“He Yuan Li Ji” was established as a joint venture between He Yuan Bio (stock code: 688238) and Li Ji Bio, with its core business centered on the “Li Ji Bio” and “Life-ilab” reagent brands.

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How long can fetal bovine serum be stored at 4°C?

Publication date:2026-10-29
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Fetal bovine serum can typically be stored at 4°C for 6 to 12 months. However, this is not an absolute guideline; the actual shelf life depends on various factors, such as the serum’s quality, the airtightness of the container, and the stability of the refrigerator. To ensure optimal quality, it is recommended to use the serum within three months of purchase. For long-term storage, freezing at −20°C or lower is preferable, which can extend its stability to 1–2 years or even longer. Note that each time you aliquot the serum, avoid repeated freeze–thaw cycles to prevent loss of proteins and nutrients. Before use, carefully read the product instructions and follow the manufacturer’s recommendations.