{"in": [], "out": ""}
{"in": [""], "out": "the pellets"}
{"in": [], "out": "the supernatants (soluble fractions)"}
{"in": [], "out": "the BCA protein assay kit"}
{"in": ["the BCA protein assay kit", "the supernatants (soluble fractions)"], "out": ""}
{"in": ["100 mM HCl"], "out": "all future DNA library"}
{"in": ["naive DNA library"], "out": ""}
{"in": ["all future DNA library", "this treatment"], "out": ""}
{"in": ["temperature-treated DNA library (from step 6)"], "out": ""}
{"in": [], "out": "DNA"}
{"in": ["DNA"], "out": ""}
{"in": [], "out": "the DNA library"}
{"in": ["the DNA library"], "out": "the free DNA"}
{"in": [], "out": ""}
{"in": ["fluorescein", "the free DNA"], "out": ""}