To assess gene expression in each small bit of tissue, researchers expose its RNA to a gene chip, or DNA microarray.
为了评价每小片组织中的基因的表达情况，研究人员将它的RNA暴露给一个基因芯片，或者DNA阵列。
This image from a gene chip shows the activity of thousands of genes from tissue taken from a section of the hippocampus.
这张照片来自于基因芯片的图片展示了由海马体的一个部分取得的组织上成千上万的基因的活动。
The so-called microNMR chip, which uses magnetic nanoparticles to measure proteins and other chemical compounds in tumors, requires only tiny amounts of tissue to make a diagnosis, researchers said.
所谓的 microNMR 芯片，是用磁纳米粒测量癌变肿瘤中的蛋白质和其他化合物，只需要很少数量的组织就可以完成一次诊断，研究人员称。
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