24139
Herein , we employ the novel magnetic resonance technique Overhauser dynamic nuclear polarization enhanced nuclear magnetic resonance ( DNP ) , together with electron paramagnetic resonance ( EPR ) line shape analysis , to concurrently quantify local molecular and hydration dynamics , with species - and site - specificity .
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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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