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A major issue with Li‐O2 batteries is their slow oxygen reduction and evolution kinetics, necessitating catalysts with high catalytic activity to improve reaction kinetics and cycle stability. Herein, a nano‐heterostructured catalyst composed of Co3O4 and Fe2O3 (Co3O4/Fe2O3) with a porous rod morphology is achieved through an interfacial engineering strategy by constructing Fe2O3 on the Co3O4 surface,...
Cancer Stem Cells
In article number 2200364, Zhuo Xiong and co‐workers report that 3D bioprinted GelMA‐nanoclay hybrid hydrogels can induce and enrich colorectal cancer stem cells (CSCs) by promoting the formation of spheroids by activating Wnt/β‐catenin signaling. These spheroids can be isolated easily and are promising CSC enrichment models with increased stemness, high consistency, yield and efficiency...
Cancer stem cells (CSCs) are a rare cell population in tumors that are responsible for tumor recurrence and metastasis. They are a priority as therapeutic targets, however, assays targeting CSCs have been limited by expanding and maintaining CSCs in vitro. Here, the authors find that gelatin methacryloyl (GelMA)‐nanoclay hybrid hydrogels can induce and enrich colorectal CSCs assisted by three‐dimensional...
Nanomeshes with highly regular, permeable pores in plane, combining the exceptional porous architectures with intrinsic properties of 2D materials, have attracted increasing attention in recent years. Herein, a series of 2D ultrathin metal–organic nanomeshes with ordered mesopores is obtained by a self‐assembly method, including metal phosphate and metal phosphonate. The resultant mesoporous ferric...
Highly efficient and stable bifunctional electrocatalysts for oxygen reduction and evolution are essential for aqueous rechargeable Zn–air batteries, which require highly active sites as well as delicate structural design for increasing effective active sites and facilitating mass/electron transfer. Herein, a scalable and facile self‐catalyzed growth strategy is developed to integrate highly active...
Reactive oxygen species (ROS) generated during photodynamic therapy (PDT) can trigger autophagy. However, little research is focused on whether there is a synergistic anticancer effect with PDT if extra autophagy promoter or inhibitor is added. Here, it is found that autophagy promotion significantly enhances the PDT activity to cancer cells. Based on this preliminary result, a ROS‐sensitive self‐assembled...
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