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Evgeny Fadeev

257

karma

Registered user
real name	Evgeny
member since	Jun 29 '09 at 15:01
last seen	6 hours ago
location	Irvine, California, USA
age	36 years old

I am manager of a Biomolecular Spectroscopy Facility at the University of California, Irvine.

Also I am the Principal Instigator of NMR Wiki dot org and of this very forum.

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69 Questions

1

Which Bruker HMBC program do you use?

hmbc bruker pulse-sequence

Jul 23 at 04:26 Tim Claridge 21

What does ph2:r statement do in Bruker pulse programs

bruker pulse-sequence

Jul 16 at 07:35 Ilango 151

How to determine E vz Z olefin isomer when proton resonances orverlap?

organic-chemistry olefin isomer

Jul 10 at 08:07 Cleber Barreto 63

What is the definition of term Saturation and what are ways to achieve that state?

saturation concept

Apr 06 at 20:44 Joseph DiVerdi 136

How to set up Gaussian pulse to satisfy desired bandwidth?

shaped-pulse calibration selective saturation

Apr 02 at 13:15 Evgeny Fadeev 257●1

Is there a way to measure scalar coupling when lines are broad?

scalar-coupling

Mar 16 at 14:59 jkurutz 71

How do you find incorrectly assigned NOE restraints?

nmr structure distance-restraint

Mar 02 at 09:09 Evgeny Fadeev 257●1

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

noesy experiment-setup

Feb 12 at 12:32 Evgeny Fadeev 257●1

What is radiation damping?

learning signal-detection radiation-damping probe

Feb 08 at 05:47 Kirk Marat 311

2

A puzzle about NMRPipe COADD with -time option.

nmrpipe data-processing software

Jan 15 at 16:49 Evgeny Fadeev 257●1

Choice of method to calibrate decoupling pulse

calibration decoupling

Jan 06 at 09:23 Kirk Marat 311

When to label peptides and proteins and when not?

protein peptide isotope sample-preparation

6 hours ago Evgeny Fadeev 257●1

How to set up 15N direct detection on UnityInova?

varian hardware unity-inova 15N

8 hours ago Andrew Fowler 51

How do you port pulse sequences to different field strength?

pulse-sequence experiment-setup

2 days ago Evgeny Fadeev 257●1

Are hardcoded values in bruker pulse sequences overridable?

bruker pulse-programming

2 days ago Clemens Anklin 156

Which are better methods of water suppression at higher salt concentrations?

water-suppression salt liquids-nmr

Jul 26 at 09:26 Evgeny Fadeev 257●1

What has been done with direct detection of Deuterium?

deuterium

Jul 25 at 14:49 Evgeny Fadeev 257●1

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

bruker

Jul 23 at 21:16 Clemens Anklin 156

What is your test for the feasibility of protein structure determination?

protein sensitivity data-quality

Jul 21 at 12:35 Ilango 151

What is the more effective method of water suppression for NOESY?

noesy solvent-suppression water-suppression

Jul 19 at 08:53 georgeg 136

What does prosol relations statement do in Bruker pulse program code?

bruker pulse-sequence prosol lcnmr

Jul 16 at 11:18 Ilango 151

Why is water suppression is harder to achieve in salty samples?

water-suppression salt

Jul 11 at 02:44 sekhar Talluri 301

Is there a way to reduce on-carrier solvent artifact in States-TPPI?

solvent-suppression states-tppi water-suppression

Jul 10 at 19:00 sekhar Talluri 301

Why this gradient shim map is jumpy at edges?

gradient-shimming shimming pfg varian gmapsys

Jul 03 at 08:22 Kirk Marat 311

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

varian states-tppi data-processing nmrpipe

Jun 06 at 15:14 Clemens Anklin 156

Can adamantane condense in a rotor of a solids probe?

solid-state rotor stator

May 31 at 06:25 Joseph DiVerdi 136

How to make single page plots of arbitrary size in SPARKY?

sparky data-presentation

May 27 at 13:46 Evgeny Fadeev 257●1

Is it safe to do levitation demo with superconducting NMR magnets?

superconductivity demonstrations

May 26 at 03:56 jkurutz 71

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

data-format varian bruker

May 25 at 10:44 Evgeny Fadeev 257●1

Tool to extract NMR data in XY text file format?

data-manipulation software

May 17 at 17:14 kiscs kiscs 21

How to best correlate Deuterium with other nuclei by NMR?

deuterium nmr

May 17 at 16:43 kiscs kiscs 21

How to configure vnmr to save postscript files

vnmr data-manipulation postscript

May 13 at 01:28 Gareth Morris 21

How to remove baseline DC offset in Bruker EMX EPR spectra?

epr hardware

May 12 at 11:55 Alex Blumenfeld 11

How to determine physical orientation of X and Y shims?

shims hardware

Apr 29 at 09:12 Carl Gregory 26

How to assign (perturbed) resonances when structure is known?

structure resonance-assignment bio-molecules protein

Apr 25 at 01:17 Aleksandr Yakimov 11

Using probe that started losing B1 strength or has longer 90 degree pulse

hardware probe arcing

Apr 19 at 18:07 Joseph DiVerdi 136

How to explain binary-like pattern in the nutation curve in a simple 90 degree pulse calibration experiment?

calibration nutation pulse

Apr 15 at 17:23 Joseph DiVerdi 136

How to set up EPR measurement at elevated temperatures?

epr variable-temperature hardware

Apr 14 at 16:28 Evgeny Fadeev 257●1

How to open multiple pdb files with PyMol - all at once?

pymol structure-ensemble software

Apr 07 at 13:00 Andrew Fowler 51

Is there a tool to manage NOE and other restraint lists for the structure calculations?

software distance-restraint nih-xplor structure wanted

Apr 02 at 05:45 Ilango 151

Is value of default channel power ignored in Bruker systems for the shaped pulses?

bruker shaped-pulse

Mar 30 at 19:11 Tony Bielecki 26

What NMR experiments can be used to detect hydrogen bonds?

hydrogen-bond nmr

Mar 29 at 15:43 Evgeny Fadeev 257●1

How do you determine error on the peak position?

peak-picking data-analysis software

Mar 14 at 08:46 sekhar Talluri 301

How should molecule flexibility affect NOE distance restraint calibration?

noesy calibration distance-restraint dynamics

Mar 13 at 18:48 Evgeny Fadeev 257●1

What are the biggest differences in solving NMR structures of DNA or RNA vs. proteins?

structure nucleic-acid protein

Mar 08 at 09:45 Evgeny Fadeev 257●1

How to process gNhsqc_IPAP.c data with nmrPipe?

nmrpipe interleaved-data varian data-processing software

Mar 03 at 13:11 Evgeny Fadeev 257●1

How do you use PyMol to visualize structure bundles and related MR data?

pymol structure visualization software

Mar 02 at 12:29 Evgeny Fadeev 257●1

Are there alternatives to MOLMOL for visualization of NMR structure ensemebles?

molmol structure visualization software

Mar 02 at 08:05 Evgeny Fadeev 257●1

How would you compare solving NMR structure of a smaller peptide vs that of globular protein?

peptide structure nmr liquids

Feb 27 at 10:23 Evgeny Fadeev 257●1

Anti-diagonal artefact in DQF COSY (Varian dqcosy.c)

varian pulse-sequence dqf-cosy liquids-nmr

Feb 26 at 08:32 Evgeny Fadeev 257●1

Is it possible to run nmrPipe on Microsoft Windows?

nmrpipe software microsoft-windows

Feb 26 at 04:54 uab_nmr 46

What software can do relaxation matrix analysis of NOE?

software relaxation-matrix simulation noesy

Feb 13 at 12:43 sekhar Talluri 301

How to set NOESY mixing time in intermediate tumbling regime

noesy experiment-setup

Feb 13 at 12:00 sekhar Talluri 301

Is it possible to record EPR in THF (tetrahydrofuran) at -78C ?

epr tetrahydrofuran bruker

Feb 12 at 15:52 Evgeny Fadeev 257●1

How do modern pulse sequences battle radiation damping?

pulse-sequence radiation-damping

Feb 11 at 10:00 sekhar Talluri 301

How well should one shim for solution Bio-NMR?

lineshape shimming performance

Feb 11 at 09:01 sekhar Talluri 301

How to display NMR structure of molecule with non-standard residues?

software molecular-graphics structure molmol

Feb 02 at 08:59 Evgeny Fadeev 257●1

Please suggest experiments that push the power limits of NMR probes

probe hardware performance arcing

Jan 31 at 14:05 Kirk Marat 311

1

Absorption of RF energy quantum and change of the nucleus spin state

theory learning quantum-mechanics

Jan 26 at 13:42 Evgeny Fadeev 257●1

1

How to set up wet4 parameters in vnmr (wetgCOSY, for example)?

varian water-suppression wet liquids-nmr

Jan 22 at 12:26 Evgeny Fadeev 257●1

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

pfg hardware varian

Jan 15 at 11:47 Kirk Marat 311

How to use network analyzer or oscilloscope to tune and match NMR probe?

hardware probe frequency-analyzer probe-tune-match

Jan 14 at 11:51 Kirk Marat 311

1

Optimal sample length with Shigemi tubes.

nmr-tube sample-preparation

Dec 16 '09 at 12:53 Adolfo Botana 56

Software to create shaped pulse files from mathematical equation?

shaped-pulse software

Dec 10 '09 at 13:47 georgeg 136

vnmr shapelib and wavelib directories - why there are two?

vnmr varian

Dec 10 '09 at 13:39 georgeg 136

Natrual line-width of 1H, 13C, 15N, 31P nuclei in biomolecules.

line-width bio-molecules physics

Nov 26 '09 at 12:01 Evgeny Fadeev 257●1

1

Diffusion constant range measurable by NMR?

diffusion pfg

Nov 02 '09 at 07:31 Adolfo Botana 56

How do you prepare images for poster size prints of NMR spectra?

data-presentation

Jul 08 '09 at 09:42 krestenb 16

1

An accurate way to calibrate gradients?

pfg calibration

Jul 01 '09 at 09:35 Adolfo Botana 56

39 Answers

Setting up J-HMBC experiment (hmbcetgpjcl2nd) (3 comments)

Is there software to draw NMR pulse sequences? (one comment)

Why RF irradiation will damage amplifier? (one comment)

How to set up Gaussian pulse to satisfy desired bandwidth?

Where can I find information about the basics of Solid State NMR Pulse Sequences?

Please suggest model proteins and peptides for NMR

finding sample data for practicing 2D 1H assignment

MODULE for RDC

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

benefits of higher field strength/ cryoprobe

Aromatic shift or Hydrogen bond what are max and typical values

Will intermediate exchange give poor half filtered NOE

Looking for sample spectra....

How does pipe estimates Haight and DHeight?

Chemical shift and spin rate

Why chiral(-*C-)centre attached Ethylene(-CH2-)group splits into two separate protons(or)peaks ?

Limit Testing by NMR? (one comment)

Why are my acetic acid-d4 solvent peaks off from the expected ppm value? (2 comments)

Are there ways to explain magnetic-field dependent chemical shift? (one comment)

Software to model a 9-mer peptide that binds divalent metals and may oligomerize?

Is there a script that converts Sparky .list files to XPLOR input format?

How do you calculate the % or degree of acrylation of a polymer using integrated NMR peaks?

How to fix error code 9 when running modelfree? (2 comments)

Are there tools that automate obtaining RDC values and accuracy from NMR data? (3 comments)

Varian data storage: Float vs INT ? (2 comments)

gNhsqc_IPAP RDC data processing

How do you find incorrectly assigned NOE restraints? (one comment)

How to translate Bruker shaped pulse statements to Varian?

Anti-diagonal artefact in DQF COSY (Varian dqcosy.c)

How to display NMR structure of molecule with non-standard residues?

What is the correct way to label a multiplet?

Long BioPack calibration run time

1H-NMR-spektrum for CAS: 1792-81-0 HEEEELP

Helium recovery system

NMR of proteins

Saturation Transfer Difference NMR with satxfer_dpfgse

Software to calculate chemical exchange lineshape

Magnetic resonance energy units

useful commands in sparky

207 Votes

207

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50 Tags

software × 20
varian × 15
bruker × 9
pulse-sequence × 10
hardware × 8
protein × 6
structure × 9
data-processing × 4
calibration × 7
nmrpipe × 6

learning × 5
nmr × 5
noesy × 6
peptide × 4
shaped-pulse × 4
probe × 4
rdc × 4
water-suppression × 5
data-format × 3
data-presentation × 3

distance-restraint × 3
experiment-setup × 4
liquids-nmr × 4
pfg × 4
solid-state × 2
dynamics × 2
epr × 3
lineshape × 3
nih-xplor × 2
organic-chemistry × 2

peak-picking × 3
saturation-transfer × 1
scalar-coupling × 2
sparky × 3
vnmr × 2
analysis × 1
arcing × 2
aromatic × 1
bio-molecules × 2
biopack × 1

chemical-exchange × 2
complex × 1
data-analysis × 2
data-manipulation × 2
deuterium × 2
error × 1
homework × 2
hydrogen-bond × 2
modelfree × 1
molmol × 2

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