table of contents 
This study intends to investigate the role of reaction kinetics and mass …
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Table 1
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Material constants and kinetic parameters used in the simulation [15]
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Parameter
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Value
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k0
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Standard rate constant
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1.5 × 10-3 (m/s)
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εB
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Association factor
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2.6
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α
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Charge transfer coefficient
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0.5
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T
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Absolute temperature
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298 (K)
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μ
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Viscosity
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1.1 (cP)
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VA
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Molar volume
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0.1176 (m3/mol)
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rp
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Pore radius
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200 × 10-9 (m)
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L
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Pore length
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5 × 10-6 (m)
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k
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Surface reaction rate constant
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5 × 10-4, 5 × 10-5, 5 × 10-7 (m/s)
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MB
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Molecular weight of water
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18
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R
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Gas constant
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8.31 (J/K. mol)
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F
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Faraday constant
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9.648 × 104 (C/mol)
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DF
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Diffusivity of ferro- and ferri-cyanide
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8 ×10-10m2/s
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Anandan et al. Journal of Biological Engineering 2007 1:5 doi:10.1186/1754-1611-1-5
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Table 2
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The roughness ratio, detection sensitivity, Imax and Km obtained from experiments
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Specimen
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Roughness Ratio
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Sensitivity of bare electrodes to K4Fe(CN)6 (μA·mM-1·cm-2)
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Sensitivity of functionalize electrodes to glucose (μA·mM-1·cm-2)
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Imax glucose (μA)
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Km glucose (mM)
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Flat
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1.0
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19.30
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0.27
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1.34
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24.8
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Nano A
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20.0
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41.40
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0.91
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5.06
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29.3
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Nano B
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38.8
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41.05
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1.80
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10.1
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32.6
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Nano C
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63.4
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41.70
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3.13
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23.0
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52.0
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Anandan et al. Journal of Biological Engineering 2007 1:5 doi:10.1186/1754-1611-1-5
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Table 3
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Steady-state amperometric current density obtained at different rate constants from computer simulation
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Reaction rate constant (m/s)
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Current Density (mA·cm-2)
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Nano
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Flat
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Nano/Flat
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5 × 10-4 for K4Fe(CN)6
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279.51
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219.18
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1.28
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5 × 10-5 for glucose
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39.1
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12.0
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3.26
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5 × 10-7 for glucose
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3.25
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0.146
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22.26
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Anandan et al. Journal of Biological Engineering 2007 1:5 doi:10.1186/1754-1611-1-5
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