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Micrographs of the surface of uncoated and plasma polymer (PP)-coated polystyrene (PS) culture dishes after 7-day exposure to the culture medium (without cells). CPA-10, CPA-33, CPA-150: PPs were deposited at the average RF power (Pav) of 10, 33, and 150 W, respectively. CPA-150a, CPA-150b, CPA-150c show different regions with different magnifications on the CPA-150 sample.
