Comparative Metal Ion Binding to Native and Chemically Modified Datura innoxia Immobilized Biomaterials - Biomaterials: Physics and Chemistry - page 155

50.00

40.00

30.00

20.00

10.00

0.00

-10.00

-20.00

Position

Fig. 5. Comparison of native and modified (shaded) D. innoxia matrix coefficients.

Binding Sites Coefficient Native Material Modified Material

Cd α Cd 1.07 -15.57

Ni α Ni -6.53 -1.42

Zn α Zn 1.61 8.25

CdNi β CdNi 11.74 4.59

CdZn β CdNi 8.36 9.76

NiCd β CdNi 7.76 17.16

NiZn β CdNi 10.79 -4.20

ZnCd β CdNi 7.26 0.37

ZnNi β CdNi 12.44 4.74

CdNiZn γ CdNiZn -13.07 -9.13

CdZnNi γ CdZnNi -8.85 -13.60

NiCdZn γ NiCdZn -10.67 -8.86

NiZnCd γ NiZnCd -14.11 -7.95

ZnCdNi γ ZnCdNi -7.84 -4.96

ZnNiCd γ CdNiZn -13.61 -10.19

Common δ 0 44.53 45.15

Table 8. Coefficient values for both the native and modified D. innoxia metal ion binding
sequences.

The modified biomaterial's coefficients behaved in a similar manner as the native. The single
metal coefficients for Cd 2+ and Ni 2+ were both negative (Ni 2+ slightly, Cd 2+ moderately)