Blockers Practical Guide

Chicken Immunoglobulins Chicken Igs should be used in sandwich or competitive ELISAs or lateral flow assays that use a chicken antibody. Any human anti-chicken antibodies in the patient sample that could potentially interfere with the assay signal can bind to the chicken IgY, preventing non-specific binding that could interfere with assay results.

Specificity IgY, Chicken IgY, Chicken

Cat Number

Host / Source Chicken Eggs

Format Purified

A01366C A01460C

Chicken Serum Purified

Goat Immunoglobulins Goat Igs should be used in sandwich or competitive ELISAs or lateral flow assays that use a goat antibody. Any human anti-goat antibodies in the patient sample that could potentially interfere with the assay signal can bind to the goat Ig, preventing non-specific binding that could interfere with the assay results.

Specificity

Cat Number

Host / Source

Format Purified

IgG, Goat-Differential ppt

A66200H

Goat Serum

Human Immunoglobulins Human Igs can be used in flow cytometry, IHC, sandwich or competitive ELISAs or lateral flow assays to block non-specific binding. The selected antibody should match the primary/capture antibody’s host species, isotype (including heavy chain (IgA, IgG, IgD, IgE, or IgM) and light chain (kappa or lambda class) and if relevant, conjugation.

Specificity IgE, lambda

Cat Number

Host / Source

Format

A01720H A75671H A50166H A50165H A50167H A50170H A50175H A50168H

Human Myeloma Purified Human Myeloma Purified Human Myeloma Purified Human Myeloma Purified

IgE, kappa and lambda

IgA1, kappa IgA1, lambda

IgA IgG

Human Plasma Human Plasma Human Plasma Human Plasma

Purified Purified Purified Purified

IgG (Fc)

IgM >95% Pure

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