Fluorescein-Labeled Starch Maleate Nanoparticles as Sensitive Fluorescent Sensing Probes for Metal Ions

Figure 2

FTIR spectra of (a) native sago starch, (b) maleic anhydride, (c) FITC, (d) starch maleate, and (e) fluorescein 5(6)-isothiocyanate-labeled starch maleate (FISM) nanoparticles.