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BSA-Digoxigenin Conjugate

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SDS COA_Lot#091219

Digoxigenin is a steroid isolated from Digitalis plants and frequently used for biodetection purposes. This BSA-digoxigenin conjugate is designed with a flexible linker to allow easy interaction between digoxigenin and other detection molecules, and is synthesized at CellMosaic for our customers' usage in immunization or immunoassay. A linker is first added to digoxigenin site-specifically via its OH group and then digoxigenin is labeled at the surface amines of BSA. BSA has a high amount of digoxigenin loaded without any additional aggregation. The final conjugate is lyophilized from phosphate buffered saline containing sugar-based stabilizer for easy shipping and storage. 

The product is sold as either 1 vial of 1 mg (Cat# CM52107_1MG) or 5 vials of 1 mg (Cat# CM52107_5MG). For bulk orders, please contact us for a quote.

Chemical Information

  • Chemical name: BSA-Digoxigenin Conjugate
  • Chemical formula: N/A
  • Molecular weight: 70KDa;           CAS number: N/A


  • Physical appearance: white to off-white preservative-free lyophilized powder in a 2.0 mL centrifuge tube
  • Storage temp.: -20 °C
  • Purity: ≥ 99 % of conjugates by HPLC
  • Average Digoxigenin over BSA ratio: 17 by MS (current batch)


Selected few references using digoxigenin detection system:

  1. Martin R. et. al. A highly sensitive, nonradioactive DNA labeling and detection system. Biotechniques. 1990, 9, 762-768.
  2. Bautista J.; Mateos-Nevado MD. Immunological detection and quantification of oxidized proteins by labelling with digoxigenin. Biosci Biotechnol Biochem 1998, 62, 419-423.
  3. Heyduk E.; Hickey R.; Pozzzi N.; Heyduk T. Peptide ligand-based ELISA reagents for antibody detection. Anal Biochem. 2018, 559, 55-61.
  4. Komminoth P. Digoxigenin as an alternative probe labeling for in situ hybridization. Diagn Mol Pathol. 1992, 1, 142-150.

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