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Electrochemical Transducers and Interpolation Functions

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Electrochemical Transducers and Interpolation Functions

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Questions and Answers

What is the relationship between Zre and Rs, Rct in the given impedance model?

Zre = Rs - Rct/2

Zre = Rs / Rct/2

Zre = Rs + Rct/2 (correct)

Zre = Rs * Rct/2

What is the significance of the Nyquist plot in impedimetric biosensors?

To analyze the impedance behavior of the electrode-electrolyte interface (correct)

To calculate the charge transfer resistance

To determine the double layer capacitance

To measure the electrolyte resistance

What is the effect of complexation of SEB with anti-SEB immobilization on the derived values?

The values change (correct)

The values increase

The values decrease

The values remain constant

What is the frequency dependence of electrical parameters measured using Bode plot?

Stable Signup and view all the answers

What is the estimated value of the electrolyte resistance?

100 Ohms Signup and view all the answers

What is the value of double layer capacitance at 125 mg/dL of LDL when excited with 100 Hz sinusoidal signal?

1/𝜔Rct Signup and view all the answers

What is the purpose of immobilization of anti-apolipoprotein B (AAB) in the given experiment?

To detect LDL Signup and view all the answers

What is the significance of Rct in the impedance model?

It represents the charge transfer resistance Signup and view all the answers

What is the reason for the difference between the experimental and estimated Nyquist plots?

Non-uniform current distribution on the electrode Signup and view all the answers

What is the application of impedimetric biosensors in the given context?