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Start Over "Hall, Elizabeth A. H." Topic electrochemical sensors Topic quantum dots
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1. Quantum dot photoluminescence lifetime-based pH nanosensorElectronic supplementary information (ESI) available: Materials, instruments, methods of analysis, Table S1, and Fig. S1 to S3, as indicated in the text. See DOI: 10.1039/c0cc05252c.

Author

Ruedas-Rama, Maria J., Orte, Angel, Hall, Elizabeth A. H., Alvarez-Pez, Jose M., and Talavera, Eva M.

Subjects
QUANTUM dots, PHOTOLUMINESCENCE, HYDROGEN-ion concentration, ELECTROCHEMICAL sensors, CADMIUM selenide, ZINC sulfide, PROPIONIC acid
Abstract

The first CdSe/ZnS quantum dot photoluminescence lifetime-based pH nanosensor has been developed. The average lifetime of mercaptopropionic acid-capped QD nanosensors showed a linear response in the pH range of 5.2–6.9. These nanosensors have been satisfactorily applied for pH estimation in simulated intracellular media, with high sensitivity and high selectivity toward most of the intracellular components. [ABSTRACT FROM AUTHOR]

Published
2011
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