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Journal of Nanomaterials
/
2012
/
Article
/
Tab 1
/
Research Article
Bifunctional Silica-Coated Superparamagnetic FePt Nanoparticles for Fluorescence/MR Dual Imaging
Table 1
Longitudinal and transverse relaxivities and relaxivity ratios of FePt and FePt@SiO
2
-FITC nanoparticles.
Material
𝑟
1
(s
−1
mM
−1
)
𝑟
2
(s
−1
mM
−1
)
𝑟
2
/
𝑟
1
FePt
5.7
396.1
69.5
FePt@SiO
2
-FITC
6.8
102.3
15.0