19659
In summary , our data suggest that some limited penetration of coated and uncoated ZnO - NP may occur into viable stratum granulosum epidermis adjacent to furrows , but that the extent is not sufficient to affect the redox state of those viable cells .
 Chemical: ZnO
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: ZnO 
Answer:
 Chemical: ZnO