Table 1 Cumulative CHX release for specimens with differing levels of nanoparticle substitution at each of 5 time points

0.01 (0.003)^a

0.01 (0.02)^a

0.11 (0.06)^a

0.12 (0.07)^a

0.16 (0.08)^a

0.16 (0.08)^{a, b}

0.20 (0.09)^{a, b}

0.48 (0.15)^{a, b}

0.56 (0.16)^{a, b}

0.65 (0.17)^{a, b}

0.66 (0.18)^b

0.70 (0.19)^b

1.04 (0.21)^b

1.17 (0.22)^b

1.30 (0.24)^b

1.30 (0.24)^c

1.39 (0.25)^c

2.03 (0.34)^c

2.30 (0.36)^c

2.51 (0.38)^c

2.52 (0.38)^d

2.65 (0.40)^d

3.40 (0.43)^d

3.73 (0.44)^d

4.01 (0.45)^d

4.02 (0.48)^e

4.20 (0.50)^e

5.09 (0.55)^e

5.46 (0.59)^e

5.94 (0.67)^e