Monoclonal antibodies (mAbs)
Optimize your mAbs bioprocessing performance with industry-leading solutions




Downstream purification
Our industry-leading Avantor J.T.Baker® brand buffer product line and J.T.Baker® BAKERBOND™ chromatography resins, including the BAKERBOND® PROchievA™ recombinant protein A resin, are trusted for high performance in mAbs manufacturing. We also provide downstream optimization services, including column packing and process development support to streamline your operations.
Avantor supports every stage of the mAbs manufacturing process with fluid handling technologies, including single-use components, connectors, and assemblies as well as Masterflex® peristaltic pumps for aseptic fluid handling and storage. Our experts collaborate to design customized solutions that meet your exact process and compliance requirements, utilizing a global supply network for security and convenience.

Formulation, fill & finish
Avantor offers the highest purity excipients you need to progress from drug substance to final drug product, including adjuvants, stabilizers, preservatives, and bulking agents used in drug product formulation to minimize drug product degradation. We also offer packaging vials and stoppers that meet stringent internal and external quality requirements.

Environmental control
Maintaining aseptic conditions during the manufacturing or down packing process is part of managing your risk. We offer products from industry-leading manufacturers and support from our teams of specialists who have the technical and industry experience to recommend the best solutions to meet your needs.

Upstream processing
Our fully characterized products for upstream processing of mAbs are designed to support cell growth, consistency, and productivity while meeting the required quality and performance parameters. Avantor’s commitment to using an open architecture design of single-use assemblies allows the seamless transfer from process development to pilot scale and final commercial manufacturing.

Avantor's hydration solutions
Avantor is the ideal partner to develop innovative, customized, buffer solutions that save you time, resources, and money.


