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Intelligent response agarose/chitosan hydrogel wound dressing: Synergistic chemotherapy, PDT and PTT effects against bacterial infection.
Int J Biol Macromol
January 2025
College of Pharmacy, Guangxi University of Chinese Medicine, Nanning, China. Electronic address:
Bacterial infections impede skin wound healing, and antibacterial hydrogels have garnered significant attention in the field of wound care due to their combined therapeutic effects. In this study, an intelligent, responsive AC-Gel@Cur-Au hydrogel was developed using temperature-sensitive agarose and pH-responsive chitosan as the structural framework, infused with Gel@Cur and AuNR. The AC-Gel@Cur-Au hydrogels demonstrated excellent mechanical properties, swelling capacity, tissue adhesion, and biodegradability.
View Article and Find Full Text PDFLeveraging the nanotopography of filamentous fungal chitin-glucan nano/microfibrous spheres (FNS) coated with collagen (type I) for scaffolded fibroblast spheroids in regenerative medicine.
Tissue Cell
January 2025
School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, 280 Daehak-Ro, Gyeongsan, Gyeongbuk 38541, Republic of Korea. Electronic address:
Numerous naturally occurring biological structures have inspired the development of innovative biomaterials for a wide range of applications. Notably, the nanotopographical architectures found in natural materials have been leveraged in biomaterial design to enhance cell adhesion and proliferation and improve tissue regeneration for biomedical applications. In this study, we fabricated three-dimensional (3D) chitin-glucan micro/nanofibrous fungal-based spheres coated with collagen (type I) to mimic the native extracellular matrix (ECM) microenvironment.
View Article and Find Full Text PDFPhysicochemically Cross-linked Injectable Hydrogel: an Adhesive Skin Substitute for Burned Wound Therapy.
ACS Appl Bio Mater
January 2025
Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
Burns carry a large surface area, varying in shapes and depths, and an elevated risk of infection. Regardless of the underlying etiology, burns pose significant medical challenges and a high mortality rate. Given the limitations of current therapies, tissue-engineering-based treatments for burns are inevitable.
View Article and Find Full Text PDFDialysis and lyophilization of the mesenchymal stromal cell secretome for wound healing.
Cytotherapy
January 2025
Regenerative Medicine Laboratory, Dr. D. Y. Patil Dental College and Hospital, Dr. D. Y. Patil Vidyapeeth, Pimpri, Pune 411018, India.
Background Aims: The clinical translation of mesenchymal stromal cell secretome (MSC-S) has been challenging owing to a lack of appropriate methods in downstream processing. Dialysis is an age-old method of protein purification by the exchange of small molecules through a semi-permeable membrane. In this study, we investigated the potential of three forms of umbilical cord-derived MSC secretome (UC-MSC-S)-native (S), dialyzed (DS), and lyophilized (LDS)-for wound healing applications.
View Article and Find Full Text PDFMultiple crosslinked, self-healing, and shape-adaptable hydrogel laden with pain-relieving chitosan@borneol nanoparticles for infected burn wound healing.
Theranostics
January 2025
Department of Radiology, Functional and Molecular Imaging Key Lab of Shaanxi Province, Tangdu Hospital, Air Force Medical University, Xi'an, 710038, Shaanxi, China.
Next-generation wound dressings with multiple biological functions hold promise for addressing the complications and pain associated with burn wounds. A hydrogel wound dressing loaded with a pain-relieving drug was developed for treating infected burn wounds. Polyvinyl alcohol chemically grafted with gallic acid (PVA-GA), sodium alginate chemically grafted with 3-aminobenzeneboronic acid (SA-PBA), Zn, and chitosan-coated borneol nanoparticles with anti-inflammatory and pain-relieving activities were combined to afford a nanoparticle-loaded hydrogel with a PVA-GA/Zn/SA-PBA network crosslinked via multiple physicochemical interactions.
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