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. 2011 Sep 26;6(9):e25433. doi: 10.1371/journal.pone.0025433

Table 1. Entrapment efficiency and drug loading of NPs-cp (n = 3).

Batch Entrapment efficiency Drug loading
NPs-cp 70.9±2.6% 3.9±0.3%

The entrapment efficiency was calculated as the amount of cisplatin recovered from nanoparticles relative to the initial amount of cisplatin used for preparation. The loading efficiency of cisplatin was the amount of cisplatin recovered from nanoparticles relative to the amount of CMC and PLGA-mPEG.