Dr. Fangjie Xu, Dr. Changming Cheng, Prof. Du-Xing Chen and Prof. Hongchen Gu Magnetite Nanocrystal Clusters with Ultra-High Sensitivity in Magnetic Resonance Imaging ChemPhysChem 13
New image forr2: A series of magnetite nanocrystal clusters (MNCs) with ultra-high transverse relaxivity (r2) are obtained by a polyol process. The relationship between the r2 and size of MNCs was studied (see picture). An MNC with a size of 64 nm has an r2 value of 650 mM−1 s−1. Compared with the theoretical model, the r2 values of MNC suspensions are approximately 0.93 of the theoretical prediction.
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