https://scholars.lib.ntu.edu.tw/handle/123456789/575755
標題: | Recent Advances and Sensing Applications of Carbon Dots | 作者: | Xu D Lin Q Chang H.-T. HUAN-TSUNG CHANG |
關鍵字: | Amino acids; Antibodies; Biocompatibility; Carbon; Infrared devices; Mammals; Metal ions; Metals; Analytical applications; ELectrochemical methods; Natural materials; Near infrared region; Recognition element; Sensing and imaging; Sensing applications; Small organic molecules; Molecules | 公開日期: | 2020 | 卷: | 4 | 期: | 4 | 來源出版物: | Small Methods | 摘要: | Carbon dots (C dots) with biocompatibility, brightness, stability against photoirradiation and salt, and ease in preparation have become important materials for sensing and imaging. They can be prepared from natural materials and small organic molecules through hydrothermal, microwave-assistant, and electrochemical methods, with advantages of simplicity and low cost. To enhance the quantum yields of C dots in the red and near-infrared regions, doping of C dots with heteroatoms such as nitrogen and sulfur has been suggested. C dots both with and without being functionalized recognition elements such as antibodies and aptamers are selective and sensitive for sensing of analytes, including metal ions (e.g., Fe3+, Hg2+, Cu2+), small molecules (e.g., H2O2, cysteine, glutathione), and biopolymers like proteins, as well as for in vitro and in vivo imaging. Depending on the size, charge, and surface ligands of C dots used to label cells, fluorescence images of different organelles are shown. Multicolor images of bacteria, mammalian cells, and plant tissues incubated with C dots are realized when excited at different wavelengths. In this review, many excellent sensing and imaging examples of C dots are presented to highlight their features and to show their challenges for analytical applications. ? 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim |
URI: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85080083402&doi=10.1002%2fsmtd.201900387&partnerID=40&md5=e9de4585f05a09419198185be8b10118 https://scholars.lib.ntu.edu.tw/handle/123456789/575755 |
ISSN: | 23669608 | DOI: | 10.1002/smtd.201900387 |
顯示於: | 化學系 |
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