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0 |
12456 |
| answers |
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views |
I have this difficult question that has stumped almost any physicist or chemist i've asked.. so i'm asking you guys, spe...
| 0 |
0 |
2k |
| answers |
votes |
views |
Dear all,
Early next year we are about to exchange a Oxford 800 MHz NMR for a Bruker 950 MHz. At the moment we are not ...
Posted:
Ruud70
1
Nov 16 '20 at 06:20
| 0 |
0 |
3k |
| answers |
votes |
views |
My group seeks highly accurate 3J 1H-1H coupling constants. After an extensive literature search, I see conflicting sta...
| 0 |
0 |
2k |
| answers |
votes |
views |
I encountered a problem with our 600 MHz NMR instrument. When acquiring the line shape sample, while spinning, the chlo...
| 0 |
0 |
23428 |
| answers |
votes |
views |
Hi,
I wanna Brukers TopSpin/XWIN-NMR to log the start and end
times of every experiment.
With this information I can ...
Posted:
oxy
31
Aug 28 '19 at 01:42
| 0 |
0 |
10951 |
| answers |
votes |
views |
Dear all,
I am writing an script to calculate experiment times
on Bruker spectrometers (doing accounting on old machine...
Posted:
oxy
31
Aug 26 '19 at 05:06
| 0 |
0 |
5k |
| answers |
votes |
views |
Hi there,
I am looking for the pulse program for the PENDANT experiment, for a Bruker Avance III spectrometer, has anyon...
| 0 |
0 |
3k |
| answers |
votes |
views |
Does anyone notice that the Future actions (wbs,wnt,et al) won't work in VnmrJ 3.2?
In previous version VnmrJ, the wbs/w...
Posted:
Zhang
1
Jun 27 '18 at 03:30
| 0 |
0 |
3k |
| answers |
votes |
views |
In the reconstruction part of NMRPipe processing, when I run the command './run.local' the message below appears in the ...
| 0 |
0 |
2k |
| answers |
votes |
views |
In the reconstruction part of NMRPipe processing, when I run the command './run.local' the message below appears in the ...
| 0 |
0 |
3k |
| answers |
votes |
views |
Does anyone know any literature on F19 solid state nmr studies of lithium fluoride LiF? Either in single crystal or powd...
Posted:
forza
1
Mar 22 '18 at 08:34
| 0 |
0 |
11531 |
| answers |
votes |
views |
Hello everyone,
I had to change a BVT3300 module in a Bruker Avance 300 console today. Everytihing went fine and the mo...
Updated:
gael58
1
Feb 22 '18 at 07:45
| 0 |
0 |
9k |
| answers |
votes |
views |
Recently we exchanged our old consoles (Avance III and DRX) with the Bruker’s new NEO series. After the installation of ...
Posted:
alina
1
Jan 29 '18 at 05:52
| 0 |
0 |
10742 |
| answers |
votes |
views |
I have a set of molecules with similar structure. The 1H-15N HMBC spectra of two of these molecules were taken in DMSO-d...
Posted:
Bhanu
1
Jan 15 '18 at 10:45
| 0 |
0 |
2k |
| answers |
votes |
views |
can shape pulse power be in negative for example -1.98 for crp60comp.4 in dept-135 nmr experiment.
...
Posted:
feroon
21
Dec 20 '17 at 09:51
| 0 |
0 |
10281 |
| answers |
votes |
views |
Hello, I am the first time confronted with a 13C-NMR, in which a coupling between the 13C and 31-P cores takes place.
I ...
| 0 |
0 |
13513 |
| answers |
votes |
views |
Hi,
I have run 19F and 31P dosy using ledbpgg2s program from Bruker, I obtain good decreasing curves as expected, with u...
| 0 |
0 |
9k |
| answers |
votes |
views |
Dear all,
I want to write a macro that run lock, gradient shimming and acquisition in VnmrJ. I tried two ways, but fail...
Updated:
Zhang
1
Sep 24 '17 at 18:43
| 0 |
0 |
14541 |
| answers |
votes |
views |
My doubts are about NMR saturation. Saturation is caused by a continued impulse and cause the equalization in spin popol...
Posted:
Youlsea
1
Aug 29 '17 at 08:11
| 0 |
0 |
10427 |
| answers |
votes |
views |
Hello!
I'd like to understand the application of quadrupolar effects in MRI. I read different materials on this topic b...
| 1 |
0 |
11212 |
| answers |
votes |
views |
What is the shape of the graph between intensity and contact time for different spin rate in CP?
...
| 1 |
0 |
6k |
| answers |
votes |
views |
how can i understand the effect of dipolar coupling in cp spectrum?
...
| 0 |
0 |
9k |
| answers |
votes |
views |
i got a sinusoidal graph for intensity vs contact time graph in CP.how can explain the theory behind this?
...
| 0 |
0 |
5k |
| answers |
votes |
views |
Can anybody provide parameter file for running 2 D STD 1H 13C HSQC on bruker 600 MHz instrument.
...
| 1 |
0 |
8k |
| answers |
votes |
views |
Since ROESY uses a cw spin-lock, is it safe to set up a mixing time of 500ms? If I want a roesy spin-lock strength of 2....
| 0 |
0 |
8k |
| answers |
votes |
views |
Hi,All,
I wonder if somebody can tell me why in these two experiments( also hbha(co)nh,I think) in Bruker(not sure if yo...
Updated:
blue
1
Feb 28 '17 at 08:37
| 0 |
0 |
4k |
| answers |
votes |
views |
Hi,
I'm trying to perform an NOESYGPPS 1D 1H NMR experiment to suppress water and the ethanol signals in a wine sample, ...
| 0 |
0 |
5k |
| answers |
votes |
views |
So I think this could be asked in my oral exam. Why are the T1 relaxation times in NMR spectroscopy shorter than those o...
| 2 |
0 |
5k |
| answers |
votes |
views |
Our group just transfered from Varian to Bruker NMR, and we have a problem. Since my sample is unstable, when thereis a ...
| 2 |
0 |
4k |
| answers |
votes |
views |
can someone4 explain how the tssub command works. For example, for
phi4[1] = {1} ;
settable(t4, 1, phi4) ;
what does...
| 0 |
0 |
2k |
| answers |
votes |
views |
Considering the B0 field is along Z direction if and B1 is applied in the XY plane. What will be the effect on SNR of an...
| 1 |
0 |
4k |
| answers |
votes |
views |
There are many Software Tools available for that purpose. What are the problems there (if there are some)?
Do you think...
Updated:
FAS
1
Dec 08 '16 at 07:53
| 1 |
0 |
3k |
| answers |
votes |
views |
Hi I'm new to nmrPipe and I have a question about where to start assigning the backbone resonances for a recombinant pro...
| 1 |
0 |
4k |
| answers |
votes |
views |
How does one change the receiver phase DURING stroboscopic acquisition in XWINNMR? The "ipp" commands do not seem to wor...
Updated:
forza
1
Nov 10 '16 at 10:22
| 1 |
0 |
7k |
| answers |
votes |
views |
After a energy failure (cryoprobe started to warm up) I cannot establish lock (similar to http://qa.nmrwiki.org/question...
| 1 |
0 |
3k |
| answers |
votes |
views |
Is NOE observed even if molecular motion averages out the dipolar coupling between two spins.
...
| 1 |
0 |
13629 |
| answers |
votes |
views |
I am currently working on the qNMR concentration of compounds X in commercial samples:
The following is my scenario
I...
| 1 |
0 |
3k |
| answers |
votes |
views |
Hi, I am working on software for NMR assignment and one of the options to implement is import Varian spectra into our ap...
| 0 |
0 |
2k |
| answers |
votes |
views |
Hi all
We know that H NMR of paramagnetic sample or complex, is very broad with a bad signal to noise ratio.
Do you...
| 1 |
0 |
3k |
| answers |
votes |
views |
Hello all, can i filter sample by passing the sample through a cotton? I think may be some of compound in cotton dis...
| 0 |
0 |
2k |
| answers |
votes |
views |
Hi,
NOESY is very interesting method bet I have a problem. We are working with polymethacryles (MW about 20 000-30 000 ...
Posted:
AnnaLT
1
Aug 24 '16 at 22:32
| 1 |
0 |
2k |
| answers |
votes |
views |
Hi all,
New to NMRPipe. I'm trying to understand what the arguments -di and -verb to, e.g. in
|nmrPipe -fn PS -p0 66.0...
| 1 |
0 |
2k |
| answers |
votes |
views |
Dear all,
If I make the projection of the 1H -15N plane from the HNCO and compare it to the HSQC of the same sample, the...
| 1 |
0 |
3k |
| answers |
votes |
views |
Hi all,
Does anyone know if NMR relaxation rates of bulk (pure) water has been measured experimentally at several hundr...
| 1 |
0 |
5k |
| answers |
votes |
views |
I'm trying to modify some pulse sequence on bruker 400, and is confused with the use of 'blkgrad' and 'unblkgrad';
and ,...
| 2 |
0 |
3k |
| answers |
votes |
views |
We have been trying to get a 2D H-F experiment to work using the X 100 W amplifier on our Bruker NMR, but can't get it t...
| 2 |
0 |
3k |
| answers |
votes |
views |
Hi All,
I was wondering if there is a simple way for converting 2rr to ASCII format (with Origin?). I don't know if my ...
Posted:
m
1
/ Updated:
Kirk Marat
711
Sep 28 '16 at 08:07
| 1 |
0 |
2k |
| answers |
votes |
views |
please tell me whether there are method validation in nmr
...
| 1 |
0 |
2k |
| answers |
votes |
views |
Dear All,
What should be the intesnities of spinning sides bands in liquid state NMR?.
THank YOu
...
| 0 |
0 |
9k |
| answers |
votes |
views |
Hi all,
My question is about the Multiple Display (.md) function on TopSpin (Bruker AVIII).
I did some 'popt' ( paramete...
Posted:
TiagoB1
1
Nov 11 '15 at 03:40
