Expression Systems Media

Expression Systems media selection distributed by OET. Each media performs excellently and custom batches of media can be ordered, (min 20L).   ESF 921- after extensive in-house testing of ESF 921 we found that the medium performed extremely well for the culture of Sf21 cells, Sf9 cells and a range of T.ni cells for protein production and Sf21 and Sf9 for virus amplification. We offer the popular serum-free ESF 921 media in convenient 1 L bottles and can offer significant discounts for purchases of 3 x 1L, 5 x 1L and 10 x 1L orders, in addition to further discounts on bulk orders or regular orders that total above 10L. OET also offer a range of supplementary reagents and media. ESF AF (animal-free) - is available in 1L bottles and bulk media bags. This “Animal-Free” formulation for insect cells is certified 100% non-animal component and non-animal-derived component medium. ESF AF medium has been thoroughly tested on Sf9, Sf21, Tni and S2 cell lines and is comparable to ESF 921 for growth and expression. ESF AF is the logical choice for manufacturing under cGMP/FDA regulatory compliance and has a Drug Master File with the US FDA. It is the most technologically advanced formulation available.