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. Author manuscript; available in PMC: 2019 Dec 6.
Published in final edited form as: Anal Chem. 2019 Apr 11;91(9):5566–5572. doi: 10.1021/acs.analchem.8b03715

Figure 2.

Figure 2.

(a) m/z 0–160 and (b) m/z 180–310. Notable peaks are identified and color-coded: purple for carbon clusters, pink fore DNA-related, orange for silicon-related, green for salt, and black for Au clusters.