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Enzyme-Linked Immunosorbent Assay: An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed.

Development and Validation of an Ultrasensitive Single Molecule Array Digital Enzyme-linked Immunosorbent Assay for Human Interferon-α

1Immunobiology of Dendritic Cells, Institut Pasteur, 2INSERM U1223, 3Laboratory of Neurogenetics and Neuroinflammation, INSERM UMR1163, Institut Imagine, 4MRC Human Genetics Unit, MRC Institute of Genetics and Molecular Medicine, University of Edinburgh, 5Manchester Centre for Genomic Medicine, University of Manchester

JoVE 57421

 Immunology and Infection

ELISA Assays: Indirect, Sandwich, and Competitive

JoVE 10496

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…

 Immunology

ELISPOT Assay: Detection of IFN-γ Secreting Splenocytes

JoVE 10497

Source: Tonya J. Webb1
1 Department of Microbiology and Immunology, University of Maryland School of Medicine and the Marlene and Stewart Greenebaum Comprehensive Cancer Center, Baltimore, Maryland 21201


ELISPOT is a standardized, reproducible assay used to detect cellular immune responses. The assay utilizes an enzyme-linked…

 Immunology

The ELISA Method

JoVE 5061

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,…

 Basic Methods in Cellular and Molecular Biology

Flow Cytometry-based Assay for the Monitoring of NK Cell Functions

1Childrens Hospital, Department of Pediatric Stem Cell Transplantation and Immunology, Johann Wolfgang Goethe-University, 2LOEWE Center for Cell and Gene Therapy, Johann Wolfgang Goethe-University, 3Institute for Cancer Research, Department of Cancer Immunology, Oslo University Hospital, Radiumhospital, 4The KG Jebsen Center for Cancer Immunotherapy, Institute of Clinical Medicine, University of Oslo

JoVE 54615

 Immunology and Infection

Construction of Synthetic Phage Displayed Fab Library with Tailored Diversity

1Laboratory of Antibody Engineering, Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, 2Banting and Best Department of Medical Research, Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 3Department of Molecular Genetics, Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto

JoVE 57357

 Immunology and Infection

Using Synthetic Biology to Engineer Living Cells That Interface with Programmable Materials

1Department of Mechanical Engineering, Carnegie Mellon University, 2Engineering Science and Mechanics Program, Virginia Polytechnic Institute and State University, 3Department of Biological Systems Engineering, Virginia Polytechnic Institute and State University, 4Department of Bioengineering, University of Pittsburgh

JoVE 55300

 Bioengineering

Lentiviral Vector Platform for the Efficient Delivery of Epigenome-editing Tools into Human Induced Pluripotent Stem Cell-derived Disease Models

1Department of Neurology, Duke University Medical Center, 2Center for Genomic and Computational Biology, Duke University Medical Center, 3Viral Vector Core, Duke University Medical Center, 4Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, Duke University Medical Center

JoVE 59241

 Genetics

Quantification of Protein Interaction Network Dynamics using Multiplexed Co-Immunoprecipitation

1Center for Integrative Brain Research, Seattle Children's Research Institute, 2Graduate Program in Neuroscience, University of Washington, 3Department of Cancer Immunology and Virology, Dana-Farber Cancer Institute, Department of Medicine, Harvard Medical School, 4Broad Institute of Harvard and MIT, 5Department of Mathematics, University of Houston, 6Department of Molecular Microbiology and Immunology, School of Medicine, University of Missouri, 7Department of Surgery, School of Medicine, University of Missouri, 8Department Bioengineering, College of Engineering, University of Missouri, 9Department of Pediatrics, University of Washington

JoVE 60029

 Biochemistry

Use of Rabbit Eyes in Pharmacokinetic Studies of Intraocular Drugs

1Department of Ophthalmology, Seoul National University Bundang Hospital, 2Department of Ophthalmology, College of Medicine, Seoul National University, 3Department of Ophthalmology, Hanyang University Hospital, 4Department of Ophthalmology, Seoul Metropolitan Government-Seoul National University Boramae Medical Center, 5Department of Clinical Pharmacology, Seoul National University Hospital, 6Department of Clinical Pharmacology, Seoul National University Bundang Hospital

JoVE 53878

 Medicine

Generation, Amplification, and Titration of Recombinant Respiratory Syncytial Viruses

1UMR 1173 Institut national de la santé et de la recherche médicale (INSERM), Université de Versailles St. Quentin, 2UR892 Institut national de la recherche agronomique (INRA), Unité de virologie et immunologie moléculaires, 3Assistance Publique–Hôpitaux de Paris (AP-HP), Hôpital Ambroise Paré, Laboratoire de Microbiologie

JoVE 59218

 Immunology and Infection

Antigenic Liposomes for Generation of Disease-specific Antibodies

1Janssen R&D, 2Department of Microbiology and Immunology, University of North Carolina, 3UNC Food Allergy Initiative, University of North Carolina, 4Department of Pediatrics, University of North Carolina, 5Department of Chemistry, University of Alberta, 6Department of Molecular Medicine, Scripps Research Institute, 7Department of Medical Microbiology and Immunology, University of Alberta

JoVE 58285

 Immunology and Infection

Serum Free Production of Three-dimensional Human Hepatospheres from Pluripotent Stem Cells

1MRC Centre for Regenerative Medicine, University of Edinburgh, 2UCL Great Ormond Street Institute of Child Health, University College London, 3Division of Biosciences, Department of Life Sciences, College of Health and Life Sciences, Brunel University London, 4School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin

JoVE 59965

 Developmental Biology
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