Related Experiment Video

Updated: May 24, 2026

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay
06:15

Characterization of Thymus-dependent and Thymus-independent Immunoglobulin Isotype Responses in Mice Using Enzyme-linked Immunosorbent Assay

Published on: September 7, 2018

Rocket immunoelectrophoresis technique or electroimmunodiffusion

A Laine1

  • 1INSERM, Lille Cedex, France.

Methods in Molecular Biology (Clifton, N.J.)
|February 22, 2012
PubMed

Insights

Rocket immunoelectrophoresis (electroimmunodiffusion) offers a simple, fast method for quantifying single proteins or proteins within mixtures. Accurate results depend on identical physicochemical and immunological properties between samples and references.

Area of Science:

  • Biochemistry
  • Immunology
  • Analytical Chemistry

Background:

  • Quantifying specific proteins is crucial in various scientific fields.
  • Traditional methods can be time-consuming or lack specificity.
  • Electroimmunodiffusion (EID) presents an alternative approach.

Purpose of the Study:

  • To describe the rocket immunoelectrophoresis technique (electroimmunodiffusion) for protein quantitation.
  • To highlight its applicability for single proteins and protein mixtures.
  • To outline the principles for accurate quantitative analysis.

Main Methods:

  • Utilizes agarose gel containing monospecific antiserum.
  • Involves applying samples and reference solutions into wells within the gel.
  • Performs one-dimensional electrophoresis to form rocket-shaped precipitates.

Main Results:

  • The technique is simple, fast, and reproducible.
  • Allows analysis of multiple unknown samples on a single plate.
  • Quantitation is achieved by measuring the height of the precipitate peak.

Conclusions:

  • Rocket immunoelectrophoresis is an effective method for protein quantitation.
  • Ensuring physicochemical and immunological identity between samples and references is key for accuracy.
  • The technique is suitable for both single protein analysis and complex mixtures.

More Related Videos

Highly Sensitive and Quantitative Detection of Proteins and Their Isoforms by Capillary Isoelectric Focusing Method07:58

Highly Sensitive and Quantitative Detection of Proteins and Their Isoforms by Capillary Isoelectric Focusing Method

Published on: September 19, 2018

Procedure and Key Optimization Strategies for an Automated Capillary Electrophoretic-based Immunoassay Method09:32

Procedure and Key Optimization Strategies for an Automated Capillary Electrophoretic-based Immunoassay Method

Published on: September 10, 2017

Related Concept Videos

Enzyme-Linked Immunosorbent Assay01:33

Enzyme-Linked Immunosorbent Assay

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 quantified.
Immunogold Electron Microscopy01:20

Immunogold Electron Microscopy

Immunoelectron microscopy utilizes immunogold labeling of endogenous proteins with specific antibodies to detect and localize these proteins in cells and tissues. The procedure provides insights into the distribution and quantification of protein under different stimulation conditions offering clues about their functions. Conjugating highly electron-dense gold particles with primary or secondary antibodies allow antigen detection on and within cells, with high resolution and specificity.
Immunoprecipitation01:20

Immunoprecipitation

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
Chromatin immunoprecipitation, also known as ChIP, is used to study protein-DNA or...
Two-dimensional Gel Electrophoresis01:22

Two-dimensional Gel Electrophoresis

Two-dimensional gel electrophoresis is a high-resolution protein separation method first introduced by O' Farrell and Klose in 1975. This method involves protein separation by two dimensions, mass and charge, making it more accurate than one-dimensional gel electrophoresis.
The first dimension separation uses the isoelectric focusing or IEF technique performed on immobilized pH gradient (IPG) strips that separate proteins according to their isoelectric points.
Biological samples, such as  cells...
Capillary Electrophoresis: Applications01:30

Capillary Electrophoresis: Applications

Capillary electrophoretic separations offer various modes, each with unique applications. These modes include capillary zone electrophoresis, capillary gel electrophoresis, capillary array electrophoresis, capillary isoelectric focusing, capillary isotachophoresis, micellar electrokinetic chromatography, and capillary electrochromatography.
Capillary zone electrophoresis (CZE) separates ionic components based on their electrophoretic mobility. It has been used to separate proteins, amino acids,...
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...