Facile synthesis of near-infrared-excited NaYF4:Yb3+, Tm3+ nanoparticles for label-free detection of dopamine in biological fluids

A near-infraed-excited NaYF4:Yb3+, Tm3+ nanoparticle probes was synthesized by a facile route and applied for label-free detection of dopamine in biological fluids.189