24170
Here we report a facile fabrication method of self - doped sulfonated polyaniline ( SPAN ) - based interdigitated electrodes ( IDEs ) for controlled electrical stimulation of human osteosarcoma ( HOS ) cells .
 Chemical: sulfonated polyaniline; Chemical: SPAN
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: sulfonated polyaniline; Chemical: SPAN