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. Author manuscript; available in PMC: 2011 Mar 15.
Published in final edited form as: Small. 2009 Aug 17;5(16):1862–1868. doi: 10.1002/smll.200900389

Table 2.

Determination of fluorescence emission intensity [a. u.] and magnetic relaxivity (T2) of IONP-(4-DiR)-treated cells (A549) in PBS.

A549 Cell pellets Cells only Cells + 20 μL IONPs Cells + 40 μL IONPs Cells + 60 μL IONPs Cells + 80 μL IONPs
Fl. Emission (×105) 0.0 1.7 2.0 2.4 2.7
T2 [ms] 2000 165 126 101 78