15540
We achieve a sensitivity equivalent to 740 pg of nanodiamond in 100 s of measurement time and a spatial resolution of 800 mu m over a 1 cm ( 2 ) field of view , and we show how the technique has the potential to yield images with combined high sensitivity ( ~ 100 fg nanodiamond ) AND high spatial resolution ( ~ 100 mu m ) over organism - scale fields of view , features which are mutually exclusive in existing imaging modalities except at the shallowest imaging depths .
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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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