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(a) Unfunctionalized MPA-QDs. Hydrodynamic diameters of sizing standards are indicated above the graph (see Supporting Information Figure S2 for more details). (b) BSA-QDs. (c) Lysozyme-QDs. (d) Trypsin-QDs. (e) Transferrin-QDs. The red dashed line in each graph indicates the peak position of MPA-QDs.
