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Platelet adhesion on Collagen-I (Collagen), Stainless Steel (SS), PA-YK, and PA-YK-NO nanomatrices evaluated by incubating these surfaces with fluorescently labeled human blood for 90 minutes. Results are expressed as platelets adhered per unit area. Data represent the mean of four samples. Error bar represents mean ± standard deviation. (*: p < 0.05 compared to collagen, #: p<0.05 compared to SS).
