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R&D Systems offers a range of secondary antibodies for flow cytometry, immunohistochemistry, immunocytochemistry, and Western blotting. We provide species-specific secondary antibodies that are available with a variety of conjugated labels. On this page you can search our secondary antibodies by reactivity, IgG class, and conjugate type.
| Reactivity | Target IgG Class | Conjugates |
| anti-Mouse | IgG | Biotin |
| anti-Goat | IgM | Allophycocyanin |
| anti-Rabbit | IgY | Phycoerythrin |
| anti-Rat | IgG2A | HRP |
| anti-Sheep | IgG2B | Fluorescein |
| anti-Chicken | NorthernLights™ 493 | |
| anti-Hamster | NorthernLights™ 557 | |
| anti-Human | NorthernLights™ 637 | |
| PerCP | ||
| HRP Polymer |