5247
Overall , our results suggest that Caco - 2 / HT29 / Raji B triple co - culture normal oriented cellular model may be reliable to obtain a more physiological , functional , and reproducible in vitro model of the intestinal barrier to study protein absorption , both in solution and when delivered by nanocarriers .
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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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