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Acetamide‐ or formamide‐assisted in situ strategy is designed to synthesize carbon atom self‐doped g‐C3N4 (AHCNx) or nitrogen vacancy‐modified g‐C3N4 (FHCNx). Different from the direct copolymerization route that suffers from the problem of mismatched physical properties of acetamide (or formamide) with urea, the synthesis of AHCNx (or FHCNx) starts from a crucial preorganization step of acetamide...
Bone repair in real time is a challenging medical issue for elderly patients; this is mainly because aged bone marrow mesenchymal stem cells (BMSCs) possess limited osteogenesis potential and repair capacity. In this study, triboelectric stimulation technology is used to achieve bone repair via mechanosensation of Piezo1 by fabricating a wearable pulsed triboelectric nanogenerator (WP‐TENG) driven...
Wearable Pulsed Triboelectric Nanogenerators
In article number 2201056, Zhen Wen, Cao Yang, Yue Pan, and co‐workers fabricate a wearable pulsed triboelectric nanogenerator driven by human body movement, the triboelectric stimulation of which could reinforce osteogenesis of bone marrow mesenchymal stem cells (BMSCs) and promote angiogenesis of human umbilical vein endothelial cells by rejuvenating...
Many methods have been reported for synthesizing graphene oxide (GO) and graphene oxide quantum dots (GOQDs) where a tedious operational procedure and long reaction time are generally required. Herein, a facile one‐pot solvothermal method that allows selective synthesis of pure GO and pure GOQDs, respectively is demonstrated. What is more, the final product of either GO or differently sized GOQDs...
In article number 1601001, Ling Huang, Wei Huang, and co‐workers, report a temperature‐controlled facile one‐pot solvothermal method that allows selective synthesis of either pure graphene oxide, pure carbon dots, or pure graphene oxide quantum dots (GOQDs) using graphite as a starting material. The size of carbon dots (50–2.5 nm) can be precisely tuned by adjusting the reactants ratios. In addition,...
Tunable plasmonic platforms are important for a variety of applications such as photovoltaics, LED's, optoelectronics, medical research, and biosensors. In particular, development of label‐free plasmonic biosensors is one of the key research areas that utilizes plasmonic nanostructures for detection of biologically relevant molecules at low concentrations. The authors have developed a cost‐effective,...
A dense array of fused silica nanocylinders is achieved using lithography‐free reactive ion etching, as presented by A. H. Thilsted and co‐workers on page 6745. Varying the etching parameters allows for control of the height and diameter of the nanocylinders. A subsequent gold deposition results in suspended gold nanorings at the tops of the nanocylinders that exhibit localized surface plasmon resonance...
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