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Endotoxin-Free Proteins,
Made in the USA
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Sino Biological now offers high-quality recombinant proteins made in North America—including a growing line of endotoxin-free proteins designed to meet the strict demands of biomedical and preclinical research. Our facilities in Houston, Texas and Vancouver, Canada support faster turnaround, reliable local supply, and high-quality standards tailored to the needs of researchers across the continent. We are also proud to offer comprehensive CRO services, including custom protein production and stable cell line development.
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U.S. Made Endotoxin-Free Products: Our Assurance of Quality
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Endotoxin-free plasmids and specialized mammalian expression systems
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Endotoxin-free buffer with filtration
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Low endotoxin-affinity plastic containers
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Regular Clean-in-place (CIP)
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Learn More 
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Featured Endotoxin-free Proteins
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Human B7-H3 Protein (ECD, His Tag), Endotoxin-Free
SEC-MALS validated Cat#: 11188-H08H-UE
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High Purity
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≥ 90% as determined by SDS-PAGE & SEC-HPLC
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Bioactivity verified by ELISA
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Immobilized Enoblituzumab-Derived anti-Human B7H3
antibody can bind Human B7-H3 Protein (Cat#: 11188-H08H-UE), the EC50 is 6.7 ng/mL.
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More Endotoxin-free Proteins
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BQL: below the quantification limit
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View More Endotoxin-Free Proteins 
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Choosing Sino Biological For Recombinant Production
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Center for Bioprocessing (C4B); Houston, TX
Recombinant Protein and Antibody Production in Mammalian System
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• Premium recombinant services in the US, focusing on mammalian expression systems
• Next day shipping
• High quality with lowest ET
• Flexible volume-based pricing
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SignalChem Biotech; Vancouver, Canada
Recombinant Protein Production and Compound Profiling
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• Premium recombinant services (Enzymes), focusing on insect and E. coli systems
• Next day shipping
• Compound profiling (ADP Glo) & ADC conjugation
• Analytical stable cell line generation & cell-based assays
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Learn More about Our One-stop CRO Services 
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Promotion
Order any CRO Service with 20% OFF and Get a Chance to Win a $1000 Travel Award!
Learn More > > >
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