Discussed a method for measuring phenols with a maltodextrin modified amprometric biosensor based on tyrosinase carbon paste electrode. When the working potential was -100 mV (vs.SCE),pH was 5 40 in the phosphate buffer solution and the time for measurement was 2 min,the detection limit was 1 0×10 -7 mol/L and the linear range was 2 0×10 -7 ～5 0×10 -5 mol/L. This method was also suitable for detection of catechol, o cresol and para chlorophenol, etc. This electrode could be applied to mo...
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