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https://www.selleckchem.com/products/Atazanavir.html ve the basic cognitive processing efficiency.The spread of severe respiratory syndrome coronavirus 2 (SARS-CoV-2) has disrupted our global society in unprecedented ways. The very front line in defense against this pandemic is molecular diagnosis, which is an exceptional representation of how chemical translational biology can benefit our lives. In this viewpoint, I emphasize the imperative demand for a simple and rapid point-of-care system in order to mediate the spread of COVID-19. I further describe how the interdisciplinary combination of chemistry and biology advances biosensing systems, which potentially lead to integrated and automated point-of-care systems capable of relieving the current pandemic.The 2D MXenes have attracted great recent attention as the electrocatalytic materials for hydrogen evolution reaction (HER). However, the activity and the modification strategy of the catalytic properties have not been firmly established yet. In this study, we performed density functional theory (DFT) calculations to investigate the stability and HER performance of functionalized Mo2 C MXene. The Pourbaix diagram indicates the fully oxidized surface is the most stable state. The oxidized Mo2 CO2 is electrically conductive, yet the surface HER activity is unsatisfactory owing to the strong first H adsorption. The doping of transition metals (TM) into the Mo lattice, however, leads to much more enhanced H adsorption and deteriorates the activity. Alternatively, the H binding can be effectively weakened and flexibly tuned by anchoring the TM atoms over the surface with appropriate coverage, and Mn/Fe decoration at 12.5 % ML (monolayer) coverage is identified as the promising candidates with close to zero Gibbs free energy of H adsorption (ΔGH* ) for the first H adsorption. The weakening effect arises from charge transfer from TM to surface O, resulting in increased occupancy and weakened O-H bonds. Furthermore, contr

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