{"id":"https://openalex.org/A5110146963","orcid":null,"observed_orcids":[],"display_name":"Edmar Pereira Marques","raw_author_names":["E. P. MARQUES","E. P. Marques","E.P. Marques","Edmar Marques","Edmar P Marques","Edmar P. Marques","Edmar Pereira MARQUES","Edmar Pereira Marques","Marques, Edmar P."],"full_name":"Edmar Pereira Marques","works_count":63,"cited_by_count":2510,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":19,"i10_index":27},"ids":{"openalex":"https://openalex.org/A5110146963","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I169045520","ror":"https://ror.org/00p9vpz11","display_name":"Universidade Federal da Para\u00edba","country_code":"BR","type":"education","lineage":["https://openalex.org/I169045520"]},"years":[2012]},{"institution":{"id":"https://openalex.org/I17974374","ror":"https://ror.org/036rp1748","display_name":"Universidade de S\u00e3o Paulo","country_code":"BR","type":"education","lineage":["https://openalex.org/I17974374"]},"years":[1991,1989]},{"institution":{"id":"https://openalex.org/I4210148707","ror":"https://ror.org/04ja5n907","display_name":"Universidade Estadual do Maranh\u00e3o","country_code":"BR","type":"education","lineage":["https://openalex.org/I4210148707"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I47327664","ror":"https://ror.org/043fhe951","display_name":"Universidade Federal do Maranh\u00e3o","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]},"years":[2023,2022,2019,2018,2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,1995,1991]}],"last_known_institutions":[{"id":"https://openalex.org/I47327664","ror":"https://ror.org/043fhe951","display_name":"Universidade Federal do Maranh\u00e3o","country_code":"BR","type":"education","lineage":["https://openalex.org/I47327664"]}],"topics":[{"id":"https://openalex.org/T10212","display_name":"Electrochemical sensors and biosensors","count":31,"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/T11434","display_name":"Electrochemical Analysis and Applications","count":30,"subfield":{"id":"https://openalex.org/subfields/1603","display_name":"Electrochemistry"},"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/T10030","display_name":"Electrocatalysts for Energy Conversion","count":20,"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/T10180","display_name":"Analytical chemistry methods development","count":20,"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/T10507","display_name":"Biodiesel Production and Applications","count":14,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10212","display_name":"Electrochemical sensors and biosensors","value":9.51e-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/T10507","display_name":"Biodiesel Production and Applications","value":9.33e-05,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"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/T11434","display_name":"Electrochemical Analysis and Applications","value":9.26e-05,"subfield":{"id":"https://openalex.org/subfields/1603","display_name":"Electrochemistry"},"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/T12305","display_name":"Cassava research and cyanide","value":5.22e-05,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10030","display_name":"Electrocatalysts for Energy Conversion","value":4.35e-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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9770644903182983},{"id":"161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","score":0.9288915395736694},{"id":"17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","score":0.6724390387535095},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.4028834402561188},{"id":"147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","score":0.16606605052947998}],"counts_by_year":[{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2006,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":140},{"year":2013,"works_count":6,"oa_works_count":4,"cited_by_count":173},{"year":2014,"works_count":5,"oa_works_count":4,"cited_by_count":170},{"year":2015,"works_count":2,"oa_works_count":1,"cited_by_count":176},{"year":2016,"works_count":4,"oa_works_count":2,"cited_by_count":186},{"year":2017,"works_count":5,"oa_works_count":1,"cited_by_count":178},{"year":2018,"works_count":4,"oa_works_count":3,"cited_by_count":187},{"year":2019,"works_count":4,"oa_works_count":3,"cited_by_count":161},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":165},{"year":2021,"works_count":2,"oa_works_count":1,"cited_by_count":146},{"year":2022,"works_count":2,"oa_works_count":1,"cited_by_count":140},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":93},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":139},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":60},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":42}],"display_name_alternatives":["E. P. MARQUES","E. P. Marques","E.P. Marques","Edmar Marques","Edmar P Marques","Edmar P. Marques","Edmar Pereira MARQUES","Edmar Pereira Marques","Marques, Edmar P."],"block_key":"e marques","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110146963","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5110146963","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}