Phase alternation SSFP developed for high resolution spectral acquisition Tiago Bueno de Moraes tiagobuemoraes [a] gmail.com University of São Paulo (USP) - Brazil.
; #################################################################################### ; T.B. Moraes, et al.; Steady-State Free Precession sequences for high and low field ; NMR spectroscopy in solution: Challenges and opportunities, JMRO, 2022. ; Linear and Non-linear Phase increment SSFP: SSFPdx and SSFPdxdt ; 1D sequence with power-gated decoupling ; #################################################################################### ; Set: DS = 1 ; NS = 1; d3 = Aq + d1; ; Recommended values: d1 = 0.01001 ms (minimum); Aq = 0.189 ms; d3 = 0.2 ms; ; L0 - dummy scan of each phase increment block; ; L1 - scan in each phase increment block; L0 e L1 need to be multiple of the table phase;
SSFPd2 - uses two block acquisition SSFPd4 - uses four block acquisition SSFPd8 - uses eight block acquisition SSFPdxdt - non-linear phase increment with continuous acquisition
References
[1] Moraes, T.B.; et al.; Steady-State Free Precession sequences for high and low field NMR spectroscopy in solution: Challenges and opportunities, Journal of Magnetic Resonance Open, v. 14-15, 100090, 2023. https://doi.org/10.1016/j.jmro.2022.100090
[2] Moraes, T.B.; et al.; Suppression of spectral anomalies in SSFP-NMR signal by the Krylov Basis Diagonalization Method, Journal of Magnetic Resonance, v. 243, p. 74-80, 2014. https://doi.org/10.1016/j.jmr.2014.03.009
[3] Moraes, T.B.; Precessão Livre no Estado Estacionário com alternância de fase para RMN em alta e baixa resolução, 172 p., Tese (Doutorado em Física), Instituto de Física de São Carlos, Universidade de São Paulo (USP), 2016.
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