Goat anti-human IgG is a secondary antibody raised in goat against human immunoglobulins, purified to bind human IgG with specificity across the heavy and light chains of the intact immunoglobulin molecule. It is the detection reagent for research and diagnostic workflows where the primary antibody or target protein is human-derived.
The antibody reacts with serum immunoglobulins across human IgG subclasses and covers both antigen-binding sites on the intact molecule. Equitech-Bio’s goat anti-human products are pre-adsorbed against non-immunoglobulin serum proteins to reduce background binding in tissue sections and complex biological matrices where non-target proteins compete for secondary antibodies’ binding capacity.
Goat anti-rat polyclonal antibody and human immunoglobulin detection reagents serve distinct species-matched roles, but the underlying logic is the same: match your secondary to the host species of your primary and pre-adsorb against everything else your sample contains. In multiplex systems running monoclonal antibodies alongside polyclonal primaries, light chain specificity formats provide cleaner channel separation.
For workflows where goat anti-human is running alongside mouse-target detection, goat anti-mouse antibody provides the parallel secondary without cross-reactivity between channels. And for rabbit-primary systems in the same panel, goat anti-rabbit completes the species-matched secondary antibody coverage. Research use only.
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