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Nanoscale composites improve MRI
Date:6/16/2014

increases their interparticle communication mechanism," he said.

Tests showed iron oxide particles made the nanoconstructs 10 times better than traditional contrast agents with what amounted to significantly lower doses of iron than used in current practice.

The new research also showed that, as a general principle, confining MRI contrast agents (like iron oxide) in geometric structures enhances their relaxivity the property that makes the agents appear in MRI images. (The shorter the relaxation time, the greater the contrast in the image.)

While the particles are too big to target specific proteins, Gizzatov said it might also be possible to modify them with elements that will increase their accumulation in tumors.


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Contact: David Ruth
david@rice.edu
713-348-6327
Rice University
Source:Eurekalert  

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