Table 1

Comparison of amino loading on the ceramic beads and glass beads

Ceramic beads

Glass beads


Fluorescein loading (μmol/g)

0.34

0.03

Diameter of bead (μm)

2

10

Density of bead (g/cc)

2.5

1.1

Numbers of -NH2 group loading per bead

4 × 106

1 × 107

Surface area on bead for each – NH2 group (Å2)

250

3000


Lu et al. BMC Chemical Biology 2005 5:3   doi:10.1186/1472-6769-5-3

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