Photodynamic therapy (PDT) has been extensively investigated for decades for tumor treatment because of its non-invasiveness, spatiotemporal selectivity, lower side-effects, and immune activation ability.

We report blue-emitting ultrathin B nanosheets with good biocompatibility and photostability characteristics, which can be applied for bioimaging.

Tumor vaccines are a promising form of cancer immunotherapy, but difficulties, such as neo-antigen identification, activation of immune cells, and tumor infiltration prevent their clinical breakthrough. Interestingly, nanotechnology-based photothermal therapy...

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