Determination of Different Saccharides Concentration by Means of a Multienzymes Amperometric Biosensor

Figure 1

(a) Representation of the electrolytic cell and FIA system; (b) electric pathway for the production of biosensor response; (c) a typical signal obtained with a 0.5 mM solution of lactose, at pH 6.5 and °C, with an electrode prepared with β-gal = 6 mg/ml and GOD = 2 mg/ml; (d) schema of the enzyme immobilization process on graphite electrodes.

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