Fig. 1. Schematics for fabricating of fluorescent labeled bi-compartmental particles via the micromolding method.
Fig. 3. (a) The confocal microscope image of the hydrophilic part labeled by nile blue acrylamide (NBAM) at 638 nm laser. (b) The confocal microscope image of the hydrophobic part labeled by fluorescein o-acrylate (FA) at 488 nm laser. (c) The merged images of (a) and (b). (d) Measurement of fluorescence intensity of bi-compartmental particles along the white dotted line of the inserted image. Scale bars are 50 μm.
Fig. 5. Long-term fluorescence stability of bi-compartmental particles containing fluorescein o-acrylate (FA) and nile blue acrylamide (NBAM).
Fig. 2. (a) Chemical structures of fluorescent dyes. (b) Excitation and emission spectra of fluorescein o-acrylate (FA), nile blue acrylamide (NBAM).
Fig. 4.Water contact angle measurements of the hydrophilic film without nile blue acrylamide (NBAM), the hydrophilic film with nile blue acrylamide (NBAM), the hydrophobic film without fluorescein o-acrylate (FA), and the hydrophobic film with fluorescein o-acrylate (FA).
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