期刊
DRUG DISCOVERY TODAY
卷 24, 期 3, 页码 835-844出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.drudis.2019.01.001
关键词
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资金
- National Natural Science Foundation of China [81761148028, 21773026]
- Fundamental Research Funds for the Central Universities
- Science and Technology Commission of Shanghai Municipality [17540712000, 15520711400]
Ultrasmall iron oxide nanoparticles (USIO NPs) with a size <5 nm are a class of emerging nanomaterials. As a result of their intrinsic drawbacks related to poor colloidal stability, low r(1) relaxivity, and lack of functionality, various strategies have been adopted to synthesize USIO NPs with controllable sizes, to surface modify the particles with polymers, and to assemble them in combination with other nanoscale platforms. Here, we review recent progresses in the synthesis, surface modification, and self-assembly of USIO NPs to address key issues in their biomedical application in the field of cancer diagnosis and therapy, in particular magnetic resonance (MR) imaging, dual-modal or multimodal imaging, drug delivery, and theranostics.
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