Recent Progress of Biological Imaging Based on Monochiral Semiconducting Single-walled Carbon Nanotubes

doi:10.7517/issn.1674-0475.210402

Abstract

Abstract: Semiconducting single-walled carbon nanotubes (sc-SWCNTs) have shown obvious advantages in biomedical applications such as biological imaging, photothermal therapy and drug delivery. In particular, they exhibit excellent properties for biological imaging due to their inherent fluorescence and strong optical absorption in the near infrared biological window (0.7-1.4 μm). Sc-SWCNT can be used in not only fluorescently labeling cells in deep imaging in vivo, but also tracking and treating tumor cells, which have attracted widespread attention. The electronic band structure and photoelectric properties of sc-SWCNTs depend on their chirality. The advantages of sc-SWCNTs themselves can be maximized only when using monochiral sc-SWCNTs for biomedical applications. The separation of monochiral sc-SWCNTs and their applications in new optoelectronic devices and bioluminescence imaging have become research hotspots at the forefront of science and technology. In this paper, we will introduce the separation technology of sc-SWCNTs and the research progress of monochiral sc-SWCNTs in the field of biological imaging.

Key words: semiconducting single-walled carbon nanotubes, monochiral, separation technology, biological imaging

XU Wenjing, HOU Juncai, ZHAO Jianwen. Recent Progress of Biological Imaging Based on Monochiral Semiconducting Single-walled Carbon Nanotubes[J]. IMAGING SCIENCE AND PHOTOCHEMISTRY, 2021, 39(3): 348-353.

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