Unanswered questions

topshim giving worse lineshape

6 0 14267
answers votes views
HI ON bruker av-500 topshim giving worse line shape spectra for e.g it is getting the right keys but in wrong direction...
Posted: feroon 21 / Updated: John Hollerton 96 Jan 23 '13 at 02:57

sample not spining

1 0 3k
answers votes views
HI I am faceing spining problem on av-300 bruker instrument. I have change spinner,clean shim stack but the problem is s...
Posted: feroon 21 / Updated: Jerry Hirschinger 199 Sep 12 '11 at 09:31

NOESY+WET 2D artifacts

0 0 2k
answers votes views
When i run 2d noesy with wet suppression (Hypercomplex with phase=1,2, nt=32, so phasecycle errors should be excluded)),...
Posted: Nikolay Boev 41 Sep 07 '11 at 06:07

modulo or integer division in topspin

1 0 4k
answers votes views
Hi! is there a possibility to perform an integer division or a modulo calculation in topspin 2.1? Thank you! ...
Posted: guma 1 / Updated: Clemens Anklin 416 Sep 06 '11 at 11:47

13C quaternary centers in amino acids

2 0 5k
answers votes views
I've got a sample of about 5mg of an amino acid that is the final product of a a synthesis. Due to the long relaxation t...
Posted: Eneas 1 / Updated: Matthew Revington 41 Sep 06 '11 at 09:04

Import peaklist

0 0 5k
answers votes views
Hi everybody! I have just started to work with TopSpin 3.1, though already faced a problem. I have an 15N-1H HSQC spectr...
Posted: elena 1 / Updated: Clemens Anklin 416 Sep 06 '11 at 11:54

Tuning probe failed after a dual probe was replaced with a BBI probe

2 0 4k
answers votes views
We generally use Dual to run 13C and BBI to run 2D. After changed the probe, the command "edhead" was used to set the pr...
Posted: Yaming Xu 1 / Updated: Paul 1 Aug 31 '11 at 14:02

NMRPipe: propagating resonance positions to multiple spectra

1 0 4k
answers votes views
Hello, Is it possible in NMRPipe to: Generate a peak table for a new spectrum using the resonance positions in an exi...
Updated: vvostri 11 Aug 23 '11 at 13:58

Help for Boron 11 NMR!

10 1 16688
answers votes views
I'm using a Bruker 300 NMR, equipped with a BBO probe, to do Boron 11 NMR. But I got no signal no matter what pulse leng...
Posted: Chemuri 11 / Updated: Jim Lin 1 Apr 14 '15 at 06:47

Odd 1D-ROESY Result

0 1 2k
answers votes views
Hello, I've been trying to assign peaks in a proton spectrum of a highly dynamic ring, namely 2-deutero-diselenane. Th...
Posted: K G 11 Aug 07 '11 at 16:08
607

questions without an accepted answer

Newest questions are shown first.

Tags

× 34
× 26
× 24
× 18
× 15
× 13
× 9
× 7
× 6
× 6
× 5
× 4
× 4
× 3
× 2
× 2
× 1
× 1
× 1
posts per page103050

powered by CNPROG