期刊
CCS CHEMISTRY
卷 1, 期 4, 页码 490-501出版社
CHINESE CHEMICAL SOC
DOI: 10.31635/ccschem.019.20180033
关键词
aptamer; upconversion; black phosphorus; near-infrared light; bioimaging
资金
- National Key R&D Program of China [2017YFA0208000]
- National Natural Science Foundation of China [21675120, 31701249]
- Foundation for Innovative Research Groups of NSFC [21521063]
- Keypoint Research and Invention Program of Hunan province [2017DK2011]
Nature has created complex living systems with outstanding structure and remarkable function. Constructing biomimetic systems that rival living organisms has attracted considerable research interest in research fields of self-assembly and bionic science. Inspired by the composition of photosynthetic bacteria, we have designed artificial photoresponsive protocells through capsulation of upconversion nanoparticles@black phosphorus quantum dots (UCNPs@BPODs) within aptamer-modified liposome (Apt-Lip) to form UCNPs@BPQDs@Apt-Lip (UBAL). The UBAL protocells with near-infrared-lightharvesting capability actively and efficiently convert light energy into chemical and heat energy. Furthermore, the successful application of the protocells to malignant tumors in vivo exhibited near-infrared-light-mediated targeted combined photodynamic and photothermal synergistic therapy. Our demonstration of operative protocells not only represents a method for fabricating light-harvesting systems based on nanoassembly, but also provides a promising step toward photosynthetic protocells with integrated cell-like structure and light-harvesting function for nanomedicine. [GRAPHICS] .
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