Unanswered questions

33S NMR Experiment

1 1 6k
answers votes views
Dear Everyone I´d like to run 33S-NMR experiments using a Bruker NMR spectrometer at 400 MHz buy I nedd the pulse seque...
Pete Gierth 401 Jun 15 '12 at 07:53

Multiple pdb files in pymol

1 0 4k
answers votes views
I have to convert 13000 all atom pdb files into files with c-alpha only. Is there any way i can convert all the files in...
renee 56 Jun 13 '12 at 16:03

edasp window for 1H/19F double resonance experiment

3 1 7k
answers votes views
Hello to all, This time I am having problem with doing a double resonance experiment. The final goal is to do 1H/19F-HO...
Kirk Marat 711 Jun 07 '12 at 13:54

simpson and spinevolution

1 1 4k
answers votes views
Hi, I'm about to start to implement a front end to simpson, and perhaps spinevolution. I wonder if anyone here have some...
Frey 61 Jun 06 '12 at 19:18

Why Wobb for 19F is so much dependant on the kind of sample while 1H not?!!

2 0 5k
answers votes views
Normally for 1H, it doesn't matter so much to tune the probe with or without a sample inside. And during the measurement...
Amin os 43 Jun 06 '12 at 07:26

Why do we turn off sample spinning when we do NOESY experiment?

2 1 7k
answers votes views
Why do we trun off sample spinning when we do NOESY experiment? ...
Evgeny Fadeev 5771 Jun 03 '12 at 17:23

viewport feature

1 0 3k
answers votes views
The VnmrJ software has a viewport feature. This feature allows the user to view at most 4 spectra (whether 1D or 2D) si...
Frey 61 May 30 '12 at 17:47

Editing solvent parameters on vnmrj?

1 0 4k
answers votes views
The default parameter setting for Acetic Acid seems to be setting the Lock Power to two. This is a problem when running...
renee 56 May 25 '12 at 15:17

NMR transmission, polarized magnetic field and rotation along x' and y' axis

1 0 7k
answers votes views
I am trying to understand the workings of the NMR transmission more closely. I understand how the sinusoidally varying m...
Aniket 1 May 22 '12 at 10:35

Pt 195 NMR Signal to Noise

3 0 6k
answers votes views
I need help with parameters on a Varian system for Pt-195 NMR. I am having trouble with signal to noise. From what I've ...
jkurutz 131 May 21 '12 at 07:59

Temperature dependence of chemical shift in sodium fluoride aqueous solution.

0 0 2k
answers votes views
I know water is about -0.01ppm/K. How about Na and F? ...
Jeffreyyyy 1 Apr 29 '12 at 04:03

"quiet" NOESY

1 0 4k
answers votes views
How to set "quiet" NOESY experiment on spectrometer Bruker ? ...
David O'Brien 1 Apr 25 '12 at 08:38

Macro for variable temperature experiments on Topspin (Bruker)

3 0 11751
answers votes views
I am working on a MAS solid-state NMR Bruker spectrometer using Topspin. Is anyone familiar with a macro for running sev...
David O'Brien 1 Apr 25 '12 at 08:32

NMR integral of Hydrophobically modified polyelectrolyte

0 0 3k
answers votes views
Hi there, I have a polyelectrolyte polyethylenimine (PEI) grafted with DSPE-PEG (lipid-polyethylene glycol). I have some...
leosiu 1 Apr 24 '12 at 13:13

read external file felix

0 0 2k
answers votes views
Hey Everyone, I'm using felix 2007 to analyze my data, and I wonder if it is possible to read external text files. Basic...
LucaC 1 Apr 13 '12 at 12:38

2D Peak-Picking in Matlab?

1 1 7k
answers votes views
I've got some (phased) 2D spectra and I'd like to create an automated workflow to get a listing of the peak positions, i...
Amin os 43 Apr 13 '12 at 05:00

AMMRL meeting at ENC 2012

1 1 4k
answers votes views
Hello- Is there interest in posting information from the AMMRL meeting at this year's ENC on NMR Wiki? Maybe tweets or ...
Jerry Hirschinger 199 Apr 12 '12 at 13:15

set up aromatics experiment in VNMRJ2.2

2 1 3k
answers votes views
Dear Sir, I am new to set up of aromatic assignment experiment. Can you please specify what parameters in VNMRJ 2.2 a...
Arun Gupta 11 Apr 05 '12 at 22:42

WALTZ-16 decoupling sequence

0 0 4k
answers votes views
Dear all, I am interested in the calculation of WALTZ-16's phase,ie,where comes 0-180-0-...-180-0-180. In addition, the...
jinghere 11 Mar 28 '12 at 22:31

what do you mean by radiation damping give the elementary theory of dispersion. [closed]

0 0 3k
answers votes views
please give me answer on this email id ptsttripathi@gmail.com ...
Evgeny Fadeev 5771 Mar 27 '12 at 04:18

How do you build an NMR power amplifier?

1 0 6k
answers votes views
And how to you match it to the NMR coil? Basically I'm looking to perform NMR experiments with frequencies in the 500KH...
lbeezley 1 Mar 25 '12 at 08:37

spinner problem [Varian]

3 0 9k
answers votes views
Dear Colleagues, my NMR system recently suffers from problems with spinning the sample. Namely, it does not regulate at...
Jerry Hirschinger 199 Mar 22 '12 at 10:48

VNMRJ 2.2D Macro help

0 0 3k
answers votes views
I am hoping to get some help for setting up a macro to get the NMR to find z0 and auto-shim onto a standard sample after...
Kirk Marat 711 Mar 22 '12 at 06:50

protein-protein complex structure determination

1 0 4k
answers votes views
Dear Friends, I am working on a protein-protein complex using 700MHz VARIAN NMR . I have done HSQC perturbation studi...
service email start 11 Mar 15 '12 at 17:40

How to perform non-selective spectroscopy with an imager?

0 0 2k
answers votes views
Greetings NMR Wiki, I am using a Bruker Biospec 24/30, (100 MHz 1H, DBX, Pv3, XWIN), equiped with a 36mm litz coil prob...
w101bdk 7 Mar 14 '12 at 10:25

PC rebooted suddenly and Topspin got problem. Has this happened to you?

2 0 5k
answers votes views
Hello all, I was measuring on a Topspin 300MHz and multizg was running (T1ir and cpmg). I unplugged my usb flash memory ...
Amin os 43 Mar 14 '12 at 02:30

bsms hard ware test on nmr specrometer

1 0 9k
answers votes views
HI nmr wikier I want to test bruker nmr spectometer bsms unit on board level including all boards. How to run the test f...
Ulrich Haunz 210 Mar 13 '12 at 04:46

3d Tocsy-hsqc mgnetization transfer problem

1 0 3k
answers votes views
Dear All, I acquired a 3d tocsy-hsqc edited on Bruker machine of small protein in micelles with a mixing time of 70ms. T...
Mark Girvin 11 Mar 09 '12 at 07:39

1H t2 measurement in solid state nmr

1 0 6k
answers votes views
How to measure t2 of 1H in solid state nmr? we use saturation burst followed by cp to measure T1 of 1H in solid state in...
Ulrich Haunz 210 Mar 05 '12 at 03:34

High Pressure NMR Samples

3 0 7k
answers votes views
I need to run NMR on samples of anhydrous ammonia. The boiling point of anhydrous ammonia is -33.34 deg C. In order to...
Damodaran Krishnan Achary 21 Feb 28 '12 at 14:09
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