For over 37 years Jackson ImmunoResearch have specialised in the manufacture of secondary antibodies, conjugates and purified immunoglobulins.

Their products are made by scientists for scientists and are considered by many to be the gold standard.

With their state of the art production facility in rural Pennsylvania and there European hub in Cambridgeshire they serve Research Institutes and Universities throughout the world.


Featured Products

Alexa Fluor® 488-AffiniPure Goat Anti-Mouse IgG (H+L)
Peroxidase-AffiniPure Goat Anti-Mouse IgG (H+L)
Alexa Fluor® 488-AffiniPure Goat Anti-Mouse IgG (H+L) (min X Hu,Bov,Hrs,Rb,Rat Sr Prot)
Alexa Fluor® 488-AffiniPure Donkey Anti-Mouse IgG (H+L) (min X Bov,Ck,Gt,GP,Sy Hms,Hrs,Hu,Rb,Rat,Shp Sr Prot)
Peroxidase-AffiniPure Donkey Anti-Mouse IgG (H+L) (min X Bov,Ck,Gt,GP,Sy Hms,Hrs,Hu,Rb,Rat,Shp Sr Prot)
Alexa Fluor® 488-AffiniPure Goat Anti-Rabbit IgG (H+L)
Peroxidase-AffiniPure Goat Anti-Rabbit IgG (H+L)
Alexa Fluor® 488-AffiniPure Goat Anti-Rabbit IgG (H+L) (min X Hu,Ms,Rat Sr Prot)
Peroxidase-AffiniPure Goat Anti-Rabbit IgG (H+L) (min X Hu,Ms,Rat Sr Prot)
Alexa Fluor® 488-AffiniPure Donkey Anti-Rabbit IgG (H+L) (min X Bov,Ck,Gt,GP,Sy Hms,Hrs,Hu,Ms,Rat,Shp Sr Prot)
Peroxidase-AffiniPure Donkey Anti-Rabbit IgG (H+L) (min X Bov,Ck,Gt,GP,Sy Hms,Hrs,Hu,Ms,Rat,Shp Sr Prot)

Product Categories  

Whole IgG Affinity-Purified Antibodies

F(ab’)₂ Fragment Affinity-Purified Antibodies

Fab Fragment Affinity‑Purified Antibodies

FabuLight™ – Affinity-Purified Fab Anti-Fc Fragment Specific Antibodies

Anti-Mouse IgG Subclass Specific Antibodies

Brilliant Violet™ Dye Conjugates for Multiple Labeling

R-PE, APC, PerCP, and other Conjugates for Flow Cytometry

Streptavidin and Conjugates

Anti‑Light Chain-Specific Antibodies for Western Blotting after IP

Alexa Fluor® 680 and Alexa Fluor® 790 for High Sensitivity Western Blots

Cy2, Cy3, and Cy5 for Permanent Mounts

Anti-Fluorescein, Anti-Digoxin, Anti-Biotin, and Anti-HRP

Colloidal Gold-Antibody Complexes

Normal Serums and Gamma Globulins

Bovine Serum Albumin (IgG-Free and Protease-Free)

Purified Proteins from Normal Serum


Immunoadsorbent Gels

Peroxidase-Anti-Peroxidase (PAP)

HRP and AP  Enzyme Conjugates For IHC, Western Blot and ELISA

New! Anti-Camelid Secondary Antibodies

At Jackson ImmunoResearch, our mission is to develop the widest range of high quality secondary antibodies for the life science community. To support the growing adoption of camelid-derived heavy chain variable domain (VHH) technologies in a multitude of applications, including next-generation immunotherapeutics, medical imaging, analytical and diagnostic assay development and research discovery, JIR offers three new secondary antibody specificities for detection and quantification of camelid antibodies.

Browse Anti-Alpaca Secondary Antibodies

Download our new

Jackson ImmunoResearch

catalogue here  

Secondary Antibodies For VHH Discovery


Our goal is to provide other scientists with the newest, largest selection of, and highest quality of secondary reagents, with the best technical and customer services possible.

The products are for research use only, and not for diagnostics or therapeutics.

They are not primary antibodies, nor are they medical devices.


Fluorophore selection and panel building – Spectra Viewer

Fluorescent probes or fluorophores (fluorescent dyes or proteins) are coupled to a secondary antibody or streptavidin to allow visualization of Read More…

NEW Secondary Antibodies For VHH Discovery

Secondary Antibodies For VHH Discovery

JIR presents Anti-Alpaca IgG, Subclass and VHH domain secondary antibodies to optimize VHH (single domain) antibody development and application. Pathway Read More…

Anti-Camelid Secondary Antibodies

Anti-Camelid Secondary Antibodies

At Jackson ImmunoResearch, our mission is to develop the widest range of high quality secondary antibodies for the life science Read More…

Chromogenic Detection for Western Blot, IHC, and ELISA

Chromogenic substrates are used in colorimetric detection. They are simple and easy to use. Suitable for most immunotechniques – from Read More…

Colorimetric Western blotting

Colorimetric detection is an economical and simple method for the detection of analyte when Western blotting. Enzyme reporters conjugated to Read More…

Chemiluminescent Western blotting

Chemiluminescent Western blotting is a highly sensitive protein detection method. The broad dynamic range allows analyte detection over a wide Read More…

Fluorescent Western blotting

Fluorescent Western blotting can offer many advantages to an already robust protein detection technique. Secondary Antibodies are conjugated to a Read More…

Conjugates for Western blotting

3 methods of detection are available for Western blotting: colorimetric, chemiluminescent and fluorescent. Each detection method can offer advantages, in Read More…

Direct and Indirect Western blotting

Western blotting is a robust technique employing antibodies to detect proteins immobilized on a blotting membrane after separation by electrophoresis. Read More…

First Class Secondary Antibodies

SelectScience® Gold Seal for Quality awarded to JIR

The Gold Seal of Quality has been awarded to Jackson ImmunoResearch Laboratories Inc. for consistently receiving multiple positive reviews on Read More…

Distinguish cell types from primary cultures

“When labeling for more than one target with antibodies from closely related species, you really need to be certain your Read More…

Multiple Labeling (ML) Using Conjugated Secondary Antibodies

Selection of antibodies for simultaneous detection of more than one antigen depends on at least two important criteria: Availability of Read More…

A guide to selecting control, diluent and blocking reagents.

Introduction When developing an immunotechnique it’s important to consider how the results will be interpreted. Even the simplest assay can Read More…

Flow Cytometry with JIR

For flow cytometry we offer three fluorescent proteins (R-PE, APC, and PerCP) conjugated to many highly adsorbed secondary antibodies, streptavidin, Read More…

First for Antibodies

Stratech Scientific have been successful in a recent antibodies tender from the Southern Universities Purchasing Consortium. In the award criterion Read More…

Western Blot Troubleshooting Guide

Western blotting is a staple technique of the molecular biology lab. The robust nature of the antigen-antibody interaction allows the Read More…

Bovine Anti-Goat IgG (H+L) (min X Bov, Ck, GP, Sy Hms, Hrs, Hu, Ms, Rb, Rat Sr Prot)

Bovine serum albumin (BSA) and dry milk are used extensively for blocking non-specific binding of antibodies and for stabilizing antibodies Read More…

FabuLight™ Fab Anti-Fc Fragment Secondary Antibodies

Label Primary Antibodies In Solution Without Compromising Activity FabuLight antibodies are Fab fragment secondary antibodies specific to the Fc region Read More…

FabuLight Example Protocol – Fab Labeling Primary Antibodies

Fab-labeled Primaries for Labelling two Antigens on Tissue For further information on FabuLight visit our FabuLight page.

IgG-Free, Protease-Free Bovine Serum Albumin

Bovine serum albumin (BSA) is used extensively as a carrier protein to dilute antibodies and as a general protein blocking Read More…