Table 3.

The cytokines encapsulation efficiency of CSO/H NPs-modified CAG scaffold in various cytokines/NP (w/w) ratios

Group	2 µg/mg	1 µg/mg	500 ng/mg	250 ng/mg
SDF-1 EE (%)	89.54±1.39	94.37±1.48	94.41±1.37	93.53±1.87
BMP-2 EE (%)	82.73±2.95	92.67±1.82	92.85±1.52	93.78±1.25

Note: The cytokines/NP (w/w) ratios are 2 µg, 1 µg, 500 ng and 250 ng: 1 mg.

Abbreviations: BMP-2, bone morphogenetic protein-2; CAG, chitosan-agarose-gelatin; CSO, chitosan oligosaccharide; EE, encapsulation efficiency; H, heparin; NP, nanoparticle; SDF-1, stromal cell-derived factor 1.