{"id":"S2020010536","label":"Metal nanoparticles","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2020010536","normalized_label":"metal nanoparticles","broader":["http://id.loc.gov/authorities/subjects/sh85089689"],"aliases":["Metallic nanoparticles"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2020010536","provider":"lcsh","revision":"e20093a34f128573","taxonomy_revision":"f050b5d4780b1289","title":"Metal nanoparticles","url":"/topics/S2020010536","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13872283423250333698","address_version":"morton4x16-v1","coordinates":[0,481,39848,40960],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}