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Author Spotlight: Advancing SERS Technology: Au@Carbon Dot Nanoprobes for Label-Free Analysis and Imaging
Published on: June 9, 2023
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Carbon dots: synthesis, properties and biomedical applications.
1Key Laboratory of Carcinogenesis and Cancer Invasion of the Chinese Ministry of Education, Cancer Research Institute and School of Basic Medical Science, Central South University, Changsha 410008, China. wuxu1028@csu.edu.cn guocde@csu.edu.cn.
Journal of Materials Chemistry. B
|July 30, 2021
Summary
Carbon dots (CDs) are versatile nanomaterials with unique properties, finding applications in imaging, sensing, and drug delivery. This review covers their preparation, modification, optical characteristics, and biomedical uses, highlighting future directions.
Area of Science:
- Nanomaterials Science
- Biomedical Engineering
- Analytical Chemistry
Background:
- Carbon dots (CDs) are novel carbon nanomaterials.
- They exhibit unique physicochemical properties, biocompatibility, and low toxicity.
- CDs are widely applicable in diverse fields including biomedicine and environmental monitoring.
Purpose of the Study:
- To provide a comprehensive review of carbon dots (CDs).
- To summarize preparation methods, modification techniques, and optical properties of CDs.
- To discuss current and potential applications of CDs in biomedicine.
Main Methods:
- Review of literature on carbon dot synthesis.
- Analysis of methods for CD surface functionalization and heteroatom doping.
- Examination of optical properties like photoluminescence and UV absorption.
- Survey of biomedical applications including imaging, sensing, drug delivery, and theranostics.
Main Results:
- Multiple preparation methods for CDs exist, including arc discharge, laser ablation, and hydrothermal synthesis.
- Heteroatom doping and surface functionalization are key modification strategies.
- CDs display tunable optical properties such as UV absorption and photoluminescence.
- CDs show significant promise in in vivo/in vitro imaging, biosensing, drug delivery, and cancer theranostics.
Conclusions:
- Carbon dots are highly promising nanomaterials with broad biomedical applications.
- Further research into their synthesis, modification, and therapeutic potential is warranted.
- Addressing existing challenges will accelerate the clinical translation of carbon dot technologies.
