attributes.tag: source_name
attributes.value: vasadrop_E8.5-23_i40
attributes.tag: protocol/barcodes
attributes.value: VASA-seq
attributes.tag: read format
attributes.value: Read 1 starts with a 6-nucleotide long UFI, followed by an 16 nucleotide long cell-specific barcode
attributes.tag: plate format
attributes.value: NA
attributes.tag: sample type
attributes.value: mouse embryo, E8.5