Everything You Know about Cholesterol Is Probably Wrong KQED (blog)
In a new study, published in the Journal of Lipid Research last month, researchers at the University of Pittsburgh used a method (called nuclear magnetic resonance spectroscopy) designed to measure the characteristics of lipoprotein particles as a ...
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Cholesterol Transporter Structure Decoded - Bioscience Technology
http://www.bionmr.com//t1.gstatic.com/images?q=tbn:ANd9GcRI20XoSMddDVB1_dEfHv5ijUOdV7lkVxkHjJnetiAILhajslDg3oXQbaVmOrHZhg1ZonUlnq8
Bioscience Technology
<img alt="" height="1" width="1" />
Cholesterol Transporter Structure Decoded
Bioscience Technology
Using nuclear magnetic resonance spectroscopy, two teams working with the Göttingen-based scientists Markus Zweckstetter and Stefan Becker have now shown the complex three-dimensional structure of the protein â??at workâ?? in atomic detail.
Cholesterol Transporter Structure Decoded - Bioscience Technology
nmrlearner
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03-22-2014 01:28 AM
Cholesterol transporter structure decoded - HealthCanal.com
<img alt="" height="1" width="1" />
Cholesterol transporter structure decoded
HealthCanal.com
Using nuclear magnetic resonance spectroscopy, two teams working with the Göttingen-based scientists Markus Zweckstetter and Stefan Becker have now shown the complex three-dimensional structure of the protein â??at workâ?? in atomic detail.
Cholesterol transporter structure decoded - HealthCanal.com
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nmrlearner
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03-21-2014 12:52 AM
[Question from NMRWiki Q&A forum] 2D 103Rh frequency wrong
2D 103Rh frequency wrong
I have run a 1H-103Rh HMQC on and found the chemical shift of the 103Rh to be -7023 ppm. The frequency of the 103Rh was first obtained by running a paropt on the "decp90" pulse program and changing O2 in order to decouple the 103Rh. When I found the frequency at which the 103Rh decouple, I used that value for O2 in the 2D 1H-103Rh HMQC. However, I am sure that this value of -7203 ppm is incorrect, since all the literature references to 103Rh NMR states that the chemical shift range for 103Rh is between -2000 and 10000 ppm. Also, is given in literature as...
nmrlearner
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08-01-2013 12:26 AM
[Question from NMRWiki Q&A forum] what went wrong?
what went wrong?
a query again?
I recorded an DQF on deuterated solid sample. The basic pulse programme taken from bruker, optimised the pulse and kept the proper short delay between the last two 90 pulses? phase cycling is same as mentioned in bruker? I got empty spectrum with very poor diagonal and no cross peaks?
what could possibly go wrong ? does these delays depend on higher magnetic field strengths? or pulse imperfections cause collapsed spectrum or empty spectrum?
the spectra i recorded on 700 MHz with 14 KHz MAS.
nmrlearner
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11-18-2011 06:51 PM
[Question from NMRWiki Q&A forum] incorrect processing of 2D HSQC in NMRPipe - what is wrong?
incorrect processing of 2D HSQC in NMRPipe - what is wrong?
i'm trying to process an HSQC by using standard scripts of NMRpipe, and get this:
<img src="http://qa.nmrwiki.org/upfiles/13022976745696182.png" width="50%" /img>
what is wrong in my processing? at the spectrometer the spectrum looked nice, so it's a matter of processing...
conversion:
nmrlearner
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04-09-2011 12:17 AM
[Question from NMRWiki Q&A forum] What's wrong with this spectrum? Bruker TPPI 2D TOCSY
What's wrong with this spectrum? Bruker TPPI 2D TOCSY
Hi,
I think this is probably a basic problem but I'm a bit inexperienced with NMR. I'm just trying to process an ethanol TOCSY spectrum from the biomolecular magnetic resonance data bank, but strange peaks are appearing at the very edge of the data.
The spectrum should look like this (processed in SpinWorks):
<img src="http://qa.nmrwiki.org/upfiles/12889441489353594.png" width="70%"</img>
nmrlearner
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11-05-2010 12:20 PM
[NMR paper] Effect of cholesterol on the polymorphism of dipalmitoylphosphatidylcholine/melittin
Effect of cholesterol on the polymorphism of dipalmitoylphosphatidylcholine/melittin complexes: an NMR study.
Related Articles Effect of cholesterol on the polymorphism of dipalmitoylphosphatidylcholine/melittin complexes: an NMR study.
Biochim Biophys Acta. 1993 Jul 4;1149(2):319-28
Authors: Monette M, Van Calsteren MR, Lafleur M
In order to get insights into the effects of cholesterol on protein activity, the lytic power of melittin on 1,2-dipalmitoyl-sn-glycero-3-phosphocholine (DPPC)/cholesterol mixtures was studied using solid-state...
nmrlearner
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08-22-2010 03:01 AM
[Stan NMR blog] Are Bruker and Jeol NMR data wrong?
Are Bruker and Jeol NMR data wrong?
Recent FID's acquired with Bruker and Jeol spectrometers exhibit an anomalous group delay artifact ...
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