;psychetse.mf ;TSE-PSYCHE ;Pure Shift Yielded by Chirp Excitation ;Using triple spin echo for suppression of strong coupling artefacts ; ;Mohammadali Foroozandeh ;University of Manchester ;Avance II+/III Version ;Topspin 3.x ; ;Data can be reconstructed using a macro available at http://nmr.chemistry.manchester.ac.uk ; ;(1) Foroozandeh, M.; Adams, R. W.; Meharry, N. J.; Jeannerat, D.; Nilsson, M.; Morris, G. A. Angew. Chem. Int. Ed. 2014, 53, 6990. ;(2) Foroozandeh, M.; Adams, R. W.; Nilsson, M.; Morris, G. A. J. Am. Chem. Soc. 2014, 136, 11867. ;(3) Foroozandeh, M.; Adams, R. W.; Kiraly, P.; Nilsson, M.; Morris, G. A. Chem. Commun., 2015 ; ;$CLASS=HighRes ;$DIM=2D ;$TYPE= ;$SUBTYPE= ;$COMMENT= #include #include #include define delay tauA define delay tauB "in0=inf1/2" "p2=p1*2" "tauA=in0/2" "tauB=dw*2*cnst4" "cnst50=(cnst20/360)*sqrt((2*cnst21)/(p40/2000000))" "p30=1000000.0/(cnst50*4)" "cnst31= (p30/p1) * (p30/p1)" "spw40=plw1/cnst31" "p31=1000000.0/(cnst51*4)" "cnst32= (p31/p1) * (p31/p1)" "spw41=plw1/cnst32" "spw42=spw41" "p20=p40" "p21=p41" "p22=p42" 1 ze 2 d1 pl1:f1 3 p1 ph1 tauA 50u UNBLKGRAD p16:gp1 d16 10u pl0:f1 d16 ( center (p41:sp41 ph2):f1 (p21:gp11) ) d16 60u p16:gp1 d16 tauA d0 p16:gp2 d16 10u d16 ( center (p40:sp40 ph3):f1 (p20:gp10) ) d16 10u p16:gp2 d16 tauB p16:gp3 d16 60u d16 ( center (p42:sp42 ph4):f1 (p22:gp12) ) d16 10u pl1:f1 p16:gp3 d16 d0 50u BLKGRAD go=2 ph31 d1 mc #0 to 2 F1QF(id0) exit ph1= 0 2 0 2 0 2 0 2 ; Hard_90 ph2= 0 0 0 0 1 1 1 1 ; sweep-180 ph3= 0 0 1 1 0 0 1 1 ; beta ph4= 0 0 0 0 0 0 0 0 ; sweep-180 ph31=0 2 2 0 2 0 0 2 ; Receiver ;pl0 : zero power ;pl1 : high power ;p1 : 90 degree high power pulse ;p16 : duration of CTP gradients (1m) ;p20 : duration of weak gradient during PSYCHE pulse element ;p21 : duration of weak gradient during 1st 180-degree swept-frequency pulse ;p22 : duration of weak gradient during 2nd 180-degree swept-frequency pulse ;p40 : duration of double-chirp PSYCHE pulse element ;p41 : duration of 1st 180-degree swept-frequency pulse ;p42 : duration of 2nd 180-degree swept-frequency pulse ;d0 : incremented delay ;d1 : relaxation delay ;d16 : recovery delay for gradients ;spw40 : RF power of double-chirp PSYCHE pulse element ;spw41 : RF power of 1st 180-degree swept-frequency pulse ;spw42 : RF power of 2nd 180-degree swept-frequency pulse ;spnam40: file name for PSYCHE pulse element ;spnam41: file name for 1st 180-degree swept-frequency pulse ;spnam42: file name for 2nd 180-degree swept-frequency pulse ;gpz1: CTP gradient (35%) ;gpz2: CTP gradient (49%) ;gpz3: CTP gradient (77%) ;gpz10: weak gradient during PSYCHE element (1-3%) ;gpz11: weak gradient during 1st 180-degree chirp (1-3%) ;gpz12: weak gradient during 2nd 180-degree chirp (1-3%) ;gpnam1: SINE.100 ;gpnam2: SINE.100 ;gpnam3: SINE.100 ;gpnam10: RECT.1 ;gpnam11: RECT.1 ;gpnam12: RECT.1 ;cnst20: desired flip angle for PSYCHE pulse element (degree) (normally 10-25) ;cnst21: bandwidth of each chirp in PSYCHE pulse element (Hz) (normally 10000) ;cnst51: RF amplitude for 180-degree chirp pulses (Hz) ;in0 : 1/(2 * SW) = DW ;nd0 : 2 ;td1 : number of t1 increments ;MC2 : QF