Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Near-infrared up-conversion photoluminescence imaging of carbon nanotubes in mice tissues

Not Accessible

Your library or personal account may give you access

Abstract

Single-walled carbon nanotubes (SWNTs) have been considered as promising luminescent probes for deep-tissue bioimaging because of their intrinsic photoluminescence in the near infrared wavelength range of ~1000-1300 nm called NIR-II [1, 2]. The near infrared light readily penetrates into highly scattering media such as biological tissues; this enables photoluminescence imaging of deep inside of them. However, it is necessary to use Stokes photoluminscence (here after, referred to as PL) at longer wavelengths than ~1100 nm to avoid autofluorescence from the biological tissues, and standard Si-based detectors cannot be used in this wavelength range. Recently, efficient up- conversion photoluminescence (UCPL) of SWNTs has been discovered [3]. The UCPL phenomena enable SWNTs excited at wavelengths longer than ~1050-1200 nm to emit PL shorter than 1000 nm in which standard Si-based detectors have finite sensitivity. The availability of the UCPL thus drastically enhances the usefulness of SWNTs as luminescent probes in their bioimaging applications.

© 2017 Japan Society of Applied Physics, Optical Society of America

PDF Article
More Like This
Towards Optical Bioimaging in Near and Short-wave Infrared Regions: Contrast Agents and Optical Properties of Biological Tissue

Tymish Y. Ohulchanskyy
T2B.3 International Conference on Photonics and Imaging in Biology and Medicine (PIBM) 2017

Efficient excitation of silicon photonic cavity modes from carbon nanotube photoluminescence

Weiwei Zhang, Elena Durán-Valdeiglesias, Samuel Serna, Niccolò Caselli, Francesco Biccari, Carlos Alonso-Ramos, Xavier Le Roux, Arianna Filoramo, Massimo Gurioli, Laurent Vivien, and Eric Cassan
S3J.3 Asia Communications and Photonics Conference (ACP) 2017

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved