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May 13, 2026Analytical Chemistry0 citationsOpen Access

Forward–Backward-Flushing Valve-Assisted Selectivity Tuning (FBF-VAST) for LC × LC: Principles and Demonstration of a Modulation Mechanism

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PCPattraporn ChobpraditKHKenji HamaseSVSornkanok Vimolmangkang

Key Points

  • To demonstrate a novel modulation mechanism for enhanced chromatographic selectivity in LC × LC systems.
  • Utilization of Forward–Backward-Flushing Valve-Assisted Selectivity Tuning
  • Demonstration of the modulation mechanism in a laboratory setting
  • Evaluation of D-column cleaning process
  • Improved robustness and column life through effective cleaning
  • Enhanced control over chromatographic selectivity
  • Demonstration of long-term stability in chromatographic performance

Abstract

D-column cleaning, which may extend column life and improve robustness. This cost-effective and tunable LC × LC strategy offers enhanced control over chromatographic selectivity and long-term stability, all within a simplified instrumental design.

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Cite This Study

Chobpradit et al. (2026) studied this question.

synapsesocial.com/papers/6a03cc1b1c527af8f1ecffebhttps://doi.org/10.1021/acs.analchem.5c08280
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