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Defined Bioscience is a San Diego-based biotechnology company focused on making fully defined, best-in-class ingredients for stem cell culture, with applications in the life science, biopharmaceutical, and cultivated meat sectors. Our products include growth media like HiDef-B8, a fully defined animal-free growth medium for stem cells; growth factors like FGF2-G3, a thermostable variant of FGF2 with half-life improved from 10-12 hours to over three weeks in relevant cell culture conditions; and cell culture supplements like Ready-CEPT, which improves viability and freeze-thaw recovery of a wide range of cell types compared with conventional ROCK inhibitors and other small molecules.