Sai Ma (left), first author of the paper and a former biomedical engineering doctoral student, and Chang Lu, the Fred W. Bull Professor of Chemical Engineering at Virginia Tech.
![Sai Ma (left), first author of the paper and a former biomedical engineering doctoral student, and Chang Lu, the Fred W. Bull Professor of Chemical Engineering at Virginia Tech. Sai Ma (left), first author of the paper and a former biomedical engineering doctoral student, and Chang Lu, the Fred W. Bull Professor of Chemical Engineering at Virginia Tech.](/content/ceh_ictas_vt_edu/en/news/eng-geneswitching/_jcr_content/article-image.transform/m-medium/image.jpg)
In a study published in Science Advances, Center for Engineered Health faculty Chang Lu and his research team use a new microfluidic technology, SurfaceChIP-seq, to reveal significant differences in the molecular machinery that turns on and off gene expression between the cerebellum and prefrontal cortex of a mouse brain.