13448
Due to the low release capacity of free soluble Ag from AgNP dissolution in the medium , it is most likely that the intracellular uptake of Ag was directly from AgNPs , triggering cellular oxidative stress that may be due to the release of free Ag inside plant cells .
 Chemical: Ag; Chemical: Ag; Chemical: Ag
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Ag, Ag, Ag 
Answer:
 Chemical: Ag; Chemical: Ag; Chemical: Ag