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Related Experiment Videos

Electrophoretically mediated microanalysis of calcium

D H Patterson1, B J Harmon, F E Regnier

  • 1Purdue University, Department of Chemistry, West Lafayette, IN 47907-1393.

Journal of Chromatography. A
|February 25, 1994
PubMed
Summary

Electrophoretically mediated microanalysis (EMMA) offers a novel capillary electrophoresis method for calcium determination. This technique provides accurate and reliable results comparable to traditional methods.

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Area of Science:

  • Analytical Chemistry
  • Separation Science
  • Biomedical Analysis

Background:

  • Calcium determination is crucial in various scientific fields.
  • Traditional methods for calcium analysis can be time-consuming and resource-intensive.
  • Capillary electrophoresis offers a sensitive and efficient platform for chemical analysis.

Purpose of the Study:

  • To develop and validate a novel method for calcium determination using Electrophoretically Mediated Microanalysis (EMMA).
  • To assess the performance of EMMA for calcium quantification.
  • To compare EMMA with a standard bulk method for calcium analysis.

Main Methods:

  • Electrophoretically mediated microanalysis (EMMA) was employed in a capillary electrophoresis system.
  • Calcium was analyzed by electrophoretic mixing with o-cresolphthalein complexone.

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  • Product absorbance was measured at 575 nm, with quantitation using an internal standard.

    • Main Results:

    • EMMA demonstrated a linear response for calcium quantitation.
    • The relative standard deviation (R.S.D.) was determined to be 8.1%.
    • Inter-method comparison showed no significant difference compared to the standard bulk method.

    Conclusions:

    • EMMA is a viable and effective technique for the determination of calcium.
    • The EMMA method offers advantages over traditional analytical techniques for calcium analysis.
    • This study highlights the potential of EMMA in analytical and biomedical applications.