1494
The resulting solution can be used not only for spectroscopic analyses such as absorption , photoluminescence , and circular dichroism , but also for separation by density gradient ultracentrifugation , dielectrophoresis , chromatography , and polymer wrapping .
 None
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