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Quantum Dots: A Review from Concept to Clinic
Saeid Kargozar1, Seyed Javad Hoseini2, Peiman Brouki Milan3,4,5
1Tissue Engineering Research Group (TERG), Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
Biotechnology Journal
|August 27, 2020
Summary
Quantum dots (QDs) offer unique optical properties for diverse applications. This review details QD synthesis, toxicity, and biological uses, highlighting their clinical potential while addressing barriers to widespread adoption.
Area of Science:
- Materials Science
- Nanotechnology
- Biomedical Engineering
Background:
- Quantum dots (QDs) are semiconductor nanomaterials with unique optical and electronic properties.
- Their applications span solar cells, LEDs, lasers, and increasingly, biological and biomedical fields.
- Surface modifications significantly impact QD properties, including optical characteristics and toxicity.
Purpose of the Study:
- To provide a comprehensive review of quantum dots, focusing on their biological aspects.
- To consolidate information on QD types, synthesis, toxicity (in vitro and in vivo), and clinical potential.
- To identify and discuss barriers hindering the clinical application of QDs.
Main Methods:
- Literature review focusing on in vitro and in vivo studies of QDs.
- Analysis of various QD synthesis approaches.
- Discussion of surface modification strategies for QDs.
- Evaluation of current and potential clinical applications of QDs.
Main Results:
- QDs exhibit promising results for targeted molecular therapy and bioimaging.
- Surface modifications are crucial for tuning QD optical properties and mitigating toxicity.
- Significant progress has been made in understanding QD biological interactions.
- Despite promising results, challenges remain for widespread clinical translation.
Conclusions:
- Quantum dots hold significant promise for advanced biomedical applications, including targeted therapy and imaging.
- Addressing toxicity and optimizing surface chemistry are key to unlocking their full clinical potential.
- Further research and development are necessary to overcome existing barriers for broad clinical adoption.
