Hu Recom IL-31, ACF, 100 µg

Hu Recom IL-31, ACF, 100 µg. Manufacturer: STEMCELL Technologies.

Animal component‑free (ACF) recombinant human interleukin‑31 provided as a lyophilized powder. ACF formulation reduces risk of animal-derived contaminants for sensitive cell culture applications. Store at ≤ -20°C and avoid repeated freeze–thaw cycles. Reconstitute in sterile buffer (for example PBS with 0.1% BSA) and prepare working dilutions fresh; expected assay range typically 1–100 ng/mL depending on application. Consult manufacturer-provided lot datasheet for purity, endotoxin and activity specifications.