Figure 5From: Novel HER2 Aptamer Selectively Delivers Cytotoxic Drug to HER2-positive Breast Cancer Cells in VitroFluorescence spectra assay of Apt-Dox. Doxorubicin solution mixed with increasing molar ratios of the HB5 aptamer (from top to bottom: 0, 0.0001, 0.003, 0.03, 0.1, and 1).Back to article page