The lids of DMEM/F-12, HEPES medium (Cat. No. 31330038, 11330032, 31330095, 11330057, 11330107) have a different color now. Have there been any changes in the composition of the medium?
The color change of the lid has no effect on the sterility or functionality of the product. There has been no change to the end product DMEM/F-12, HEPES medium (Cat. No. 31330038, 11330032, 31330095, 11330057, 11330107); the medium still has the same composition.
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Do you offer DMEM/F12 medium without folic acid?
We do not offer DMEM/F12 medium without folic acid as a standard catalog product. However, 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.
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What is the shelf life of the DMEM, high glucose, pyruvate medium once the bottle is opened and the medium is supplemented?
We do not provide stability data for the product once it is opened as it would depend on the usage and storage conditions.
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Is it necessary to store DMEM, high glucose, pyruvate medium in the dark?
Yes, the medium should be stored in the dark because there are some components in the medium such as HEPES, Tryptophan, and Riboflavin, etc. that are sensitive to light.
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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.
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