CUSABIO TECHNOLOGY LLC Verified partner
CUSABIO Technology LLC is a national high-tech biotechnology enterprise integrating research, production, and global distribution of life science reagents. Since its founding, the company has become a trusted partner to researchers worldwide, offering a comprehensive portfolio of antibodies, recombinant proteins, ELISA kits, and related products.
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CUSABIO supplies more than 60,000 validated antibodies, 13,000+ recombinant proteins, hundreds of cytokines, and thousands of ELISA kits, supporting research fields such as cancer biology, immunology, neuroscience, epigenetics, and cell biology.
The company’s products are widely cited in leading scientific journals including Nature, Science, and Cell, demonstrating their reliability in research applications.
What makes CUSABIO TECHNOLOGY LLC different
60,000+ validated antibodies
Primary and secondary antibodies across signaling, cancer, immunology, and neuroscience targets.
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Monoclonal and polyclonal antibodies validated for WB, IHC, IF, ELISA, and flow cytometry, each supplied with datasheets and citations for reproducible target detection.
13,000+ recombinant proteins
Cytokines, growth factors, enzymes, and antigens across multiple expression systems.
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Proteins are expressed in E. coli, yeast, insect, and mammalian systems and supplied with purity and activity data, supporting binding, functional, and structural studies.
ELISA kits with multi-species reach
Thousands of ELISA kits for biomarker quantification across human and animal species.
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Sandwich and competitive kits cover cytokines, hormones, and disease markers and are cited in leading journals, giving quantitative readouts with validated sensitivity.
Where they're strong
CUSABIO reagents support a wide range of molecular biology and immunology techniques used in academic and pharmaceutical research.
Product lines & services
CUSABIO offers a comprehensive catalog of biological reagents designed for molecular biology, immunology, and drug discovery research.
News & announcements

Types of ELISA: Choosing the Right Format
A format-by-format guide to the main types of ELISA — sandwich, competitive, indirect, direct, capture, bridging, high-sensitivity and QuickTest — with a decision matrix...
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Low-Endotoxin, Bioactive Recombinant Protein: A Buyer's Guide for Functional Assays
How to choose a bioactive, low-endotoxin recombinant protein for functional assays — reading activity, endotoxin and expression-system data before you stimulate.
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Quality control & documentation
CUSABIO provides detailed technical documentation and validation data to support reproducible experimental results.
Lead time & shipping
Shipping timelines depend on product availability and customization requirements.
Request a quote from CUSABIO TECHNOLOGY LLC
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