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Ring Analysis for Bone Growth into Scaffold. (A) Outer ROI diameters were 6.0, 4.84, 3.67, and 2.50 mm for Rings 1, 2, 3, and 4, respectively. (B) Percentage bone ingrowth (bone volume divided by available pore space) showed that 65 μg/mL adsorbed group had significantly more ingrowth than either of the conjugated groups. (C) Sixty-five μg/mL adsorbed group resulted in the same bone penetration throughout the scaffold. *p<0.05. Color images available online at www.liebertpub.com/tec
