15133
The specific binding capacity and magnetic mobility of each type of microparticle were measured by a peroxidase - based colorimetric assay and by their magnetic field - induced motion in a viscous fluid , respectively .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None