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What does it mean when modelfree does not assign any model to a particular spin? Also, what should one do if more than h...
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Hello, we have a peptide where amide peaks are broad and there is no hint of observable coupling with HA protons (no dis...
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11562 |
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I'm gearing up for a project in which we're looking at the structure of a short peptide that should fold upon binding di...
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24022 |
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Hi everyone,
I was wondering whether anyone could help me to explain why the chemical shifts in my proton and carbon NM...
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1 |
16381 |
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I have a rather simple question - What is the acceptable difference in coupling constants between the anisotropic and is...
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11554 |
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Hello, posting this on behalf of my friend.
The goal is to set up a gaussian shaped pulse so that bandwidth is X Hertz...
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1 |
4k |
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This cis-cyclohexyl derivative with two big substitutes (A and B) may has two conformational isomers, 1 and 2. How to ...
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1 |
8k |
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Hello there.
After running an 1H-NMR experiment I observed the acetic acid-d4 solvent peaks at 11.54 and 21.16 ppm (off...
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Is it possible to use NMR for limit testing of trace impurities in pharmaceutical drug substances? What are the conside...
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16680 |
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We have an olefin, R1-CH=CH-R2 where proton resonances overlap. Is there a way to determine olefin isomer - E (trans) vs...
