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Protocols and guides for using YEX in your lab.

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Protocols

Receiving, thawing & passaging YEX

How to store and thaw YEX, make and store complete media, and passage and count cells.

Version 3 · October 2026

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Cryopreserving cells with YEX

How to freeze cells in 90% YEX + 10% DMSO and thaw them back into culture.

Version 1 · October 2026

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Application notes

Hybridoma culture & cryopreservation

Two hybridoma clones grown and cryopreserved in YEX vs. FCS, with comparable growth after 5 days and after thawing.

Biosynth Laboratories, UK · 2025

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Chick embryo fibroblast production and cryopreservation

Trypsin inactivation, cryopreservation and growth of chick embryo fibroblasts in YEX vs. FBS.

YEX Inc. · 2025

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