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Representative phase-contrast photomicrographs of rat primary neonatal Schwann cells (SC) seeded in culture medium (K+), 0.2% hyaluronic acid (0.2% HA), 0.4% HA, and 0.4% modified hyaluronic acid-laminin-hydrogel (0.4% M-HAL). Initial cell density was 300,000 SCs per well. While the cell density after 1 day (DIV 1, top row) seemed to be lower in 0.4% M-HAL, a similar dense cell layer was seen after three days in vitro (DIV 3, bottom) for all conditions. Scale bar: 200 µm.
