Figure 8From: Highly selective fluorescent chemosensor for Zn2+ derived from inorganic-organic hybrid magnetic core/shell Fe3O4@SiO2 nanoparticlesFluorescence titrations and Job's plot. (A) Fluorescence titrations of DTH-Fe3O4@SiO2 with Zn2+. (B) Job's plot of DTH-APTES with Zn2+. Spectra were recorded every 25 min after adding Zn2+.Back to article page