Figure 6 .

Serum insulin levels. After oral administration of insulin-loaded PLGA/HP55 nanoparticles (50 IU/kg) and SC injection of insulin solution (5.0 IU/kg) in diabetic rats (mean ± S.D., n = 3).

Wu et al. Nanoscale Research Letters 2012 7:299   doi:10.1186/1556-276X-7-299
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