Abstract
A simple flow-injection chemiluminescence method with synergistic enhancement has been investigated for the rapid and sensitive determination of antipsychotic risperidone. The synergistic action was significant in the chemiluminescence system of luminol—hydrogen peroxide with risperidone as an enhancer. The increased chemiluminescence intensity was correlated with risperidone concentration within the range from 10 pg mL−1 to 1.0 ng mL−1 with relative standard deviations lower than 5.0 % and the detection limit of 4 pg mL−1. At a flow rate of 2.0 mL min−1, the flow-injection chemiluminescence method exhibited both a high sensitivity and excellent selectivity giving a throughput of 120 times per hour. The proposed method was successfully applied to determine the risperidone content in human urine without any pretreatment. It was found that the excretive amounts of risperidone reached their maximum after taking 2.0 mg of risperidone for 1 h, with a total excretive ratio of 17.37 % in 8.5 h.
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© 2006 Institute of Chemistry, Slovak Academy of Sciences
Artikel in diesem Heft
- Influence of medium on the kinetics of oxidation of iron(II) ion with t-butyl hydroperoxide
- Synthesis of new thiazolo[2,3-b]pyrimidine derivatives of pharmaceutical interest
- Enthalpic analysis of the CaTiSiO5 system
- Kinetic, spectrophotometric determination of nanogram levels of manganese(II) using catalytic azo dye—potassium periodate—1,10-phenanthroline system
- Application of a ternary complex of tungsten(VI) with 4-nitrocatechol and thiazolyl blue for extraction-spectrophotometric determination of tungsten
- Determination of risperidone at picogram level in human urine by luminol—H2O2 chemiluminescence
- Electrochemical dissolution of chalcopyrite studied by voltammetry of immobilized microparticles
- Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients
- Structure of tetrakis(pyridinioacetate) neodymium(III) tetrahydrate perchlorate
- Thermally stable oligomer—Metal complexes based on oligo-ortho-aminophenol and oligophenylazomethinephenol
- Adsorption of SO2 on alumina
- One-pot, three-component synthesis of secondary amines and trisubstituted hydrazines from ketones
- Synthesis of α,α′-bis(R-benzylidene)cycloalkanones catalyzed by potassium hydrogen sulfate under solvent-free conditions
- Electrical conductivity of the molten KF—K2TaF7 system
- New substituted mono-and bis(imidazolyl)pyridines and their application in nitroaldolisation reaction
Artikel in diesem Heft
- Influence of medium on the kinetics of oxidation of iron(II) ion with t-butyl hydroperoxide
- Synthesis of new thiazolo[2,3-b]pyrimidine derivatives of pharmaceutical interest
- Enthalpic analysis of the CaTiSiO5 system
- Kinetic, spectrophotometric determination of nanogram levels of manganese(II) using catalytic azo dye—potassium periodate—1,10-phenanthroline system
- Application of a ternary complex of tungsten(VI) with 4-nitrocatechol and thiazolyl blue for extraction-spectrophotometric determination of tungsten
- Determination of risperidone at picogram level in human urine by luminol—H2O2 chemiluminescence
- Electrochemical dissolution of chalcopyrite studied by voltammetry of immobilized microparticles
- Colon tissue concentrations of copper, iron, selenium, and zinc in colorectal carcinoma patients
- Structure of tetrakis(pyridinioacetate) neodymium(III) tetrahydrate perchlorate
- Thermally stable oligomer—Metal complexes based on oligo-ortho-aminophenol and oligophenylazomethinephenol
- Adsorption of SO2 on alumina
- One-pot, three-component synthesis of secondary amines and trisubstituted hydrazines from ketones
- Synthesis of α,α′-bis(R-benzylidene)cycloalkanones catalyzed by potassium hydrogen sulfate under solvent-free conditions
- Electrical conductivity of the molten KF—K2TaF7 system
- New substituted mono-and bis(imidazolyl)pyridines and their application in nitroaldolisation reaction