Issue 5, 2024

Strategies for utilizing covalent organic frameworks as host materials for the integration and delivery of bioactives

Abstract

Covalent organic frameworks (COFs), a new and developing class of porous framework materials, are considered a type of promising carrier for the integration and delivery of bioactives, which have diverse fascinating merits, such as a large specific surface area, designable and specific porosity, stable and orderly framework structure, and various active sites. However, owing to the significant differences among bioactives (including drugs, proteins, nucleic acid, and exosomes), such as size, structure, and physicochemical properties, the interaction between COFs and bioactives also varies. In this review, we firstly summarize three strategies for the construction of single or hybrid COF-based matrices for the delivery of cargos, including encapsulation, covalent binding, and coordination bonding. Besides, their smart response release behaviors are also categorized. Subsequently, the applications of cargo@COF biocomposites in biomedicine are comprehensively summarized, including tumor therapy, central nervous system (CNS) modulation, biomarker analysis, bioimaging, and anti-bacterial therapy. Finally, the challenges and opportunities in this field are briefly discussed.

Graphical abstract: Strategies for utilizing covalent organic frameworks as host materials for the integration and delivery of bioactives

Article information

Article type
Review Article
Submitted
17 Sept. 2023
Accepted
01 Dec. 2023
First published
19 Dec. 2023

Mater. Horiz., 2024,11, 1126-1151

Strategies for utilizing covalent organic frameworks as host materials for the integration and delivery of bioactives

L. He, L. Wang, Z. He, C. H. Pang, B. Tang, A. Wu and J. Li, Mater. Horiz., 2024, 11, 1126 DOI: 10.1039/D3MH01492D

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