NaBiF${}_4$: Er${}^{3+}$, Yb${}^{3+}$ upconversion particle as a multi-functional bio-marker

Atanu Ghosh, Krishna Kumari Swain, Agniva Das +6

Lanthanide-doped upconversion particles (UCPs) have revolutionized optical bioimaging platforms because of their excellent photostability, non-toxicity, and utilization of near-inf…