Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site

Abstract Photoacoustic technology in combination with molecular imaging is a highly effective method for accurately diagnosing brain glioma. For glioma detection at a deeper site, contrast agents with higher photoacoustic imaging sensitivity are needed. Herein, we report a MoS2–ICG hybrid with indoc...

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Main Authors: Chengbo Liu, Jingqin Chen, Ying Zhu, Xiaojing Gong, Rongqin Zheng, Ningbo Chen, Dong Chen, Huixiang Yan, Peng Zhang, Hairong Zheng, Zonghai Sheng, Liang Song
Format: Article
Language:English
Published: SpringerOpen 2018-04-01
Series:Nano-Micro Letters
Subjects:
Online Access:http://link.springer.com/article/10.1007/s40820-018-0202-8
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record_format Article
collection DOAJ
language English
format Article
sources DOAJ
author Chengbo Liu
Jingqin Chen
Ying Zhu
Xiaojing Gong
Rongqin Zheng
Ningbo Chen
Dong Chen
Huixiang Yan
Peng Zhang
Hairong Zheng
Zonghai Sheng
Liang Song
spellingShingle Chengbo Liu
Jingqin Chen
Ying Zhu
Xiaojing Gong
Rongqin Zheng
Ningbo Chen
Dong Chen
Huixiang Yan
Peng Zhang
Hairong Zheng
Zonghai Sheng
Liang Song
Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
Nano-Micro Letters
MoS2–ICG hybrid
Orthotopic brain glioma
Photoacoustic imaging
Molecular imaging
author_facet Chengbo Liu
Jingqin Chen
Ying Zhu
Xiaojing Gong
Rongqin Zheng
Ningbo Chen
Dong Chen
Huixiang Yan
Peng Zhang
Hairong Zheng
Zonghai Sheng
Liang Song
author_sort Chengbo Liu
title Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
title_short Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
title_full Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
title_fullStr Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
title_full_unstemmed Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep Site
title_sort highly sensitive mos2–indocyanine green hybrid for photoacoustic imaging of orthotopic brain glioma at deep site
publisher SpringerOpen
series Nano-Micro Letters
issn 2311-6706
2150-5551
publishDate 2018-04-01
description Abstract Photoacoustic technology in combination with molecular imaging is a highly effective method for accurately diagnosing brain glioma. For glioma detection at a deeper site, contrast agents with higher photoacoustic imaging sensitivity are needed. Herein, we report a MoS2–ICG hybrid with indocyanine green (ICG) conjugated to the surface of MoS2 nanosheets. The hybrid significantly enhanced photoacoustic imaging sensitivity compared to MoS2 nanosheets. This conjugation results in remarkably high optical absorbance across a broad near-infrared spectrum, redshifting of the ICG absorption peak and photothermal/photoacoustic conversion efficiency enhancement of ICG. A tumor mass of 3.5 mm beneath the mouse scalp was clearly visualized by using MoS2–ICG as a contrast agent for the in vivo photoacoustic imaging of orthotopic glioma, which is nearly twofold deeper than the tumors imaged in our previous report using MoS2 nanosheet. Thus, combined with its good stability and high biocompatibility, the MoS2–ICG hybrid developed in this study has a great potential for high-efficiency tumor molecular imaging in translational medicine.
topic MoS2–ICG hybrid
Orthotopic brain glioma
Photoacoustic imaging
Molecular imaging
url http://link.springer.com/article/10.1007/s40820-018-0202-8
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spelling doaj-97294eea76ca451693a01103569765522020-11-24T20:41:26ZengSpringerOpenNano-Micro Letters2311-67062150-55512018-04-0110311210.1007/s40820-018-0202-8Highly Sensitive MoS2–Indocyanine Green Hybrid for Photoacoustic Imaging of Orthotopic Brain Glioma at Deep SiteChengbo Liu0Jingqin Chen1Ying Zhu2Xiaojing Gong3Rongqin Zheng4Ningbo Chen5Dong Chen6Huixiang Yan7Peng Zhang8Hairong Zheng9Zonghai Sheng10Liang Song11Research Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesDepartment of Medical Ultrasound, The Third Affiliated Hospital of Sun Yat-Sen UniversityResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesTranslational Medicine R&D Center, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesPaul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesPaul C. Lauterbur Research Center for Biomedical Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesResearch Laboratory for Biomedical Optics and Molecular Imaging, Shenzhen Key Laboratory for Molecular Imaging, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of SciencesAbstract Photoacoustic technology in combination with molecular imaging is a highly effective method for accurately diagnosing brain glioma. For glioma detection at a deeper site, contrast agents with higher photoacoustic imaging sensitivity are needed. Herein, we report a MoS2–ICG hybrid with indocyanine green (ICG) conjugated to the surface of MoS2 nanosheets. The hybrid significantly enhanced photoacoustic imaging sensitivity compared to MoS2 nanosheets. This conjugation results in remarkably high optical absorbance across a broad near-infrared spectrum, redshifting of the ICG absorption peak and photothermal/photoacoustic conversion efficiency enhancement of ICG. A tumor mass of 3.5 mm beneath the mouse scalp was clearly visualized by using MoS2–ICG as a contrast agent for the in vivo photoacoustic imaging of orthotopic glioma, which is nearly twofold deeper than the tumors imaged in our previous report using MoS2 nanosheet. Thus, combined with its good stability and high biocompatibility, the MoS2–ICG hybrid developed in this study has a great potential for high-efficiency tumor molecular imaging in translational medicine.http://link.springer.com/article/10.1007/s40820-018-0202-8MoS2–ICG hybridOrthotopic brain gliomaPhotoacoustic imagingMolecular imaging