Chemiluminescent Substrate
Chemiluminescent Substrate - Related Videos
03:35
Chemiluminescent Western Blot Assay for Protein Processing
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2025
This video describes the chemiluminescence-based western blotting of immunoprecipitated lysates. The technique helps determine protein processing and activation. The chemiluminescent signal detected is proportional to the level of protein processing during its activation.
08:57
A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting
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2017
This protocol describes a new intraoperative imaging technique that uses a ruthenium complex as a source of chemiluminescent light emission, thereby producing high signal-to-noise ratios during in vivo imaging. Intraoperative imaging is an expanding field that could revolutionize the way that surgical procedures are performed.
06:00
SUMOylation Assay: An In Vitro Technique to Detect the SUMOylation Status of Substrate Proteins by Immunoblotting
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2025
This video demonstrates the in vitro method for SUMOylation of substrate proteins using a sequential enzyme cascade. Further, the SUMOylated status of the protein is identified using the electrophoresis and immunoblotting technique.
04:25
Endotoxin Activity Assay: A Chemiluminescence-Based Bioassay for Investigating Endotoxin Activity in Blood Sample
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2025
This video demonstrates a rapid bioassay for investigating endotoxin activity in a whole blood sample via a chemiluminescence-based method. This assay is a rapid and sensitive biomarker test for early-stage diagnosis of endotoxin-mediated sepsis.
11:13
Identification of Kinase-substrate Pairs Using High Throughput Screening
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Cited by 1 •
2015
Protein phosphorylation is a central feature of how cells interpret and respond to information in their extracellular milieu. Here, we present a high throughput screening protocol using kinases purified from mammalian cells to rapidly identify kinases that phosphorylate a substrate(s) of interest.
FAQs
Horseradish peroxidase, or HRP, acts as the catalyst that enables the peroxide-dependent oxidation of luminol. This catalytic step produces an excited reaction product, linking recognition of an HRP-associated target to light generation. In assays for neural proteins, receptors, or signaling molecules, HRP therefore provides the chemical connection between target detection and measurable signal.
Luminol supplies the compound that undergoes oxidation, while peroxide supports the HRP-catalyzed reaction. The resulting excited product releases energy as it returns to its ground state, producing visible light. Because the reaction depends on this coordinated chemical sequence, the substrate system can report the presence of targets through light rather than external illumination.
The excited product is central to converting chemical reaction energy into a detectable optical signal. Its return to the ground state releases visible light, allowing the assay to reveal low-abundance molecules. This property is particularly valuable when neural proteins, receptors, or signaling molecules occur at levels that require sensitive detection for comparison across experimental conditions.
The substrate is applied in an assay configuration that associates the target molecule with horseradish peroxidase. When luminol, peroxide, and HRP participate in the reaction, light is generated at the location or measurement corresponding to the target. This strategy supports detection in Western blotting, immunoassays, and related laboratory methods without relying on external illumination.
Neuroscience laboratories can use this detection approach in Western blotting, immunoassays, and related methods to examine neural proteins, receptors, and signaling molecules. These assays help researchers compare molecular changes associated with neuronal function, development, disease, or treatment responses. The method is therefore useful when the experimental question depends on detecting or quantifying specific neural targets.
Chemiluminescent assays can support measurement of changes in neural target molecules across experimental conditions. Depending on the assay, researchers may examine proteins, receptors, or signaling molecules linked to neuronal function, development, disease, or treatment responses. Its ability to reveal low-abundance targets makes the approach useful for identifying molecular differences that might otherwise be difficult to detect.