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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202201978
|2 doi
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|a pubmed24n1137.xml
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|a (DE-627)NLM341291692
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|a (NLM)35606680
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Zhang, Sidi
|e verfasserin
|4 aut
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|a An NIR-II Photothermally Triggered "Oxygen Bomb" for Hypoxic Tumor Programmed Cascade Therapy
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 22.07.2022
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|a Date Revised 22.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Hypoxia, as a characteristic feature of solid tumors, has a close relationship with tumor resistance to photodynamic therapy (PDT) and chemotherapy. Perfluorocarbon (PFC) is reported to relieve hypoxic in solid tumors by acting as an oxygen carrier via several nanostructures. However, the oxygen delivery process is mostly driven by a concentration gradient, which is uncontrollable. Herein, a photothermally controlled "oxygen bomb" PSPP-Au980 -D is designed by encapsulating a PFC core within a functionalized bilayer polymer shell. Near-infrared second window photothermal agent gold nanorods with excellent photo-to-heat energy-conversion ability are fabricated on the surface of the polymer shell via an innovative modified two-step seedless ex situ growth process to thermally trigger O2 release. Then, a programmed cascade therapy strategy is customized for hypoxic orthotopic pancreatic cancer. First, PSPP-Au980 -D is irradiated by a 980 nm laser to photothermally trigger O2 infusing into the hypoxic tumor microenvironment, which is accompanied by local hyperemia and doxorubicin release. Subsequently, a 680 nm laser is used to generate singlet oxygen in the oxygenated tumor microenvironment for PDT. This choreographed programmed cascade therapy strategy will provide a new route for suppressing hypoxic tumor growth under mild conditions based on controllable and effective oxygen release
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|a Journal Article
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|a oxygen burst release
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|a polymer-based composites
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|a programmed cascade therapy
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|a second near-infrared photothermal treatment
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|a Photosensitizing Agents
|2 NLM
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|a Polymers
|2 NLM
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
1 |
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|a Li, Zhenhua
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Qingbing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Qian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Feng, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fuyou
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 34(2022), 29 vom: 05. Juli, Seite e2201978
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2022
|g number:29
|g day:05
|g month:07
|g pages:e2201978
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|u http://dx.doi.org/10.1002/adma.202201978
|3 Volltext
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