Composite Hydrogel for the Targeted Capture and Photothermal Killing of Bacteria toward Facilitating Wound Healing

Pathogenic infections pose a significant risk to public health and are regarded as one of the most difficult clinical treatment obstacles. A reliable and safe photothermal antibacterial platform is a promising technique for the treatment of bacterial infections. Given the damage that high temperatur...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 39(2023), 18 vom: 09. Mai, Seite 6413-6424
1. Verfasser: Cao, Yue (VerfasserIn)
Weitere Verfasser: Guo, Yifan, Yin, Yingzheng, Qu, Xi, Zhang, Xinyuan, Li, Shaozhi, Xu, Xiaoling, Zhou, Zuowan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Hydrogels Anti-Bacterial Agents Collagen 9007-34-5 Cellulose 9004-34-6
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245 1 0 |a Composite Hydrogel for the Targeted Capture and Photothermal Killing of Bacteria toward Facilitating Wound Healing 
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520 |a Pathogenic infections pose a significant risk to public health and are regarded as one of the most difficult clinical treatment obstacles. A reliable and safe photothermal antibacterial platform is a promising technique for the treatment of bacterial infections. Given the damage that high temperatures cause in normal tissues and cells, a multifunctional hydrogel driven by photothermal energy is created by trapping bacteria to reduce heat transfer loss and conduct low-temperature photothermal sterilization efficiently. The 3-aminobenzene boronic acid (ABA)-modified graphene oxide is combined with carboxymethyl chitosan (CMCS) and cellulose nanocrystalline (CNC) networks to create the ABA-GO/CNC/CMCS composite hydrogel (composite gel). The obtained composite gel displays a uniform three-dimensional network structure, which can be rapidly heated to 48 °C under infrared light irradiation and is beneficial for killing wound infection bacteria and promoting wound healing. The results of animal experiments show that the composite gel significantly reduces inflammation by killing >99.99% of bacteria under near-infrared light irradiation. The result also demonstrates that it increases the granulation tissue thickness and collagen distribution and promotes wound healing. After treatment for 14 days, compared with the remaining 27.73% of the remaining wound area in the control group, the wound area in the composite gel with NIR group is only 0.91%. It significantly accelerates the wound healing process of Staphylococcus aureus infection and shows great potential for clinical application 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Anti-Bacterial Agents  |2 NLM 
650 7 |a Collagen  |2 NLM 
650 7 |a 9007-34-5  |2 NLM 
650 7 |a Cellulose  |2 NLM 
650 7 |a 9004-34-6  |2 NLM 
700 1 |a Guo, Yifan  |e verfasserin  |4 aut 
700 1 |a Yin, Yingzheng  |e verfasserin  |4 aut 
700 1 |a Qu, Xi  |e verfasserin  |4 aut 
700 1 |a Zhang, Xinyuan  |e verfasserin  |4 aut 
700 1 |a Li, Shaozhi  |e verfasserin  |4 aut 
700 1 |a Xu, Xiaoling  |e verfasserin  |4 aut 
700 1 |a Zhou, Zuowan  |e verfasserin  |4 aut 
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773 1 8 |g volume:39  |g year:2023  |g number:18  |g day:09  |g month:05  |g pages:6413-6424 
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