Tagged questions

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

1 0 370
answers votes views
Hello, I wanted to ask this in a while. Finally a sample arrived that shows this behavior and I made a screenshot (below...
Posted: Evgeny Fadeev 2571 / Updated: Joseph DiVerdi 136 Apr 15 at 17:23

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

1 1 348
answers votes views
Hello there. After running an 1H-NMR experiment I observed the acetic acid-d4 solvent peaks at 11.54 and 21.16 ppm (off...
Posted: BONA 11 / Updated: Evgeny Fadeev 2571 Apr 12 at 15:08

How to set up Gaussian pulse to satisfy desired bandwidth?

1 1 475
answers votes views
Hello, posting this on behalf of my friend. The goal is to set up a gaussian shaped pulse so that bandwidth is X Hertz...
Updated: Evgeny Fadeev 2571 Apr 02 at 13:15

How should molecule flexibility affect NOE distance restraint calibration?

1 0 446
answers votes views
How would you recommend to approach this problem - we have a peptide that has side-chain exposed to the solvent and it i...
Updated: Evgeny Fadeev 2571 Mar 13 at 18:48

Long BioPack calibration run time

2 2 365
answers votes views
I am running BioPack on a Varian INOVA 800MHz on a newly aquired 13C15N1H sample and I have come across an issue that I ...
Posted: cmoody 21 / Updated: Evgeny Fadeev 2571 Jan 21 at 16:05

Choice of method to calibrate decoupling pulse

1 1 594
answers votes views
Book by Timothy Claridge "High-Resolution NMR Techniques in Organic Chemistry" recommends calibrating homonuclear decoup...
Posted: Evgeny Fadeev 2571 / Updated: Kirk Marat 311 Jan 06 at 09:23

An accurate way to calibrate gradients?

1 0 1k
answers votes views
What is a good way to calibrate PFG? How do you prepare the most suitable sample for the calibration? ...
Posted: Evgeny Fadeev 2571 / Updated: Adolfo Botana 56 Jul 01 '09 at 09:35
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