DNA-Functionalized Metal–Organic Framework: Cell Imaging, Targeting Drug Delivery and Photodynamic Therapy
2019
Here, DNA-functionalized nanoscale PCN-224 is established with the aptamer of A549 lung cancer cells. The aptamer was modified with carboxyl and fluorescein at the two terminals. When touching the A549 cells, DOX@PCN-224-DNA can trace tumor cells and present good targeting therapy by the combination of chemotherapy and photodynamic therapy. This facile aptamer functionalization of PCN-224 offers an opportunity to develop metal–organic framework-based target-directed therapy and biosensors.
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