人胶原蛋白 Ⅰ 型

人胶原蛋白 Ⅰ 型, from human placenta, liquid, 1 mg/mL, suitable for cell culture, used for gel formation

人胶原蛋白 Ⅰ 型, from human fibroblasts, liquid, 3 mg/mL, suitable for cell culture