16602
New insight into artifactual phenomena during in vitro toxicity assessment of engineered nanoparticles : study of TNF - alpha adsorption on alumina oxide nanoparticle .
 Chemical: alumina oxide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: alumina oxide