Hemin and PenStrep stock solutions are used for complementation of synthetic and complex LEXSY cultivation media.

Please note:

• Hemin is essential for growth of LEXSY cultures.
• Addition of Pen-Strep prevents growth of bacterial contaminations.
• Following addition of these components the media can be used within two weeks.
  For specific instructions please, consult the particular media datasheets.
• If the completed media are to be used after this period, appropriate amounts of additives have to be re-added.