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Review
. 2022 Dec;355(12):e2200299.
doi: 10.1002/ardp.202200299. Epub 2022 Sep 4.

Quantum dots in the biomedical world: A smart advanced nanocarrier for multiple venues application

Affiliations
Review

Quantum dots in the biomedical world: A smart advanced nanocarrier for multiple venues application

Siddharth Singh et al. Arch Pharm (Weinheim). 2022 Dec.

Abstract

Quantum dots (QDs) are semiconducting nanoparticles having different optical and electrical properties when compared to larger particles. They exhibit photoluminescence when irradiated with ultraviolet light, which is due to the transition of an excited electron from the valence band to the conductance band followed by the return of the exciting electron back into the valence band. The size and material of QDs can affect their optical and other properties too. The QDs possess special attributes like high brightness, protection from photobleaching, photostability, color tunability, low toxicity, low production cost, a multiplexing limit, and a high surface-to-volume proportion, which make them a promising tool for biomedical applications. Here, in this study, we summarize the utilization of QDs in different applications including bioimaging, diagnostics, immunostaining, single-cell analysis, drug delivery, and protein detection. Moreover, we discuss the advantages and challenges of using QDs in biomedical applications when compared with other conventional tools.

Keywords: biosensors; cell and tissue imaging; drug delivery; protein detection; quantum dots.

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