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Featured Assay Kits

Looking for reliable assay kits for accurate, fast, and sensitive assays? AS ONE INTERNATIONAL (formerly known as B-Bridge International Life Science) is well recognized as a leading supplier of the assay kits for metabolism, diabetes and obesity research. You can find our well-referenced Adiponectin, Leptin, Resistin, and esRAGE ELISA kits, which provide a broad linear detection range, picograms per milliliter sensitivity, and highly specific antibodies and give you consistent and reliable colorimetric readings. With our beta-Amyloid assay kits, you can obtain accurate and reproducible measurements of beta-Amyloid levels in a variety of sample types to explore Alzheimer’s disease and neuroscience. In addition, our caspases assay kits, cathepsins assay kits and FLISP kits would help advance your apoptosis studies.

Assay Kits for Metabolism, Obesity and Diabetes

Adiponectin ELISA Kits

Leptin ELISA Kit


Resistin ELISA Kit

C-Peptide ELISA Kit



Triglyceride Assay Kit

Glucagon ELISA Kit

Albumin ELISA Kit


Insulin ELISA Kits

GPDH Activity Assay Kit

Serum Creatinine Detection Kit

Arg8-Vasopressin (AVP) Immunoassay Kit


Assay Kits for Apoptosis

Poly Caspases Assay Kit

Caspase 1 Assay Kits

Caspase 2 Assay Kits

Caspases 3 & 7 Assay Kits

Caspase 6 Assay Kits

Caspase 8 Assay Kits

Caspase 9 Assay Kits

Caspase 10 Assay Kits

Caspase 13 Assay Kits

Cathepsin B Assay Kit

Cathepsin K Assay Kit

Cathepsin L Assay Kit

FLISP Assay Kits


Assay Kits for Neuroscience

beta Amyloid ELISA Kits


Assay Kits for Antibody Drug Development and Monitoring

Recovery ELISA IgE/Omalizumab Kit

Recovery ELISA TNF-alpha Neutralization Rate/Adalimumab Kit

Recovery ELISA TNF-alpha Neutralization Rate/Infliximab Kit