Assertion: spheroid's cell | /r/CapableOf | reach 70-80% confluence
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Source sentences:
text: When the cells reached 70-80% confluence, the cells were detached with 0.25% trypsin-EDTA (Gibco: Life Technologies, Carlsbad, CA, USA) and subcultured in a new culture dish at a density of cells/cm2 until subconfluent.