
The 211242 by NEST Scientific is the growth factor reduced (GFR) formulation of GelNest Matrix — a 5 mL basement membrane extract derived from mouse EHS tumor tissue, phenol red-free and LDEV-free. Contains laminin (~60%), type IV collagen (~30%), nidogen (~8%), and heparan sulfate proteoglycans. Used for differentiation, organoid, and angiogenesis assays requiring minimal endogenous growth factor interference.