Abstract
A new promising mimetic peroxidase, iron-tetrasulfonatophthalocyanine (FeTSPC), has been synthesized and applied to the determination of hydrogen peroxide based on its catalytic effect on the oxidation of p-hydroxyphenylpropionic acid (p-HPPA). Under optimum conditions, the calibration graph has a linear range of 0.0 x 10-6 - 3.6 x 10-6 mol/l hydrogen peroxide with a detection limit of 1.3 x 10-8 mol/l in a 30 min reaction period. Application of the system to the determination of glucose shows a linear range 0.0 x 10-6 - 6.0 x 10-6 mol/l and a detection limit of 3.1 x 10-8 mol/l. The feasibility of FeTSPC as a new mimetic peroxidase in practical clinical analysis has been proven in the determination of glucose in human serum.
| Original language | English |
|---|---|
| Pages (from-to) | 175-182 |
| Number of pages | 8 |
| Journal | Analytica Chimica Acta |
| Volume | 381 |
| Issue number | 2-3 |
| DOIs | |
| State | Published - Feb 16 1999 |
Keywords
- Fluorimetry
- Hydrogen peroxide determination
- Iron-tetrasulfonatophthalocyanine
- Mimetic enzyme
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