如果原子是相同的，换句话说，如果我们有一摩尔全同的物质，我们没有办法区分这两种情况。
If the atom's are identical, in other words, if it's a mole of the same stuff, I don't have a way of distinguishing between those two.
方法：新鲜抗凝全血，经CD 14单克隆抗体标记，采用流式细胞仪区分单核细胞及其表面CD 14的表达。
Methods: Fresh anticoagulant blood was labelled by CD14 monoclonal antibody, then monocytes were identified and the expressions of CD14 were tested by flow cytometry.
结论：共刺激分子CD 154和ICOS的全血基因表达量能可靠的区分排异患者和对照患者。
CONCLUSIONS: The whole blood gene expression quantities of costimulatory molecules CD154 and ICOS reasonably robustly differentiated rejection patients from control patients.
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