The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
pH-Sensitive Photoluminescence of CdSe/ZnSe/ZnS Quantum Dots in Human Ovarian Cancer Cells
Open accessAbstract
The photoluminescence of mercaptoacetic acid (MAA)-capped CdSe/ZnSe/ZnS semiconductor nanocrystal quantum dots (QDs) in SKOV-3 human ovarian cancer cells is pH-dependent, suggesting applications in which QDs serve as intracellular pH sensors. In both fixed and living cells the fluorescence intensity of intracellular MAA-capped QDs (MAA QDs) increases monotonically with increasing pH. The electrophoretic mobility of MAA QDs also increases with pH, indicating an association between surface charging and fluorescence emission. MAA dissociates from the ZnS outer shell at low pH, resulting in aggregation and loss of solubility, and this may also contribute to the MAA QD fluorescence changes observed in the intracellular environment.
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Dabbousi, B. O., Rodriguez-Viejo, J., Mikulec, F. V., Heine, J. R., Mattoussi, H., Ober, R., Jensen, K. F., & Bawendi, M. G. (1997) · The Journal of Physical Chemistry B · doi:10.1021/jp971091y · Cited by 4,229
Cited by
Fluorescent Indicators for Intracellular pH
Han, J., & Burgess, K. (2010) · Chemical Reviews · doi:10.1021/cr900249z · Cited by 1,620
Optical Sensing and Imaging of pH Values: Spectroscopies, Materials, and Applications
Steinegger, A., Wolfbeis, O. S., & Borisov, S. M. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00451 · Cited by 622
Quantum Dot–Fluorescent Protein FRET Probes for Sensing Intracellular pH
Dennis, A. M., Rhee, W. J., Sotto, D., Dublin, S. N., & Bao, G. (2012) · ACS Nano · doi:10.1021/nn2038077 · Cited by 340
Maxwell, T., Nogueira Campos, M. G., Smith, S., Doomra, M., Thwin, Z., & Santra, S. (2020) · Nanoparticles for Biomedical Applications · doi:10.1016/b978-0-12-816662-8.00015-1 · Cited by 43
Metadata
- Authors
- Liu, Y.-S., Sun, Y., Vernier, P. T., Liang, C.-H., Chong, S. Y. C., & Gundersen, M. A.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-02-01
- Volume
- 111
- Issue
- 7
- Pages
- 2872-2878
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2000302563
- Cited by
- 242
- References
- 1
- FWCI
- 6.95
- Type
- journal article
- Language
- en
- Open access
- green
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