title: U87MG treated with negative control
design: U87-Cas13a-EGFRvIII cells were transfected with  Lipofectamine 3000 only for 4 hrs. Cells were trypsinized and resuspended in PBS containing 0.04% weight/volume BSA. Barcoded signal-cell GEMs were created by 10x Genomics ChromiumTM.