Tagged questions

help understanding varian command

2 0 4k
answers votes views
can someone4 explain how the tssub command works. For example, for phi4[1] = {1} ; settable(t4, 1, phi4) ; what does...
Zhang 1 Sep 27 '17 at 03:23

Can anyone help me with Saturation Transfer NMR

2 1 5k
answers votes views
Hi I am working on a Varian 500MHz NMR. I am attempting to use the pulse sequence satxfer1D to measure the rate constant...
Justin Frank 1 Jun 29 '16 at 19:30

log: Failed to find Z0 - low s/n

2 0 4k
answers votes views
Hi, everybody! I met a problem on Varian 400 MR: DMSO samples don't lock by "find Z0" button, but I can find lock signal...
Ulrich Haunz 210 Mar 09 '15 at 09:18

Where to find technical information on Varian and Bruker data storage formats?

5 0 16824
answers votes views
Hello, I would like to find detailed technical info on the binary data storage formats for Varian and Bruker. Could anyo...
arronlee 1 Jul 25 '14 at 00:00

Varian FIDs ordering: Inner and outer loop in the sequence(Rance-Kay & States)?

1 0 13452
answers votes views
Dear all, I am new to NMR and I have difficulty understanding the ordering of FIDs, e.g. if an experiment uses both Ran...
nmr2rmn 3 Mar 27 '13 at 02:12

NOE help, pulse shapes, pbox

1 0 4k
answers votes views
Ok, let's face it. I don't know what I'm doing. I'm a separations chemist running our NMR. sigh. Anyway, I have been co...
Ulrich Haunz 210 Feb 21 '13 at 01:41

How to create synthetic procpar files for VNMRJ?

2 2 7k
answers votes views
Hi guys : Im trying to make a procpar for an FID, I know most of the parameters of importance, and have the schema of th...
David Horita 31 Nov 09 '12 at 06:43

Anyone interested in consulting/contracting for a Nucleic Acid/Oligonucleotide NMR project in the Boston Area?

0 0 4k
answers votes views
Instrument is a Varian and it would be a long term consultancy/contract. Possibility for direct Hire. Please direct res...
Eric Celidonio 1 Jan 20 '12 at 15:45

NOESY+WET 2D artifacts

0 0 2k
answers votes views
When i run 2d noesy with wet suppression (Hypercomplex with phase=1,2, nt=32, so phasecycle errors should be excluded)),...
Nikolay Boev 41 Sep 07 '11 at 06:07

Why RF irradiation will damage amplifier?

3 1 16766
answers votes views
Here our 1H amplifier of NMR spectrometer is damaged twice for long time or high power RF irradiation. Why the duty cyc...
lbeezley 1 Mar 15 '11 at 08:37

processing varian data in topspin?

4 1 22561
answers votes views
Hi I have recently moved to a lab which has a varian magnet, in the past I have only used brukers. The people here use ...
surya 11 Feb 28 '11 at 06:28

Problems about VnmrJ 2.3A(3. fid display style)

0 0 2k
answers votes views
How can I change the line style of the spectrum or fid in viewports? The line of spectrum seems too narrow. ...
Frey 61 Feb 26 '11 at 22:24

NMR experiments to assign aromatic sidechains?

3 1 9k
answers votes views
Hello, may I ask this - NMR experiments/pulse sequences are available to assign aromatic sidechains - Phe, Tyr, Trp? We'...
roseyp 46 Feb 22 '11 at 09:38

2D Filtered NOESY/TOCSY on Varian Biopack

0 0 2k
answers votes views
I am attempting to run some filtered NOESY and TOCSY experiments using sequences in the Varian Biopack - CNfiltocsy and ...
Evgeny Fadeev 5771 Dec 20 '10 at 09:42

Aromatic sidechain assignment pulse sequences for Varian?

3 0 5k
answers votes views
Hi, someone asked a similar question before, but I'd like to know: Are there readily available varian pulse sequences t...
Dummy 31 Nov 19 '10 at 06:28

Best pulse sequence for HSQC in Guanidine-HCl

3 1 8k
answers votes views
Hello, I would like to acquire an HSQC spectrum of an 15N-labeled 12 kDa protein unfolding (over the course of hours) i...
Pete Gierth 401 Oct 30 '10 at 06:29

What may cause lock level depend on pfgon setting in vnmr?

2 1 5k
answers votes views
Hello, I've been working through the probe performance tests and noticed that when I change pfgon='yyy' to pfgon='nyn' l...
Jerry Hirschinger 199 Sep 28 '10 at 12:12

How to process DOSY data in Mnova?

2 0 6k
answers votes views
Hi we have a DOSY dataset aquired using Doneshot.c sequence on a varian instrument. Will MNOVA process the dataset? Th...
Evgeny Fadeev 5771 Sep 09 '10 at 12:07

How to run 2D ROCSA spectrum only with imaginary on Varian?

2 1 4k
answers votes views
Hi this is Veera Mohan, I have a doubt about setting an experiment, that is I need to run ROCSA solid state nmr experim...
MOHAN 11 Sep 01 '10 at 18:51

Vnmr: What to do when explib command does not work?

1 0 4k
answers votes views
Hello, in one of accounts on our system explib command does not work but works fine in other accounts. explib lists exp...
georgeg 301 Aug 16 '10 at 09:52

Varian Biopack pulse sequences for intermolecular NOEs

1 1 5k
answers votes views
Hi All, I'm trying to set up some experiments to determine intermolecular NOEs in a peptide:protein complex. At the mom...
Evgeny Fadeev 5771 Aug 10 '10 at 16:52

How to set up 15N direct detection on UnityInova?

3 0 8k
answers votes views
Has anyone recorded directly detected 15N spectra on UnityInova? We have a triple resonance HCN probe. The sample I've u...
Andrew Fowler 96 Jul 30 '10 at 06:01

Why this gradient shim map is jumpy at edges?

1 0 6k
answers votes views
Hello, I've been trying to create a gradient shim map (shown in figure below) on a standard 5 mM tube on D2O (10% D2O/H2...
Kirk Marat 711 Jul 03 '10 at 08:22

NMRPipe: Why Varian States-TPPI NMR data is to be processed with -yMode Complex?

1 0 8k
answers votes views
Hello, I've started using Varian instrument at UCI two years ago and I use nmrPipe to process the data. This one thing ...
Clemens Anklin 416 Jun 06 '10 at 15:14

1H-31P Hetcore with Varian inova 500, How can it be possible?

4 2 8k
answers votes views
I use a varian inova 500 NMR machine. it has vnmrj 2.1B software. An auto-x pfg 500 Mhz probe and auto tuning unit also....
Ulrich Haunz 210 Apr 27 '10 at 00:34

Reduced dimensionality experiments in BioPack

1 1 6k
answers votes views
could anyone suggest pulse sequences that are available in Varian's BioPack that can be readily run in reduced-dimension...
David Leonen 1 Apr 11 '10 at 22:26

Varian data storage: Float vs INT ?

3 2 5k
answers votes views
Hi Guys, I noticed that the Varian file format has a bit in the status code (a short value in the 32 byte header) which ...
Evgeny Fadeev 5771 Mar 04 '10 at 12:43

gNhsqc_IPAP RDC data processing

3 2 6k
answers votes views
Does anyone know how, or have a resource that can assist me in processing data collected from this experiment? Thanks. ...
Evgeny Fadeev 5771 Mar 04 '10 at 07:28

How to process gNhsqc_IPAP.c data with nmrPipe?

2 0 12801
answers votes views
Hello, I know that this problem has been discussed a number of times on the nmrPipe newsgroup and there are some helpfu...
Evgeny Fadeev 5771 Mar 03 '10 at 13:11

How to translate Bruker shaped pulse statements to Varian?

2 2 7k
answers votes views
I was wondering how to add a shaped-pulse to a standard fHSQC pulse program on a Varian? ...
Evgeny Fadeev 5771 Mar 02 '10 at 08:15
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