[NMRpipe Yahoo group] Re: Signal-to-noise estimation
Re: Signal-to-noise estimation
Greetings, Dear Pipers, and Happy Winter Holidays, or Whatever ... There are lots of ways this could be done, depending on how rigorous you want to be, how
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12-25-2011 10:35 PM
[NMRpipe Yahoo group] Signal-to-noise estimation
Signal-to-noise estimation
Hello! I am new in "NMR world". I have some basic questions regarding the NMRPipe. I would like to know if there is a manner to estimate the signal-to-noise
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12-25-2011 10:35 PM
[Question from NMRWiki Q&A forum] poor signal to noise on 1H-15N heteronculear NOE
poor signal to noise on 1H-15N heteronculear NOE
I have recently attempted to run a 1H-15N heteronuclear NOE experiment in vnmrj (700 rt probe) using the standard sequence that comes with biopack, the signal to nose im getting compared to my standard HSQC is significantly reduced, is this normal? I do not recall this being the case when I ran this previously on a bruker 600 with RT probe? is this normal or does this suggest something is miss set? Also in the no NOE experiment I get very broad noise in the centre of my spectrum/water line.
regards
Tom
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11-01-2011 01:52 AM
[NMR paper] The influence of internuclear spatial distribution and instrument noise on the precis
The influence of internuclear spatial distribution and instrument noise on the precision of distances determined by solid state NMR of isotopically enriched proteins.
Related Articles The influence of internuclear spatial distribution and instrument noise on the precision of distances determined by solid state NMR of isotopically enriched proteins.
J Biomol NMR. 2003 Nov;27(3):235-59
Authors: Gehman JD, Paulson EK, Zilm KW
The relative merits of different isotopic enrichment strategies that might be used in solid state NMR protein structure...
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11-24-2010 09:16 PM
Signal enhancement in protein NMR using the spin-noise tuning optimum
Signal enhancement in protein NMR using the spin-noise tuning optimum
Abstract We have assessed the potential of an alternative probe tuning strategy based on the spin-noise response for application in common high-resolution multi-dimensional biomolecular NMR experiments with water signal suppression on aqueous and salty samples. The method requires the adjustment of the optimal tuning condition, which may be offset by several 100 kHz from the conventional tuning settings using the noise response of the water protons as an indicator. Although the radio frequency-pulse durations are...
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10-09-2010 03:03 AM
[NMR Geek blog] Fluorescence: A source of noise in NMR?
Fluorescence: A source of noise in NMR?
The other day I was reading a book “Experimental Pulse NMR: A Nuts and Bolt Approach” by Eiichi Fukushima and Stephen B W Roeder and I was encountered with a sentence which says,”Fluorescent lights generate noise which can be picked up in the spectrometer.” (para 1, page 13). I wonder if they are talking about
Full story can be found on the NMR geek blog