InVivoMAb Antibodies
Our InVivoMAb™ antibodies are specifically formulated for in vivo use. They feature greater than 95% purity, ultra-low endotoxin levels, and are preservative, stabilizer, and carrier protein-free
InVivoPlus Antibodies
Our InVivoPlus™ antibodies feature all the great qualities of our InVivoMab™ antibodies. The InVivoPlus™ versions of our products are structurally and functionally identical to the InVivoMab™ versions with the added benefit of additional QC measures.
InVivoSIM Antibodies
Our InVivoSIM™ non-therapeutic antibodies are research grade biosimilar monoclonal antibodies that have the same active biological component as the original therapeutic antibodies.
RecombiMAb Antibodies
Our RecombiMAb™ antibodies are recombinant monoclonal antibodies with the identical antigen binding variable domains as the traditional clones that they are derived from, but the IgG constant regions have been switched from rat or hamster IgG to mouse or human IgG.
Isotype Controls
Bio X Cell offers a wide selection of isotype control antibodies. Choosing the correct isotype control antibody is an important part of most antibody-based experiments.
ReadyTag Antibodies
Recombinant proteins are often produced in vitro with a small antigenic sequence to which an antibody can bind specifically.
Fusion Proteins
Fusion proteins are typically constructed by combining the binding domain of a cell surface receptor with the Fc portion of an antibody.
InVivoPure Dilution Buffers
Our InVivoPure™ dilution buffers are specifically formulated and tested to satisfy the stringent requirements for in vivo applications.


For more than 20 years, scientists have trusted Bio X Cell as their go-to source for in vivo functional grade antibodies. We take this responsibility to heart and have always focused our efforts on one goal: producing the highest-quality antibodies with the best value possible. Our unwavering commitment to scientists has inspired us to create and optimize a proprietary in vivo antibody manufacturing method with significant advantages which directly benefit our customers.

The Gold Standard For In Vivo Monoclonal Antibodies
  • Products with unparalleled quality manufactured in the U.S. Our industry-leading InVivoMAb and InVivoPlus antibodies are all manufactured in our own facility in the U.S. and never outsourced from another manufacturer.
  • Extensive library of product citations in peer-reviewed publications. These publications not only provide an unbiased source of antibody validation but also an invaluable source of protocol details for in vivo experiments to help accelerate research findings.
  • Expert technical support and customer service. Our dedicated support team includes PhD scientists with extensive pre-clinical research experience, who strive to provide well thought out answers to your questions with lightning speed.
  • Best in industry value and instant product availability. You can count on us to have the critical reagents you need in stock at the moment you need them.
  • An ever-growing selection of functionally active, blocking, neutralizing and agonistic antibodies. These products cover a wide range of research areas including cancer, immunology, and more.
  • The Bio X Cell One-Year Shelf-Life Guarantee. We stand by the quality of our products and offer a one-year shelf-life guarantee. In the rare event that an antibody does not perform as indicated on the datasheet, we will provide a replacement or credit without hesitation. 
Bio X Cell Products Feature
  • Exceptional Purity Our optimized proprietary antibody manufacturing method ensures an ultra-pure antibody solution without added proteins or chemicals. Each lot is QC tested for purity using SDS-PAGE.
  • Ultra-low Endotoxin Levels The level of endotoxin is QC tested for each lot. Our InVivoMAb products are at or below 2EU/mg and InVivoPlus products are at or below 1EU/mg. If endotoxin levels below 1EU/mg are required, please simply contact our technical support for details.
  • Pathogen Free Each lot of InVivoPlus product is screened for an exhaustive panel of murine pathogens. The results are detailed on product-specific datasheets, to help you adhere to IACUC and Animal Facility requirements.
  • Advanced Binding Validation We utilize a library of recombinant proteins and our bioassay expertise to validate that each lot of applicable InVivoPlus antibody binds strongly and specifically to its target antigen.
  • Low Protein Aggregation Our proprietary antibody manufacturing method ensures an antibody solution with very low levels of protein aggregation. Additionally, each lot of InVivoPlus product is QC tested for aggregate level and guaranteed to be below 5% of the total protein.
  • Matching Isotype Control Antibodies Bio X Cell carries a wide selection of non-binding isotype control antibodies. This takes the guesswork out of finding the correct control for your antibody.

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COVID-19 Update: Due to the ongoing pandemic and delays in the international supply chain, the shipping time is approximately 18 – 22 Business Days

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