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Photodynamic therapy (PDT) has received extensive attention as a promising cancer treatment approach. Still, challenges to in vivo photodynamic therapy have existed for decades. First, the “always on” nature of conventional photosensitizers will cause damage to normal tissues thereby limiting the treatment efficiency of PDT. Second, the hypoxic TME protects cancer stem cells (CSCs) deeply harbored...
Atomically dispersed Fe─N─C catalysts display great potential for efficient CO production in the field of electrochemical CO2 reduction (ECR), but still suffer from unsatisfactory activity limited by the slow proton and electron transfer during the ECR process. Here, a superior Fe─N─C electrocatalyst is designed by anchoring the individual FeN4 sites and Fe nanoparticles onto highly conductive carbon...