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For exploring advanced Zn‐ion batteries (ZIBs) with long lifespan and high Coulombic efficiency (CE), the critically important point is to limit the undesired Zn dendrite and parasitic reactions. Among the coating for electrode is a promising strategy, relying on the trade‐off between its thickness and stability to achieve the ultra‐stable Zn anodes in ZIBs. Herein, a submicron‐thick (≈0.4 µm) zincophilic...
The long‐term inflammatory microenvironment is one of the main obstacles to inhibit acute spinal cord injury (SCI) repair. The natural adipose tissue‐derived extracellular matrix hydrogel shows effective anti‐inflammatory regulation because of its unique protein components. However, the rapid degradation rate and removal of functional proteins during the decellularization process impair the lasting...
Oxygen Evolution Reaction
In article number 2307069, Zhisheng Wu, Zhi Fang, Qing Shi, and co‐workers report a simple and fast strategy to promote self reconstruction of NiFe‐layered double hydroxides and form highly active NiFeOOH centers. The trace Zn dopants have been introduced in advance, followed by leaching over the electrochemical activation process. The self‐restructured NiFeOOH‐VZn exhibits...
Optimizing the active centers through reconstruction is recognized as the key to construct high‐performance oxygen evolution reaction (OER) catalysts. Herein, a simple and rapid in situ leaching strategy to promote the self‐reconstruction of NiFe‐layered double hydroxides (LDHs) catalysts is reported. The trace Zn dopants are introduced in advance by a facile and one‐step hydrothermal method, followed...
Nanoscale drug carriers play a crucial role in reducing side effects of chemotherapy drugs. However, the mononuclear phagocyte system (MPS) and the drug protonation after nanoparticles (NPs) burst release still limit the drug delivery efficiency. In this work, a self‐disguised Nanospy is designed to overcome this problem. The Nanospy is composed of: i) poly (lactic‐co‐glycolic acid)‐polyethylene glycol...
Supported alloy catalysts play a pivotal role in many heterogeneous catalytic processes of socioeconomic and environmental importance. But the controlled synthesis of supported alloy nanoparticles with consistent composition and tight size distribution remains a challenging issue. Herein, a simple yet effective method for preparation of highly dispersed, homogeneously alloyed bimetallic nanoparticles...
In article number 1804421, Qiang Huang, Tatsuo Arai, and co‐workers report a multifunctional noncontact micromanipulation method using whirling flow generated by vibrating a single piezo actuator, which is capable of immobilization, transportation and rotation of objects in microscale. It can be a powerful tool in micro‐assembly, 3D observation of biological objects and operation of egg cells.
A noncontact method that can achieve immobilization, transportation, and rotation in the microscale is desired in biological micromanipulation. A multifunctional noncontact micromanipulation method is proposed here based on a vibration‐generated whirling flow. Resonance of a cantilever structure is utilized to extend the straight vibration of a single piezo actuator to the 2D circular vibration of...
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