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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207961
|2 doi
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|a pubmed24n1158.xml
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|a (DE-627)NLM347543138
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|a (NLM)36239263
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|a DE-627
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|e rakwb
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|a eng
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|a Zhu, Wanbo
|e verfasserin
|4 aut
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|a Photothermal Nanozyme-Based Microneedle Patch against Refractory Bacterial Biofilm Infection via Iron-Actuated Janus Ion Therapy
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 26.12.2022
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|a Date Revised 26.12.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Owing to high antibiotic resistance and thermotolerance, bacterial biofilm infections (BBIs) are refractory to elimination. Iron is essential for bacterial growth and metabolism, and bacteria can thus accumulate iron from surrounding cells to maintain biofilm formation and survival. Consequently, iron deficiency in the biofilm microenvironment (BME) leads to the functional failure of innate immune cells. Herein, a novel antibiofilm strategy of iron-actuated Janus ion therapy (IJIT) is proposed to regulate iron metabolism in both bacterial biofilm and immune cells. A BME-responsive photothermal microneedle patch (FGOMN) is synthesized by the growth of Fe3 O4 nanoparticles on graphene oxide nanosheets and then encapsulated in methacrylated hyaluronic acid needle tips. The catalytic product of ·OH by FGO@MN in BME disrupts the bacterial heat-shock proteins, coercing biofilm thermal sensitization. As synergistic mild photothermal treatment triggers iron uptake, the intracellular iron overload further induces ferroptosis-like death. Moreover, iron-nourished neutrophils around BME can be rejuvenated for reactivating the suppressed antibiofilm function. Thus, more than 95% BBIs elimination can be achieved by combining heat stress-triggered iron interference with iron-nutrient immune reactivation. Furthermore, in vivo experiments validate the scavenging of refractory BBI after 15 days, suggesting the promising perspective of IJIT in future clinical application
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|a Journal Article
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|a bacterial biofilm infections
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|a ferroptosis
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|a immune regulation
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|a ion therapy
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|a nanozyme-based microneedle patches
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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| 650 |
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|a Anti-Bacterial Agents
|2 NLM
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| 700 |
1 |
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|a Mei, Jiawei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xianzuo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xu, Dongdong
|e verfasserin
|4 aut
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| 700 |
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|a Su, Zheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Shiyuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jiaxing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Xianlong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Chen
|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), 51 vom: 02. Dez., Seite e2207961
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:51
|g day:02
|g month:12
|g pages:e2207961
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|u http://dx.doi.org/10.1002/adma.202207961
|3 Volltext
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