What is the purpose of acqu and acqus files in Bruker setup?

1 1 33391
answers votes views
Hello, What is the significance of the "s" in the end of the parameter file name in the Bruker experiment directories?...
Posted: Evgeny Fadeev 5771 / Updated: Clemens Anklin 416 Jul 23 '10 at 21:16

What software can copy peak assignments for 2D T1 and T2 relaxation rate data analysis?

9 1 13515
answers votes views
Hello, I'm currently processing a large amount of T1 and T2 spectra in NMRDraw. I've been looking for a way to copy my ...
Posted: ccantr10 11 / Updated: Marcos 21 Sep 09 '10 at 10:09

J-Coupling In Proton NMR

1 1 8k
answers votes views
I'm currently a college student taking Organic Chem and I've no idea how to figure out the J-coupling for H-NMR and neit...
Posted: Scott 11 / Updated: Evgeny Fadeev 5771 Aug 07 '10 at 11:37

What is the meaning of "no dba open" message in felix?

1 1 5k
answers votes views
hi, while i processing data(1-D r 2-D)in felix software,i frequently encountered by "no dba open"this problem, what d...
Posted: saship21 21 / Updated: Steve 41 Aug 07 '10 at 20:18

Varian Biopack pulse sequences for intermolecular NOEs

1 1 6k
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

Different proton Carrier frequencies

2 1 6k
answers votes views
Hi, I am a new member to this community. I would like to set up an experiment, in which I have to set up proton carrier ...
Posted: kmd 11 / Updated: Evgeny Fadeev 5771 Aug 19 '10 at 10:27

T2 relaxation dispersion with Bruker's sequence

1 1 9k
answers votes views
Hi there, I've been trying to use bruker's pseudo-3D sequence for meassuring T2 relaxation dispersion and have a problem...
Posted: Luciano A 11 / Updated: Yoan Monneau 136 May 28 '11 at 03:56

Where is the Commenting Tool?

1 1 4k
answers votes views
I don't see the tool to comment on an answer. Where is it and how is it used? ...
Posted: Jerry Hirschinger 199 / Updated: Evgeny Fadeev 5771 Aug 19 '10 at 09:43

saturation transfer method in NMR

2 1 10022
answers votes views
What is meant by saturation transfer method in NMR? How it is useful in giving the structure of blue copper proteins lik...
Posted: santhosh kumar 11 / Updated: Justin Frank 1 Jun 29 '16 at 19:26

COSY problem (cosydfesgpph pulse program)

1 1 5k
answers votes views
Hi, I am running COSY on a DNA:RNA hybrifd. However, I have got no cross-peaks at all even for CYT H5-H6? what do you ...
Posted: waleed 13 / Updated: Evgeny Fadeev 5771 Aug 31 '10 at 11:48

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

2 1 5k
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

Does anyone know something about paramagnetic relaxation enhancement (PRE)?

5 1 29988
answers votes views
Does anyone know something about paramagnetic relaxation enhancement (PRE)? i would like to try this method on my cellul...
Posted: Nico T 33 / Updated: Bharathwaj 112 Oct 19 '10 at 08:48

T1 & T2 of common materials

1 1 6k
answers votes views
Can anyone recommend a good site which lists T1 and T2 values for common materials? Thanks. ...
Posted: mnhoff 11 / Updated: Evgeny Fadeev 5771 Sep 11 '10 at 09:15

What is the easiest way to emulate the "array" command from VNMR in XWINNMR/TOPSPIN?

1 1 7k
answers votes views
What is the easiest way to emulate the "array" command from VNMR in XWINNMR/TOPSPIN? I recently moved from a lab using a...
Posted: cdr 41 / Updated: Ulrich Haunz 210 Oct 01 '10 at 01:07

How to convert Xplor distance restraint to Amber?

2 1 6k
answers votes views
Hi I am wondering if anyone knows a way to convert Xplor distance_restraint files to Amber format (7 or 8 column). Regar...
Posted: rparkesh 11 / Updated: Raman Parkesh 1 Oct 02 '10 at 10:16

Free program to calculate the theoretical second moment from crystal structure data?

1 1 5k
answers votes views
Does anyone know of a free, available program I can use to calculate the theoretical second moment from crystal structur...
Posted: Cortnie Vogelsberg 21 / Updated: SankarampadiAravamudhan 91 Oct 17 '10 at 01:38

Relating 13C and 1H chemical shifts for representation of 2D CSPs

2 1 7k
answers votes views
Hi, our lab uses the following relationship for the calculation of normalized CSPs from 1H-15N HSQC spectra: CSPnorm = (...
Posted: Martin Williams 11 / Updated: eiso 31 Oct 11 '10 at 03:33

Processing 1D FID of ethanol exported from spinworks

1 1 8k
answers votes views
Hello, This is probably a basic question, alas it has caused considerable turmoil, so at the risk of embarrassing mysel...
Posted: jeffery 13 / Updated: Kirk Marat 711 Oct 12 '10 at 20:11

How to process and analyze serial 1D data nmrPipe?

3 1 10857
answers votes views
Hi all, I am very new to nmrPipe. I want to achieve the following steps. It would be very kind if somebody helps. I hav...
Posted: RSnmr 11 / Updated: Evgeny Fadeev 5771 Oct 28 '10 at 09:44

Relaxation editing vr paramagnetic relaxation enhancement experiments - 13C CP-MAS NMR

1 1 7k
answers votes views
I am a beginner in NMR spectroscopy and I would like to learn more about relaxation editing experiments vs PRE. A collea...
Posted: Nico T 33 / Updated: bmoret42 11 Jan 25 '11 at 12:29

gradient shim map question

2 1 7k
answers votes views
Does anyone know for sure if a shim map is off center slightly left in a negative direction...and I assume it is a cente...
Updated: cal carpenter 11 Oct 26 '10 at 19:30

Best pulse sequence for HSQC in Guanidine-HCl

3 1 9k
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

Gradshimau

3 1 11264
answers votes views
I have a problem with gradshim (gradshimau) in topspin. The problem is that im getting spitting on solvent peak (and all...
Posted: jonis 11 / Updated: Pete Gierth 401 Oct 30 '10 at 08:34

MatNMR for a 2D Spectrum

2 1 6k
answers votes views
Hi, Does anyone have experience using MatNMR to produce a 2D spectrum? Or know of any examples? I'm trying to follow t...
Updated: newToNMR 33 Nov 04 '10 at 23:03

what is different between nmrpipe and topspin softwares

2 1 8k
answers votes views
hi, i am new user to nmrpipe i want to know how this nmrpipe differs with topspin 2.1 software because when i use same p...
Posted: saship21 21 / Updated: Ganesh 21 Apr 18 '11 at 03:51

NOESY peak signs

3 1 8k
answers votes views
I am new to NOESY, so I have a number of question about interpreting resulting 2D spectra. Mixing time is 300 ms, substa...
Posted: Dmitry Mainichev 31 / Updated: Scott Robson 156 Nov 02 '10 at 10:33

What's wrong with this spectrum? Bruker TPPI 2D TOCSY

1 1 7k
answers votes views
Hi, I think this is probably a basic problem but I'm a bit inexperienced with NMR. I'm just trying to process an ethan...
Posted: newToNMR 33 / Updated: Kirk Marat 711 Nov 15 '10 at 14:37

Bruker GRPDLY Parameter

2 1 12251
answers votes views
I am new to working with Bruker-style NMR data and am experiencing confusion with regard to Bruker's digital filtering. ...
Posted: ChemMJW 99 / Updated: Kirk Marat 711 Nov 15 '10 at 09:10

COSY NMR limitations in the OsH-CH-CH chain

1 1 28417
answers votes views
Is it correct that COSY (not long range COSY) in the OsH-CH-CH chain is demonstrating cross-peaks only for OsH-CH-CH and...
Posted: Dmitry Mainichev 31 / Updated: Evgeny Fadeev 5771 Nov 17 '10 at 16:14

two lines in acetone-d6

2 1 6k
answers votes views
We try to setup a used Bruker Avance 200 system. After frequency search we started to setup lock and shim file. Using D2...
Posted: Thomas Tr 11 / Updated: Evgeny Fadeev 5771 Nov 19 '10 at 12:23
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