11104
After physicochemical studies including in vitro release , X - ray powder diffraction , differential scanning calorimetry , and scanning electron microscopy , in vivo studies were conducted using nanoparticles sized 195nm with 3 . 16 % drug loading .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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