{"action": "keep", "output": "", "reagent": ["MonoMac6 cells"], "temperature": ["on ice"]}
{"action": "add", "output": "samples", "reagent": ["assay buffer"]}
{"action": "withdraw", "output": "", "reagent": ["samples"], "time": ["different times"]}
{"action": "add", "container": [""], "output": "PBS", "reagent": ["4% PFA"], "volume": [""]}
{"action": "incubate", "output": "PBS", "reagent": ["PBS"], "temperature": [""], "time": ["30 min"]}
{"action": "incubate", "output": "", "reagent": ["PBS"], "temperature": [""], "time": ["30 min"]}
{"action": "repeat", "output": "", "reagent": [""]}
{"action": "repeat", "output": "the measurement steps", "reagent": [""]}