Copper nanocrystalline-doped folic acid-based super carbon dots for an enhanced antitumor effect in response to tumor microenvironment stimuli
Journal of Materials Chemistry B, ISSN: 2050-7518, Vol: 10, Issue: 39, Page: 8046-8057
2022
- 13Citations
- 4Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations13
- Citation Indexes13
- 13
- CrossRef9
- Captures4
- Readers4
Article Description
Chemodynamic therapy (CDT) is a promising cancer treatment strategy to induce tumor cell apoptosis with harmful reactive oxygen species (ROS), yet over-expression of glutathione (GSH) in the tumor microenvironment (TME) severely depletes the ROS and limits the CDT efficacy. Copper-containing materials could efficiently decrease the level of GSH in the TME. In this study, copper nanocrystalline-doped folic acid-based super carbon dots (FA-CDs@Cu) were prepared to realize an enhanced antitumor effect in response to tumor microenvironment stimuli. Folic acid (FA) was used as a source of carbon dots to improve the targetability of nanomaterials to tumor cells with over-expressed FA receptors. Copper existed mainly in the form of copper nanocrystals, which were embedded on the carbon core by in situ reduction of Cu by gluconic acid. The prepared composites were found to reduce the intracellular HO into hydroxyl radicals (˙OH) and consume GSH efficiently in tumor cells. Copper-doping enabled the CDs to absorb near-infrared light and to give a high photothermal transformation efficiency (54.3%) and high singlet oxygen atom yield (56.83%), endowing the super carbon dots with synergetic CDT/PTT/PDT functions in response to the TME and NIR stimuli, which have been investigated systematically by in vitro and in vivo biological experiments.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85139803802&origin=inward; http://dx.doi.org/10.1039/d2tb01363k; http://www.ncbi.nlm.nih.gov/pubmed/36107131; https://xlink.rsc.org/?DOI=D2TB01363K; https://dx.doi.org/10.1039/d2tb01363k; https://pubs.rsc.org/en/content/articlelanding/2022/tb/d2tb01363k
Royal Society of Chemistry (RSC)
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