18333
Use of fluorescein isothiocyanate ( FITC ) - labeled chitosan derivates in confocal microscopy showed that LMW - TGA attaches to microbial cell walls , while transmission electron microscopy indicated that this derivative severely affects cell wall integrity and intracellular ultrastructure in all species tested .
 Chemical: fluorescein isothiocyanate; Chemical: FITC; Chemical: TGA
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: fluorescein isothiocyanate; Chemical: FITC; Chemical: TGA