Hi everyone,

I'm having an issue with my S2 cell culture. They seem unhappy after 2-3 passages. They appear smaller, less round and blebbing shape and they seem to be secreting some sort of biomolecule that causes the bottom of the t-flask to have an off-white plaque. It is not bacterial contamination.

Here are the conditions:

We are using Scheinder's media with pen/strep 100ug/ml and insulin.

The cells are kept at 27 degrees.

If anyone has tips on how to keep these cells happy that would be fantastic.

Thank you in advance,

Taylor Lidster

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