计算溶液所需的质量、体积或浓度。
Recombinant Human IL-9 Protein (rp147650) - Protein Bioactivity
Measured in a cell proliferation assay using MO7e human megakaryocytic leukemic cells in the presence of 10 ng/mL of recombinant human SCF. The ED₅₀ for this effect is typically 0.5 - 2.0 ng/mL.