We supply research antibodies, assay kits, proteins, and peptides to meet a wide range of research needs with a 100 percent satisfaction guarantee. The price of the products is very competitive.
>> Primary Antibodies
More than 30,000 primary antibodies are available to meet your western blot, immunofluorescence, ELISA, and other assay needs.
>> Secondary Antibodies
With more than 50 varieties of secondary antibody, and offering 5 different conjugation options (unconjugated, FITC-, HRP-, Biotin- and Gold-conjugated) for you.
>> ELISA Kits
Enzyme-linked immunosorbent assay kits (ELISA) ease the process of detecting molecules or performing ligand-binding assays.
>> CLIA Kits
Chemiluminescence immunoassay (CLIA) is a new stage in the development of immunoassay, which is widely recognized for its environmental protection, rapid and accurate characteristics.
>> Proteins
Proteins are macromolecules, made from long chains of amino acid residues.
Featured Products

IHC Guaranteed Antibodies
A wide range of immunohistochemistry (IHC) validated primary antibodies supplied by ST John's laboratory are suitable for IHC application, from pathology and cancer research to immunology and usual biomarkers.
IHC Guaranteed Antibodies against targets include popular cancer biomarkers and immune targets, such as: