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Recent developments in liquid chromatography--impact on qualitative and quantitative performance.

Davy Guillarme1, Dao T-T Nguyen, Serge Rudaz

  • 1Laboratory of Analytical Pharmaceutical Chemistry, School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Geneva 4, Switzerland.

Journal of Chromatography. A
|November 30, 2006
PubMed
Summary

This study compares fast liquid chromatography (LC) techniques, including monolithic supports, high temperature LC, and sub-2 micrometer particles with high pressure (UPLC). UPLC showed promise, but other methods also offer significant time reduction (up to 8x) with comparable performance to conventional LC.

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Area of Science:

  • Analytical Chemistry
  • Chromatography

Background:

  • Conventional liquid chromatography (LC) faces challenges in reducing analysis time while maintaining efficiency.
  • Several advanced LC approaches are being explored to overcome these limitations.

Purpose of the Study:

  • To qualitatively and quantitatively compare the chromatographic performance of conventional LC with monolithic supports, high temperature LC, and sub-2 micrometer particle columns under high pressure (UPLC).
  • To evaluate time reduction, efficiency improvement, and pressure constraints of these fast LC methods.

Main Methods:

  • Qualitative analysis using Knox curves and kinetic plots to assess chromatographic performance.
  • Quantitative evaluation through validation of a pharmaceutical formulation (Rapidocaïne) according to SFSTP 2003 guidelines.
  • Comparison of sub-2 micrometer particle columns under high pressure (UPLC), monolithic supports, and high temperature LC (up to 90°C).

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Main Results:

  • Columns packed with sub-2 micrometer particles under high-pressure conditions (UPLC) are well-adapted and offer an attractive alternative to conventional LC.
  • Monolithic supports and high temperature LC are also viable alternatives and should not be neglected.
  • Fast LC approaches demonstrated equivalent trueness, precision, and accuracy to conventional LC.
  • Significant time reductions of up to 8x were achieved with the investigated fast LC methodologies.

Conclusions:

  • Fast LC techniques, particularly UPLC, provide significant advantages in reducing analysis time (up to 8x) without compromising chromatographic performance.
  • Monolithic supports and high temperature LC are also effective strategies for accelerating LC analyses.
  • These advanced methods offer efficient and validated alternatives to conventional LC for pharmaceutical analysis.