Unanswered questions

15N-NMR chemical shifts comparison

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I have a set of molecules with similar structure. The 1H-15N HMBC spectra of two of these molecules were taken in DMSO-d...
Posted: Bhanu 1 yesterday

shape pulse power

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can shape pulse power be in negative for example -1.98 for crp60comp.4 in dept-135 nmr experiment. ...
Posted: feroon 21 Dec 20 '17 at 09:51

13C-NMR with 31P coupling

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Hello, I am the first time confronted with a 13C-NMR, in which a coupling between the 13C and 31-P cores takes place. I ...
Posted: Sabine Sun 1 Oct 21 '17 at 13:32

19F or 31P dosy

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Hi, I have run 19F and 31P dosy using ledbpgg2s program from Bruker, I obtain good decreasing curves as expected, with u...
Posted: AnneBaudouin 1 Oct 17 '17 at 01:18

lock, gradient shimming and acquisition in vnmrj

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Dear all, I want to write a macro that run lock, gradient shimming and acquisition in VnmrJ. I tried two ways, but fail...
Updated: Zhang 1 Sep 24 '17 at 18:43

NMR saturation

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My doubts are about NMR saturation. Saturation is caused by a continued impulse and cause the equalization in spin popol...
Posted: Youlsea 1 Aug 29 '17 at 08:11

Nuclei with quadrupolar moment, quadrupolar interaction, 23Na MRI

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Hello! I'd like to understand the application of quadrupolar effects in MRI. I read different materials on this topic b...
Posted: Philipp Barrett 1 Apr 01 '17 at 13:01

NMR INTENSITY AND CONTACT TIME CP

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What is the shape of the graph between intensity and contact time for different spin rate in CP? ...
Posted: sreenath K 1 / Updated: Zhang 1 Sep 25 '17 at 21:36

dipolar coupling in nmr

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how can i understand the effect of dipolar coupling in cp spectrum? ...
Posted: sreenath K 1 Mar 23 '17 at 09:52

cp nmr graph for intensity vs contact time

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i got a sinusoidal graph for intensity vs contact time graph in CP.how can explain the theory behind this? ...
Posted: sreenath K 1 Mar 21 '17 at 22:06
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