Tagged questions

simple stddiff parameters

1 0 9k
answers votes views
Hi, I'm working on a bruker avance 400 spectrometer and using topspin version 1.3 software. I want to get a std-nmr (sat...
Updated: nfromdicle 1 Jul 12 '14 at 05:56

Gradient settings in an experiment

2 0 6k
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how do we decide on power levels and lengths of purge gradients in a new experiment?...As for coherence selection, relat...
Updated: nmr2rmn 3 Aug 09 '13 at 14:58

Amplifier Error

1 0 3k
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Hi All, I am worikng with 500Mhz Bruker. Recently 3rd channel is installed in my institute when i run 3D HNCA experime...
Posted: saship21 21 / Updated: sekhar Talluri 621 Oct 21 '12 at 07:05

1,n-ADEQUATE setup

2 1 8k
answers votes views
I need to measure the 4-bond coupling into a group of unassigned quaternary carbons. I would like to use the 1,n-ADEQUAT...
Posted: Bowling 11 / Updated: Hessen 1 Jan 31 '15 at 13:56

Low resolution of pepitde samples

3 0 4k
answers votes views
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

Problem with both dispersed and absorbed peaks

1 1 5k
answers votes views
hi when i run homonuclear NOESY experiments in bruker 500MHz spectometer with d8 150ms(mw is 300).Though i am followi...
Updated: Ganesh 21 Apr 24 '11 at 23:21

same parameters but difference in phase why?

2 1 4k
answers votes views
hi, though this question seems to be easy for you but i am new for this software and to this field. Recently, i took sil...
Updated: Ganesh 21 Apr 24 '11 at 23:28

How do you port pulse sequences to different field strength?

2 0 16529
answers votes views
Hi, when you set up a pulse sequence at a different magnet field strength - starting with an existing set of parameters ...
Posted: Evgeny Fadeev 5771 / Updated: Kirk Marat 711 Aug 07 '10 at 09:07

How to set NOESY mixing time in intermediate tumbling regime

1 0 8k
answers votes views
I need to run noesy for a monomeric peptide of about 1.5kDa at 800 MHz 1H frequency. NOE peaks are weak at 100 ms mixing...
Posted: Evgeny Fadeev 5771 / Updated: sekhar Talluri 621 Feb 13 '10 at 12:00

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

2 1 9k
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

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