Glucose OxidaseGlucose OxidaseElectrochemically Sensing Electrochemically Sensing
GlucoseGlucoseOrOr
How Far Can You Throw an How Far Can You Throw an Electron?Electron?
SensorsSensors
Soluble Mediators
•Ferrocenes
•Quinones
•Ruthenium amines
•Ferricyanide (?)
•Hexacyanoruthenate
Modifiers
•Electrode
•4,4’-bipyridine
•Enzyme
•Heller’s Wired Systems
Ni[Ru(CN)Ni[Ru(CN)66]]2-/1-2-/1- CME CME
R1
CPE
R2
€
Y * ω( ) =YO iω( )n
YO ≈ Cdl
Double Layer Analysis
Analytic Glucose Detection
€
kET ≈1013 exp −β d − 3( )( )exp −ΔGo + λ( )
2
4RTλ
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