Tagged questions

13C quaternary centers in amino acids

2 0 4k
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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...
Matthew Revington 41 Sep 06 '11 at 09:04

About paragnetic impurities, inorganic salts, bad workups, etc. and their impact on small-molecule NMR spectra

2 1 17548
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I sometimes face the challenge of explaining to my organic chemists that, even if no impurity signals are visible in the...
djh 1 Aug 11 '11 at 03:19

Can correct TAUc be a sufficient evidence of the absence of aggregation?

2 0 5k
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Hello! I am studying the protein backbone dynamics using the standard set of NMR relaxation parameters (R1, R2, NOE). ...
Yoan Monneau 136 Jul 01 '11 at 03:52

Best Relaxation delay 3D NMR

1 1 5k
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Dear NMR WIKIers I prefer to measure best relaxation delay for 3D nmr experments by giving array ( like 0.5 , 0.6 , 0....
sri 71 May 24 '11 at 02:44

How to study polymer degradation by gamma and X-Ray radiation?

0 1 3k
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Hi, I was asked to study polyethylene degradated by gamma and Xrays. I planed to measure relaxations rates, but which on...
Evgeny Fadeev 5771 Mar 16 '11 at 08:10

Relaxation editing vr paramagnetic relaxation enhancement experiments - 13C CP-MAS NMR

1 1 6k
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I am a beginner in NMR spectroscopy and I would like to learn more about relaxation editing experiments vs PRE. A collea...
bmoret42 11 Jan 25 '11 at 12:29

Does anyone know something about paramagnetic relaxation enhancement (PRE)?

5 1 27436
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Does anyone know something about paramagnetic relaxation enhancement (PRE)? i would like to try this method on my cellul...
Bharathwaj 112 Oct 19 '10 at 08:48

Chemical Potential By NMR

3 2 4k
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New to NMR, but a coworker mentioned that it may be possible to obtain chemical potential for a solution (polymer in sol...
SankarampadiAravamudhan 91 Oct 13 '10 at 19:50
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