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Near-infrared fluorescence spectroscopy of single-walled carbon nanotubes and its applications |
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| Authors: | Hongduan HuangMingjian Zou Xiao XuFeng Liu Na Li |
| Affiliation: | Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of the Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China; College of Sciences, Shenyang Agricultural University, Shenyang 110161, China |
| Abstract: | Semiconducting single-walled carbon nanotubes (SWCNTs) emit fluorescence at near-infrared (NIR) wavelengths that are characteristic of the specific diameter and the chiral angle. While providing a convenient method for structural identification of semiconducting SWCNTs, NIR fluorescence of SWCNTs also offers a powerful approach for sensor development and in vivo or real-time imaging of biological systems.This article provides an introductory overview of the approaches to obtaining individually dispersed semiconducting SWCNTs with reasonably good purity, which is a critical step in acquiring NIR fluorescence spectra. It also summarizes the progress since 2002 in sensor design and applications in bioimaging in vitro and in vivo using NIR fluorescence of semiconducting SWCNTs. |
| Keywords: | Bioimaging Biological system Chiral angle Near-infrared fluorescence spectroscopy Real-time imaging Sensor Single-walled carbon nanotube Specific diameter Structural identification SWCNT |
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