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I1010 Sigma

IgA from human colostrum

reagent grade, ≥95%, essentially salt-free, lyophilized powder

Synonym: Human IgA

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Properties

Related Categories Antibodies, Normal Human and Animal Immunoglobulins, Purified Immunoglobulins, Sera and Immunoglobulins, Supplementary Products More...
grade   reagent grade
assay   ≥95%
form   essentially salt-free, lyophilized powder
conjugate   unconjugated
storage temp.   2-8°C

Description

Packaging

5, 25 mg in glass bottle

Reconstitution

Reconstitute with buffered saline (150 mM sodium chloride).

Application

Purified IgA may be used as a reference antigen, standard, blocking agent or coating protein in a variety of immunoassays including ELISA, dot immunobinding, immunoblotting, immunodiffusion and immunoelectrophoresis. Other applications include starting materials for the preparation of immunogens and solidphase immunoadsorbents. IgA from human colostrum was used as a standard in ELISA (1 mg/ml) and gel electrophoresis.

General description

IgA antibody is secretory antibody and is present abundantly in mucous linings of gastrointestinal, respiratory and genitourinary tracts, tears, colostrum and saliva. Thus secretory IgA contributes to the humoral defense mechanism against the pathogens on mucosal surfaces
Human IgA is purified from pooled normal human colostrum by fractionation and ion-exchange fractionation.

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport

Documents

Certificate of Analysis

Certificate of Origin

Protocols & Articles

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