Library of Variants Database

Library of Variants
Digital Database

Explore and Share Knowledge with Other Experts

  • A Compendium of Shared Cases Specific to Hemoglobin Variants

    Bio-Rad understands the importance of hemoglobinopathies. That's why we've partnered with the worldwide community in this field to create an online educational library where you can browse through unique case studies.

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The Bio-Rad Library of Variants* contains case reports of hemoglobin variants provided by a select group of reference centers within the worldwide community of laboratories actively working on detection of sickle cell, thalassemia and other hemoglobinopathies.

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Get Started

Visit our reference database of shared HPLC cases at to leverage the knowledge of the global community.


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Educate yourself

  • Educational Resources: Download articles and resources about thalassemias, sickle cell, and other hemoglobin disorders.
  • Institutional Resources: Link to more organizations and educational databases.
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Get connected

  • Educational References: Get chromotography tips from experts.
  • Laboratory Records: Find rare hemoglobinopathy cases from around the world.
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Share your knowledge

  • Join the Bio-Rad User Community
  • Share your cases


*The purpose of this Library is to aid healthcare professionals with the interpretation of hemoglobin variant chromatograms and to suggest further studies for the final identification of the hemoglobin variant. This collection should be used as a reference only. All information and materials provided in or through Bio-Rad's Library of Variants website (the "Site") are strictly intended for educational and informational purposes in the areas of assisting discussions and understandings in the field of general scientific research only. The Site is not intended to provide, and should not be relied on as a source of, any medical advice whatsoever. Therefore, any information contained herein is not intended and should not be relied upon as recommending or promoting a specific method, diagnosis, or treatment. Readers should consult with a specialist where appropriate. Bio-Rad and any authors, rights holders, and participants ("Provider(s)") who have provided any additional information herein make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all actual or implied warranties including, without limitation, any warranty of fitness for a particular purpose. No Provider shall be liable for any damages arising from any use of this site in any form or legal theory whatsoever. In light of continuing regulations, developments, and advancements in the field of scientific research, you are urged to review and evaluate the information provided on this Site and consider, among other things, any changes in the instructions or added warnings and precautions that may be required. Should you have any questions or concerns, please contact us at: