BioLegend is committed to simplifying complex research by providing custom solutions with our signature commitment to quality, value and customer support. Learn how we can offer custom reagents and services for all aspects of your experimental workflow.

Conjugations and antibody cocktails
We offer affordable, high-quality custom cocktails for fluorophore and TotalSeq™ options. Our custom fluorophores cocktails are available in liquid, lyophilized and dry formats. Our lyophilized and dry cocktails now include Brilliant Violet™ and StarBright™ dyes.
*Our StarBright conjugates are available for RUO and clinical research applications.

Custom reagents
We provide custom solutions to support your discovery pipeline. Our products include custom fluorophore and oligo conjugations (including TotalSeq™), recombinant proteins and antibodies, as well as custom ELISA and LEGENDplex™ immunoassays for quantifying multiple analytes in biological samples.

Custom manufacturing and testing services
From custom research projects to sample testing and manufacturing scale-up, see how our services can advance your unique research goals.

Custom requests form
Do you have a project in mind, or are you curious to learn more about our custom process? Start your project by filling out a short form so we can understand your needs and ensure your requirements are met.

Bioprocessing Contract Development and Manufacturing Services
We provide end-to-end service to design and manufacture custom GMP ancillary materials for downstream cell bioprocessing use. This includes a dedicated GMP suite, with capabilities designed in accordance with established guidelines for cell therapy/ ATMPs in addition to our ISO 13485:2016 quality management system:
• USP<1043>: Ancillary Materials for Cell, Gene, and Tissue Engineered Products
• Ph. Eur. 5.2.12: Raw Materials of Biological Origin for the Production of Cell-Based and Gene Therapy Medicinal Products
Build Your Own Panel
Need help deciding which LEGENDplex™ Assays are right for your research? We are here to help you make those decisions.
After selecting host specificity, begin by checking your analyte targets of interest. After each selection, the tool will update and display a list of the Pre-defined panels that contain those targets.

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