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Upconversion luminescent logic gates and turn-on sensing of glutathione based on two-photon excited quantum dots conjugated with dopamine.

Rijun Gui¹, Hui Jin, Xifeng Liu, Zonghua Wang, Feifei Zhang, Jianfei Xia, Min Yang, Sai Bi.

Abstract

Under the two-photon excitation, upconversion luminescent "INHIBIT" and "OR" logic gates of water-dispersed CdTe quantum dots (QDs) were constituted by conjugating the QDs with dopamine. This facilitated the development of a novel QDs-based upconversion luminescent probe for efficient turn-on sensing of glutathione.

Entities: Chemical

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Year: 2014 PMID： 25325081 DOI： 10.1039/c4cc06181k

Source DB: PubMed Journal: Chem Commun (Camb) ISSN： 1359-7345 Impact factor: 6.222

Upconversion luminescent logic gates and turn-on sensing of glutathione based on two-photon excited quantum dots conjugated with dopamine.

1. Retraction: Light-triggered nitric oxide release and targeted fluorescence imaging in tumor cells developed from folic acid-graft-carboxymethyl chitosan nanospheres.

2. Expression of concern: Layer-by-layer aqueous synthesis, characterization and fluorescence properties of type-II CdTe/CdS core/shell quantum dots with near-infrared emission.

3. Biodegradable and crosslinkable PPF-PLGA-PEG self-assembled nanoparticles dual-decorated with folic acid ligands and rhodamine B fluorescent probes for targeted cancer imaging.