Impedimetric Biosensors for Nano- and Microfluidics

Impedimetric Biosensors for Nano- and Microfluidics, Fig. 6 Illustration of the immobilization... 

Impedimetric Biosensors for Nano- and Microfluidics, Fig. 9 The effect of decreasing the spatial wavelength, 7, of the interdigitated microsensor electrode array, (a) Schematic illustration of X and b. (b) A plot of... 

Impedimetric Biosensors for Nano- and Microfluidics, Fig. 10 The principle of IME impedimetric detection of the antibody immobilization and the bacterial attachment, (a) Nyquist impedance spectra of the IME-based biosensor upon antibody immobilization and bacterial attachment with different number of E. coli 0157 H7 cells on their surface, a = antibodies only, b = 4.36 x 10 OTJ/ml, c = 4.36 x 10 CFUAnl, d = 4.36 x 10 CHJ/ml, and e = 4.36 x 10 CEU/ml. Data points from left to right correspond to decreasing frequency. Amplitude voltage 5 mV Electrolyte 10 mM [EefCNlg] (1 1) in 0.01 M PBS, pH 7.4. (b) The linear relationship betwetm the electron transfer resistance and logarithmic value of E. coli concentrations daived from Fig. 10a... 

Impedimetric Biosensors for Nano- and Microfluidics, Figure 3 Schematic illustration of the several steps involved in the preparation of microlitho-graphically fabricated interdigitated microsensor electrode (IME) arrays... 

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