Titania sol-gel-derived tyrosinase-based amperometric biosensor for determination of phenolic compounds in water samples. Examination of interference effects.

@article{Kochana2008TitaniaST,
  title={Titania sol-gel-derived tyrosinase-based amperometric biosensor for determination of phenolic compounds in water samples. Examination of interference effects.},
  author={Jolanta Kochana and Agnieszka Gala and Andrzej Parczewski and Jerzy Adamski},
  journal={Analytical and bioanalytical chemistry},
  year={2008},
  volume={391 4},
  pages={1275-81}
}
For detection of phenolic compounds in environmental water samples we propose an amperometric biosensor based on tyrosinase immobilized in titania sol-gel. The analytical characteristics toward catechol, p-cresol, phenol, p-chlorophenol, and p-methylcatechol were determined. The linear range for catechol determination was 2.2 x 10(-7)-1.3 x 10(-5) mol L(-1) with a limit of detection of 9 x 10(-8) mol L(-1) and sensitivity 2.0 x 10(3) mA mol(-1) L. The influence of sample matrix components on… CONTINUE READING

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