Table 1. Quantification of the amount of RGD peptide on the PLN using 9,10-phenanthrenequinone. The data are represented as mean±SD. n=3.

RGD-PLN (RGD feed concentration)	RGD concentration detected (μmol/L)	RGD coating efficiency
RGD-PLN (Low or 1%) (1.7 μmol/L)	0.8±0.4	50%±18%
RGD-PLN (Med or 10%) (16.6 μmol/L)	7.7±1.4	46%±8%
RGD-PLN (High or 30%) (49.7 μmol/L)	24.2±1.1	48%±6%