Individually phase pseudo-2d DOSY spectra?

2 0 5k
answers votes views
Hello, I have a DOSY data set in TopSpin and I'd like to extract diffusion coefficients for two small peaks in the spec...
Posted: DBritt 1 / Updated: Ignacio Pérez-Victoria 1 Oct 29 '13 at 01:47

relaxation

2 0 5k
answers votes views
how T1 and T2 relaxation time depend on nmr signal? ...
Posted: shine a 1 / Updated: w101bdk 7 Oct 29 '13 at 07:39

hsqc referencing

2 0 4k
answers votes views
Hi! I need to know how to reference nitrogen 15 from proton in a foldel hsqc experiment...I don't know how to calculate ...
Posted: silvia castro 1 / Updated: sekhar Talluri 621 Nov 01 '13 at 17:46

Relative quantification (residual solvents)

2 0 33233
answers votes views
Hi All, I've been trying to get a clear answer to this question for a while now, but can't seem to get a definitive ...
Posted: organicadam 1 / Updated: John Hollerton 96 Dec 09 '13 at 09:37

31P signal at negative 74 ppm

2 0 7k
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...
Updated: Craig 41 Nov 19 '13 at 05:11

Streaks in RDC Gel Spectrum

2 0 8k
answers votes views
Hello all, I have used stretched polyacrylamide gels successfully many times to collect RDC data for proteins. The las...
Updated: ChemMJW 99 Dec 06 '13 at 19:10

How can I tell if and what kind of solvent suppression was used?

2 0 5k
answers votes views
I have some older 2D HSQC 1H-15N data that was run by a NMR tech. Is there a way I can tell what kind of solvent suppre...
Posted: BrianW 1 / Updated: uabnmr1 1 Feb 26 '14 at 07:11

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

2 0 7k
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...
Updated: norsouth 3 Dec 02 '13 at 11:16

How to calibrate pulse length for urine samples?

2 0 5k
answers votes views
I recently read an article about executing a WET sequence for water suppression in urine samples. The 90°excitation puls...
Updated: brighman 1 Dec 26 '13 at 18:10

spin lock 1H spectrum

2 0 4k
answers votes views
Please, if somebody wants to help me?! I need to get 1H spectrum with spin lock pulse on Bruker AV 600 instrument. Which...
Updated: gugica 1 Jan 17 '14 at 05:06
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