Monday, January 11, 2010
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A blog for the NMR users at the University of Ottawa and all others interested in NMR spectroscopy.
Glenn Facey
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- 1 (1)
- 1-ADEQUATE (1)
- 10B (1)
- 11B (5)
- 11B background (1)
- 11B COSY (1)
- 11B decoupling (1)
- 11B SQ/DQ correlation (1)
- 13C (3)
- 13C decoupling (4)
- 13C NMR of paramagnetic compounds (1)
- 13C satellites (2)
- 13C-14N (2)
- 13C-14N coupling (2)
- 13C-19F coupling (2)
- 13C-2H coupling (3)
- 13C-31P coupling (2)
- 13C-59Co (1)
- 14N decoupling (1)
- 15N (1)
- 17O NMR (2)
- 180 degree pulses (1)
- 19F (5)
- 19F decoupling (4)
- 19F-13C HMQC (1)
- 19F-1H HOESY (1)
- 1D HOESY (2)
- 1D HSQC (2)
- 1D NOESY (1)
- 1D TOCSY (2)
- 1H-11B HMQC (1)
- 1H-19F HOESY (1)
- 1H-2H coupling (1)
- 1H-31P HOESY (1)
- 23Na (2)
- 23Na background (1)
- 27Al decoupling (1)
- 29Si CP (1)
- 29Si DEPT (1)
- 2D NMR (38)
- 2H decoupling (1)
- 2H NMR (4)
- 31P (2)
- 31P decoupling (4)
- 31P-109Ag HMQC (1)
- 31P-13C HMQC (1)
- 51V (1)
- 59Co (1)
- 79Br (1)
- 90 degree pulse (4)
- accessing a used NMR magnet (1)
- acids (1)
- acoustic ringing (3)
- ADEQUATE (1)
- adiabatic decoupling (1)
- adiabatic pulses (2)
- air (1)
- antacid tablet (1)
- anthranilic acid (1)
- apodization (3)
- APT (1)
- ASA (1)
- ASCII data (2)
- background signal (3)
- background suppression (2)
- backward linear prediction (2)
- baseline correction (3)
- baseline roll (2)
- benchtop NMR (2)
- BIRD filter (1)
- Bloch Siegert shifts (1)
- Blood (1)
- broadband decoupling (1)
- broadband probe (1)
- broadening (1)
- butane (1)
- cable length (1)
- Canada (1)
- candy canes (1)
- CEST (1)
- chemical equivalence (1)
- chemical exchange agents (3)
- chemical shift referencing (3)
- chemical shift tensor (4)
- Christmas (7)
- cinnamon (1)
- citric acid (1)
- coffee (1)
- complexed solvents (1)
- composite pulses (2)
- concentration dependent chemical shifts (1)
- concentration gradient (2)
- contact time (2)
- cost of NMR probes (1)
- COSY (9)
- COSY 45 (1)
- COSY 90 (2)
- COSY vs TOCSY (1)
- coupling (7)
- coupling between magnetically equivalent nuclei (1)
- CP (23)
- CP vs Bloch decay (2)
- CPMG (1)
- cranberries (1)
- cryoprobe (1)
- D2O shake (1)
- data processing software (1)
- dead time (1)
- decoupler calibration (2)
- decoupling (7)
- decoupling bandwidth (2)
- DEPT (7)
- DEPT 135 (1)
- DEPTQ (1)
- deuterium (1)
- diffusion (1)
- digital filtering (1)
- diphosphate (1)
- dipolar coupling (2)
- dipolar dephasing (5)
- dirty probe (2)
- distortion (1)
- DNP (1)
- DOSY (2)
- double presaturation (1)
- double quantum filter (2)
- double quantum filtered COSY (1)
- DSS (1)
- dummy scans (1)
- dust (1)
- earth's field NMR (1)
- echo (1)
- ECOSY (1)
- edible oils (1)
- edited HSQC (1)
- effects of bad shimming (1)
- Eggshell (1)
- environmental instability (1)
- erroneous line shape specification (1)
- ethane (1)
- exchange (6)
- excitation profile (3)
- EXSY (2)
- external chemical shift referencing (1)
- EZNMR (2)
- fatty acids (1)
- FID (1)
- FID truncation (1)
- field dependence (2)
- field dependent resolution in solids (1)
- field homogeneity (1)
- floor vibrations (1)
- fluoride (1)
- FM radio station interference (1)
- forward linear prediction (2)
- Fourier transforms (3)
- fruit cake (1)
- FSLG (1)
- GARP (3)
- gas phase NMR (1)
- gated decoupling (1)
- ginger (1)
- gingerbread (1)
- Glycine (1)
- gradient calibration (1)
- gradients (4)
- H2BC (1)
- Hahn echo (1)
- half integer quadrupoles (8)
- hand cream (1)
- Hartman-Hahn match (2)
- heat dissipation (1)
- helium (1)
- helium fill (2)
- helium one-way valve oscillation (1)
- HETCOR (1)
- high power 1H decoupling (2)
- history of NMR (1)
- HMBC (7)
- HMQC (10)
- HMQC vs HSQC (1)
- HOESY (3)
- homonuclear decoupling (4)
- HSQC (11)
- HSQC-TOCSY (1)
- improving 2D NMR data (2)
- INADEQUATE (2)
- increasing signal-to-noise in MAS spectra (1)
- index (1)
- INEPT (2)
- inverse broadband probe (1)
- inverse gated decoupling (2)
- invisible 1H resonances (1)
- iPad apps (3)
- iPhone (2)
- isopropyl groups (1)
- isotope effect (10)
- J-Resolved (1)
- kinetic measurements (1)
- limonene (2)
- line broadening (2)
- line shape simulation (3)
- line shape specification (2)
- line shapes (2)
- linear prediction (4)
- liquid crystalline samples (1)
- lock (7)
- locking on the wrong solvent (1)
- locking with paramagnetic samples (1)
- lost signals (1)
- low-field (1)
- magnet (2)
- magnet quench (1)
- magnetic equivalence (2)
- magnetic field drift (1)
- malic acid (1)
- maple (1)
- MAS (16)
- MAS angle setting (2)
- MAS rotor crash (1)
- MAS sample size (1)
- MAS sideband suppression (1)
- MAS solids NMR vs solution state NMR (1)
- MAS spinning speed (2)
- missing or weak signals in DEPT spectra (1)
- missing signals in HMBC data (1)
- mixture analysis (4)
- molecular alignment (1)
- molecular motion (1)
- MRI (6)
- natural gas (1)
- nitrogen (1)
- nitrogen fill (2)
- NMR acronyms (1)
- NMR music (1)
- NMR of more than one isotope (1)
- NMR Technician (1)
- NMR time scale (1)
- NMR tubes (3)
- NOAH (2)
- NOE (4)
- NOESY (7)
- NOESY mixing time (1)
- NOESY vs ROESY (1)
- noise (1)
- non-uniform sampling (1)
- number of scans to collect (1)
- NUS (2)
- Nyquist sampling theorem (6)
- oxalic acid (1)
- paramagnetic oxygen (1)
- paramagnetic shifts (1)
- paramagnetic susceptibility determination (1)
- perdeuterated solvents (3)
- pharmaceutical analysis (1)
- phase (2)
- phase correction (3)
- phase errors (2)
- phases sensitive COSY (1)
- phosphate (1)
- Poor Shimming (1)
- popcorn (1)
- presaturation (6)
- probe (3)
- probe arcing (1)
- probe coil (1)
- probe electronics (1)
- probe tuning (10)
- protein (1)
- PSYCHE (2)
- pulse calibration (6)
- pulse power (4)
- pulse shape (1)
- pure shift NMR (3)
- Pure-Shift (2)
- purge pulse (1)
- QCPMG (5)
- quadrature detection (3)
- quadrature images (1)
- quadrature spikes (1)
- quantitative 13C NMR (1)
- quantitative 1H NMR (1)
- QUEST (1)
- radiation damping (2)
- ramped contact pulses (1)
- receiver gain (4)
- Red Blood Cells (1)
- reference deconvolution (1)
- relaxation time (5)
- relaxation time measurement (4)
- resolution (4)
- resolution enhancement (2)
- resolving overlapping signals (1)
- retrieving empty tube spinners (1)
- rf field (2)
- rf homogeneity (1)
- rhubarb (1)
- Rod Wasylishen (1)
- ROESY (1)
- ROESY vs NOESY (1)
- rotamer (1)
- rotational echo (1)
- rum and egg nog (1)
- sample depth (1)
- sample limitation (1)
- sample mixing (2)
- sample volume (1)
- satellite transitions (3)
- saturation (2)
- saturation transfer (3)
- scale of NMR spectrum (1)
- second order quadrupolar interaction (1)
- second-order (1)
- selective excitation (2)
- shaped pulses (5)
- shimming (5)
- shimming without a lock (1)
- shortbread (1)
- signal-to-noise (10)
- signs of coupling constants (2)
- silica (1)
- sinc distortion (1)
- slice selection (1)
- sodium (1)
- solid polymorphs (2)
- solid sample grinding (1)
- solid state 1H NMR (2)
- solid state 2H NMR (3)
- solid state NMR (1)
- solids NMR in a liquids probe (1)
- solution vs MAS solids NMR (2)
- solvent dependent chemical shifts (1)
- solvent suppression (3)
- sorbitol (1)
- sour (1)
- spectra without pulses (1)
- spin echoes (3)
- spin lock (1)
- spin noise (1)
- spin pairs (1)
- spinning (1)
- spinning liquid samples (2)
- spruce needles (1)
- steady state scans (1)
- sweeping field (1)
- T1 (4)
- T1 anisotropy (1)
- t1 noise removal (4)
- T1 rho (3)
- T2 (2)
- T2* (1)
- temperature calibration (2)
- temperature dependent shifts (1)
- temperature gradient (1)
- textbook (1)
- thermal noise (1)
- throwing away noise (1)
- TMS (1)
- TOCSY (3)
- TOCSY mixing time (1)
- TOCSY vs COSY (1)
- toothpaste (1)
- TRAPDOR (1)
- TROSY (1)
- tube thickness (1)
- Ultra-fast (1)
- unexpected signals in DEPT spectrum (1)
- variable temperature (5)
- video (7)
- virtual coupling (1)
- viscosity (1)
- Vitamin C (2)
- water suppression (5)
- watergate (2)
- weak lock (1)
- WURST (1)
- zero filling (2)
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