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The PSL Alliance

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About Yashraj Biotechnology

Yashraj Biotechnology Limited is an ISO 13485 and FDA (India) approved company. They are large scale manufacturers of antigens and antibodies of diagnostic relevance. Currently, YBL is manufacturing various antigens using three major routes such as native, recombinant and cell derived antigens. Their products have wide range of usage such as standards, calibrators and immunogens. Their cell culture unit produces antibodies with high specificity, in mouse and rabbit system.


Largest bulk suppliers of native antigens, with all required regulatory approvals to ensure a stable supply line of antigens.

Recombinant antigens customized as per customer’s specifications.
OEM arrangement for native as well as recombinant antigens and antibodies.

Induced Pluripotent Stem cell products, such as Cardiomyocytes, Hepatocytes, etc.

Phage Display Library for Antibodies



Cancer Antigens



PAPP-A and Prolactin


  • antibodies
  • in vitro reagents
  • proteins

Custom Services

Antibody Purification

Cell Culture

IVD Reagents

MAb Production

Phage Display

Protein Purification