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Related Concept Videos

Thin-Layer Chromatography (TLC): Overview01:11

Thin-Layer Chromatography (TLC): Overview

3.4K
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

2.8K
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:
2.8K
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

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Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
1.1K
Chromatography: Introduction01:10

Chromatography: Introduction

5.6K
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...
5.6K
Chromatographic Methods: Classification01:12

Chromatographic Methods: Classification

2.8K
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...
2.8K
Types Of Column Chromatography01:29

Types Of Column Chromatography

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The stability and compatibility of column material with samples are crucial for efficient purification in chromatographic techniques. Various operating parameters such as pH, temperature, or solvent affect the packing of the column material, thereby determining the purification efficiency. The choice of column material also plays an essential role in deciding the operating parameters and can be modified based on the proteins that need to be purified.
Gel Filtration Chromatography
When the...
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Related Experiment Video

Updated: Nov 4, 2025

Thin-layer Chromatographic TLC Separations and Bioassays of Plant Extracts to Identify Antimicrobial Compounds
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Thin-layer Chromatographic TLC Separations and Bioassays of Plant Extracts to Identify Antimicrobial Compounds

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Thin-Layer Chromatography.

Georg Hölzl1, Peter Dörmann2

  • 1Institute of Molecular Physiology and Biotechnology of Plants (IMBIO), University of Bonn, Bonn, Germany.

Methods in Molecular Biology (Clifton, N.J.)
|May 28, 2021
PubMed
Summary

Plant lipid extracts contain polar and nonpolar compounds, separable by thin-layer chromatography (TLC). Various solvent systems and visualization methods enable detailed analysis of these complex lipid mixtures.

Keywords:
Betaine lipidFatty acidGlycerolipidGlycolipidIodineNonpolar lipidPhospholipidPolar lipidTLCWax ester

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Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry
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Estimating the Yield of Compounds on the TLC Plate via the Blue-LED Illumination Technique
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Estimating the Yield of Compounds on the TLC Plate via the Blue-LED Illumination Technique

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Last Updated: Nov 4, 2025

Thin-layer Chromatographic TLC Separations and Bioassays of Plant Extracts to Identify Antimicrobial Compounds
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Profiling the Triacylglyceride Contents in Bat Integumentary Lipids by Preparative Thin Layer Chromatography and MALDI-TOF Mass Spectrometry
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Estimating the Yield of Compounds on the TLC Plate via the Blue-LED Illumination Technique
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Area of Science:

  • Plant biochemistry
  • Lipidomics
  • Chromatographic techniques

Background:

  • Plant lipid extracts are complex mixtures of polar membrane lipids (e.g., galactolipids, phospholipids) and nonpolar lipids (e.g., triacylglycerols).
  • Understanding plant lipid composition is crucial for various biological and industrial applications.
  • Existing methods for lipid separation and analysis require optimization for complex plant tissues.

Purpose of the Study:

  • To detail the separation and visualization of diverse lipid classes from plant extracts.
  • To highlight the utility of thin-layer chromatography (TLC) for plant lipid analysis.
  • To provide a foundation for subsequent isolation and characterization of specific plant lipids.

Main Methods:

  • Separation of lipid mixtures using one- or two-dimensional thin-layer chromatography (TLC).
  • Utilizing silica gel as the stationary phase and various organic solvent systems as the mobile phase.
  • Employing specific dyes and reagents for visualization of total lipids, glycolipids, or phospholipids.

Main Results:

  • Successful separation of polar membrane lipids and nonpolar lipids into distinct classes via TLC.
  • Demonstration of differential staining capabilities for specific lipid types (glycolipids, phospholipids).
  • Confirmation that nondestructive visualization methods allow for subsequent lipid isolation from TLC plates.

Conclusions:

  • Thin-layer chromatography is an effective technique for resolving complex plant lipid mixtures.
  • Specific solvent systems and visualization reagents are critical for accurate plant lipid profiling.
  • The described TLC methods facilitate the isolation of individual lipid classes for further analysis.