期刊
NEW JOURNAL OF CHEMISTRY
卷 46, 期 44, 页码 21428-21433出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2nj02523j
关键词
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资金
- Natural Science Foundation of Fujian Province of China [2020J01549]
- Fujian Agriculture and Forestry University [KFA19056A, 118360020, XJQ201616]
In this study, a metal-organic framework UiO-66 with metal zirconium as the node was synthesized and anticancer drugs and a photosensitizer were encapsulated using a post-loading method. Surface modification increased the stability and biocompatibility of the nanomaterials. The drugs were effectively released in an acidic environment and laser irradiation induced apoptosis. The materials demonstrated a good combined effect of chemotherapy and photodynamic therapy.
The metal-organic framework UiO-66 with metal zirconium as the node has been synthesized using zirconium chloride and terephthalic acid. Anticancer drugs (CPT and DOX) and a photosensitizer (RB) were encapsulated via a post-loading method, and then the surface was modified with NH2-PEG-FA to form RB-Drug@UiO-66-FA. The introduction of folic acid (FA) increased the stability and biocompatibility of the nanomaterials. Through X-ray diffraction and zeta potential analysis, we confirm that the modified material maintains its original structure and can effectively encapsulate the drug. By testing its performance, we showed that the drugs were released at high levels in the acidic environment where cancer cells survive. After 552 nm laser irradiation, a large amount of O-1(2) was produced, promoting apoptosis. These results indicated that the materials demonstrate a good, combined effect of chemotherapy and photodynamic therapy.
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