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. Author manuscript; available in PMC: 2015 Sep 16.
Published in final edited form as: ACS Nano. 2014 Sep 19;8(10):10168–10177. doi: 10.1021/nn502986e

Figure 2.

Figure 2

Structures of the 15 molecules tested with GO for adsorption, sedimentation, and cellular delivery. The quenching properties of GO usually hinder quantitative studies. The challenge is overcome by using Gd(III) to enable analytical quantitation by ICP.