10517
The SERS nanoruler mechanism incorporates two important aspects ( the LSPR scattering peak shift and the Raman shift for measuring interparticle distance ) , and signifies their exact one - to - one correspondence after spectral correction .
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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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