30104
We report an on - chip gradient generator that has been designed , modelled , fabricated , and characterized to facilitate temporal tuning of several unique gradients in parallel for multiple applications .
 None
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:  
Answer:
 None