Progress on the design of diverse gatekeepers for mesoporous silica nanoparticle based drug delivery systems is summarized.

A review of recent applications of carbon nanomaterials in fluorescence biosensing and bioimaging.

The first “off–on” and ratiometric fluorescent method based on ICT mechanism for picric acid (PA) recognition in the near infrared region was constructed. Key advantages of the unique molecular architecture can fulfil the ratiometric response to electron-deficient featured PA which inclines to quench fluorescence of all reported sensors for PA.

Recent achievements of MnO₂-based nanosystems for various cancer therapies are comprehensively reviewed.