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Green Synthesis of Bifunctional Fluorescent Carbon Dots from Garlic for Cellular Imaging and Free Radical Scavenging

Zhao, Shaojing, Lan, Minhuan, Zhu, Xiaoyue, Xue, Hongtao, Ng, Tsz-Wai, Meng, Xiangmin, Lee, Chun-Sing, Wang, Pengfei, Zhang, Wenjun·2015·ACS Applied Materials & Interfaces

DOI 10.1021/acsami.5b03228

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Abstract

Nitrogen and sulfur codoped carbon dots (CDs) were prepared from garlic by a hydrothermal method. The as-prepared CDs possess good water dispersibility, strong blue fluorescence emission with a fluorescent quantum yield of 17.5%, and excellent photo and pH stabilities. It is also demonstrated that the fluorescence of CDs are resistant to the interference of metal ions, biomolecules, and high ionic strength environments. Combining with low cytotoxicity properties, CDs could be used as an excellent fluorescent probe for cellular multicolor imaging. Moreover, the CDs were also demonstrated to exhibit favorable radical scavenging activity.

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Authors: Zhao, S., Lan, M., Zhu, X., Xue, H., Ng, T.-W., Meng, X., Lee, C.-S., Wang, P., & Zhang, W.
Venue: ACS Applied Materials & Interfaces
Publisher: American Chemical Society (ACS)
Published: 2015-07-30
Volume: 7
Issue: 31
Pages: 17054-17060
ISSN: 1944-8244 (ISSN-L)
1944-8252
DOI: 10.1021/acsami.5b03228
OpenAlex: W2438483787
Cited by: 649
References: 54
FWCI: 15.32
Type: journal article
Language: en
Open access: closed

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Green Synthesis of Bifunctional Fluorescent Carbon Dots from Garlic for Cellular Imaging and Free Radical Scavenging

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