{"in": [], "out": ""}
{"in": [], "out": ""}
{"in": [], "out": "no HSV1-TK"}
{"in": ["no HSV1-TK"], "out": "control"}
{"in": [], "out": ""}
{"in": ["PBS"], "out": ""}
{"in": [], "out": "the remaining total activities"}
{"in": ["0.1 N NaOH"], "out": ""}
{"in": [], "out": "cell lysate"}
{"in": ["1x Bradford protein assay reagent", "cell lysate"], "out": ""}
{"in": [], "out": "the absorbance"}
{"in": ["cell lysate"], "out": ""}
{"in": [], "out": "3H-Penciclovir"}
{"in": ["3H-Penciclovir"], "out": "a negative control"}
{"in": ["each sample"], "out": "3H-Penciclovir"}
{"in": ["3H-Penciclovir"], "out": "different samples"}
{"in": ["different samples"], "out": "an average reading/min"}
{"in": [], "out": "3H-PCV"}
{"in": ["3H-PCV"], "out": "3H-PCV"}
{"in": ["3H-PCV"], "out": "protein/total"}