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Separation techniques for bile salts analysis

A Roda1, F Piazza, M Baraldini

  • 1Dipartimento di Scienze Farmaceutiche, Università degli Studi di Bologna, Italy.

Journal of Chromatography. B, Biomedical Sciences and Applications
|December 1, 1998
PubMed
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Analyzing bile salts in biological samples is challenging due to complexity and low concentrations. This review discusses advanced instrumental techniques for sensitive and accurate bile salt analysis, improving upon previous methods.

Area of Science:

  • Biochemistry
  • Analytical Chemistry

Background:

  • Bile salt analysis in biological samples like plasma and urine is difficult due to their complex nature and low concentrations.
  • Accurate and sensitive methods are crucial for understanding bile salt importance.

Purpose of the Study:

  • To review and discuss various instrumental techniques for bile salt analysis.
  • To compare techniques based on analytical performance, sample applicability, and limitations.

Main Methods:

  • Thin-layer chromatography (TLC)
  • Gas chromatography (GC)
  • High-performance liquid chromatography (HPLC)
  • Supercritical fluid chromatography (SFC)
  • Gas chromatography-mass spectrometry (GC-MS)
  • Capillary electrophoresis (CE)

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  • Liquid chromatography coupled with mass spectrometry (LC-MS)

    • Main Results:

    • Various techniques offer different levels of specificity, accuracy, and simplicity.
    • Recent advances have improved the ability to analyze bile salts, including uncommon derivatives.
    • LC-MS is a continuously improving method for bile salt analysis.

    Conclusions:

    • The review provides a comparative analysis of current instrumental techniques for bile salt determination.
    • Understanding the strengths and limitations of each method aids in selecting the appropriate analytical approach.
    • Advances in instrumental analysis enhance the identification of diverse bile salt structures.