One Dimensional Tlc
One Dimensional Tlc - Related Videos
12:04
Thin-layer Chromatographic (TLC) Separations and Bioassays of Plant Extracts to Identify Antimicrobial Compounds
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Cited by 52 •
2014
Methods are described for thin-layer chromatographic (TLC) separation of plant extracts and contact bioautography to identify antibacterial metabolites. The methods are applied to the screening of red clover phenolic compounds inhibiting hyper ammonia-producing bacteria (HAB) native to the bovine rumen.
01:11
Thin-Layer Chromatography (TLC): Overview
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2025
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...
13:02
Arabidopsis thaliana Polar Glycerolipid Profiling by Thin Layer Chromatography (TLC) Coupled with Gas-Liquid Chromatography (GLC)
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Cited by 102 •
2011
Composition of polar lipid extracts and the fatty acid composition of individual glycerolipids are determined in a simple and robust lipid profiling experiment. For this purpose, glycerolipids are isolated by thin layer chromatography and subjected to transmethylation of their acyl groups. Fatty acyl methylesters are quantified by gas-liquid chromatography.
06:14
Estimating the Yield of Compounds on the TLC Plate via the Blue-LED Illumination Technique
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Cited by 1 •
2022
The present protocol developed a method to estimate the yield of compounds on the TLC plate using the blue-LED illumination technique. The advantages of this approach are that it is safe, effective, inexpensive, and allows the researcher to measure multiple samples simultaneously.
03:40
Dimensional Analysis
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2020
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units. Conversion Factors and Dimensional Analysis The unit...
FAQs
Separation depends on the balance between adsorption to the coated stationary phase and solubility in the moving solvent. A compound that interacts more strongly with the adsorbent is retained relative to one that remains more soluble in the mobile phase, so the two can travel different distances. This behavior creates the observed separation pattern.
The coated plate acts as the stationary phase, while the solvent is the mobile phase that advances through it by capillary action. Their contrasting roles determine how strongly each compound is retained or carried forward. Changing the relative behavior of a compound in these phases changes its position and helps distinguish mixture components.
Comparison is most informative when corresponding migration patterns are examined across samples. Shared positions can indicate similar components, whereas differences in the pattern can signal changes in composition. In immunology and infection studies, these comparisons can therefore reveal biochemical shifts associated with immune responses or pathogen activity without requiring the profile to be interpreted in isolation.
One Dimensional TLC is suited to rapid profiling of lipids, metabolites, and other small molecules because the mixture is examined as a pattern of separated positions. The approach can be applied to material from cells, tissues, or microorganisms, allowing researchers to compare chemically relevant profiles across biological samples in immunology and infection research.
A basic run starts by placing the sample near one edge of a coated plate and allowing the solvent to move through the stationary phase. As capillary action carries the mobile phase, mixture components migrate according to their interactions with the adsorbent and solubility. The resulting positions can then be compared across samples.
One Dimensional TLC can examine lipids, metabolites, and other small molecules in samples from cells, tissues, and microorganisms. This range makes it relevant when a study asks whether biological material has a different small-molecule profile, rather than focusing only on a purified compound. The method supports side-by-side assessment of composition across sample types.
It can help identify biochemical changes associated with immune responses or pathogen activity by comparing migration patterns between samples. It can also monitor purification, showing whether a preparation’s profile changes as separation proceeds. Thus, the same analysis connects biological comparison with a practical check on sample composition.