Unanswered questions

Basics of filtered NOE experiment

1 1 4k
answers votes views
I have not fully understood the mechanism of the filtered NOE experiment. What does it tell you? Are you able to disting...
Posted: Amelie W 11 / Updated: Evgeny Fadeev 5771 Mar 03 '11 at 17:44

Bruker DRU ADC-overflow warning message in Topspin during HSQCEDETGP

6 1 21794
answers votes views
To experienced Bruker users: I often get the following message in ICON-NMR while running HSQC/HMQC: "zg: DRU warning: n ...
Posted: Sylvain Demanze 71 / Updated: djh 1 Aug 11 '11 at 02:49

Bruker Tpospin for brain spectroscopy analysis

1 1 5k
answers votes views
Hi I am using Bruker Tpospin for brain spectroscopy analysis. I am new to this software. My question is how do I make s...
Posted: surya 11 / Updated: djh 1 Aug 11 '11 at 02:57

Problems about VnmrJ 2.3A (2 shimDriver)

0 0 2k
answers votes views
when shimming with shimDriver, there may be an error message as 'usage - dfid or dfid#' and then the autoshim procedure ...
Posted: Frey 61 Feb 26 '11 at 22:23

Problems about VnmrJ 2.3A (1.shimming)

0 1 3k
answers votes views
when shimming with Fid scan, the fid/spectrum can't be displayed in real time. ...
Posted: Frey 61 Feb 26 '11 at 22:22

Problems about VnmrJ 2.3A(3. fid display style)

0 0 3k
answers votes views
How can I change the line style of the spectrum or fid in viewports? The line of spectrum seems too narrow. ...
Updated: Frey 61 Feb 26 '11 at 22:24

Distinguish between protonation and conformational change?

2 1 5k
answers votes views
Hi all, In a folded protein with 13C-delta labeled glutamates, how can one distinguish between chemical shift due to pr...
Posted: RCKC 11 / Updated: SankarampadiAravamudhan 91 Feb 27 '11 at 22:59

Area of effect?

4 1 5k
answers votes views
What defines the area of effect of nuclear magnetic resonance? Is it the magnetic field? the frequency? Or just the diam...
Posted: M Kieselbach 11 / Updated: Dmitry Mainichev 31 Mar 22 '11 at 19:00

Question about bandwidth

3 1 8k
answers votes views
Is acquisition bandwidth and receiver bandwidth the same?? am confused with the terminology....please clarify....thanks ...
Posted: cyclone 21 / Updated: SankarampadiAravamudhan 91 Feb 14 '11 at 07:36

How can I calculate a carbon-proton coupling constant for a molecule?

1 1 8k
answers votes views
I'm trying to explain a missing HMBC peak, and having a coupling constant less than 10 Hz would do that nicely. It's a f...
Posted: Toth 11 / Updated: sekhar Talluri 621 Mar 05 '11 at 09:58
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