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. Author manuscript; available in PMC: 2014 Aug 28.
Published in final edited form as: J Am Chem Soc. 2013 Aug 15;135(34):12564–12567. doi: 10.1021/ja406553f

Figure 2.

Figure 2

Representative LDI mass spectra of AuNPs in mouse spleens. a, AuNP 1 (molecular ion m/z 436). b, AuNP 2 (molecular ion m/z 492). c, AuNP 3 (molecular ion m/z 548). Other ions in the spectra correspond to common fragments of the phosphatidylcholine headgroup (e.g. m/z 184), one of which is indicated with an *, and Au+ (m/z 197), indicated by a +.