A Partial List of NMR Acronyms, Abbreviations, and Terms
| ACCORDION
ACCORDION:
ADA
A simultaneous incrementing of evolution and mixing times. - 2D ADA:
ADRF
Alternated Delay Acquisition ADRF:
AHT
Adiabatic Demagnetization in the Rotating Frame AHT:
APHH-CP
Average-Hamiltonian Theory APHH-CP:
APT
Adiabatic-Passage Hartmann-Hahn Cross Polarization APT:
ARP
Attached Proton Test ARP:
ASIS
Adiabatic Rapid Passage ASIS:
Aromatic Solvent-Induced Shift |
| BB
BB:
BIRD
Broadband BIRD:
BLEW
Bilinear Rotation Decoupling BLEW:
BR-24
A windowless multiple-pulse decoupling sequence BR-24:
Burum and Rhim pulse sequence |
| CAMELSPIN
CAMELSPIN:
CHESS
Cross-relaxation Appropriate for Minimolecules Emulated by Locked SPINs CHESS:
CHIRP
Chemical Shift Selective Imaging Sequence CHIRP:
CIDNP
a quick, frequency modulated 'chirp' pulse used for broadband decoupling CIDNP:
COCONOESY
Chemically Induced Dynamic Nuclear Polarization COCONOESY:
COLOC
Combined COSY/NOESY COLOC:
CONOESY
Correlatied Spectroscopy for Long Range Coupling CONOESY:
COSY
Combined COSY/NOESY same thing as COCONOESY COSY:
COSY-45
Correlation Spectroscopy Scalar J coupling - usually 2D COSY-45:
COSYDEC
COSY with 45° mixing pulse COSYDEC:
COSYLR
COSY with F1 Decoupling COSYLR:
CP
COSY for Long Range Couplings CP:
CPD
Cross Polarization CPD:
CPMAS
Composite-Pulse Decoupling CPMAS:
CPMG
Cross Polarization Magic-Angle Spinning CPMG:
CRAMPS
Carr-Purcell-Meiboom Gill Sequence CRAMPS:
CRINEPT
Combined Rotational and Multiple Pulse Spectroscopy CRINEPT:
CSA
Cross-correlated Relaxation-enhanced Polarization A combination of INEPT with cross-correlated relaxation-induced polarization transfer CSA:
CSCM
Chemical Shift Anisotropy CSCM:
CT
Chemical Shift Correlation Map CT:
CT-HSQC
Constant Time CT-HSQC:
CW
Constant Time - Heteronuclear Single Quantum Correlation Scalar J coupling - usually 2D CW:
CYCLOPS
Continuous Wave Scalar J coupling - usually 2D CYCLOPS:
Cyclically Ordered Phase Sequence Scalar J coupling - usually 2D |
| DANTE
DANTE:
DAS
Delay Alternating with Nutation for Tailored Excitation DAS:
DCNMR
Dynamic Angle Spinning DCNMR:
DD
Direct Current NMR NMR performed in the presence of a direct electric current DD:
DECSY
Dipole-Dipole DECSY:
DEFT
Double-quantum Echo Correlated Spectroscopy DEFT:
DENA
Driven Equilibrium Fourier Transform DENA:
DEPT
Dfferential Evolution for Non-ambiguous Aliasing A fast method for increasing the resolution of a 1H-13C HSQC in the indirect dimension. Ref: M. Foroozandeh D. Jeannerat \“Deciphered Chemical Shifts in Aliased Spectra recorded with two Slightly Different Narrow Windows or Differential Chemical Shift Evolution\” ChemPhysChem 2010, 11, 2503-2505 DEPT:
DEPTH
Distortionless Enhanced Polarization Transfer DEPTH:
DIGGER
A spin-echo sequence of pulses to select for spatial location within the static field DIGGER:
DIPSI
Discrete Isolation from Gradient Governed Elimination of Resonances DIPSI:
DISCO
Decoupling In the Presence of Scalar Interactions DISCO:
DNMR
Difference and Sums within COSY DNMR:
DOUBTFUL
Dynamic NMR DOUBTFUL:
DQ
Double Quantum Transitions for Finding Unresolved Lines DQ:
DQC
Double Quantum DQC:
DQF
Double Quantum Coherence DQF:
DQF-COSY
Double Quantum Filter DQF-COSY:
DRAMA
Double Quantum Filtered - Correlation Spectroscopy DRAMA:
DRESS
Dipolar Recovery at the Magic Angle A solid-state NMR recoupling technique. DRESS:
DSA
Depth Resolved Spectroscopy DSA:
DUMBO
Data-Shift Acquisition DUMBO:
a numerically optimized sequence (see Homonuclear dipolar decoupling in solid-state NMR using continuous phase modulation) |
| E.COSY
E.COSY:
EFG
Exclusive Correlation Spectroscopy EFG:
ELD
Electric Field Gradient ELD:
ENDOR
Energy Level Diagram ENDOR:
ENMR
Electron-nuclear Double Resonance ENMR:
EPI
Electrophonetic NMR EPI:
ESR
Echo Planar Imaging ESR:
EXORCYCLE
Electron Spin Resonance EXORCYCLE:
4-step phase cycle for spin echoes |
| FFT
FFT:
FID
Fast Fourier Transform FID:
FIRFT
Free Induction Decay FIRFT:
FLASH
Fast Inversion-Recovery Fourier Transform FLASH:
FLOPSY
Fast Low-angle Shot Imaging FLOPSY:
FOCSY
Flip-Flop Spectroscopy A decoupling scheme FOCSY:
FOV
Foldover-Corrected Spectroscopy A decoupling scheme FOV:
FSLG
Field of View FSLG:
FT
Frequency Switched Lee-Goldburg a decoupling scheme - (see Homonuclear dipolar decoupling in solid-state NMR using continuous phase modulation) FT:
FUCOUP
Fourier Transform FUCOUP:
Fully Coupled Spectroscopy |
| GARP
GARP:
GE
Globally Optimized Alternating Phase Rectangular Pulse A decoupling scheme GE:
GES
Gradient Echo GES:
GRASP
Gradient Echo Spectroscopy GRASP:
GRASS
Gradient-Accelerated Spectroscopy GRASS:
GROPE
Gradient-Recalled Acquisition the Steady State GROPE:
GS
Generalized compensation for Resonance Offset and Pulse Length Errors GS:
Gradient Spectroscopy |
| H, C-COSY
H, C-COSY:
HETCOR
1H, 13C Chemical-Shift Correlation Spectroscopy HETCOR:
HMBC
Heteronuclear Correlation Spectroscopy HMBC:
HMQC
Heteronuclear Multiple Bond Coherence HMQC:
HOESY
Heteronuclear Multiple Quantum Coherence HOESY:
HOHAHA
Heteronuclear Overhauser Effect Spectroscopy HOHAHA:
HR
Homonuclear Hartmann-Hahn Spectroscopy HR:
HSQC
High Resolution HSQC:
H, X-COSY
Heteronuclear Single Quantum Correlation xxx H, X-COSY:
1H, X-nucleus chemical-shift Correlation Spectroscopy |
| INADEQUATE
INADEQUATE:
INDOR
Incredible Natural Abundance Double Quantum Transfer Experiment INDOR:
INEPT
Internuclear Double Resonance INEPT:
INVERSE
Insensitive Nuclei Enhanced by Polarization INVERSE:
IPAP
H, X correlation via 1H detection IPAP:
IR
Inphase Antiphase (HSQC) IR:
ISIS
Inversion-Recovery ISIS:
Image-Selected In Vivo Spectroscopy |
| JR
JR:
Jump - and - Return sequence 90y - tau - 90-y |
| LIS
LIS:
LP
Lanthanid Induced Shift LP:
LSR
Linear Prediction LSR:
Lanthanide Shift Reagent |
| MARF
MARF:
MAS
Magic Angle in the Rotating Frame MAS:
MASS
Magic Angle Spinning MASS:
MEDUSA
Magic Angle Sample Spinning MEDUSA:
MEM
A technique for the determination of Dynamic Structures MEM:
MLEV
Maximum Entropy Method MLEV:
MP
Malcolm Levitt's CPD sequence A decoupling scheme MP:
MQ
Multi Pulse MQ:
MQC
Multiple-Quantum MQC:
MQF
Multiple-Quantum Coherence MQF:
MQS
Multiple-Quantum Filter MQS:
MREV
Multiple-Quantum Spectroscopy MREV:
MRI
Mansfield-Rhim-Elleman-Vaughn sequence for dipolar line narrowing MRI:
MRS
Magnetic Resonance Imaging MRS:
MRSI
Magnetic Resonance Spectroscopy MRSI:
MSHOT-3
Magnetic Resonance Spectroscopic Imaging MSHOT-3:
MSPGSE
Magic Sandwich High Order Truncation a method based on z-rotational decoupling N. C. Nielsen and co-workers, J. Chem. Phys. 106, 7571(1997); Chem. Phys. Lett. 273, 297 (1997) MSPGSE:
Multiply-Stepped PGSE |
| NMR
NMR:
NOE
Nuclear Magnetic Resonance NOE:
NOESY
Nuclear Overhauser Effect NOESY:
NQCC
Nuclear Overhauser Effect Spectroscopy Internuclear cross relaxation - usually 2D NQCC:
NQR
Nuclear Quadrupole Coupling Constant NQR:
Nuclear Quadrupole Resonance |
| ODMR
ODMR:
OSIRIS
Optically Detected Magnetic Resonance OSIRIS:
a modified version of ISIS |
| PAR
PAR:
P.E.COSY
Phase-alternated Rotation of Magnetization P.E.COSY:
PELF
Primitive E.COSY PELF:
PFG
Proton-Encoded Local Field spectroscopy a 2D method PFG:
PFGSE
Pulse Field Gradient PFGSE:
PGSE
Pulse Field Gradient Spin Echo PGSE:
PMFG
Pulsed Gradient Spin Echo PMFG:
POST
Pulsed Magnetic Field Gradient POST:
ppm
Permutationally Offset Stabilized ppm:
PRESS
parts per million The prefered way of describing chemical shift offsets. (e.g a 100 Hz shift in a 100 MHz field is 1 ppm) PRESS:
PRFT
Point Resolved Spectroscopy PRFT:
PSD
Partially Relaxed Fourier Transform PSD:
PW
Phase-Sensitive Detection PW:
Pulse Width |
| QF
QF:
QPD
Quantum Moment/Field Gradient interaction or relaxation mechanism QPD:
Quadrature Phase Detection |
| RARE
RARE:
RCT
Rapid Acquisition Relaxation Enhanced RCT:
RD
Relayed Coherence Transfer RD:
RECSY
Reduced Dimensionality RECSY:
REDOR
Multistep Relayed Coherence Spectroscopy REDOR:
RELAY
Rotational Echo Double Resonace RELAY:
RF
Relayed Correlation Spectroscopy RF:
ROESY
Radio Frequency ROESY:
ROTO
Rotational nuclear Overhauser Effect Spectroscopy ROTO:
ROESY-TOCSY Relay |
| SA
SA:
SC
Shielding Anisotropy SC:
SD
Scalar Coupling SD:
SDDS
Spin Diffusion SDDS:
SE
Spin Decopling Difference Spectroscopy SE:
SECSY
Spin Echo SECSY:
SEDOR
Spin Echo Correlated Spectroscopy SEDOR:
SEFT
Spin Echo Double Resonace SEFT:
SELINCOR
Spin Echo Fourier Transform Spectroscopy with J modulation SELINCOR:
SELINQUATE
Selective Inverse Correlation SELINQUATE:
SEMUT
Selective INADEQUATE SEMUT:
SFORD
Subspectral Editing Using a Multiple-Quantum Trap SFORD:
SKEWSY
Single Frequency Off-Resonance Decoupling SKEWSY:
SNR (S/N)
Skewed Exchange Spectroscopy SNR (S/N):
SPACE
Signal to Noise Ratio SPACE:
SPECIFIC-CP
Spatial and Chemical-Shift Encoded Excitation SPECIFIC-CP:
SPI
Spectrally Induced Filtering In Combination with Cross Polarization SPI:
SPT
Selective Population Inversion SPT:
SQ
Selective Population Transfer SQ:
SQF
Single Quantum SQF:
SR
Single Quantum Filter SR:
SSFP
Saturation Recovery SSFP:
SSI
Steady-State Free Precision SSI:
ssNMR
Solid State Imaging ssNMR:
STE
Solid State NMR STE:
STEAM
Stimulated Echo STEAM:
STUD
Stimulated Echo Acquisition Mode for imageing STUD:
SUSAN
Adiabatic decoupling method M.R. Bendall and T.E. Skinner. \Calibration of STUD decoupling to achieve selected sideband amplitudes.\ J. Magn. Reson., A120, 77-87 (1996). SUSAN:
Spin Decoupling Employing Ultra-broadband-inversion Sequences Generated via Simulated Annealing |
| TCF
TCF:
TE
Time Correlation Function TE:
TMR
Time delay between excitation and Echo maximum TMR:
TOCSY
Topical Magnetic Resonance TOCSY:
TOE
Total Correlated Spectroscopy TOE:
TORO
Truncated NOE TORO:
TOSS
TOCSY-ROESY Relay TOSS:
TPPI
Total Supression of Sidebands TPPI:
TPPM
Time-Proportional Phase Incrementation TPPM:
TQ
Two Pulse Phase Modulation TQ:
TQF
Triple Quantum TQF:
TR
Triple Quantum Filter TR:
TRCF
Time for Repitition of excitation TRCF:
TROSY
Tilted Rotating Coordinate Frame TROSY:
Transverse Relaxation-Optimized NMR Spectroscopy |
| UE
UE:
Unpaired Electron A relaxation mechanism |
| VAS
VAS:
VOSY
Variable Angle Spinning VOSY:
Volume-Selective Spectroscopy |
| WAHUHA
WAHUHA:
WALTZ
Waugh-Huber-Haberlen Sequence WALTZ:
WATERGATE
A broad-band composite pulse decoupling scheme WATERGATE:
WEFT
Water Supression Pulse Sequence WEFT:
WURST
Water Eliminated Fourier Transform WURST:
Wideband, Uniform Rate, and Smooth Truncation an adiabatic decoupling method Kupce, E., Freeman, R.Adiabatic pulses for wideband inversion and broadband decoupling A 115 273-276. J. Magn. Reson. |
| XCORFE
XCORFE:
X-Filter
H, X Correlation Using a Fixed Evolution Time X-Filter:
X-Half-Filter
Selection of 1H - 1H correlations when both protons are coupled to X X-Half-Filter:
Selection of 1H - 1H correlations when one proton is coupled to X |
| Z-COSY
Z-COSY:
ZECSY
COSY with Z-filter ZECSY:
Z-Filter
Zero-Quantum Echo-Correlated Spectroscopy Z-Filter:
ZQ
pulse sandwich for elimination of signal components with dispersive phase ZQ:
ZQC
Zero Quantum ZQC:
ZQF
Zero Quantum Coherence ZQF:
ZZ-Spectroscopy
Zero Quantum Filter ZZ-Spectroscopy:
Selection of coherences invloving ZZ or longitudinal two-spin order |
The definitions for many of these were obtained from Concepts in Magnetic Resonance, Vol. 10 59-62 (1998) © 1998 John Wiley & Sons, Inc.
Other definitions have come from various NMR literature sources. If you have an acronym that describes an actual NMR experiment, please let us know. Give us the acronym, its expansion, and if possible, a brief description of what it would be used for and a primary journal citation.