IR光谱研究结果表明，乌骨绵羊黑色素的基本结构与乌骨鸡基本一致，主要是真黑色素。
By using the technology of IR spectrum, the result showed that the basic structure of melanin of Black Bone Sheep is similar to silky fowl, and the mainly composition is eumelanin.
目的构建人黑色素浓集激素1型受体（MCHR1）真核表达载体，转染CHO细胞，建立稳定转染的CHO细胞系。
Objective To construct eukaryotic expressing vector of human melanin-concentrating hormone receptor 1(MCHR1), then to transfect CHO cells with the vector for establishment of stable CHO cell line.
目的 构建人G250真核表达载体，建立稳定表达人G250的小鼠黑色素瘤细胞系。
Objective To construct the human G250 eukaryotic expression vector and establish the stable B16 cell line expressing human G250 in mice.
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