Difference between revisions of "Hoesy.m"

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(sync with Spinach main f053e432: add decouple_f1 and rho0 parameters, literature refs, ideal-model note)
 
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{{DISPLAYTITLE:hoesy.m}} __NOTOC__
 
{{DISPLAYTITLE:hoesy.m}} __NOTOC__
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Phase-sensitive heteronuclear NOESY pulse sequence.
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Phase-sensitive heteronuclear NOESY pulse sequence from:
 +
 
 +
            https://doi.org/10.1021/ja00353a071
 +
            https://doi.org/10.1039/C8CP00911B
  
 
==Syntax==
 
==Syntax==
 +
  
 
     fid=hoesy(spin_system,parameters,H,R,K)
 
     fid=hoesy(spin_system,parameters,H,R,K)
  
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==Arguments==
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==Parameters==
  
 
     parameters.sweep    two sweep widths, Hz
 
     parameters.sweep    two sweep widths, Hz
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     parameters.spins    nuclei on which the sequence runs,
 
     parameters.spins    nuclei on which the sequence runs,
 
                           e.g. {'15N','13C'}
 
                           e.g. {'15N','13C'}
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 +
    parameters.decouple_f1 nuclei to decouple in F1, e.g.
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                            {'1H','13C'}
 
   
 
   
 
     parameters.tmix      mixing time, seconds
 
     parameters.tmix      mixing time, seconds
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 +
    parameters.rho0      initial state
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 +
    parameters.needs    should be set to {'rho_eq'}, this
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                          sequence needs the thermal equili-
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                          brium state
 
   
 
   
 
     H - Hamiltonian matrix, received from context function
 
     H - Hamiltonian matrix, received from context function
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[[File:hoesy_camphor.png]]
 
[[File:hoesy_camphor.png]]
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 +
==Notes==
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This is an ideal heteronuclear NOESY model. Gradient and diffusion attenuation, finite-pulse losses, and experimental normalisation are outside this pulse sequence function.
  
 
==See also==
 
==See also==
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[[noesy.m]], [[roesy.m]], [[relaxation.m]], [[hsqc.m]], [[hmqc.m]]
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[[noesy.m]], [[roesy.m]], [[relaxation.m]], [[hsqc.m]], [[hmqc.m]], [[clip_hsqc.m]], [[coloc.m]], [[cosy.m]], [[crazed.m]], [[ct_cosy.m]], [[ct_hsqc.m]], [[dept.m]], [[deptq.m]], [[dqf_cosy.m]], [[ecosy.m]], [[hetcor.m]], [[hmbc.m]], [[inadequate.m]], [[inadequate_2d.m]], [[inept.m]], [[inv_rec.m]], [[mqs.m]], [[mqs_refocus.m]], [[pansy_cosy.m]], [[pansy_triple.m]], [[sat_rec.m]], [[tocsy.m]], [[Built-in_experiments]]
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''Version 2.3, authors: [[Zak El-Machachi]], [[Ilya Kuprov]]''
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''Version 2.5, authors: [[Zak El-Machachi]], [[Ilya Kuprov]]''

Latest revision as of 06:48, 30 August 2026

Phase-sensitive heteronuclear NOESY pulse sequence from:

           https://doi.org/10.1021/ja00353a071
           https://doi.org/10.1039/C8CP00911B

Syntax

    fid=hoesy(spin_system,parameters,H,R,K)

Parameters

    parameters.sweep     two sweep widths, Hz

    parameters.npoints   number of FID points for both
                         dimensions

    parameters.spins     nuclei on which the sequence runs,
                         e.g. {'15N','13C'}

    parameters.decouple_f1 nuclei to decouple in F1, e.g.
                           {'1H','13C'}

    parameters.tmix      mixing time, seconds

    parameters.rho0      initial state

    parameters.needs     should be set to {'rho_eq'}, this
                         sequence needs the thermal equili-
                         brium state

    H - Hamiltonian matrix, received from context function

    R - relaxation superoperator, received from context function

    K - kinetics superoperator, received from context function

Outputs

    fid.cos,fid.sin - two components of the FID for F1 hyper-
                      complex processing

Examples

A HOESY simulation for camphor (examples/nmr_liquids/hoesy_camphor.m) appears below.

Hoesy camphor.png

Notes

This is an ideal heteronuclear NOESY model. Gradient and diffusion attenuation, finite-pulse losses, and experimental normalisation are outside this pulse sequence function.

See also

noesy.m, roesy.m, relaxation.m, hsqc.m, hmqc.m, clip_hsqc.m, coloc.m, cosy.m, crazed.m, ct_cosy.m, ct_hsqc.m, dept.m, deptq.m, dqf_cosy.m, ecosy.m, hetcor.m, hmbc.m, inadequate.m, inadequate_2d.m, inept.m, inv_rec.m, mqs.m, mqs_refocus.m, pansy_cosy.m, pansy_triple.m, sat_rec.m, tocsy.m, Built-in_experiments

Version 2.5, authors: Zak El-Machachi, Ilya Kuprov