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Recovery of bulk proton magnetization and sensitivity enhancement in ultrafast magic-angle spinning solid-state NMR
From The DNP-NMR Blog:
Recovery of bulk proton magnetization and sensitivity enhancement in ultrafast magic-angle spinning solid-state NMR
A large portion of the magnetization in a CP experiment remains unused after an experiment and different strategies exist to make better use of the proton magnetization. Here the authors show their results of testing 7 different cp schemes. Although not directly related to DNP these techniques are still very valuable to increase the sensitivity of an NMR experiment especially in combination with DNP.
nmrlearner
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03-30-2015 06:04 PM
[Question from NMRWiki Q&A forum] How to convert inversion recovery data acquired using Spinsight
How to convert inversion recovery data acquired using Spinsight
Hi,
I do not know how to convert a data set acquired using Spinsight into a format that can be read by Topspin. The data set is an inversion recovery data set (set of 1d FIDs with different relaxation (tau) delays so I think this is called a pseudo-2D data set). I know NMRPipe is probably the way to go, but I do not know where I can find any useful scripts or how to go about converting this dataset. Any advice is appreciated.
Mike.
nmrlearner
News from other NMR forums
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11-15-2013 12:34 AM
1H-15N HSQC, edited by a 1H inversion recovery and observed in the antiphase component (IR-HSQC-AP)
Could someone explain the experimental theory/basis behind 1H-15N inversion recovery filtered HSQC experiment observed in antiphase (IR-HSQC-AP)? I am still learning basic NMR theory, but would like to know about this particular experiment, which was used to detect paramagnetically broadened backbone resonances. Thanks.
Abstract
Biogenesis of iron–sulfur cluster proteins is a highly regulated process that requires complex protein machineries. In the cytosolic iron–sulfur protein assembly machinery, two human key proteins—NADPH-dependent diflavin oxidoreductase 1 (Ndor1) and...
talderson
NMR Questions and Answers
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09-23-2013 06:01 AM
quenched Bruker Avance 300 magnet recovery
Our Bruker Avance 300 quenched a few years ago and was sitting there with no helium inside. Now we need to get it up and running and I have to do magnet recovery myself. I have already purchase a power supply for this purpose. I need "installation of a NMR from beginning" or a manual about "how to recover quenched magnet" or any document or video which may help. My email is ag_oo7@yahoo.com.
thx
Agoo
NMR Questions and Answers
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09-09-2013 05:35 PM
[Question from NMRWiki Q&A forum] Locking in new solvent
Locking in new solvent
Hello,
I am trying to determine solution structure of a peptide in 50% trifluoroethanol(TFE) solution. I dissolved my peptide in 50% TFE-d3/50%H2O solution. When I enter "lock" on command table, I cannot find lock value on this solvent. (I am bruker 600 Hz NMR and using topspin 2.1 software). I tried to select TFE on the lock table, but the lock signal was wobbling too much and the line shape was not good.I tried to find lock value of 50% TFE on the internet, but I could not find. In this case, how should I do? I hope someone could me suggest any ideas about...
[Question from NMRWiki Q&A forum] T1 Recovery Law with matNMR
T1 Recovery Law with matNMR
Hi everybody,I can't figure out how to do this in matNMR: I've 32 echoes with different tao separating the pi/2 impulses. This 32 measurements shows an increasing peak which reach saturation.
I'd like to extract the value of T1 from my recovery law but I can't understand how to use the T1 fit option with this measurements.
ThanksPietro
recovery of solvent NMR
Linear Mode
