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. 2018 Jan 29;7(3):e007197. doi: 10.1161/JAHA.117.007197

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© 2018 The Authors. Published on behalf of the American Heart Association, Inc., by Wiley.

This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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A, Transmission electron microscopy image of 6C1/PEG/LP/DiR. B, Hydrodynamic size and polydispersity index of PEG/LP/DiR, IgG/PEG/LP/DiR, and 6C1/PEG/LP/DiR were determined by dynamic light scattering. C, Representative near‐infrared fluorescence (NIRF) images of spleen cells in different groups showed a remarkable fluorescence signal in the 6C1/PEG/LP/DiR group, which indicated a higher cellular binding efficacy of 6C1/PEG/LP/DiR compared with the control nanoprobes in cells. D, Quantitative data of (C) is shown (n=3): ***P<0.01. PEG indicates polyethylene glycol.