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Related Concept Videos

Affinity Chromatography01:03

Affinity Chromatography

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Affinity chromatography is a powerful technique extensively utilized for separating and purifying specific biomolecules from complex mixtures. It capitalizes on the highly selective binding between an analyte and its counterpart, such as antibody-antigen interactions. The counterpart is immobilized on the stationary phase, forming an affinity column. The stationary phase typically consists of solid support, such as agarose or porous glass beads, immobilizing the affinity ligand. The mobile...
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Enzyme-Linked Immunosorbent Assay01:33

Enzyme-Linked Immunosorbent Assay

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In 1971, Peter Perlman and Eva Engvall developed an Enzyme-linked immunosorbent assay (ELISA or EIA). ELISA differs from western blot in that the assays are conducted in microtiter plates or in vivo rather than on an absorbent membrane.
There are many different types of ELISAs, but they all involve an antibody molecule whose constant region binds an enzyme, leaving the variable region free to bind its specific antigen.  Enzyme-substrate reaction allows the antigen to be visualized or...
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Immunoprecipitation01:20

Immunoprecipitation

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Immunoprecipitation, or IP, is a widely used technique that employs protein-antibody interactions to isolate proteins or protein complexes in their native state for studying protein-protein interactions, quaternary structures, or supramolecular complexes. Various modifications of the technique, including chromatin IP, cross-linking IP, and fluorescence IP, are commonly used.
Chromatin Immunoprecipitation
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Related Experiment Video

Updated: Jul 13, 2025

Peptide and Protein Quantification Using Automated Immuno-MALDI iMALDI
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Redefining serological diagnostics with immunoaffinity proteomics.

Jonathan Walter1, Zicki Eludin1, Andrei P Drabovich2

  • 1Division of Analytical and Environmental Toxicology, Department of Laboratory Medicine and Pathology, Faculty of Medicine and Dentistry, University of Alberta, 10-102 Clinical Sciences Building, Edmonton, AB, T6G 2G3, Canada.

Clinical Proteomics
|October 11, 2023
PubMed
Summary
This summary is machine-generated.

Serological diagnostics detect specific immunoglobulins for disease detection. Redesigned assays offer improved specificity for earlier disease identification, including infections, autoimmune disorders, and cancer.

Keywords:
Immunoassays.ImmunoglobulinsMass spectrometryProteomicsSerological diagnostics

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Area of Science:

  • Immunology
  • Diagnostics
  • Proteomics

Background:

  • Serological diagnostics detect human immunoglobulins against pathogens.
  • Traditional immunoassays have limitations including semi-quantitative results and cross-reactivity.
  • Advancements are needed for multiplexing immunoglobulin isotypes and subclasses.

Purpose of the Study:

  • To review clinical needs for serological diagnostics.
  • To overview conventional and emerging immunoassay detection techniques.
  • To discuss mass spectrometry and immunoaffinity proteomics for serological diagnostics.

Main Methods:

  • Review of conventional immunoassay techniques.
  • Discussion of mass spectrometry and immunoaffinity proteomics.
  • Exploration of novel immunoaffinity-proteomic assay designs.

Main Results:

  • Conventional serological tests have limitations impacting diagnostic specificity.
  • Emerging technologies like mass spectrometry and immunoaffinity proteomics offer potential improvements.
  • Novel assay designs can evaluate cell-mediated immunity and advance immunoglobulin sequencing.

Conclusions:

  • Improved serological assays with higher diagnostic specificity are crucial.
  • Enhanced assays can enable early detection of infectious diseases, autoimmune disorders, and cancer.
  • Future research should focus on novel immunoaffinity-proteomic approaches for advanced diagnostics.