16528
Gelatin nanoparticles with 200 - 300 nm can be produced using 20 - 30 mg mL ( - 1 ) of gelatin and a minimum of 7 % w / v stabilizer ( Poloxamer 407 or 188 ) .
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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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