Fig. 1: Characterizations of Mn@CCs. | Nature Communications

Fig. 1: Characterizations of Mn@CCs.

From: Carbonized paramagnetic complexes of Mn (II) as contrast agents for precise magnetic resonance imaging of sub-millimeter-sized orthotopic tumors

Fig. 1

a TEM image of Mn@CCs. b The graphene-like structure of Mn@CCs revealed by HR-TEM imaging. Experiments were repeated three times. c Size distribution of Mn@CCs. d Raman spectrum of Mn@CCs. e TGA of Mn@CCs. f The full-scan XPS spectrum of Mn@CCs. g–j High-resolution XPS spectra of g Mn2p, h N1s, i C1s, and j O1s. k FTIR spectra of Mn@CCs and raw materials. l Surface zeta potential of Mn@CCs.

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