4059
At the SPIDIA facility responsible for coordinating the study , the survey data were classified , and the extracted RNA samples were evaluated for purity , yield , integrity , stability , and the presence of interfering substances affecting RT - qPCR assays .
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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