Binding of the Same Analyte to Different Biosensor Surfaces - Biosensors and Biosensor Kinetics - page 145

100

80

60

40

20

0

0 5 10 15 20

Time (min)

Figure 6.7
Binding of glucose in solution to a neodymium hexacyanoferrate (NDHCF) nanoparticle (NP) on a
glucose/chitosan-modified glass carbon electrode (GCE) biosensor ( Sheng et al., 2008 ).

Table 6.5a: Binding rate coefficients for glucose in solution to two different biosensor surfaces

Analyte in solution/
Receptor on surface k k 1 k 2 References

SAME as in Table
6.5b

5.212 1.285 4.459 0.761 46.857 1.666 Sheng et al. (2008)

29.942 1.193 na na Lee et al. (2008)

27.987 0.042 na na Lee et al. (2008)

25.107 0.362 na na Lee et al. (2008)

Table 6.5b: Fractal dimensions for glucose in solution to two different biosensor surfaces.

Analyte in Solution/Receptor
on Surface D f D f1 D f2 References

Glucose/neodymium-
Hexacyanoferrate Nanoparticle
on the glucose oxidase/chitosan-
modified glass carbon electrode

1.078 0.1702 0.772 0.1786 2.604 0.0196 Sheng et al.

(2008)

53 mM glucose/electroless-
plated Au/Ni/copper low
electrical resistance electrode

2.880 0.01630 na na Lee et al.

(2008)

27 mM glucose/electroless-
plated Au/Ni/copper low
electrical resistance electrode

2.9788 0.00376 na na Lee et al.

(2008)

21 mM glucose/electroless-
plated Au/Ni/copper low
electrical resistance electrode

3.0 - 0.0364 na na Lee et al.

(2008)