21169
Moreover , specific methodologies combining identification of actives and biological evaluation in parallel , such as liquid chromatography - biochemical detection , frontal affinity chromatography - mass spectrometry and pulsed ultrafiltration - MS will also be presented .
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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:
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