Insulin Elisa
Insulin Elisa - Related Videos
10:06
The ELISA Method
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2023
An enzyme-linked immunosorbent assay (ELISA) is typically performed to detect the presence and/or amount of a target protein of interest within an experimental sample. Detection of the target protein is made possible by antibodies, which make the ELISA an immunoassay. Through a series of incubation and washing steps, these antibodies, which are frequently linked, or conjugated, to an enzyme, will detect protein coating the bottom of a well on a microtiter plate. When exposed to a substrate,...
14:22
ELISA Assays: Indirect, Sandwich, and Competitive
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2023
Source: Whitney Swanson1,2, Frances V. Sjaastad2,3, and Thomas S. Griffith1,2,3,4 1 Department of Urology, University of Minnesota, Minneapolis, MN 55455 2 Center for Immunology, University of Minnesota, Minneapolis, MN 55455 3 Microbiology, Immunology, and Cancer Biology Graduate Program, University of Minnesota, Minneapolis, MN 55455 4 Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455 Enzyme-linked immunosorbent assay (ELISA) is frequently used to measure the presence...
05:52
Insulin Injection and Hemolymph Extraction to Measure Insulin Sensitivity in Adult Drosophila melanogaster
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Cited by 16 •
2011
Conserved insulin signaling pathways found in the fruit fly Drosophila melanogaster make this organism a potential tool for modeling metabolic disorders including type II diabetes. To this end, it is critical to establish physiological assays to effectively measure systemic insulin action in peripheral glucose disposal in the adult fly.
03:55
ELISA-Based Method to Analyze Interactions between Bait and Prey Proteins
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2025
This video describes an ELISA-based technique that detects protein-protein interactions between two proteins by measuring the binding of the second protein to the immobilized first protein. The bound second protein is detected using specific antibodies labeled with an enzyme, such as horseradish peroxidase.
03:35
ELISA-Based Reporter Assay to Study the Receptor-Ligand Interaction in BW Cells
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2025
This video demonstrates the reporter assay-based detection of the receptor-ligand interaction. The successful receptor-ligand interaction activates the downstream signaling pathway, causing the generation and release of cytokines as secretory reporter molecules in the solution, which is confirmed using ELISA.
FAQs
The signal reflects the amount of insulin captured and subsequently recognized by the enzyme-linked antibody. More insulin in the sample allows more detection antibody to associate with the assay complex, producing greater substrate conversion and a stronger color response. This proportional relationship enables measured signal intensity to serve as the basis for quantitative insulin analysis.
The capture antibody immobilizes insulin on the assay plate, while the second antibody provides the detectable enzyme-linked component after binding to the captured hormone. Using these antibodies in sequence creates the sandwich arrangement that connects insulin presence with substrate-generated color. This separation supports specific measurement rather than relying on signal from unbound sample components.
A standard curve links measured color intensity with known insulin concentrations, allowing the signal from serum or plasma samples to be converted into a concentration value. Controls provide a reference for assessing assay performance. Together, these elements help determine whether the measured results are interpretable and suitable for quantitative biomedical or clinical research.
A typical workflow places the biological sample in contact with the plate-bound capture antibody, allows insulin to bind, and then applies the enzyme-linked antibody to recognize the captured hormone. Substrate conversion produces the measurable color signal. Researchers compare that signal with the standard curve and review controls before reporting insulin concentration.
The assay is useful when investigators need quantitative insulin data to examine glucose regulation, pancreatic beta-cell function, diabetes, or other metabolic disorders. It can also support studies of responses to therapeutic interventions. These applications allow insulin measurements to contribute to broader evaluations of endocrine and metabolic changes in biological samples.
Insulin concentration data provide a quantitative outcome for research examining pancreatic beta-cell activity in the context of glucose regulation. By measuring insulin in serum or plasma, investigators can relate hormone levels to studies of diabetes, metabolic disorders, or therapeutic responses. The resulting concentrations help characterize biological changes without treating the color signal alone as the final result.