Unanswered questions

Methanol-d in chloroform-d

2 0 7k
answers votes views
Hi, This is a question related to the question I posted earlier titled "H NMR integration". I tried adding one drop of ...
Updated: Davis Chen 11 Jun 13 '11 at 20:39

Low resolution of pepitde samples

3 0 5k
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Dear friends, I am now trying to record the NOESY spectrum of my 30 amino acids peptide on DRX600 with a TXI cryo probe...
Posted: Yun Wang 1 / Updated: Evgeny Fadeev 5771 Jun 07 '11 at 14:00

adiabatic decoupling

1 1 6k
answers votes views
Hi NMRwikiers, for measuring scalar couplings we use some HSQC pulse sequences modified for obtaining the coupling in F1...
Posted: ptrigomou 11 / Updated: ChemMJW 99 Jun 28 '11 at 12:50

software for 1D-2D spectra assignment for small molecules

2 1 6k
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Please advice good software for 1D and 2D spectra assignment and structure elucidation, for small organic molecules. I'm...
Posted: VVK 61 / Updated: Evgeny Fadeev 5771 May 23 '11 at 10:54

Downfield carbon paired with a upfield proton

4 1 6k
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Dear sirs and madams, I have a natural product whose two carbon resoances are appearing at 46 and 56 ppm but theirs prot...
Posted: Jonnala Kotesh Kumar 11 / Updated: nvgramosa 11 Oct 08 '11 at 09:08

Best Relaxation delay 3D NMR

1 1 6k
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Dear NMR WIKIers I prefer to measure best relaxation delay for 3D nmr experments by giving array ( like 0.5 , 0.6 , 0....
Updated: sri 71 May 24 '11 at 02:44

Aminoacid residue identification or assignment of protein from 3D NMR Experments

3 1 6k
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Dear NMR Wiki'ers I am identifying aminoacid residues or assignment of protein from following 3D NMR experments HNCA...
Posted: sri 71 / Updated: Justin Frank 1 Jun 29 '16 at 19:53

H NMR integraton

3 1 11920
answers votes views
Dear all: I just synthesized a polymer. The integrations in the high-chemical-shift regime are consistent with theoretic...
Posted: Davis Chen 11 / Updated: sekhar Talluri 621 Jun 02 '11 at 13:33

Learning pulse programming

1 1 5k
answers votes views
I'm a grad student with no prior experience in pulse programming. Currently I work in rodent MRI. I want to be able to...
Posted: seedy 11 / Updated: Yoan Monneau 136 May 14 '11 at 12:27

3DNMR CBCANH experment

5 1 8k
answers votes views
Dear NMR wiki ers Iam working on protein family which can form dimers (total 20kd size ) using 25mM TRIS , 100 mM KCL...
Updated: sri 71 Aug 25 '11 at 00:09
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