The surface antigen , E antigen , front S1 antigen are negative , the surfaceantibody , E antibody , core antibody are positive , make an explanation once meaning , whether regards or not please?
表面抗原、E抗原、前S1抗原呈阴性，表面抗体、E抗体、核心抗体呈阳性，请解释一下意思，好不好？
2
In this study, researchers at the National cancer Institute, Maryland, used an antibody which targets proteins on the surface of cancerous cells.
在这项研究中，马里兰州国家癌症研究所的研究员们，使用一种能够定位癌细胞表面蛋白质的抗体。
3
The feasibility of using protein A to immobilize antibody on the silicon surface of the imaging ellipsometry biosensor was investigated in this study.