Tagged questions

Relaxation time of adenine H2

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Could anyone tell the reason why adenine h2 has a longer T1 and T2 than the other prontons in nucleic acid? It would be ...
Updated: yuan 1 Jan 13 '13 at 22:36

T2 relaxation (CPMG) measurement of 13C high resolution spectra

1 0 6k
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Hi all, my question is how to perform a T2 measurement of 13C liquid NMR spectra in BRUKER AVIII ? What sequence to use?...
Updated: TiagoB 5 Feb 19 '14 at 04:23

Choice of relaxation delay time (d1) in 2D experiments.

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Hi, Most people tend to use a lower d1 for 2D than for 1D. Help me understand why. Furthermore, supposing you know you...
Updated: gravatar 83 Mar 09 '15 at 02:21

Measuring T1 for a low concentration (1mM) compound in water.

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Hi, I'm trying to measure T1 for a compund at 1mM in water using t1ir. Seeing how my concentration is so low, phasing m...
Posted: gravatar 83 / Updated: Ulrich Haunz 210 Oct 23 '14 at 08:39

Relaxation rate of bulk (pure) water at high frequencies

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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

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...
Posted: Anne Baudouin 36 / Updated: Evgeny Fadeev 5771 Mar 16 '11 at 08:10

How to edit format of Variables in NMRPipe?

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Dear all, I would like to change the number of decimal place for the X and Y ppm values in nmrdraw (peak detection). The...
Posted: Jerry J 1 Aug 18 '15 at 14:37

Why is the T1 relaxation time of protons shorter than for other nuclei?

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So I think this could be asked in my oral exam. Why are the T1 relaxation times in NMR spectroscopy shorter than those o...
Posted: NMR Dummy 1 Jan 25 '17 at 09:56
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