Franco

Publication year - 1991

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1260291316

Subject(s) - chemistry , signal (programming language) , proton , relaxation (psychology) , spectral line , nuclear magnetic resonance , modulation (music) , spin echo , chemical shift , analytical chemistry (journal) , magnetic resonance imaging , nuclear physics , organic chemistry , physics , medicine , psychology , social psychology , astronomy , computer science , acoustics , radiology , programming language

A novel method for water signal suppression in 1 H NMR spectra is proposed for biological systems. It is based on the acquisition of a spin–echo spectrum in the presence of Dy(III) complexes, which cause a marked decrease of the water proton T 2 through the modulation of Δω M (chemical shift difference between the bulk and coordinated water resonance) by τ M (time associated with the exchange between the two sites).

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