Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains

Multiphoton microscopy (MPM) is a powerful imaging technology for brain research. The imaging depth in MPM is partly determined by emission wavelength of fluorescent labels. It has been demonstrated that a longer emission wavelength is favorable for signal detection as imaging depth increases. Howev...

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Main Authors: Ke Wang, Wanjian Zhang, Xiangquan Deng, Shen Tong, Hui Cheng, Mengyuan Qin, Lei Zheng, Kun Zhao, Ruizhan Zhai, Zhongqing Jia, Ping Qiu
Format: Article
Language:English
Published: World Scientific Publishing 2023-11-01
Series:Journal of Innovative Optical Health Sciences
Subjects:
Online Access:https://www.worldscientific.com/doi/10.1142/S1793545823400023
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author Ke Wang
Wanjian Zhang
Xiangquan Deng
Shen Tong
Hui Cheng
Mengyuan Qin
Lei Zheng
Kun Zhao
Ruizhan Zhai
Zhongqing Jia
Ping Qiu
author_facet Ke Wang
Wanjian Zhang
Xiangquan Deng
Shen Tong
Hui Cheng
Mengyuan Qin
Lei Zheng
Kun Zhao
Ruizhan Zhai
Zhongqing Jia
Ping Qiu
author_sort Ke Wang
collection DOAJ
description Multiphoton microscopy (MPM) is a powerful imaging technology for brain research. The imaging depth in MPM is partly determined by emission wavelength of fluorescent labels. It has been demonstrated that a longer emission wavelength is favorable for signal detection as imaging depth increases. However, there has been no comparison with near-infrared (NIR) emission. In order to quantitatively analyze the effect of emission wavelength on 3-photon imaging of mouse brains in vivo, we utilize the same excitation wavelength to excite a single fluorescent dye and simultaneously collect NIR and orange-red emission fluorescence at 828[Formula: see text]nm and 620[Formula: see text]nm, respectively. Both experimental and simulation results show that as the imaging depth increases, NIR emission decays less than orange-red fluorescent emission. These results show that it is preferable to shift the emission wavelength to NIR to enable more efficient signal collection deep in the brain.
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spelling doaj.art-8afa03895e8e44968cf125d36ea9970c2023-11-28T03:24:33ZengWorld Scientific PublishingJournal of Innovative Optical Health Sciences1793-54581793-72052023-11-01160610.1142/S1793545823400023Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brainsKe Wang0Wanjian Zhang1Xiangquan Deng2Shen Tong3Hui Cheng4Mengyuan Qin5Lei Zheng6Kun Zhao7Ruizhan Zhai8Zhongqing Jia9Ping Qiu10Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaLaser Institute, Qilu University of Technology (Shandong Academy of Sciences), Qingdao Shandong 266000, P. R. ChinaLaser Institute, Qilu University of Technology (Shandong Academy of Sciences), Qingdao Shandong 266000, P. R. ChinaLaser Institute, Qilu University of Technology (Shandong Academy of Sciences), Qingdao Shandong 266000, P. R. ChinaKey Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060, P. R. ChinaMultiphoton microscopy (MPM) is a powerful imaging technology for brain research. The imaging depth in MPM is partly determined by emission wavelength of fluorescent labels. It has been demonstrated that a longer emission wavelength is favorable for signal detection as imaging depth increases. However, there has been no comparison with near-infrared (NIR) emission. In order to quantitatively analyze the effect of emission wavelength on 3-photon imaging of mouse brains in vivo, we utilize the same excitation wavelength to excite a single fluorescent dye and simultaneously collect NIR and orange-red emission fluorescence at 828[Formula: see text]nm and 620[Formula: see text]nm, respectively. Both experimental and simulation results show that as the imaging depth increases, NIR emission decays less than orange-red fluorescent emission. These results show that it is preferable to shift the emission wavelength to NIR to enable more efficient signal collection deep in the brain.https://www.worldscientific.com/doi/10.1142/S17935458234000233-Photon microscopyemission fluorescenceFM4-64Monte Carlo
spellingShingle Ke Wang
Wanjian Zhang
Xiangquan Deng
Shen Tong
Hui Cheng
Mengyuan Qin
Lei Zheng
Kun Zhao
Ruizhan Zhai
Zhongqing Jia
Ping Qiu
Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
Journal of Innovative Optical Health Sciences
3-Photon microscopy
emission fluorescence
FM4-64
Monte Carlo
title Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
title_full Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
title_fullStr Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
title_full_unstemmed Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
title_short Comparison of the emission wavelengths by a single fluorescent dye on in vivo 3-photon imaging of mouse brains
title_sort comparison of the emission wavelengths by a single fluorescent dye on in vivo 3 photon imaging of mouse brains
topic 3-Photon microscopy
emission fluorescence
FM4-64
Monte Carlo
url https://www.worldscientific.com/doi/10.1142/S1793545823400023
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