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240512s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202404297
|2 doi
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|a pubmed24n1482.xml
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|a (NLM)38734972
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|a eng
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| 100 |
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|a Wang, Zhuoya
|e verfasserin
|4 aut
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|a The Unprecedented Biodegradable Polyzwitterion
|b A Removal-Free Patch for Accelerating Infected Diabetic Wound Healing
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|c 2024
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|a Text
|b txt
|2 rdacontent
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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 25.07.2024
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|a Date Revised 25.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Zwitterionic polymers have emerged as an important class of biomaterials to construct wound dressings and antifouling coatings over the past decade due to their excellent hydrophilicity. However, all the reported zwitterionic polymers as wound dressings are nondegradable because of noncleavable carbon─carbon bonding backbones, and must be removed periodically after treatment to avoid hypoxia in the wound, thus leading to potential secondary injury. In this work, a biodegradable polyzwitterion patch is fabricated for the first time by ring-opening polymerization of carboxybetaine dithiolane (CBDS), which is self-crosslinked via inter-amide hydrogen bonds and zwitterionic dipole-dipole interactions on the side chains. The unprecedented polyCBDS (PCBDS) patch demonstrates enough ductility owing to the intermolecular physical interactions to fully cover irregular wounds, also showing excellent biodegradability and antifouling performance resulted from the existence of disulfide bonds and carboxybetaine groups. Besides, the PCBDS degradation-induced released CBDS owns potent antioxidant and antibacterial activities. This PCBDS patch is used as a diabetic wound dressing, inhibiting bacterial adhesion on the external surface, and its degradation products can exactly kill bacteria and scavenge excessive reactive oxygen species (ROS) at the wound site to regulate local microenvironment, including regulation of cytokine express and macrophage polarization, accelerating infected diabetic wound repair, and also avoiding the potential secondary injury
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|a Journal Article
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|a antibacterial
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|a antioxidant
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|a degradable
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|a removal‐free
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|a zwitterion
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|a Anti-Bacterial Agents
|2 NLM
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|a Biocompatible Materials
|2 NLM
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|a Polymers
|2 NLM
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|a Reactive Oxygen Species
|2 NLM
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|a Antioxidants
|2 NLM
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|a Betaine
|2 NLM
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| 650 |
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|a 3SCV180C9W
|2 NLM
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| 700 |
1 |
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|a Chen, Danyang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Hongying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bao, Siyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lang, Liping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Chunyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Haotian
|e verfasserin
|4 aut
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| 700 |
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|a Yang, Jianhai
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Wenguang
|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 36(2024), 30 vom: 06. Juli, Seite e2404297
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:30
|g day:06
|g month:07
|g pages:e2404297
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202404297
|3 Volltext
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