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Theranostics 2019; 9(11):3170-3190. doi:10.7150/thno.31847 This issue Cite

Review

Polyphenol-Based Particles for Theranostics

Qiong Dai¹, Huimin Geng¹, Qun Yu¹, Jingcheng Hao^1,✉, Jiwei Cui^1,2,✉

1. Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China
2. State Key Laboratory of Microbial Technology, Shandong University, Qingdao, Shandong 266237, China

✉ Corresponding authors: E-mail: jhaoedu.cn (J.H.), jwcuiedu.cn (J.C.)

Abstract

Polyphenols, due to their high biocompatibility and wide occurrence in nature, have attracted increasing attention in the engineering of functional materials ranging from films, particles, to bulk hydrogels. Colloidal particles, such as nanogels, hollow capsules, mesoporous particles and core-shell structures, have been fabricated from polyphenols or their derivatives with a series of polymeric or biomolecular compounds through various covalent and non-covalent interactions. These particles can be designed with specific properties or functionalities, including multi-responsiveness, radical scavenging capabilities, and targeting abilities. Moreover, a range of cargos (e.g., imaging agents, anticancer drugs, therapeutic peptides or proteins, and nucleic acid fragments) can be incorporated into these particles. These cargo-loaded carriers have shown their advantages in the diagnosis and treatment of diseases, especially of cancer. In this review, we summarize the assembly of polyphenol-based particles, including polydopamine (PDA) particles, metal-phenolic network (MPN)-based particles, and polymer-phenol particles, and their potential biomedical applications in various diagnostic and therapeutic applications.

Keywords: polydopamine particles, metal-phenolic networks, self-assembly, diagnosis, drug delivery

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