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Related Concept Videos

Thin-Layer Chromatography (TLC): Overview01:11

Thin-Layer Chromatography (TLC): Overview

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Thin-layer chromatography (TLC) is a chromatography technique that separates compounds based on their polarity. TLC typically uses polar silica gel, a form of silicon dioxide, as the stationary phase. The silica gel contains hydroxyl (OH) groups on its surface, which form hydrogen bonds with polar compounds, influencing their adhesion to the stationary phase.
To begin the analysis, a mixture of compounds is spotted on the starting line on the TLC plate using a thin capillary. The bottom of the...
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High-Performance Liquid Chromatography: Introduction01:11

High-Performance Liquid Chromatography: Introduction

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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.
In HPLC, two phases play a critical role in the separation process:
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Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

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Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
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Chromatography: Introduction01:10

Chromatography: Introduction

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Chromatography is a technique used to separate compounds based on differences of partitioning between two phases, the stationary phase and the mobile phase.
The phase in which the compounds linger or on which the compounds adsorb is called the stationary phase, whereas the mobile phase is the solvent that carries the solutes to be analyzed. In traditional column chromatography, the mixture flows through the stationary phase, and the compounds partition between the stationary and mobile phases...
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Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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Chromatographic Methods: Classification01:12

Chromatographic Methods: Classification

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Chromatographic techniques are classified in three ways: the classification is based on the physical state of the stationary and mobile phases, how the mobile phase and the stationary phase contact each other, or through the chemical or physical processes that isolate the components of the sample. Typically, the mobile phase is either a liquid or gas, while the stationary phase is either a solid or a liquid layer applied to a solid surface.
Chromatographic techniques are typically named by...
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Related Experiment Video

Updated: Jan 13, 2026

Quantitative Analysis of the Cellular Lipidome of Saccharomyces Cerevisiae Using Liquid Chromatography Coupled with Tandem Mass Spectrometry
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Phospholipid and neutral lipid separation by one-dimensional thin-layer chromatography

K Korte, M L Casey

    Journal of Chromatography
    |October 8, 1982
    PubMed
    Summary

    A new, rapid thin-layer chromatography method efficiently separates major phospholipids and neutral lipids from cell extracts. This technique significantly reduces sample application time, improving lipid analysis workflows.

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    Area of Science:

    • Biochemistry
    • Analytical Chemistry
    • Chromatography

    Background:

    • Lipid analysis is crucial for understanding cellular processes.
    • Existing methods for lipid separation can be time-consuming.
    • Efficient separation of phospholipids and neutral lipids is essential for biological research.

    Purpose of the Study:

    • To develop a simple and rapid method for separating major phospholipids and neutral lipids.
    • To improve the efficiency of lipid extraction and analysis from biological samples.
    • To reduce the time required for sample application in chromatography.

    Main Methods:

    • One-dimensional preadsorbent thin-layer chromatography using a Celite-silica gel junction.
    • Rapid application of large sample volumes (0.15 ml) in 10-microliter aliquots.
    • Analysis of up to 650 micrograms of lipid material per lane.

    Main Results:

    • Successful separation of six major phospholipids and four major neutral lipids.
    • Reduced sample application time from 10 minutes to 2 minutes.
    • Achieved excellent separation with large lipid quantities due to sharp band formation.

    Conclusions:

    • The developed method is simple, rapid, and efficient for lipid separation.
    • Suitable for analyzing both radiolabeled and non-radiolabeled lipids and free fatty acids.
    • Enhances lipid analysis from various biological sources including cell cultures and tissues.