Palmitic Acid Assay
Palmitic Acid Assay - Related Videos
08:20
Investigating the Protective Effects of Platycodin D on Non-Alcoholic Fatty Liver Disease in a Palmitic Acid-Induced In Vitro Model
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Cited by 6 •
2022
This protocol investigates the protective effects of platycodin D on non-alcoholic fatty liver disease in a palmitic acid-induced in vitro model.
04:04
Radiolabeled Amino Acid Uptake Assay to Quantify Cellular Uptake of Amino Acids
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2025
This video demonstrates an in vitro technique for estimating amino acid uptake by bone marrow-derived stromal cells. Na+-dependent amino acid transporters mediate the uptake of radiolabeled amino acids inside the cells, and the cellular uptake is estimated by measuring the radioactivity.
04:17
Quantification of Bacterial Alginate Using the Uronic Acid Carbazole Assay
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2025
Source: Al Ahmar, R., et al. Culture of Small Colony Variant of Pseudomonas aeruginosa and Quantitation of its Alginate. J. Vis. Exp. (2020)This video demonstrates a colorimetric assay to quantify alginate produced by Pseudomonas aeruginosa, using carbazole to detect uronic acids after acid hydrolysis. The method enables comparative analysis of alginate production normalized to bacterial biomass in research and clinical studies.
08:27
Use of a Caspase Multiplexing Assay to Determine Apoptosis in a Hypothalamic Cell Model
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Cited by 20 •
2014
Multiplex assays can provide beneficial information for basic cellular mechanisms and eliminate waste of reagents and unnecessary repetitive experiments. We describe here a multiplex caspase-3/7 activity assay, using fluorescent- and luminescent-based methods, to determine cell viability in an in vitro hypothalamic model following oxidative challenge with palmitic acid.
12:11
Determination of Fatty Acid Oxidation and Lipogenesis in Mouse Primary Hepatocytes
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Cited by 39 •
2015
De novo lipogenesis and β-fatty acid oxidation constitute key metabolic pathways in hepatocyte, pathways that are perturbed in several metabolic disorders, including fatty liver disease. Here we demonstrate isolation of mouse primary hepatocytes and describe quantification of β-fatty acid oxidation and lipogenesis.
FAQs
Known-concentration standards provide the reference for interpreting the signal produced by an unknown sample. The assay compares the sample response with these standards to estimate the amount of palmitic acid present. This comparison converts a selective chemical, enzymatic, or instrumental readout into a concentration that can be used to evaluate differences among experimental samples.
Sample preparation determines whether fatty acids are extracted from the sample or released from associated cellular or biochemical material before measurement. Incomplete extraction or release can lower the apparent palmitic acid amount, whereas consistent preparation supports meaningful comparisons. The same preparation strategy should therefore be applied across samples and standards when the assay design requires it.
These formats differ mainly in how palmitic acid is converted into a measurable signal. Chemical designs rely on a chemical response, enzymatic designs use an enzyme-associated readout, and instrumental approaches detect the analyte through an instrument-specific signal. The selected format determines the measurement mechanism and should match the sample and the information required from the experiment.
Changes in measured palmitic acid can provide biochemical context for fatty acid synthesis, fatty acid oxidation, membrane composition, or cellular energy storage. Interpreting the result requires linking the measured amount to the experimental system rather than treating it as an isolated value. In biochemistry, this makes the assay useful for examining how lipid metabolism changes under different conditions.
A typical workflow begins with preparing the sample so fatty acids are extracted or released, followed by generating the assay signal with the selected chemical, enzymatic, or instrumental format. The sample response is then compared with standards of known concentration. This sequence produces a quantitative result suitable for comparing palmitic acid across experimental samples.
The method can be applied to cells, tissues, biological fluids, and biochemical experiments, provided the assay design accommodates the sample material. Each matrix may require an appropriate extraction or release step before detection. Measuring the same analyte across these sample types allows investigators to examine palmitic acid within cellular, physiological, or controlled biochemical contexts.
Researchers can use the assay when they need to evaluate palmitic acid within studies of lipid profiles or metabolic regulation. It can support experiments addressing fatty acid synthesis and oxidation, while also informing analyses of membrane composition and energy storage. Quantitative comparisons between samples help reveal whether an experimental condition is associated with altered lipid metabolism.