Facile Method for Preparation of Silica Coated Monodisperse Superparamagnetic Microspheres

Figure 6

Chemical composition and bioapplication of silica coated magnetized PS-DVB-SO₃H microbeads. EDX data of (a) PS-DVB-SO₃H, (b) magnetized PS-DVB-SO₃H, and (c) silica coated magnetized PS-DVB-SO₃H microbeads. Fluorescent images of silica coated magnetized PS-DVB-SO₃H microbeads without (d) and with (e) streptavidin-FITC. (f) Nonspecific adsorption of streptavidin-FITC to silica coated magnetized PS-DVB-SO₃H beads.

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