9075
The laser - induced size reduction of aqueous noble metal nanoparticles has been the subject of intensive research , because of the mechanistic interest in the light - nanoparticle interactions and its potential application to size control .
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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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