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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Anal Bioanal Chem. 2018 Sep 8;410(28):7395–7404. doi: 10.1007/s00216-018-1345-7

Fig. 3.

Fig. 3.

MALDI-TOF-MS spectra of N-glycans derived from 100 ng of RNase B using 10 μg DHB+0.025 μg CNPs@Fe3O4 NCs, synthesized with different weight ratios of CNPs:Fe3O4 (a) 2:1 (b) 1:1 (c) 1:2. TEM images of CNPs@Fe3O4 NCs synthesized with different weight ratios of CNPs:Fe3O4 (d) 2:1 (e) 1:1 (f) 1:2. The arrows indicate some example of the Fe3O4 NPs.