Tagged questions

help understanding varian command

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

log: Failed to find Z0 - low s/n

2 0 1k
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...
Posted: Ilya N 1 / Updated: Ulrich Haunz 210 Mar 09 '15 at 09:18

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

1 0 11576
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...
Updated: nmr2rmn 3 Mar 27 '13 at 02:12

NOE help, pulse shapes, pbox

1 0 2k
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...
Posted: CaymanDave 11 / Updated: Ulrich Haunz 210 Feb 21 '13 at 01:41

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

0 0 2k
answers votes views
Instrument is a Varian and it would be a long term consultancy/contract. Possibility for direct Hire. Please direct res...
Posted: Eric Celidonio 1 Jan 20 '12 at 15:45

Can anyone help me with Saturation Transfer NMR

2 1 3k
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...
Posted: njmagarian 11 / Updated: Justin Frank 1 Jun 29 '16 at 19:30

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)),...
Posted: Nikolay Boev 41 Sep 07 '11 at 06:07

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. ...
Updated: Frey 61 Feb 26 '11 at 22:24

processing varian data in topspin?

4 1 19036
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 ...
Posted: Thomas Garner 81 / Updated: surya 11 Feb 28 '11 at 06:28

2D Filtered NOESY/TOCSY on Varian Biopack

0 0 1k
answers votes views
I am attempting to run some filtered NOESY and TOCSY experiments using sequences in the Varian Biopack - CNfiltocsy and ...
Posted: Antonio Calabrese 1 / Updated: Evgeny Fadeev 5771 Dec 20 '10 at 09:42

Best pulse sequence for HSQC in Guanidine-HCl

3 1 6k
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...
Posted: vadim 23 / Updated: Pete Gierth 401 Oct 30 '10 at 06:29

Aromatic sidechain assignment pulse sequences for Varian?

3 0 3k
answers votes views
Hi, someone asked a similar question before, but I'd like to know: Are there readily available varian pulse sequences t...
Posted: Magnethead 42 / Updated: Dummy 31 Nov 19 '10 at 06:28

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

2 1 3k
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...
Updated: MOHAN 11 Sep 01 '10 at 18:51

How to process DOSY data in Mnova?

2 0 4k
answers votes views
Hi we have a DOSY dataset aquired using Doneshot.c sequence on a varian instrument. Will MNOVA process the dataset? Th...
Updated: Evgeny Fadeev 5771 Sep 09 '10 at 12:07

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

1 0 3k
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...
Posted: Evgeny Fadeev 5771 / Updated: georgeg 301 Aug 16 '10 at 09:52

Varian Biopack pulse sequences for intermolecular NOEs

1 1 4k
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...
Posted: acalab 21 / Updated: Evgeny Fadeev 5771 Aug 10 '10 at 16:52

Why this gradient shim map is jumpy at edges?

1 0 4k
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...
Posted: Evgeny Fadeev 5771 / Updated: Kirk Marat 711 Jul 03 '10 at 08:22

Why RF irradiation will damage amplifier?

3 1 14535
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...
Posted: Frey 61 / Updated: lbeezley 1 Mar 15 '11 at 08:37

How to create synthetic procpar files for VNMRJ?

2 2 5k
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...
Posted: j 131 / Updated: David Horita 31 Nov 09 '12 at 06:43

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

5 0 12989
answers votes views
Hello, I would like to find detailed technical info on the binary data storage formats for Varian and Bruker. Could anyo...
Posted: Evgeny Fadeev 5771 / Updated: arronlee 1 Jul 25 '14 at 00:00

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

1 0 5k
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 ...
Posted: Evgeny Fadeev 5771 / Updated: Clemens Anklin 416 Jun 06 '10 at 15:14

Varian data storage: Float vs INT ?

3 2 3k
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 ...
Posted: j 131 / Updated: Evgeny Fadeev 5771 Mar 04 '10 at 12:43

gNhsqc_IPAP RDC data processing

3 2 4k
answers votes views
Does anyone know how, or have a resource that can assist me in processing data collected from this experiment? Thanks. ...
Posted: Elio Cino 31 / Updated: Evgeny Fadeev 5771 Mar 04 '10 at 07:28

How to translate Bruker shaped pulse statements to Varian?

2 2 5k
answers votes views
I was wondering how to add a shaped-pulse to a standard fHSQC pulse program on a Varian? ...
Posted: dcapraro 21 / Updated: Evgeny Fadeev 5771 Mar 02 '10 at 08:15

NMR experiments to assign aromatic sidechains?

3 1 6k
answers votes views
Hello, may I ask this - NMR experiments/pulse sequences are available to assign aromatic sidechains - Phe, Tyr, Trp? We'...
Posted: anita 31 / Updated: roseyp 46 Feb 22 '11 at 09:38

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

2 1 4k
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...
Posted: Evgeny Fadeev 5771 / Updated: Jerry Hirschinger 199 Sep 28 '10 at 12:12

Reduced dimensionality experiments in BioPack

1 1 5k
answers votes views
could anyone suggest pulse sequences that are available in Varian's BioPack that can be readily run in reduced-dimension...
Posted: Magnethead 42 / Updated: David Leonen 1 Apr 11 '10 at 22:26

How to process gNhsqc_IPAP.c data with nmrPipe?

2 0 9k
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...
Updated: Evgeny Fadeev 5771 Mar 03 '10 at 13:11

Header for Varian fid file

3 1 7k
answers votes views
I have an fid file (for a 2D experiment) that I would like to process in vnmr. I am aware that an fid file requires a c...
Posted: KevinJD 16 / Updated: Evgeny Fadeev 5771 Jan 18 '10 at 11:25

Saturation Transfer Difference NMR with satxfer_dpfgse

1 2 6k
answers votes views
Can anybody provide parameter file for running 1 D STD saturation transfer difference experiment with DPFGSE sculpted so...
Posted: sns03003 26 / Updated: Evgeny Fadeev 5771 Feb 05 '10 at 08:21
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