Difference between revisions of "M61"

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The Meiboom 1961 2-site on-resonance fast exchange relaxation dispersion model for [[R1rho-type data]].  This model is labelled as '''M61''' in relax.
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The Meiboom 1961 2-site on-resonance fast exchange relaxation dispersion model for [[R1rho-type data]].  This model is labelled as '''M61''' in [[Relaxation dispersion citation for relax|relax]].
  
 
== Equation ==
 
== Equation ==
 
<math>
 
<math>
\mathrm{R}_{1\rho}= \mathrm{R}_1\cos^2\theta + \left( \mathrm{R}_{1\rho}{´} + \frac{\Phi_\textrm{ex} \textrm{k}_\textrm{ex}}{\textrm{k}_\textrm{ex}^2 + \omega_\textrm{e}^2} \right)
+
\mathrm{R}_{1\rho}= \mathrm{R}_{1\rho}{´} + \frac{\Phi_\textrm{ex} \textrm{k}_\textrm{ex}}{\textrm{k}_\textrm{ex}^2 + \omega_\textrm{e}^2}
 
</math>
 
</math>
  
 
== Parameters ==
 
== Parameters ==
  
The M61 model has the parameters {$R_{1\rho}'$, $...$, $\Phi_{ex}$, $k_{ex}$}.
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The M61 model has the parameters {{{:R1rhoprime}}, ..., {{:Phiex}}, {{:kex}}}.
  
 
== Reference ==
 
== Reference ==
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== Links ==
 
== Links ==
  
The implementation of the M61 model in relax can be seen in the:
+
The [[Relaxation dispersion citation for relax|implementation of the M61 model in relax]] can be seen in the:
* [http://www.nmr-relax.com/manual/M61_2_site_fast_exchange_R1_model.html relax manual],  
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* [http://www.nmr-relax.com/manual/The_M61_2_site_fast_exchange_R1_rho_model.html relax manual],  
 
* [http://www.nmr-relax.com/api/3.1/lib.dispersion.m61-module.html API documentation],
 
* [http://www.nmr-relax.com/api/3.1/lib.dispersion.m61-module.html API documentation],
 
* [http://www.nmr-relax.com/analyses/relaxation_dispersion.html#M61 relaxation dispersion page of the relax website].
 
* [http://www.nmr-relax.com/analyses/relaxation_dispersion.html#M61 relaxation dispersion page of the relax website].
  
 
== See also ==
 
== See also ==
[[Category:Relaxation_dispersion]]
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[[Category:Models]]
 +
[[Category:Dispersion models]]
 +
[[Category:Relaxation_dispersion analysis]]

Latest revision as of 13:29, 15 November 2015

The Meiboom 1961 2-site on-resonance fast exchange relaxation dispersion model for R1rho-type data. This model is labelled as M61 in relax.

Equation

[math] \mathrm{R}_{1\rho}= \mathrm{R}_{1\rho}{´} + \frac{\Phi_\textrm{ex} \textrm{k}_\textrm{ex}}{\textrm{k}_\textrm{ex}^2 + \omega_\textrm{e}^2} [/math]

Parameters

The M61 model has the parameters {R', ..., Φex, kex}.

Reference

The reference for the M61 model is:

  • Meiboom, S. (1961). Nuclear magnetic resonance study of proton transfer in water. J. Chem. Phys., 34(2), 375-388. (10.1063/1.1700960).

Related models

The DPL94 model is an extension of the M61 model for off-resonance data.

Links

The implementation of the M61 model in relax can be seen in the:

See also