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CHTS - ChoMaster HTS Transfection/Selection Medium


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The chemically defined protein and peptide-free ChoMaster minimal media are used for the long term preservation, gene transfection, routine maintenance and mass cultivation of Chinese Hamster Ovary (CHO) cells, particularly CHO-K1, CHO-DUKXB11 and CH-DG44 cells.

The ChoMaster Media display the following features:

  • The media exclusively contain small molecules characterized by their CAS and EINECS registry numbers
  • The media are free of proteins, peptides and complex additives such as hydrolysates and yeast extracts
  • The media are free of animal-derived components
  • The media are used for the routine maintenance and the long-term cryopreservation of the cells

The ChoMaster HTS medium is used to generate a freezing mixture for the long-term storage of pre-selected protein and peptide-free growing CHO cells. Furthermore, the ChoMaster HTS medium is particularly well-suited for serum-free gene transfection and selection. Working protocols for the preparation of cells for serum-free cryopreservation and stable gene transfection are provided as part of the ChoMaster System.