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Photocatalytic CO2 reduction to valuable fuels is a promising way to alleviate anthropogenic CO2 emissions and energy crises. Perovskite oxides have attracted widespread attention as photocatalysts for CO2 reduction by virtue of their high catalytic activity, compositional flexibility, bandgap adjustability, and good stability. In this review, the basic theory of photocatalysis and the mechanism of...
Organic ferromagnetic materials offer great promise for spintronic devices, carbon‐based chips, and quantum communications, but remain as a challenging issue due to their low saturation magnetization and/or unsustainable ferromagnetic properties. To date, magnetic ion polymers have displayed paramagnetism without exception at room‐temperature. In this study, it is reported for the first time that,...
Self‐Boosting Vaccination
In article number 2207892, Xiang Gao, Bo Liu, Jing Gao, and co‐workers propose a pulsatile antigen released core‐shell microparticle namely LbL/MPs to achieve self‐boosting vaccination after single‐injection and to simulate multi‐injection immunization. LbL/MPs show multiple antigen release characteristics and can effectively induce immune response. The core‐shell microstructure...
Vaccination is among the most effective ways to prevent infectious diseases. Subunit vaccines are safe but usually require multiple booster shots, which may lead to immunity loss and economic consume. In this study, a self‐boosting vaccine is developed based on the pulsatile release of antigen from the core–shell microparticle after single‐injection immunization. Self‐healing technology applied to...
A pressure sensor based on irregular microhump patterns has been proposed and developed. The devices show high sensitivity and broad operating pressure regime while comparing with regular micropattern devices. Finite element analysis (FEA) is utilized to confirm the sensing mechanism and predict the performance of the pressure sensor based on the microhump structures. Silicon carbide sandpaper is...
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