Custom antibody services

XcessBio provide customized services for polyclonal and monoclonal antibodies, including steps of antigen design, immunogen preparation, antibody development, antibody purification, modification, validation, and immunoassay development. To guarantee sensitivity and specificity, please email us via

Custom antibody categories

  • Monoclonal antibody — higher specificity and lower batch variability compared to Polyclonal antibody
  • Polyclonal antibody — Pathogen-free animals for specific polyclonal antibodies (pAbs) against your desired target
  • Site-Specific antibody — PTMs (post-translational modifications), including phosphorylation, methylation, and acetylation
  • Optional antibody services — All other customer antibody services

Service Highlights

  • Free antigen design — design of a suitable antigen for your research
  • Wide species — antibodies in species including rabbits, mouse, rat, and guinea pigs
  • Optional antigen — antigens provided by you or expressed in our lab