{"id":"https://openalex.org/A5040097331","orcid":null,"observed_orcids":[],"display_name":"CJ Leo","raw_author_names":["C Osuji Leo","C. Osuji Leo","CJ Leo","Leo, C. Osuji"],"full_name":"C. Osuji Leo","works_count":7,"cited_by_count":19,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5040097331","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I100116408","ror":"https://ror.org/005bw2d06","display_name":"University of Port Harcourt","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]},"years":[2013,2011]},{"institution":{"id":"https://openalex.org/I110525433","ror":"https://ror.org/01kzn7k21","display_name":"Islamic Azad University, Tehran","country_code":"IR","type":"education","lineage":["https://openalex.org/I110525433"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I96576516","ror":"https://ror.org/01kr7aq59","display_name":"Rivers State University","country_code":"NG","type":"education","lineage":["https://openalex.org/I96576516"]},"years":[2011]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11630","display_name":"Petroleum Processing and Analysis","count":4,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10324","display_name":"Microbial bioremediation and biosurfactants","count":3,"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/T10122","display_name":"Toxic Organic Pollutants Impact","count":2,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T10399","display_name":"Hydrocarbon exploration and reservoir analysis","count":1,"subfield":{"id":"https://openalex.org/subfields/2211","display_name":"Mechanics of Materials"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10716","display_name":"Soil and Unsaturated Flow","count":1,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13046","display_name":"Electrokinetic Soil Remediation Techniques","value":4.67e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14224","display_name":"Oil, Gas, and Environmental Issues","value":2.47e-05,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11630","display_name":"Petroleum Processing and Analysis","value":2.3e-05,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10324","display_name":"Microbial bioremediation and biosurfactants","value":1.16e-05,"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/T11842","display_name":"Ultrasound and Cavitation Phenomena","value":1.09e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","score":0.7646157741546631},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.6976000070571899},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.6047782897949219},{"id":"112570922","wikidata":"https://www.wikidata.org/wiki/Q60528603","display_name":"Contamination","score":0.5411256551742554},{"id":"127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","score":0.3937999904155731}],"counts_by_year":[{"year":1996,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":4},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":3},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["C Osuji Leo","C. Osuji Leo","CJ Leo","Leo, C. Osuji"],"block_key":"c leo","works_api_url":"https://api.openalex.org/works?filter=author.id:A5040097331","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}
