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A0293 Sigma

Anti-Human IgG (Fab specific)−Peroxidase antibody produced in goat

affinity isolated antibody

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Properties

Related Categories Alphabetical Index, Antibodies, HU-HZ, Human IgG Secondary Antibodies and Conjugates, Peroxidase Labeled Antibodies,
biological source   goat
antibody form   affinity isolated antibody
clone   polyclonal
species reactivity   human
application(s)   direct ELISA: 1:40,000
  dot blot: 1:100,000
  immunohistochemistry (formalin-fixed, paraffin-embedded sections): 1:200
  western blot (chemiluminescent): 1:100,000
conjugate   peroxidase conjugate
shipped in   dry ice
storage temp.   −20°C

Description

Immunogen

Fab fragment of human IgG

Preparation Note

Prepared by the two-step glutaraldehyde method described by Avrameas, S., et al., Scand. J. Immunol., 8, Suppl. 7, 7 (1978).

Physical form

Solution in 0.01 M phosphate buffered saline, pH 7.4, containing 0.01% thimerosal

Application

Goat anti-human IgG (Fab specific)-peroxidase antibody can be used for direct ELISA (1:40,000), dot blot and immunohistochemistry (formalin-fixed, paraffin-embedded sections, 1:200) applications.

Peroxidase-conjugated goat anti-human IgG (Fab specific) antibody was used for western blot and ELISA analysis of yeast cultures genetically modified to produced recombinant Fab fragments. Anti-Human IgG antibody was used at a 1:10,000 dilution in PBS and incubated for 1 hour at room temperature. Binding in ELISA assays was detected with a O-phenylene- diamine substrate solution (Sigma).

General description

Human IgGs are glycoprotein antibodies that contain two equivalent light chains and a pair of identical heavy chains. IgGs have four distinct isoforms, ranging from IgG1 to IgG4. These antibodies regulate immunological responses to allergy and pathogenic infections. IgGs have also been implicated in complement fixation and autoimmune disorders,.
Antibody is isolated from anti-human IgG antiserum by immunospecific purification to remove essentially all goat serum proteins, including immunoglobulins, which do not specifically bind to the Fab fragment of human IgG. Anti-Human IgG is conjugated to peroxidase and then further purified to remove unconjugated material.
Specificity of the Anti-Human IgG (Fab specific)-Peroxidase is determined by ELISA. Before conjugation, the antibody is found to react with human serum, human IgA, IgG (whole molecule and Fab fragment), IgM, Bence Jones kappa and lambda myeloma proteins using immunoelectrophoresis (IEP). No reactivity is observed with the Fc fragment of human IgG. The antibody does not react with mouse and rat IgG and yields reduced background with mouse or rat samples.

Price and Availability


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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

Articles

Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy

How to Choose a Secondary Antibody

The following information is provided to help you decide which secondary antibody may be best for your particular application.
Keywords: Amplification, Enzyme-linked immunosorbent assay, Flow cytometry, Immobilization, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Western blot

Secondary Antibodies, Conjugates and Kits

Secondary antibodies are polyclonal or monoclonal antibodies that bind to primary antibodies or antibody fragments, such as the Fc or Fab regions. They are typically labeled with probes that make the...
Keywords: Absorption, Adsorption, Amplification, Bacterial conjugations, Cancer, Digestions, Electrophoresis, Enzyme-linked immunosorbent assay, Flow cytometry, Gel electrophoresis, Gene expression, Hormones, Immobilization, Immunocytochemistry, Immunofluorescence, Immunohistochemistry, Immunology, Immunoprecipitation, Infrared spectroscopy, Microbiology, Microscopy, Purification, Vitamins, Western blot

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