{"id":"https://openalex.org/A5000155243","orcid":null,"observed_orcids":[],"display_name":"Erna Brennecke","raw_author_names":["Brennecke, E.","E. Brennecke","Erna Brennecke"],"full_name":"Erna Brennecke","works_count":16,"cited_by_count":29,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":3,"i10_index":1},"ids":{"openalex":"https://openalex.org/A5000155243","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I926574661","ror":"https://ror.org/03s7gtk40","display_name":"Leipzig University","country_code":"DE","type":"education","lineage":["https://openalex.org/I926574661"]},"years":[1931]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","count":8,"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/T11460","display_name":"Analytical Methods in Pharmaceuticals","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/T11434","display_name":"Electrochemical Analysis and Applications","count":3,"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/T13414","display_name":"Radioactive Decay and Measurement Techniques","count":3,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13793","display_name":"Environmental and Analytical Chemistry Studies","count":3,"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/T13414","display_name":"Radioactive Decay and Measurement Techniques","value":1.8e-05,"subfield":{"id":"https://openalex.org/subfields/3108","display_name":"Radiation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13458","display_name":"Astronomical and nuclear sciences","value":1.29e-05,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","value":1.22e-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/T13297","display_name":"History and advancements in chemistry","value":1.18e-05,"subfield":{"id":"https://openalex.org/subfields/1207","display_name":"History and Philosophy of Science"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11434","display_name":"Electrochemical Analysis and Applications","value":9.3e-06,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.8464947938919067},{"id":"164304813","wikidata":"https://www.wikidata.org/wiki/Q25276","display_name":"Isotope","score":0.5273640751838684},{"id":"177322064","wikidata":"https://www.wikidata.org/wiki/Q750955","display_name":"Radiochemistry","score":0.497177392244339},{"id":"138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","score":0.37645119428634644},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.1878403127193451}],"counts_by_year":[{"year":1928,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1931,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1935,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1937,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1939,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1940,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1941,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1942,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1950,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1953,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Brennecke, E.","E. Brennecke","Erna Brennecke"],"block_key":"e brennecke","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000155243","updated_date":"2026-10-31T12:29:50","created_date":"2016-06-24T00:00:00"}
