Figure 4 | Scientific Reports

Figure 4

From: Complex Hydrogels Composed of Chitosan with Ring-opened Polyvinyl Pyrrolidone as a Gastroretentive Drug Dosage Form to Enhance the Bioavailability of Bisphosphonates

Figure 4

Lateral (A) and axial (B) swelling abilities of tablets prepared with ring-opened polyvinyl pyrrolidone (roPVP)/chitosan (CS) hydrogels composed of roPVP complexed with either low molecular weight (Mw) CS (L), medium Mw CS (M), or high Mw CS (H) at three roPVP:CS ratios of 20:1 (20-1), 20:5 (20-5), and 20:10 (20-10).

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