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Related Concept Videos

High-Performance Liquid Chromatography: Introduction01:11

High-Performance Liquid Chromatography: Introduction

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.
In HPLC, two phases play a critical role in the separation process:
High-Performance Liquid Chromatography: Elution Process01:05

High-Performance Liquid Chromatography: Elution Process

In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
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High-Performance Liquid Chromatography: Instrumentation

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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Related Experiment Video

Updated: Jul 3, 2026

Fingerprinting Cardiolipin in Leukocytes by Mass Spectrometry for a Rapid Diagnosis of Barth Syndrome
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Published on: March 23, 2022

An improved method for separating cardiolipin by HPLC.

Gwendolyn Barceló-Coblijn1, Eric J Murphy

  • 1Department of Pharmacology, Physiology, and Therapeutics, School of Medicine and Health Sciences, University of North Dakota, 501 N. Columbia Road, Room 3700, Grand Forks, ND, 58202-9037, USA.

Lipids
|July 19, 2008
PubMed
Summary
This summary is machine-generated.

This study presents an improved method for separating cardiolipin (Ptd(2)Gro) from tissue lipid extracts using HPLC. The new technique offers better resolution and quantification of cardiolipin in small samples.

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Published on: November 23, 2016

Area of Science:

  • Lipidomics
  • Biochemistry
  • Analytical Chemistry

Background:

  • Cardiolipin (Ptd(2)Gro) is a vital phospholipid in mitochondrial membranes.
  • Accurate separation and quantification of Ptd(2)Gro are crucial for understanding cellular function and disease.
  • Existing methods like thin-layer chromatography (TLC) can be variable and lack precision for small samples.

Purpose of the Study:

  • To develop and validate an improved method for the separation and quantification of cardiolipin (Ptd(2)Gro) from complex biological samples.
  • To enhance the resolution of Ptd(2)Gro from other phospholipids in tissue lipid extracts.
  • To provide a reliable method for analyzing Ptd(2)Gro in small tissue samples.

Main Methods:

  • Utilized a biphasic solvent system with high-performance liquid chromatography (HPLC) on a normal-phase silica column.
  • Employed two mobile phases: A (n-hexane:2-propanol, 3:2 v/v) and B (n-hexane:2-propanol:water, 56.7:37.8:5.5 v/v).
  • Analyzed non-derivatized lipid extracts from liver, heart, and brain tissues with an initial mobile phase composition of 95% A and 5% B at 1.5 mL/min flow rate.

Main Results:

  • Achieved well-defined separation of cardiolipin (Ptd(2)Gro) with a distinct peak at 31 minutes.
  • Demonstrated effective resolution of Ptd(2)Gro from ethanolamine glycerophospholipids and other phospholipids.
  • Verified the identity and purity of separated Ptd(2)Gro using thin-layer chromatography (TLC) and fatty acid analysis.

Conclusions:

  • The developed HPLC method provides superior separation and quantification of cardiolipin (Ptd(2)Gro) compared to traditional TLC methods.
  • This technique is highly effective for analyzing Ptd(2)Gro in small tissue samples, minimizing variability.
  • The improved method facilitates accurate lipidomic studies involving cardiolipin in various biological contexts.