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Figure 9 | Nanoscale Research Letters

Figure 9

From: BRCAA1 antibody- and Her2 antibody-conjugated amphiphilic polymer engineered CdSe/ZnS quantum dots for targeted imaging of gastric cancer

Figure 9

Sensitivity and capability of PQDs (red)-labeled MGC803 cell imaging in live animals. (a, b) The quantitative analysis of fluorescence of PQD-labeled MGC803 cells showed a linear relationship (R2 = 0.98777) between fluorescence intensity and cell numbers. (c) Fluorescence imaging of different amounts of PQD-labeled MGC803 cells injected subcutaneously in a mouse (cell numbers of 32× 102, 128× 102, 512× 102, and 2,048 × 102 corresponded to the sites 1, 2, 3, and 4 marked in the image; excitation filter 410 nm, emission filter 700 ± 15 nm, band pass).

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