“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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Where can I buy fetal bovine serum (FBS) for research purposes?

Publication date:2026-10-29
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It is available on the official website of He Yuan Li Ji Bio. Each batch of Li Ji fetal bovine serum undergoes rigorous screening of the original blood source and is subjected to three consecutive filtration steps through 0.1 μm membrane filters, with filter materials compliant with U.S. FDA requirements. The entire production process adheres to international standards for fetal bovine serum manufacturing and is subject to stringent quality control, including comprehensive physicochemical and microbiological testing. The serum contains proteins, amino acids, glucose, hormones, and other bioactive components; its protein fraction is primarily composed of albumin and globulins. A wide array of amino acids—essential for cellular protein synthesis—are present, some of which animal cells cannot synthesize on their own (known as essential amino acids). Hormones in the serum include insulin, growth hormone, and various growth factors such as epidermal growth factor, fibroblast growth factor, and insulin‑like growth factors. Additionally, the serum harbors numerous unidentified cell‑growth‑promoting factors, adhesion‑enhancing agents, and other bioactive substances that stimulate cell proliferation, growth, and attachment.