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Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals
Department of Chemical and Biological Engineering, Iowa State University, Ames, IA 50011, USA
* Author to whom correspondence should be addressed.
Received: 12 October 2011; in revised form: 21 November 2011 / Accepted: 22 November 2011 / Published: 28 November 2011
Abstract: 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.
Keywords: quantum dots; ligand; biocompatible
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Cite This Article
MDPI and ACS Style
Zhang, Y.; Clapp, A. Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals. Sensors 2011, 11, 11036-11055.
Zhang Y, Clapp A. Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals. Sensors. 2011; 11(12):11036-11055.
Zhang, Yanjie; Clapp, Aaron. 2011. "Overview of Stabilizing Ligands for Biocompatible Quantum Dot Nanocrystals." Sensors 11, no. 12: 11036-11055.