{"in": [], "out": "Digest mESCs"}
{"in": ["0.05% trypsin"], "out": "mESCs"}
{"in": [], "out": ""}
{"in": ["sgRNAs analysis (SPH primers)"], "out": "positive colonies"}
{"in": [], "out": ""}
{"in": [], "out": "single cells"}
{"in": [""], "out": ""}
{"in": [], "out": ""}
{"in": ["positive colonies"], "out": "positive colonies"}
{"in": [], "out": "fluorescence images"}