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Figure 1 | BMC Cancer

Figure 1

From: Longitudinal MRI contrast enhanced monitoring of early tumour development with manganese chloride (MnCl2) and superparamagnetic iron oxide nanoparticles (SPIOs) in a CT1258 based in vivo model of prostate cancer

Figure 1

1T MRI scan of MnCl 2 and SPIOs labelled cells in a 1% agar phantom. The numbers of labelled cells accounted: 7 × 105, 2.5 × 105, 105, 5 × 104, 2.5 × 104, 104, 5 × 103, 103. As controls 1 × 105 unlabelled cells, the culture medium, 1 M MnCl2, and Endorem solution were used. A: T1 weighted MRI. SPIOs labelled cells (left two lanes), the controls with un-labelled cells and the culture medium showed comparable signals. 1 M MnCl2 solution showed a strong signal enhancement. MnCl2 labelled cells (right two lanes) were detected to a limit of 105 cells. B: T2* weighted MRI scan. MnCl2 labelled cells (right two lanes), the controls, and the culture medium showed comparable signals. Endorem solution showed a strong signal extinction. SPIOs labelled cells (left two lanes) were detected to a limit of 105cells.

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