Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties

Rapid and effective healing of irregular wounds caused by burns, lacerations, and blast injuries remains a persistent challenge in wound care. Hydrogel microsphere dressings that can adaptively fill and adhere to the wounds without external force are desired to treat irregular wounds, providing an e...

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Main Authors: Zhan Xu, Yuqian Cui, Weiguo Tian, Feifei Sun, Jun Zhang
Format: Article
Language:English
Published: Wiley-VCH 2024-02-01
Series:Small Science
Subjects:
Online Access:https://doi.org/10.1002/smsc.202300216
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author Zhan Xu
Yuqian Cui
Weiguo Tian
Feifei Sun
Jun Zhang
author_facet Zhan Xu
Yuqian Cui
Weiguo Tian
Feifei Sun
Jun Zhang
author_sort Zhan Xu
collection DOAJ
description Rapid and effective healing of irregular wounds caused by burns, lacerations, and blast injuries remains a persistent challenge in wound care. Hydrogel microsphere dressings that can adaptively fill and adhere to the wounds without external force are desired to treat irregular wounds, providing an external barrier and accelerating healing. Herein, we created multifunctional cellulose‐based surface‐wrinkled microspheres with antioxidant, antibacterial, hygroscopicity, wet‐adhesion and shape‐adaptive capabilities to relieve inflammation, bacteria and excess exudate situations in healing irregular wounds. This dressing rapidly adsorbs exudate and reversibly adheres wetly to the wounds upon being filled, effectively inhibiting bacterial infection and reducing the flooded exudate to accelerate wound healing. Polydopamine (PDA) provides catechol‐based tissue bioadhesion to microspheres through π–π stacking or hydrogen bond interaction, and also establishes a bond bridge with an antimicrobial component (thymol), which not only enables the microspheres to stably adhere to the wound to maintain hygroscopicity, but also improves the release of the introduced antimicrobial component (thymol). In vivo assays, as well as histopathological and immunofluorescence studies have shown that multifunctional cellulose‐based microspheres have excellent pro‐healing abilities and are promising candidates for dehumidification and healing of irregular wound in clinical applications.
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spelling doaj.art-9dbb6fe7aab44d429a152c3bdaaa368c2024-02-15T05:52:51ZengWiley-VCHSmall Science2688-40462024-02-0142n/an/a10.1002/smsc.202300216Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial PropertiesZhan Xu0Yuqian Cui1Weiguo Tian2Feifei Sun3Jun Zhang4Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Engineering Plastics Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 ChinaBeijing National Laboratory for Molecular Sciences CAS Key Laboratory of Engineering Plastics Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 ChinaBeijing National Laboratory for Molecular Sciences CAS Key Laboratory of Engineering Plastics Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 ChinaCAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety CAS Center for Excellence in Nanoscience National Center for Nanoscience and Technology Beijing 100190 ChinaBeijing National Laboratory for Molecular Sciences CAS Key Laboratory of Engineering Plastics Institute of Chemistry Chinese Academy of Sciences (CAS) Beijing 100190 ChinaRapid and effective healing of irregular wounds caused by burns, lacerations, and blast injuries remains a persistent challenge in wound care. Hydrogel microsphere dressings that can adaptively fill and adhere to the wounds without external force are desired to treat irregular wounds, providing an external barrier and accelerating healing. Herein, we created multifunctional cellulose‐based surface‐wrinkled microspheres with antioxidant, antibacterial, hygroscopicity, wet‐adhesion and shape‐adaptive capabilities to relieve inflammation, bacteria and excess exudate situations in healing irregular wounds. This dressing rapidly adsorbs exudate and reversibly adheres wetly to the wounds upon being filled, effectively inhibiting bacterial infection and reducing the flooded exudate to accelerate wound healing. Polydopamine (PDA) provides catechol‐based tissue bioadhesion to microspheres through π–π stacking or hydrogen bond interaction, and also establishes a bond bridge with an antimicrobial component (thymol), which not only enables the microspheres to stably adhere to the wound to maintain hygroscopicity, but also improves the release of the introduced antimicrobial component (thymol). In vivo assays, as well as histopathological and immunofluorescence studies have shown that multifunctional cellulose‐based microspheres have excellent pro‐healing abilities and are promising candidates for dehumidification and healing of irregular wound in clinical applications.https://doi.org/10.1002/smsc.202300216antibacterialdressinghygroscopicitymicrospherewound healing
spellingShingle Zhan Xu
Yuqian Cui
Weiguo Tian
Feifei Sun
Jun Zhang
Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
Small Science
antibacterial
dressing
hygroscopicity
microsphere
wound healing
title Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
title_full Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
title_fullStr Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
title_full_unstemmed Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
title_short Surface Wrinkled Microsphere Enhanced Irregular Wound Healing Through Synergistic Hygroscopicity, Reversible Wet‐Adhesion and Antibacterial Properties
title_sort surface wrinkled microsphere enhanced irregular wound healing through synergistic hygroscopicity reversible wet adhesion and antibacterial properties
topic antibacterial
dressing
hygroscopicity
microsphere
wound healing
url https://doi.org/10.1002/smsc.202300216
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