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About the CRAZED sequence
Author(s) -
Branca Rosa T.,
Capuani Silvia,
Maraviglia Bruno
Publication year - 2004
Publication title -
concepts in magnetic resonance part a
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.229
H-Index - 49
eISSN - 1552-5023
pISSN - 1546-6086
DOI - 10.1002/cmr.a.20001
Subject(s) - coherence (philosophical gambling strategy) , quantum , pulse sequence , signal (programming language) , sequence (biology) , coherence time , pulse (music) , physics , spectroscopy , algorithm , computer science , statistical physics , quantum mechanics , nuclear magnetic resonance , chemistry , biochemistry , voltage , programming language
In this article we report a detailed and understandable analysis of the evolution of various coherence orders in a Correlated 2D spectroscopy Revamped by Asymmetric Z‐gradient Echo Detection (CRAZED) like pulse sequence, used to select a signal from intermolecular Multi Quantum Coherences (iMQCs). Because the signal to‐noise‐ratio of iMQC is much lower than the signal from conventional single quantum coherence (SQC), an optimization of experimental parameters is a necessity when measurements are made with iMQC. For this purpose a phase cycle is shown that not only allows a simpler selection of a particular quantum coherence order, but also removes receiver artifacts. © 2004 Wiley Periodicals, Inc. Concepts Magn Reson Part A 21A: 22–36, 2004

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