血浆也是血液的组成部分。血浆中大部分是水，除了水之外，还含有维生素、矿物质、蛋白质、激素和其他天然化学物质。
The blood is also made up of plasma. Plasma is mostly water. It also has some vitamins, minerals, proteins, hormones and other natural chemicals.
纯化的抗体不能直接用于其它已知抗原的检测，它是从天然兔血浆中分离出来的，通过蛋白A亲和色谱法制备。
The purified antibody is not directed against any known antigen. It was isolated from naive rabbit sera and prepared by Protein A chromatography.
血浆是血液的的另一组成部分。主要成分是水，此外，血浆的组成成分还包括维他命，矿物质，蛋白质，激素和其他天然化学物质。
Plasma is another part of the blood. It is mostly water. It also has some vitamins, minerals, proteins, hormones and other natural chemicals.
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