Issue 24, 2023

Progress in the preparation of Prussian blue-based nanomaterials for biomedical applications

Abstract

Prussian blue (PB) is composed of the coordination network of Fe2+–C[triple bond, length as m-dash]N–Fe3+ mixed valence state as a classic metal complex, which includes a C atom and Fe2+ (low spin), N atom and Fe3+ (high spin). PB and its analogues (PBA) have excellent biosafety, good magnetic properties, outstanding photothermal properties and the ability to mimic enzymatic behaviors due to their stable structure, tunable size, controllable morphology, abundant modification methods and excellent physicochemical properties. They have received increasing research interest and have shown promising applications in the biomedical field. Here, progress in the preparation of PB-based nanomaterials for biomedical applications is summarized and discussed. The preparation strategies, traditional synthesis and emerging preparation methods of PB are summarized systematically in this review. The design and preparation of PBA, PB(PBA)-based hollow structures and PB(PBA)-based composites are also included. While introducing the preparation status, some PB-based nanomaterials that have performed well in specific biomedical fields are emphasized. More importantly, the key factors and future development of PB for the clinical translation as multifunctional nanomaterials are also discussed. This review provides a reference for the design and biomedical application of PB-based nanomaterials.

Graphical abstract: Progress in the preparation of Prussian blue-based nanomaterials for biomedical applications

Article information

Article type
Review Article
Submitted
30 nov 2022
Accepted
19 jan 2023
First published
25 jan 2023

J. Mater. Chem. B, 2023,11, 5272-5300

Progress in the preparation of Prussian blue-based nanomaterials for biomedical applications

K. Lu, X. Zhu, Y. Li and N. Gu, J. Mater. Chem. B, 2023, 11, 5272 DOI: 10.1039/D2TB02617A

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