how to get a 1H-15N HMBC spectroscopy

4 0 5k
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hi All, I run a 1H-15N HMBC experiment on a Bruker AVANCE III 600 MHz spectrometer. But I fail to get the long- range ...
Kirk Marat 711 Dec 09 '13 at 07:48

Streaks in RDC Gel Spectrum

2 0 7k
answers votes views
Hello all, I have used stretched polyacrylamide gels successfully many times to collect RDC data for proteins. The las...
ChemMJW 99 Dec 06 '13 at 19:10

How to adjust the receiver gain in a deuterium oxide protein sample?

2 0 6k
answers votes views
I am running a 15N HSQC on a protein sample which is in a 100% deuterium oxide solvent. The command rga in TopSpin gives...
norsouth 3 Dec 02 '13 at 11:16

"Satellite" peaks in polypeptide HSQC

1 0 2k
answers votes views
In the decoupled HSQC of a polypetide I see two small peaks right and left to the delta arginine signal. These peaks hav...
Pete Gierth 401 Nov 29 '13 at 00:45

PHIP experiments

0 0 1k
answers votes views
Dear all! I am struggling with some density matrices in PHIP experiments. I understand why the density matrix before hyd...
Elina Lisitsin 1 Nov 28 '13 at 02:41

How to exactly set integral start and end in VNMRJ

0 0 1k
answers votes views
One can roughly set the integral start and end by left clicking in the spectra. Is there a command which let you type in...
de xiao 11 Nov 27 '13 at 07:58

31P signal at negative 74 ppm

2 0 5k
answers votes views
Hello All Does anyone have any ideas on what might give a phosphorus signal at negative 74 ppm (cf phosphoric acid)? T...
Craig 41 Nov 19 '13 at 05:11

why prefer using Nitrogen NMR than carbon and hydrogen NMR

1 0 2k
answers votes views
Hi, I am new in NMR. Can someone please answer me why prefer N-NMR but not C and H -NMR? Thanks ...
de xiao 11 Nov 18 '13 at 07:50

NMR of compounds containing iron

1 0 3k
answers votes views
Are there any problems with doing proton NMR of a compound containing iron? ...
Debbie 1 Nov 15 '13 at 10:43

How to convert inversion recovery data acquired using Spinsight

0 0 2k
answers votes views
Hi, I do not know how to convert a data set acquired using Spinsight into a format that can be read by Topspin. The d...
mike 1 Nov 14 '13 at 14:00
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