13C quaternary centers in amino acids

2 0 2k
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 4k
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 2k
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 2k
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 6k
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 1k
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

varian-topspin conversion processing artifacts?

1 0 2k
answers votes views
I have been using topspin to process data recorded on a varian magnet, when processing a 13C-HSQC I noticed one of my pe...
Posted: Thomas Garner 81 / Updated: bernie o'hare 111 Aug 06 '11 at 10:22

1,n-ADEQUATE setup

2 1 4k
answers votes views
I need to measure the 4-bond coupling into a group of unassigned quaternary carbons. I would like to use the 1,n-ADEQUAT...
Posted: Bowling 11 / Updated: Hessen 1 Jan 31 '15 at 13:56

adjusting topshim parameters

2 1 5k
answers votes views
On our Avance III 500 we use Topshim quite successfully for any probe with a gradient coil. The only time we have a pro...
Posted: Kirk Marat 711 / Updated: bernie o'hare 111 Aug 14 '11 at 07:52

Varian Gemini 300 Transmitter Board Indicator Lights

1 0 2k
answers votes views
I am having problems with a Varian Gemini 300 console. During the troubleshooting process, I noticed that the number of...
Posted: nz402 1 / Updated: cal carpenter 11 Jul 23 '11 at 10:15
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