Unanswered questions

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

3 0 5k
answers votes views
We do this trick with our 800 MHz Oxford Instruments-built magnet often to impress some folks: Remove the probe and plu...
Posted: Evgeny Fadeev 5771 / Updated: Jerry Hirschinger 199 Sep 28 '10 at 13:53

gNhsqc_IPAP RDC data processing

3 2 5k
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

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

What NMR experiments can be used to detect hydrogen bonds?

3 1 13452
answers votes views
Hello, what NMR experiments can detect hydrogen bonds directly? Is there anything that can work with non-labeled sample...
Updated: Evgeny Fadeev 5771 Mar 29 '10 at 15:43

How to fix error code 9 when running modelfree?

3 2 8k
answers votes views
Guys-has any one used fastMF program from Loria's group? I am getting an error message - "Error during input, file= 6mar...
Posted: Jeetender Chugh 31 / Updated: Daisuke Takahashi 1 Sep 08 '11 at 18:35

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

3 0 24624
answers votes views
Hello, I've started using PyMol for looking at the bundles of NMR structures. You can open files one-by-one, but it's ki...
Posted: Evgeny Fadeev 5771 / Updated: dummy2 1 Apr 05 '13 at 07:03

Limit Testing by NMR?

3 1 9k
answers votes views
Is it possible to use NMR for limit testing of trace impurities in pharmaceutical drug substances? What are the conside...
Posted: Chris Kirchner 11 / Updated: sekhar Talluri 621 May 23 '10 at 11:49

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

3 1 16680
answers votes views
We have an olefin, R1-CH=CH-R2 where proton resonances overlap. Is there a way to determine olefin isomer - E (trans) vs...
Posted: Evgeny Fadeev 5771 / Updated: Cleber Barreto 73 Jul 10 '10 at 08:07

Why RF irradiation will damage amplifier?

3 1 16726
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

Problem reading and transforming vendor data using C++/Qt

3 2 13500
answers votes views
Hi, I am a German chemistry Bachelor student (beginning my Master studies in October) and as a spare-time hobby I would...
Updated: Pascal Fricke 236 Aug 04 '10 at 00:16
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