Research Article

Preparation, Characterization, and Dissolution Rate In Vitro Evaluation of Total Panax Notoginsenoside Nanoparticles, Typical Multicomponent Extracts from Traditional Chinese Medicine, Using Supercritical Antisolvent Process

Figure 8

SEM image and PSD of TPNS nanoparticles precipitated from ethanol under optimum condition. (a) SEM image and (b) PSD.
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