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Recent advances in covalent organic frameworks (COFs) for wound healing and antimicrobial applications

Journal

RSC ADVANCES
Volume 13, Issue 12, Pages 8136-8152

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d2ra07194k

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Covalent organic frameworks (COFs) are crystal-like organic structures that can be prepared from pre-designed construction block precursors, and they have been widely studied for various applications such as sensing/imaging, cancer theranostics, drug delivery, tissue engineering, wound healing, and antimicrobials. COFs have desirable properties such as harmonious pore size, enduring porosity, thermal stability, and low density, and they can be functionalized with various groups to provide desired constituents. Recent advancements in the applications of COF-based systems against bacterial infections and for wound healing are discussed, focusing on challenges and future guidelines.
Covalent organic frameworks (COFs) are crystal-like organic structures such as cartography buildings prepared from appropriately pre-designed construction block precursors. Moreover, after the expansion of the first COF in 2005, numerous researchers have been developing different materials for versatile applications such as sensing/imaging, cancer theranostics, drug delivery, tissue engineering, wound healing, and antimicrobials. COFs have harmonious pore size, enduring porosity, thermal stability, and low density. In addition, a wide variety of functional groups could be implanted during their construction to provide desired constituents, including antibodies and enzymes. The reticular organic frameworks comprising porous hybrid materials connected via a covalent bond have been studied for improving wound healing and dressing applications due to their long-standing antibacterial properties. Several COF-based systems have been planned for controlled drug delivery with wound healing purposes, targeting drugs to efficiently inhibit the growth of pathogenic microorganisms at the wound spot. In addition, COFs can be deployed for combinational therapy using photodynamic and photothermal antibacterial therapy along with drug delivery for healing chronic wounds and bacterial infections. Herein, the most recent advancements pertaining to the applications of COF-based systems against bacterial infections and for wound healing are considered, concentrating on challenges and future guidelines.

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