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240716s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405290
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|a eng
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|a Luo, Qiang
|e verfasserin
|4 aut
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| 245 |
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|a Blue Laser Triggered Hemostatic Peptide Hydrogel for Gastrointestinal Bleeding Treatment
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a Date Revised 16.07.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a In an emergency, nonvariceal upper gastrointestinal bleeding (NVUGIB), endoscopic hemostasis is considered the gold standard intervention. However, current endoscopic hemostasis is very challenging to manage bleeding in large-diameter or deep lesions highly prone to rebleeding risk. Herein, a novel hemostatic peptide hydrogel (HPH) is reported, consisting of a self-assembly peptide sequence CFLIVIGSIIVPGDGVPGDG (PFV) and gelatin methacryloyl (GelMA), which can be triggered by blue laser endoscopy (BLE) for nonvariceal upper gastrointestinal bleeding treatment without recurring bleeding concerns. Upon contact with GelMA solution, PFV immediately fibrillates into β-sheet nanofiber and solvent-induced self-assembly to form HPH gel. HPH nanofiber networks induced ultrafast coagulation by enveloping blood cells and activating platelets and coagulation factors even to the blood with coagulopathy. Besides its remarkable hemostatic performance in artery and liver injury models, HPH achieves instant bleeding management in porcine NVUGIB models within 60 s by preventing the rebleeding risk. This work demonstrates an extraordinary hemostatic agent for NVUGIB intervention by BLE for the first time, broadening potential application scenarios, including patients with coagulopathy and promising clinical prospects
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|a Journal Article
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|a NVUGIB
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|a blue laser endoscope (BLE)
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|a hemostasis
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|a hemostatic peptide hydrogel (HPH)
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|a Luo, Jie
|e verfasserin
|4 aut
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|a Luan, Zhaohui
|e verfasserin
|4 aut
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|a Xu, Kaige
|e verfasserin
|4 aut
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|a Tian, Lixing
|e verfasserin
|4 aut
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|a Zhang, Kebin
|e verfasserin
|4 aut
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|a Peng, Xue
|e verfasserin
|4 aut
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|a Yuan, Mengxue
|e verfasserin
|4 aut
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|a Zheng, Chuanhao
|e verfasserin
|4 aut
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|a Shu, Zhenzhen
|e verfasserin
|4 aut
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|a Zhang, Yuchen
|e verfasserin
|4 aut
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|a Tan, Shali
|e verfasserin
|4 aut
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|a Dan, Ruijue
|e verfasserin
|4 aut
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|a Mequanint, Kibret
|e verfasserin
|4 aut
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|a Fan, Chaoqiang
|e verfasserin
|4 aut
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|a Xing, Malcolm
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|a Yang, Shiming
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 16. Juli, Seite e2405290
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