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Bioresponsive upconversion nanostructure for combinatorial bioimaging and chemo-photothermal synergistic therapy
Xu J.; Han W.; Jia T.; Dong S.; Bi H.; Yang D.; He F.; Dai Y.; Gai S.; Yang P.
2018-06-15
Source PublicationChemical Engineering Journal
ISSN13858947
Volume342Pages:446-457
Abstract

Inventing a tumor-responsive theranostic nanoconstruct shows great potential for improving the therapeutic outcome on cancer. Herein, a facile in situ growth strategy based on polyoxometalate (POM) integrated with the mesoporous silica coated upconversion nanoparticles (UCNPs@mSiO) has been developed. The product was named as USP, and can be triggered by 808 nm light for cancer theranostic. The POM is ultra-sensitive to the intratumoral acidity and reducibility, which enables the photothermal conversion of 808 nm photon for photothermal therapy (PTT). The POM endows the nanostructure highly hydrophilic surface, which is very significant for in vivo application. Need to point out, the photothermal conversion ability of POM enhances the inner temperature of doxorubicin (DOX)-loaded USP (USP-DOX), realizing a bioresponsiveness and NIR photon co-enhanced chemo-photothermal therapy. The POM can also obviate the DOX leakage in normal tissues while accelerate DOX release in tumor tissues under NIR irradiation. Significantly, the POM endows the nanomedicine self-assemble property in acidic tumor microenvironment, which is highly beneficial for enhancing intratumoral accumulation. Highly effective anticancer therapy of the developed USP-DOX has been validated by the in vitro and in vivo assays. The Gd/Nd/Yb/Er co-doped UCNPs ensure the nanosystem MRI/CT/UCL imaging functions, thus achieving the integration of therapy and diagnosis.

KeywordBioresponsiveness Chemo-photothermal Imaging In Situ Growth Upconversion
DOI10.1016/j.cej.2018.02.109
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Environmental ; Engineering, Chemical
WOS IDWOS:000440404800045
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Citation statistics
Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
AffiliationHarbin Engineering University
Recommended Citation
GB/T 7714
Xu J.,Han W.,Jia T.,et al. Bioresponsive upconversion nanostructure for combinatorial bioimaging and chemo-photothermal synergistic therapy[J]. Chemical Engineering Journal,2018,342:446-457.
APA Xu J..,Han W..,Jia T..,Dong S..,Bi H..,...&Yang P..(2018).Bioresponsive upconversion nanostructure for combinatorial bioimaging and chemo-photothermal synergistic therapy.Chemical Engineering Journal,342,446-457.
MLA Xu J.,et al."Bioresponsive upconversion nanostructure for combinatorial bioimaging and chemo-photothermal synergistic therapy".Chemical Engineering Journal 342(2018):446-457.
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