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author:

Ge, X. (Ge, X..) [1] | Fu, Q. (Fu, Q..) [2] | Su, L. (Su, L..) [3] | Li, Z. (Li, Z..) [4] | Zhang, W. (Zhang, W..) [5] | Chen, T. (Chen, T..) [6] | Yang, H. (Yang, H..) [7] | Song, J. (Song, J..) [8]

Indexed by:

Scopus

Abstract:

Fluorescence (FL) and photoacoustic (PA) imaging in the second near infrared window (NIR-II FL and NIR-II PA) hold great promise for biomedical applications because of their non-invasive nature and excellent spatial resolution properties. Methods: We develop a NIR-II PA and NIR-II FL dual-mode imaging gold nanorod vesicles (AuNR Ves) by self-assembly of amphiphilic AuNR coated with light responsive polyprodrug of Ru-complex and PEG, and NIR-II cyanine dye (IR 1061). The AuNR Ves showed strong ligh absorption property and PA imaging performance in the NIR-II windows. Moreover, the NIR-II fluorescence signal of IR 1061 loaded in the AuNR Ve is quenched. Results: The AuNR Ves can release photosensitizer Ru-complex and IR 1061 sequentially triggered by NIR light irradiation, leading to a corresponding NIR-II PA signal decrease and NIR-II FL signal recovery. Meanwhile, Ru-complex can not only serve as a chemotherapeutic drug but also generate singlet oxygen (1O2) under NIR light irradiation. The release of Ru-complex and photodynamic therapy are guided by the responsive variation of NIR-II PA and NIR-II FL signals. Conclusions: The AuNR Ve possessing not only precisely control 1O2/drug release but also the intrinsic ability to monitor therapy process offers a new strategy for the development of smart theranostic nanoplatform. © The author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/). See http://ivyspring.com/terms for full terms and conditions.

Keyword:

Fluorescence imaging; Gold nanorod vesicle; Metallodrugs; Photoacoustic imaging; Second near infrared window

Community:

  • [ 1 ] [Ge, X.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Fu, Q.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 3 ] [Su, L.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 4 ] [Li, Z.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 5 ] [Zhang, W.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 6 ] [Chen, T.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 7 ] [Yang, H.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Song, J.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou University, Fuzhou, 350108, China

Reprint 's Address:

  • [Song, J.]MOE key Laboratory for Analytical Science of Food Safety and Biology, College of Chemistry, Fuzhou UniversityChina

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Source :

Theranostics

ISSN: 1838-7640

Year: 2020

Issue: 11

Volume: 10

Page: 4809-4821

1 1 . 5 5 6

JCR@2020

1 2 . 4 0 0

JCR@2023

ESI HC Threshold:142

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 66

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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