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Comparison of partial least-square method and canonical correlation analysis in a quantitative structure-retention
1Central Research Institute for Chemistry, Hungarian Academy of Sciences, Budapest, Hungary.
Journal of Biochemical and Biophysical Methods
|August 26, 1998
Summary
This study investigated the retention of tetrazolium salts on alumina and reversed-phase alumina using different eluents. Results show retention is a mix of hydrophobic, electronic, and steric factors, with methods yielding varied but significant correlations.
Area of Science:
- Analytical Chemistry
- Chromatography
Background:
- Tetrazolium salts are crucial in biochemical assays.
- Understanding their chromatographic behavior is essential for accurate analysis.
Purpose of the Study:
- To determine the retention of monotetrazolium and ditetrazolium salts on alumina and RP alumina.
- To correlate chromatographic retention with solute physicochemical properties.
Main Methods:
- Utilized alumina and reversed-phase (RP) alumina stationary phases.
- Employed n-hexane-1-propanol and water-1-propanol eluents.
- Applied canonical correlation and partial least-square regression analyses.
Main Results:
- Calculated retention capacity and specific surface area of solutes.
- Identified significant relationships between chromatographic and physicochemical parameters.
- Observed discrepancies in results between the two statistical methods.
Conclusions:
- Retention on both stationary phases is of mixed character.
- Hydrophobic, electronic, and steric parameters equally influence tetrazolium salt retention.
- Method choice impacts the elucidation of structure-retention relationships.