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Adsorptive stripping voltammetry applied to drug analysis: a powerful tool
J C Vire1, J M Kauffmann, G J Patriarche
1Free University of Brussels (ULB), Pharmaceutical Institute, Belgium.
Journal of Pharmaceutical and Biomedical Analysis
|January 1, 1989
Summary
Adsorptive stripping voltammetry offers a sensitive method for analyzing complex samples like biological fluids. Strategies are discussed to overcome interferences and enhance selectivity, particularly with modified electrodes.
Area of Science:
- Electrochemistry
- Analytical Chemistry
Background:
- Adsorptive stripping voltammetry (ASV) is a highly sensitive electrochemical technique.
- Analysis of complex matrices like biological fluids presents significant challenges due to potential interferences.
Purpose of the Study:
- To review the principles and instrumentation of adsorptive stripping voltammetry.
- To describe the advantages of ASV in analytical applications.
- To discuss methods for overcoming interferences in complex media analysis using ASV.
Main Methods:
- Review of adsorptive stripping voltammetry principles and instrumentation.
- Discussion of interference mitigation strategies.
- Exploration of modified electrodes for enhanced selectivity.
Main Results:
- ASV provides high sensitivity for trace analysis.
- Interferences are a common issue in complex samples.
- Various approaches, including modified electrodes, can effectively manage interferences.
Conclusions:
- Adsorptive stripping voltammetry is a powerful tool for analyzing biological fluids.
- Careful method development is crucial to address interferences.
- Modified electrodes show promise for improving selectivity in ASV.