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In combination with superlocalization through point spread function fitting , we overcome the four - quadrant angular degeneracy of gold nanorods in the focal plane of the objective and resolve conformations of surface - bound anisotropic nanoparticles in unprecedented detail .
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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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