How light sensitive is RPMI 1640 media? Should I also be protecting it from LED light?
While we know that different wavelengths of light are worse than others for exposure, we would recommend as a best practice to protect the medium from all forms of light exposure including LEDs, as much as possible to ensure optimal performance, as several components within the medium are light sensitive, such as vitamins.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
What is the density (g/L) for RPMI 1640 Medium?
We have specific gravity information for RPMI 1640 Medium: 1.006 kg/L. In this case, the specific gravity is the same as density as the solvent is water.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
Do you offer RPMI 1640 medium without both methionine and phenol red?
We offer RPMI 1640 Medium, no methionine (Cat. No. A1451701) and also offer RPMI Medium, no phenol red (Cat. Nos. 11835030, 11835055, 11835063, and 11835105). However, we do not offer RPMI 1640 medium without both methionine and phenol red as a standard catalog product. Our Customs group can make it for you as a custom media. If you are interested, please complete this Custom order inquiry form PDF (https://www.thermofisher.com/content/dam/LifeTech/global/applied-sciences/pdfs/Bioproduction/Gibco-Custom-Media-Buffers-Request-Form.pdf) and email it to custommedia@thermofisher.com. Our Customs group will review your requirements and get back to you within a couple of days with pricing, ordering information, and lead time. After that, you have the choice of proceeding with an official order or declining.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
How long can I keep my media after supplementing with serum?
Generally speaking, media can be used for up to three weeks after supplementation with serum. There are no formal studies to support this, but it is the rule of thumb used by our scientists.
Find additional tips, troubleshooting help, and resources within our Mammalian Cell Culture Basics Support Center.
My medium was shipped at room temperature but it is supposed to be stored refrigerated. Is it okay?
We routinely ship media that require long-term storage in the refrigerator at room temperature. We have done studies on representative media formulations to show that media can be at room temperature for up to a week without a problem.
Find additional tips, troubleshooting help, and resources within our Mammalian Cell Culture Basics Support Center.