Absence of some signals on 1H and 13C spectra of polyaromatic carboximidate

3 0 4k
answers votes views
Hi, I have encountered a strange behaviour of some signals (they are absent) in a series of polycyclic aromatic carboxi...
Posted: Arkadiusz Leniak 238 / Updated: zablociak 21 Mar 23 '15 at 12:11

Why so much spam?

3 3 1k
answers votes views
Hi, I really like this forum and I am harrowed to see it so spammed. We should find a way to end this(maybe more admins...
Posted: gravatar 83 / Updated: Ulrich Haunz 210 Oct 24 '14 at 07:09

BSMS error message

3 0 2k
answers votes views
Hi what is the HOLD LOCK message on BSMS key pad? How can I fix it? Thanks ...
Posted: elham 3 / Updated: Pete Gierth 401 Jan 22 '15 at 02:39

Inverse FT of NUS data

3 0 2k
answers votes views
Does anyone know the way to create a full ser file from Bruker NUS processed data? I want to do this so that others (wi...
Posted: John Hollerton 96 / Updated: Pete Gierth 401 Dec 05 '14 at 11:19

19F 2D experiments

3 0 4k
answers votes views
Hi, I would like to run some 19F NOESY, and 19F-1H correlation experiments on a totally fluorinated sample (no H) with a...
Posted: AnneBaudouin 1 / Updated: RuudA 11 Nov 02 '14 at 07:44

What is the actual point of dummy scans?

3 0 7k
answers votes views
Hi, I was wondering why so many pulse programs use dummy scans. Correct me if I'm wrong but I think dummy scans are supp...
Posted: gravatar 83 / Updated: Pete Gierth 401 Dec 05 '14 at 10:44

coupling constants

3 0 1k
answers votes views
Hi, does anybody know 1H-79Br coupling constants? I found in literature only 13C-79Br coupling constants! Thank you, Mar...
Posted: gugica 1 / Updated: Arkadiusz Leniak 238 Dec 07 '14 at 02:28

Select a reasonable NOESY mixing time given MW, B, viscosity?

2 1 7k
answers votes views
Is there a formula that would suggest a reasonable starting value for the mixing time based on the molecular weight, mag...
Updated: Evgeny Fadeev 5771 Feb 12 '10 at 12:32

How to optimally choose a 1/4J 1H-15N delay for INEPT?

2 1 5k
answers votes views
Why is it often the case that when transferring magnetization from 1H to 15N, the 1/4J time is often a little less than ...
Posted: Scott Robson 156 / Updated: Evgeny Fadeev 5771 Apr 14 '10 at 16:33

finding sample data for practicing 2D 1H assignment

2 1 4k
answers votes views
as I have already started to assign a small peptide, I need sample data set for practicing 2d h1 assignment, could you p...
Posted: niloofar niknam 26 / Updated: jkurutz 131 Dec 15 '09 at 05:00
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