Development and In-Vitro Evaluation of pH Responsive Polymeric Nano Hydrogel Carrier System for Gastro-Protective Delivery of Naproxen Sodium

Table 2

Entrapment efficiency and product yield of PEG-g-poly (MAA) nanogels.

Formulation	Entrapment efficiency (%)	Product yield (%)
N1	82.56 ± 0.24	90.00 ± 0.51
N2	82.87 ± 0.25	89.90 ± 0.27
N3	83.01 ± 0.23	92.00 ± 0.35
N4	84.89 ± 0.19	88.50 ± 0.42
N5	85.45 ± 0.18	87.10 ± 0.31
N6	88.40 ± 0.27	85.00 ± 0.32
N7	82.78 ± 0.21	87.10 ± 0.27
N8	81.98 ± 0.22	91.50 ± 0.21
N9	80.45 ± 0.27	87.70 ± 0.51

Average of three determinations, ±SD (standard deviation).