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Sensors, Vol. 11, Pages 11036-11055: Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals (2011)

Yanjie Zhang; Aaron Clapp

MDPI Publishing

In: Sensors

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Publication Date: 2011-11-29

Description: Luminescent colloidal quantum dots (QDs) possess numerous advantages as fluorophores in biological applications. However, a principal challenge is how to retain the desirable optical properties of quantum dots in aqueous media while maintaining biocompatibility. Because QD photophysical properties are directly related to surface states, it is critical to control the surface chemistry that renders QDs biocompatible while maintaining electronic passivation. For more than a decade, investigators have used diverse strategies for altering the QD surface. This review summarizes the most successful approaches for preparing biocompatible QDs using various chemical ligands.

Electronic ISSN: 1424-8220

Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology

Published by MDPI Publishing

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