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. Author manuscript; available in PMC: 2011 Jul 11.
Published in final edited form as: Nano Today. 2009 Jun;4(3):252–261. doi: 10.1016/j.nantod.2009.04.002

Table 1.

The unique physical and chemical properties of SWCNTs have made them versatile contrast agents for a number of imaging modalities.

Modality Contrast agent Resolution Sensitivity Penetration References
MRI Gd3+ high low good 32,33,49
NIRF SWCNT medium medium poor 40-49
Raman SWCNT low medium poor 55-64,70,73
PAT SWCNT high medium poor 79
PET/SPECT radioisotopes medium high good 83,87,90-92