Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths
Nanocellulose has emerged as a promising material for many biomedical applications. Depending on the source of the nanocellulose and the chemical treatment, the resulting optical properties can vary significantly. In particular, autofluorescence can exist in various wavelength ranges. Except for chl...
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Online Access: | http://dx.doi.org/10.1063/1.5079883 |
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doaj-341c0f45f5144cc6b9cc6b4950aa71f42020-11-25T00:30:40ZengAIP Publishing LLCAPL Photonics2378-09672019-02-0142020803020803-1010.1063/1.5079883006902APPIntrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengthsAsma Khalid0Liyuan Zhang1Jean-Philippe Tetienne2Amanda N. Abraham3Arpita Poddar4Ravi Shukla5Wei Shen6Snjezana Tomljenovic-Hanic7School of Physics, University of Melbourne, Parkville, Victoria 3010, AustraliaDepartment of Chemical Engineering, Monash University, Wellington Road, Clayton Campus, Victoria 3800, AustraliaSchool of Physics, University of Melbourne, Parkville, Victoria 3010, AustraliaSchool of Science, RMIT University, Melbourne, Victoria 3001, AustraliaSchool of Science, RMIT University, Melbourne, Victoria 3001, AustraliaSchool of Science, RMIT University, Melbourne, Victoria 3001, AustraliaDepartment of Chemical Engineering, Monash University, Wellington Road, Clayton Campus, Victoria 3800, AustraliaSchool of Physics, University of Melbourne, Parkville, Victoria 3010, AustraliaNanocellulose has emerged as a promising material for many biomedical applications. Depending on the source of the nanocellulose and the chemical treatment, the resulting optical properties can vary significantly. In particular, autofluorescence can exist in various wavelength ranges. Except for chlorophyll related autofluorescence, all other studies have reported intrinsic fluorescence in the blue to yellow range. However, this range coincides with the autofluorescence range of cells. Here, we report on cell friendly red fluorescence of nanocellulose fibers and nanocellulose fiber-derived nanoparticles. Photostability, spectral features, and lifetimes of fibers and nanoparticles are investigated. Subsequently, those nanostructures were successfully integrated into cells, and photostable bright in vitro emission was recorded and analyzed. Our work paves the way to further optical studies of nanocellulose and its related nanostructures, which may find uses in future biomedical applications.http://dx.doi.org/10.1063/1.5079883 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Asma Khalid Liyuan Zhang Jean-Philippe Tetienne Amanda N. Abraham Arpita Poddar Ravi Shukla Wei Shen Snjezana Tomljenovic-Hanic |
spellingShingle |
Asma Khalid Liyuan Zhang Jean-Philippe Tetienne Amanda N. Abraham Arpita Poddar Ravi Shukla Wei Shen Snjezana Tomljenovic-Hanic Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths APL Photonics |
author_facet |
Asma Khalid Liyuan Zhang Jean-Philippe Tetienne Amanda N. Abraham Arpita Poddar Ravi Shukla Wei Shen Snjezana Tomljenovic-Hanic |
author_sort |
Asma Khalid |
title |
Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
title_short |
Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
title_full |
Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
title_fullStr |
Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
title_full_unstemmed |
Intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
title_sort |
intrinsic fluorescence from cellulose nanofibers and nanoparticles at cell friendly wavelengths |
publisher |
AIP Publishing LLC |
series |
APL Photonics |
issn |
2378-0967 |
publishDate |
2019-02-01 |
description |
Nanocellulose has emerged as a promising material for many biomedical applications. Depending on the source of the nanocellulose and the chemical treatment, the resulting optical properties can vary significantly. In particular, autofluorescence can exist in various wavelength ranges. Except for chlorophyll related autofluorescence, all other studies have reported intrinsic fluorescence in the blue to yellow range. However, this range coincides with the autofluorescence range of cells. Here, we report on cell friendly red fluorescence of nanocellulose fibers and nanocellulose fiber-derived nanoparticles. Photostability, spectral features, and lifetimes of fibers and nanoparticles are investigated. Subsequently, those nanostructures were successfully integrated into cells, and photostable bright in vitro emission was recorded and analyzed. Our work paves the way to further optical studies of nanocellulose and its related nanostructures, which may find uses in future biomedical applications. |
url |
http://dx.doi.org/10.1063/1.5079883 |
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