Unanswered questions

Lock problem on Bruker Avance 600 MHz

0 0 315
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After a energy failure (cryoprobe started to warm up) I cannot establish lock (similar to http://qa.nmrwiki.org/question...
Posted: Fabio de Moraes 1 Oct 31 '16 at 05:58

NOE and strength of dipolar coupling

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Is NOE observed even if molecular motion averages out the dipolar coupling between two spins. ...
Posted: visi 1 / Updated: Kirk Marat 711 Oct 26 '16 at 15:01

qNMR calculation

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I am currently working on the qNMR concentration of compounds X in commercial samples: The following is my scenario I...
Posted: KONG KA LING 1 / Updated: Ulrich Haunz 210 Oct 13 '16 at 06:38

Vnmr spectrum file

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Hi, I am working on software for NMR assignment and one of the options to implement is import Varian spectra into our ap...
Posted: _mtd_ 1 / Updated: Ulrich Haunz 210 Sep 19 '16 at 06:59

unresolved signals

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Hi all We know that H NMR of paramagnetic sample or complex, is very broad with a bad signal to noise ratio. Do you...
Posted: satar 3 / Updated: Ulrich Haunz 210 Sep 19 '16 at 06:51

2D-NOESY for macromolecules

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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

What do -di and -verb do?

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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...
Posted: Lena 1 / Updated: Kirk Marat 711 Sep 06 '16 at 11:23

HNCO projection of the 1H-15N plane

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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...
Posted: Angus 1 / Updated: Kirk Marat 711 Sep 06 '16 at 11:30

Relaxation rate of bulk (pure) water at high frequencies

1 0 433
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Hi all, Does anyone know if NMR relaxation rates of bulk (pure) water has been measured experimentally at several hundr...
Posted: Gyro 1 / Updated: Jerry Hirschinger 199 Jul 21 '16 at 05:08

When to use 'BLKGRAD' and 'UNBLKGRAD' in a bruker pulse sequence ?

1 0 652
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I'm trying to modify some pulse sequence on bruker 400, and is confused with the use of 'blkgrad' and 'unblkgrad'; and ,...
Posted: Yuan yaping 1 / Updated: Kirk Marat 711 Jun 14 '16 at 11:44
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