期刊
BIOCONJUGATE CHEMISTRY
卷 30, 期 11, 页码 2751-2762出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.bioconjchem.9b00645
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资金
- Cluster of Excellence Advanced Imaging of Matter of the Deutsche Forschungsgemeinschaft (DFG) [EXC 2056, 390715994]
- Fazit Stiftung
- Chinese Scholarship Council (CSC)
- Deutsche Akademischer Austauschdienst (DAAD)
- Alexander von Humboldt Foundation
- Gipuzkoa Foru Aldundia (Gipuzkoa Fellows Program)
In solution, nanoparticles may be conceptually compartmentalized into cores and engineered surface coatings. Recent advances allow for simple and accurate characterization of nanoparticle cores and surface shells. After introduction into a complex biological environment, adsorption of biological molecules to the nanoparticle surface as well as a loss of original surface components occur. Thus, colloidal nanoparticles in the context of the biological environment are hybrid materials with complex structure, which may result in different chemical, physical, and biological outcomes as compared to the original engineered nanoparticles. In this review, we will discuss building up an engineered inorganic nanoparticle from its inside core to its outside surface and following its degradation in a biological environment from its outside to its inside. This will involve the way to synthesize selected inorganic nanoparticles. Then, we will discuss the environmental changes upon exposure of these nanoparticles to biological media and their uptake by cells. Next, the intracellular fate of nanoparticles and their degradation will be discussed. Based on these examples, the need to see nanoparticles in the context of the biological environment as dynamic hybrid materials will be highlighted.
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