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Related Concept Videos

High-Performance Liquid Chromatography: Instrumentation00:57

High-Performance Liquid Chromatography: Instrumentation

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High-performance liquid chromatography, or HPLC, is an analytical technique that separates liquid samples under high pressures. An HPLC instrument consists of glass bottles for storing solvents called mobile phase reservoirs. HPLC-grade solvents are used to maintain high purity, and the dissolved gases are removed using a degasser, such as a vacuum pumping system or sparging with helium. The solvents are then pumped into the analytical column using a screw-driven syringe or reciprocating pumps.
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High-Performance Liquid Chromatography: Introduction01:11

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High-performance liquid chromatography(HPLC), formerly referred to as High-pressure liquid chromatography, is a powerful technique used to separate, identify, and quantify components in complex mixtures. The term "high pressure" refers to using high pressure to push the liquid mobile phase through the tightly packed columns.
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Gas Chromatography–Mass Spectrometry (GC–MS)01:14

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Gas chromatography–mass spectrometry (GC–MS) is the combination of analytical techniques of gas chromatography and mass spectrometry in a single instrument for analyzing a mixture of compounds. The gas chromatograph separates the compounds in the mixture, and the mass spectrometer analyzes each compound separately to determine the molecular masses and molecular structures.
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Updated: Jun 14, 2025

High-throughput and Comprehensive Drug Surveillance Using Multisegment Injection-Capillary Electrophoresis-Mass Spectrometry
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Microbore-based vacuum jacketed liquid chromatography for fast, efficient and sustainable high throughput

Ian D Wilson1, Paul D Rainville2, Lee A Gethings3

  • 1Computational & Systems Medicine, Department of Metabolism, Digestion and Reproduction, Imperial College, Burlington Danes Building, Du Cane Road, London, W12 0NN, UK.

Journal of Chromatography. A
|August 29, 2024
PubMed
Summary

Optimizing ultra-high performance liquid chromatography-mass spectrometry (UHPLC-MS) with vacuum jacketed columns (VJC) enhances drug and metabolite analysis in biofluids. Microbore VJC offers superior performance, reduced solvent use, and cost savings for high-throughput discovery.

Keywords:
BioanalysisDrug metabolismHigh throughputMiniaturizationVacuum jacketed columns

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Area of Science:

  • Analytical Chemistry
  • Mass Spectrometry
  • Chromatography

Background:

  • Extra-column band broadening negatively impacts rapid UHPLC-MS methods.
  • Optimizing UHPLC-MS/MS by removing solvent divert valves can reduce band broadening.
  • Vacuum jacketed columns (VJC) previously showed improved performance over conventional UHPLC-MS/MS.

Purpose of the Study:

  • To compare optimized direct UHPLC-MS/MS with VJC for high-throughput (HT) bioanalysis.
  • To evaluate microbore VJC-MS/MS for HT discovery drug and metabolite analysis.
  • To assess the impact of VJC on solvent consumption and cost-efficiency.

Main Methods:

  • Direct UHPLC-MS/MS optimization by omitting solvent divert valves.
  • Comparison of VJC and direct UHPLC-MS/MS using identical short 2.1 mm i.d. columns.
  • Investigation of microbore 1 mm i.d. VJC-MS/MS for bioanalysis.

Main Results:

  • VJC demonstrated superior performance compared to direct UHPLC-MS/MS for rapid generic bioanalysis (0.25-5 min gradients).
  • Microbore VJC-MS/MS showed promise for HT discovery analysis of drugs and metabolites.
  • Microbore columns reduced solvent use by up to 90%, enhancing sustainability and cost-effectiveness.

Conclusions:

  • VJC provides superior performance for rapid bioanalysis using UHPLC-MS/MS.
  • Microbore VJC-MS/MS is a promising technique for high-throughput drug discovery and metabolite profiling.
  • VJC technology contributes to greener and more economical analytical methods.