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Facile synthesis of soybean phospholipid-encapsulated MoS2 nanosheets for efficient in vitro and in vivo photothermal regression of breast tumor

Authors Li X, Gong Y, Zhou X, Jin H, Yan H, Wang S, Liu J

Received 13 January 2016

Accepted for publication 7 March 2016

Published 29 April 2016 Volume 2016:11 Pages 1819—1833


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Lei Yang

Xiang Li,1 Yun Gong,2,3 Xiaoqian Zhou,1 Hui Jin,1 Huanhuan Yan,1 Shige Wang,2 Jun Liu1

1Department of Breast-Thyroid Surgery, Shanghai General Hospital of Nanjing Medical University, Shanghai, People’s Republic of China; 2College of Science, University of Shanghai for Science and Technology, 3Shanghai Publishing and Printing College, Shanghai, People’s Republic of China

Abstract: Two-dimensional MoS2 nanosheet has been extensively explored as a photothermal agent for tumor regression; however, its surface modification remains a great challenge. Herein, as an alternative to surface polyethylene glycol modification (PEGylation), a facile approach based on “thin-film” strategy has been proposed for the first time to produce soybean phospholipid-encapsulated MoS2 (SP-MoS2) nanosheets. By simply vacuum-treating MoS2 nanosheets/soybean phospholipid/chloroform dispersion in a rotary evaporator, SP-MoS2 nanosheet was successfully constructed. Owing to the steric hindrance of polymer chains, the surface-coated soybean phospholipid endowed MoS2 nanosheets with excellent colloidal stability. Without showing detectable in vitro and in vivo hemolysis, coagulation, and cyto-/histotoxicity, the constructed SP-MoS2 nanosheets showed good photothermal conversion performance and photothermal stability. SP-MoS2 nanosheet was shown to be a promising platform for in vitro and in vivo breast tumor photothermal therapy. The produced SP-MoS2 nanosheets featured low cost, simple fabrication, and good in vivo hemo-/histocompatibility and hold promising potential for future clinical tumor therapy.

Keywords: soybean phospholipid, MoS2 nanosheets, in vivo, photothermal regression, breast tumor

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