2740
The second assay is a laminar flow dipstick assay , which has an assay range of 195 pg / ml to 50 ng / ml and provides quantitative assessment of KIM - 1 in 15 min .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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