13355
The ECL signals were logarithmically linear with the concentration of Ramos cells in a wide determination range from 500 to 1 . 0 x 10 ( 5 ) cells mL ( - 1 ) , and the corresponding detection limit was 300 cells mL ( - 1 ) .
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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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