7512
The magnitude of maximum EF was not correlated to the number of cores in the nanoantenna or the spectral position of the LSPR , suggesting a separation between near - field SERS enhancement and far - field Rayleigh scattering .
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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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