Parameters for zgesfpgp 1d experiment (flipback watergate) on Bruker

1 0 5k
answers votes views
Hi , Does any one know how to set up the zgesfpgp 1d experiment (flipback water gate) on Bruker. I am looking for p29 du...
Posted: sri 71 / Updated: Clemens Anklin 416 Mar 03 '15 at 20:41

building chains of resonance groups from connectivities

0 0 2k
answers votes views
Greetings, Given a dictionary of connectivities of the following form: residue i -> possible residues i-1 : 54 -&g...
Posted: Thomas 1 Feb 07 '15 at 11:36

How do I perform a 2D C-13-C-13 spectrum simulation?

0 0 2k
answers votes views
I am new to NMR pipe and was wondering how to perform a carbon-13 carbon-13 simulation in NMR pipe? For example, what th...
Posted: epsaliba 1 Feb 06 '15 at 07:28

Can anyone point me towards a waterlogsy tutorial for bruker?

0 0 2k
answers votes views
Hello people, It's all in the title. ...
Posted: gravatar 83 Feb 02 '15 at 08:15

adequate NMR

0 0 1k
answers votes views
Hi, I am really confused about reading the adequate 1J(CC) results, Can anyone help me with that? What is the differenc...
Posted: Hessen 1 Jan 29 '15 at 14:57

ADC value, help!!!

1 0 3k
answers votes views
ADC value in Bruker 1T, please tell me how to get it? ...
Posted: Huong Nguyen 1 / Updated: Ulrich Haunz 210 Feb 09 '15 at 07:37

Measurement of very short T2

1 0 5k
answers votes views
Hello, I'm measuring T2 in paramagnetic materials. These values are very short (0.5-5 ms), and I have to use very short...
Posted: A K 1 / Updated: Jeffreyyyy 1 Feb 27 '15 at 12:48

how many percent peak in NH HSQC enough to solve structure?

1 0 5k
answers votes views
Hello everyone, I have a stupid question and often confuse me. We often meet peak missing in 15N H HSQC,but usually ho...
Posted: chengkun wang 1 / Updated: sekhar Talluri 621 Feb 14 '15 at 23:21

Predicting aquisition time needed depending on sample concentration

2 0 9k
answers votes views
Hi , is there a way of predicting aquisition time needed depending on sample concentration in order to get a decent spe...
Posted: gravatar 83 / Updated: clemistry 1 May 19 '15 at 14:36

bigger MAS-NMR spectrum as irradiation window

0 0 2k
answers votes views
Hi, I have a sample with a very very big CSA which is broader than my irradiation windows, so I have to acquire my dat...
Posted: Thiazole 11 Dec 16 '14 at 13:05

J-value command

2 0 4k
answers votes views
Hi I have a 500MHz BRUKER NMR. How I can access to J-value at COSY experiment? what's that command? ...
Posted: Saeed 1 / Updated: PQdotL 21 Dec 16 '14 at 16:12

problem with large dosy files

3 0 5k
answers votes views
Hello, I run DOSY expt successfully but my dosy files are very massive and they take up large amounts of disk space. Ho...
Updated: elham 3 Jan 16 '15 at 07:57

Topspin: usage of l0 and d0

2 0 8k
answers votes views
Dear all, In topspin, what's the initial value for l0, 0 or 1? what's the initial value for d0, 0 or in0? Thanks in ad...
Updated: Frey 61 Dec 12 '14 at 01:14

1H-15N CSP

0 0 3k
answers votes views
I have a basic question. Why or when should one use deviation from average chemical shift change rather than absolute va...
Posted: Mahavir Singh 1 Nov 27 '14 at 05:10

1H-15N HMBC of small molecules

1 0 4k
answers votes views
When I used the automatic peak picking function of Topspin for picking the cross peaks in a 1H-15N HMBC spectrum, two cr...
Updated: Bhanu 1 Nov 27 '14 at 20:23

Running a wet sequence

2 0 9k
answers votes views
Hi, I am trying to run a wet sequence but I'm having trouble getting good results on a sample with 90:10 water:methanol...
Posted: gravatar 83 / Updated: Pete Gierth 401 Dec 05 '14 at 10:35

coupling constants

3 0 5k
answers votes views
Hi, does anybody know 1H-79Br coupling constants? I found in literature only 13C-79Br coupling constants! Thank you, Mar...
Posted: gugica 1 / Updated: Arkadiusz Leniak 238 Dec 07 '14 at 02:28

What is the actual point of dummy scans?

3 0 24904
answers votes views
Hi, I was wondering why so many pulse programs use dummy scans. Correct me if I'm wrong but I think dummy scans are supp...
Posted: gravatar 83 / Updated: Pete Gierth 401 Dec 05 '14 at 10:44

Frequency of signal in the second dymension

0 0 4k
answers votes views
Let me consider a proton experiment done on a 500 MHz spectrometer. The signal coming from the sample has a frequency of...
Posted: PQdotL 21 / Updated: dstephenson 56 Dec 16 '14 at 06:27

Inverse FT of NUS data

3 0 6k
answers votes views
Does anyone know the way to create a full ser file from Bruker NUS processed data? I want to do this so that others (wi...
Posted: John Hollerton 96 / Updated: Pete Gierth 401 Dec 05 '14 at 11:19

BSMS error message

3 0 8k
answers votes views
Hi what is the HOLD LOCK message on BSMS key pad? How can I fix it? Thanks ...
Posted: elham 3 / Updated: Pete Gierth 401 Jan 22 '15 at 02:39

Weak NOE signals, serious t1 noise

5 0 10915
answers votes views
Since my university does not have a professional spectroscopist, I am a new learner of NMR, and I really have no one els...
Posted: Elvis 1 / Updated: RuudA 11 Nov 02 '14 at 07:22

Why so much spam?

3 3 5k
answers votes views
Hi, I really like this forum and I am harrowed to see it so spammed. We should find a way to end this(maybe more admins...
Posted: gravatar 83 / Updated: Ulrich Haunz 210 Oct 24 '14 at 07:09

19F 2D experiments

3 0 11959
answers votes views
Hi, I would like to run some 19F NOESY, and 19F-1H correlation experiments on a totally fluorinated sample (no H) with a...
Posted: AnneBaudouin 1 / Updated: RuudA 11 Nov 02 '14 at 07:44

NH---O hydrgen bond detection in N-(2-methoxyphenyl)benzamide

1 0 8k
answers votes views
I'd like to know if there are further NMR spectroscopic methods to detect NH---O hydrogen bond in N-(2-methoxyphenyl)ben...
Posted: Alessia 1 / Updated: Arkadiusz Leniak 238 Oct 24 '14 at 00:48

topshim error 84

1 0 5k
answers votes views
I tried to perform topshim on my AV-300 but it say : "BsmsRCBSlope - setting RCB ramp failed - Error 84:BSMSExcessive Co...
Posted: Bourdreux Flavien 1 / Updated: Kirk Marat 711 Oct 14 '14 at 14:28

Measuring T1 for a low concentration (1mM) compound in water.

1 0 8k
answers votes views
Hi, I'm trying to measure T1 for a compund at 1mM in water using t1ir. Seeing how my concentration is so low, phasing m...
Posted: gravatar 83 / Updated: Ulrich Haunz 210 Oct 23 '14 at 08:39

TOCSY of peptide in micelle

0 0 4k
answers votes views
Hi, I am a PhD student starting in NMR and I have two questions. I have a problem with a TOCSY and natural abundance ...
Updated: paul atray 1 Sep 17 '14 at 10:16

au for 1H and 31P with iexpno and ssleep for kinetics

1 0 5k
answers votes views
hi there. I want to establish an au with the following content: I want to measure 1H and 31P make ssleep (userdefined)...
Posted: charlez miller 1 / Updated: Ulrich Haunz 210 Sep 22 '14 at 06:25

setting Z0 on agilent nmr equipment

0 0 2k
answers votes views
I use an agilent 400 MHz equipment. Would like to know how to set the Z0 to around -3500 ...
Posted: olatomide fadare 1 Sep 11 '14 at 16:15
680

questions

Newest questions are shown first.

Tags

× 75
× 33
× 24
× 18
× 15
× 11
× 9
× 9
× 9
× 9
× 8
× 8
× 7
× 6
× 6
× 5
× 5
× 5
× 5
× 5
× 4
× 4
× 4
× 4
× 4
× 4
× 4
× 3
× 3
× 3
× 3
× 3
× 2
× 2
× 2
× 2
× 2
× 2
× 2
× 2
× 2
× 2
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
× 1
posts per page103050

powered by CNPROG