23927
Abstract Objectives : Silver nanoparticles ( AgNPs ) with a size ranging from 7 to 70 nm were synthesized using the ascorbic acid - citrate seed - mediated growth approach at room temperature .
 Chemical: Silver; Chemical: ascorbic acid; Chemical: citrate
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: Silver; Chemical: ascorbic acid; Chemical: citrate