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A Selective-Echo Method for Chemical-Shift Imaging of Two-Component Systems by Rex E. Gerald II; Anatoly O. Krasavin; Robert E. Botto is a Chemistry article available to read on EtoBox.

What is A Selective-Echo Method for Chemical-Shift Imaging of Two-Component Systems about?

A simple and effective method for selectively imaging either one distinct categories. In the first category are frequency-selecof two chemical species in a two-component system is presented tive techniques, for either excitation or saturation. These and demonstrated experimentally. The pulse sequence employed, techniques make use of three types of pulse sequences: simselective-echo chemical-shift imaging (SECSI), is a hybrid (freple, long soft pulses (7, 8); complex shaped pulses (9); quency-selective/T 1 -contrast) technique that is executed in a short and composite pulse trains (10, 11). The second category period of time, utilizes the full Boltzmann magnetization of each consists of pulsed methods that utilize differences in spinchemical species to form the corresponding image, and requires lattice relaxation (T 1 ) as a means for obtaining contrast. only hard pulses of quadrature phase. This approach provides a In the latter category, selectivity depends on there being a direct and unambiguous representation of the spatial distribution significant difference in the T 1 values of resonances for nuof the two chemical species. In addition, the performance characteristics and the a

Who reads A Selective-Echo Method for Chemical-Shift Imaging of Two-Component Systems?

Author

Rex E. Gerald II; Anatoly O. Krasavin; Robert E. Botto

Publisher

Elsevier Science; Elsevier - Academic Press; Academic Press; Elsevier BV (ISSN 1064-1858)

Published

1996

Language

EN

Field

Chemistry (Physical Sciences)