13354
The specific identification and high - affinity between aptamers and target cells , gold nanoparticles ( AuNPs ) enhanced ECL nanoprobes , along with P5FIn induced ECL quenching contributed greatly to the sensitivity and selectivity .
 Chemical: P5FIn
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: P5FIn