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Self‐assembled nanostructures based on biomolecules (e.g., proteins and amino acids) and metal ions have promising applications in mimicking the nanostructure, properties, and functions of natural enzymes. Herein, a metal ion‐mediated self‐assembly method for constructing catalytically active Cu‐wool‐keratin (CuWK) two‐dimensional nanozymes is presented. Specifically, by introducing copper ions as...
In article number 2004129, Dongfang Zhou, Youhui Lin, and co‐workers firstly demonstrate that N‐rich carbonized silk fibroin material can serve as efficient peroxidase and oxidase mimics. Silk fibroin itself is inert, while its enzyme‐like activities are triggered by high‐temperature carbonization. By combination of its excellent photothermal conversion efficiency, the silk‐derived artificial enzyme...
Herein, it is demonstrated that N‐rich carbonized silk fibroin materials (CSFs) can serve as efficient peroxidase, and oxidase mimics. Their enzyme‐like activities are highly dependent on carbonization conditions. CSFs obtained at low temperatures do not exhibit significant catalytic reactivity, while their enzyme‐like catalysis performance is greatly activated after high‐temperature treatment. Such...
In article number 1802709, Jean‐Philippe Pellois, Hong‐Cai Zhou, and co‐workers uncover a series of metal‐organic cages as novel and superior cargo delivery scaffolds that target subcellular compartments, such as the nucleus, cytoplasm, and membrane, within a living cell. Through manipulation of the overall charge and surface affinity of the cages, the “nano‐bio” interactions between several cellular...
Understanding the key factors for successful subcellular compartment targeting for cargo delivery systems is of great interest in a variety of fields such as bionanotechnology, cell biology, and nanotherapies. However, the fundamental basis for intracellular transportation with these systems has thus far rarely been discussed. As a cargo vector, porous coordination cages (PCCs) have great potential...
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