{"id":"https://openalex.org/A5075832306","orcid":null,"observed_orcids":[],"display_name":"N. P. Nkrumah","raw_author_names":["N. P. Nkrumah"],"full_name":"N. P. Nkrumah","works_count":1,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5075832306","orcid":null,"observed_orcids":[]},"affiliations":[],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10324","display_name":"Microbial bioremediation and biosurfactants","count":1,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10894","display_name":"Groundwater flow and contamination studies","count":1,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13793","display_name":"Environmental and Analytical Chemistry Studies","count":1,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10324","display_name":"Microbial bioremediation and biosurfactants","value":4.1e-06,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10894","display_name":"Groundwater flow and contamination studies","value":3.1e-06,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13793","display_name":"Environmental and Analytical Chemistry Studies","value":2.8e-06,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"112570922","wikidata":"https://www.wikidata.org/wiki/Q60528603","display_name":"Contamination","score":0.6423908472061157},{"id":"107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","score":0.5919674038887024},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.35325562953948975},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.08514523506164551},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.07222500443458557}],"counts_by_year":[{"year":2016,"works_count":1,"oa_works_count":0,"cited_by_count":0}],"display_name_alternatives":["N. P. Nkrumah"],"block_key":"n nkrumah","works_api_url":"https://api.openalex.org/works?filter=author.id:A5075832306","updated_date":"2026-10-10T12:59:14","created_date":"2017-01-06T00:00:00"}