Examples of 'relaxivity' in a sentence
Meaning of "relaxivity"
Relaxivity: (noun) A property of contrast agents used in magnetic resonance imaging (MRI) to enhance the visibility of internal body structures, particularly useful in diagnosing medical conditions
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- The extent to which relaxation takes place.
How to use "relaxivity" in a sentence
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relaxivity
Higher relaxivity is obtained at fast exchange conditions.
The extent of this enhancement is termed relaxivity.
Relaxivity and photothermal therapy performances have been measured.
Contrast agents are characterized by their relaxivity.
Relaxivity is used to improve the contrast of the image.
The chemical characterizations were performed and the relaxivity constantswere assessed.
Determination of the relaxivity of the compounds of the present invention.
Alteration in these physical properties can dramatically alter the relaxivity.
The relaxivity of this complex was further tested as a function of the pH.
The vascular images are enhanced due to changes of blood relaxivity or radioactivity.
The relaxivity of the agent is equal to the slope of the line.
The effect of water exchange rate on relaxivity has been discussed earlier.
Relaxivity per particle is proportional to the saturation magnetization of a superparamagnetic material.
This conjugate has been metallated with gadolinium and its relaxivity has been measured.
Decrease in relaxivity is also observed when bidentate ligands are present in solution.
See also
The physical properties of a gadolinium complex affect the relaxivity of the contrast agent.
This transverse relaxivity increases linearly with the applied magnetic field.
Indeed, contrast agents are characterized by their relaxivity.
These have relatively low relaxivity and are generally less effective than paramagnetic ions.
Therefore, it is necessary to compensate this lowered relaxivity by increasing the dose.
Five complexes exhibit relaxivity values five times larger than commercially available MRI contrast agents.
On the contrary, they would have remarkably reduced the measured relaxivity.
Manganese is preferred because of its higher relaxivity properties and affinity for liver tissue.
Relaxivity determination using MRI.
Measurement of the Relaxivity of the Nanoparticles.
Their relaxivity properties were clearly improved compared to commercially available DOTA-Gd complex.
However, they have low relaxivity and are not specific.
The first candidate one would logically consider, in view of its high relaxivity ca.
Higher relaxivity of Multihance.
Further, in the specific instance of a spin relaxation catalyst, the greatest possible relaxivity is desired.
In summary, the relaxivity is a characteristic of the agent.
By limiting particle size and increasing the available surface área, improved relaxivity is observed.
Despite its satisfactory relaxivity and safety, this formulation has several disadvantages.
Gd1 contains DOTA-Bn-SCN to provide higher relaxivity.
The determined relaxivity values are summarized in Table 1.
Magnetic relaxation times were measured in each sample, and the relaxivity ( 1/T2 ) was calculated.
The relaxivity data in presence of albumin are reported in Table 3.
Preferably, radicals with low relaxivity are used as DNP agents.
Relaxivity per particle is a measure of the effect of each particle on the measured T2 value.
The resulting particles have extremely high relaxivity on a per-particle basis, as shown in FIG.
The relaxivity measurements are performed on Minispec relaxometers at 20 and 60 MHz.
These liposomes demonstrated high Gd molar relaxivity at low field strengths as shown in FIG . 10A.
The relaxivity r1 considered here is a relaxivity per Mn+ ( for example gadolinium ) ion.
The difference in observed relaxivity parallels the results obtained from the T1 measurements for complexes.
Each relaxivity measurement was performed using three different Gd concentrations ( 3 concentrations between 0.05 and 2 mM ).
Determination of the relaxivity of the compounds of the present invention . Operative conditions Apparatus,.
Protein binding enhances T1 relaxivity of gadofosveset up to 10 fold compared to non-protein bound gadolinium chelates.
Example 8.3 Measurements of relaxivity Relaxivity measurements were performed using a Minispec instrumentation mq20 ( Bruker Biospin, Germany ).
