{"id":"https://openalex.org/keywords/nacre","display_name":"nacre","description":"A layered organic-inorganic composite material secreted by some molluscs to line shells and form pearls.","display_name_alternatives":["mother of pearl"],"ids":{"openalex":"https://openalex.org/keywords/nacre","wikidata":"https://www.wikidata.org/wiki/Q215865"},"primary_topic":{"id":"https://openalex.org/T11278","display_name":"Calcium Carbonate Crystallization and Inhibition","score":0.5189,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11278","display_name":"Calcium Carbonate Crystallization and Inhibition","score":0.5189,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":3421,"cited_by_count":81212,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/nacre","updated_date":"2026-10-16T04:06:51","created_date":"2026-09-30T00:00:00"}
