{"id":"https://openalex.org/keywords/nutrient-diffusion","display_name":"nutrient diffusion","description":"The movement of nutrients through materials or environmental boundaries by concentration gradients, studied in biology and environmental science.","display_name_alternatives":["diffusion of nutrients","nutrient diffusive transport"],"ids":{"openalex":"https://openalex.org/keywords/nutrient-diffusion","wikidata":null},"primary_topic":{"id":"https://openalex.org/T11829","display_name":"Mathematical Biology Tumor Growth","score":0.2574,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11829","display_name":"Mathematical Biology Tumor Growth","score":0.2574,"subfield":{"id":"https://openalex.org/subfields/2611","display_name":"Modeling and Simulation"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11190","display_name":"3D Printing in Biomedical Research","score":0.0782,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":1067,"cited_by_count":32842,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/nutrient-diffusion","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}