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Rhodamine-Functionalized Graphene Quantum Dots for Detection of Fe3+ in Cancer Stem Cells
Abstract
A turn-on orange-red fluorescent nanosensor based on rhodamine B derivative-functionalized graphene quantum dots (RBD-GQDs) has been successfully synthesized for Fe(3+) detection with high sensitivity and selectivity. By connecting with GQDs, the water solubility, sensitivity, photostability, and biocompatibility of RBD are drastically improved. The most distinctive feature of the RBD-GQDs, which sets them apart from other previously reported fluorophores or GQDs, is that they with the detection limits as low as 0.02 μM are demonstrated as a Fe(3+) turn-on fluorescent nanosensor in cancer stem cells. Fe(3+) binding to such GQDs (RBD-GQDs-Fe(3+)) with orange-red fluorescence of 43% quantum yield were demonstrated to be the biomarkers for cancer stem cell imaging.
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Cites
The role of iron regulatory proteins in mammalian iron homeostasis and disease
Rouault, T. A. (2006) · Nature Chemical Biology · doi:10.1038/nchembio807 · Cited by 1,055
Fluorescent and luminescent probes for detection of reactive oxygen and nitrogen species
Chen, X., Tian, X., Shin, I., & Yoon, J. (2011) · Chemical Society Reviews · doi:10.1039/c1cs15037e · Cited by 980
Cited by
A review on graphene-based nanocomposites for electrochemical and fluorescent biosensors
Krishnan, S. K., Singh, E., Singh, P., Meyyappan, M., & Nalwa, H. S. (2019) · RSC Advances · doi:10.1039/c8ra09577a · Cited by 785
Shining carbon dots: Synthesis and biomedical and optoelectronic applications
Yuan, F., Li, S., Fan, Z., Meng, X., Fan, L., & Yang, S. (2016) · Nano Today · doi:10.1016/j.nantod.2016.08.006 · Cited by 746
Self-citationShi, B., Su, Y., Zhang, L., Huang, M., Liu, R., & Zhao, S. (2016) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.6b01325 · Cited by 357
Metadata
- Authors
- Guo, R., Zhou, S., Li, Y., Li, X., Fan, L., & Voelcker, N. H.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-10-26
- Volume
- 7
- Issue
- 43
- Pages
- 23958-23966
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W1473386422
- Cited by
- 184
- References
- 2
- FWCI
- 7.99
- Type
- journal article
- Language
- en
- Open access
- closed
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- Guo, R., Zhou, S., Li, Y., Li, X., Fan, L., & Voelcker, N. H. (2015). Rhodamine-Functionalized Graphene Quantum Dots for Detection of Fe3+ in Cancer Stem Cells. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.5b06523
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