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Efficient Oxygen Reduction
In article number 2205283, Lei Zhang, Xueliang Sun, Xiangzhong Ren, and co‐workers leverage single‐atom Fe‐N‐C as a model system and report an adjacent Ru‐N4 moiety modulation effect to optimize the catalyst's electronic configuration and oxygen reduction reaction (ORR) performance. The resultant FeN4/RuN4 catalyst shows excellent ORR performance with a halfwave potential...
Single‐atom catalysts based on metal–N4 moieties and embedded in a graphite matrix (defined as MNC) are promising for oxygen reduction reaction (ORR). However, the performance of MNC catalysts is still far from satisfactory due to their imperfect adsorption energy to oxygen species. Herein, single‐atom FeNC is leveraged as a model system and report an adjacent Ru‐N4 moiety modulation effect...
Microfluidic hemodialysis techniques have recently attracted great attention in the treatment of kidney disease due to their advantages of portability and wearability as well as their great potential for replacing clinical hospital‐centered blood purification with continuous in‐home hemodialysis. This Review summarizes the recent progress in microfluidic devices for hemodialysis. First, the history...
In article number 1900030, Jingxin Meng, Shutao Wang, and co‐workers prepare non‐adhesive templates with defined geometries by laser etching, which can be used to controllably organize 3D cellular aggregates in vitro. The self‐organization of cells from simple to complex aggregates reveals the synergistic effect of multiscale topography from confined templates at the macroscale and cell interactions...
Self‐organization is a fundamental and indispensable process in a living system. To understand cell behavior in vivo such as tumorigenesis, 3D cellular aggregates, instead of 2D cellular sheets, have been employed as a vivid in vitro model for self‐organization. However, most focus on the macroscale wetting and fusion of cellular aggregates. In this study, it is reported that self‐organization of...
Fast and highly efficient enrichment and separation of glycoproteins is essential in many biological applications, but the lack of materials with high capture capacity, fast, and efficient enrichment/separation makes it a challenge. Here, a temperature‐responsive core cross‐linked star (CCS) polymer with boronate affinity is reported for fast and efficient enriching and separating of glycoproteins...
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