{"id":"https://openalex.org/A5111604850","orcid":null,"observed_orcids":[],"display_name":"Karlheinz Seifert","raw_author_names":["KARLHEINZ SEIFERT","Karlheinz Seifert","Seifert, Karlheinz"],"full_name":"KARLHEINZ SEIFERT","works_count":99,"cited_by_count":1463,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":23,"i10_index":56},"ids":{"openalex":"https://openalex.org/A5111604850","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I202697423","ror":"https://ror.org/02crff812","display_name":"University of Zurich","country_code":"CH","type":"education","lineage":["https://openalex.org/I202697423"]},"years":[1982]},{"institution":{"id":"https://openalex.org/I4210110463","ror":"https://ror.org/01mzk5576","display_name":"Leibniz Institute of Plant Biochemistry","country_code":"DE","type":"facility","lineage":["https://openalex.org/I315704651","https://openalex.org/I4210110463"]},"years":[1992,1991,1989,1987,1986,1985,1984,1983,1982,1979,1975]},{"institution":{"id":"https://openalex.org/I4405255184","ror":"https://ror.org/02q73ep21","display_name":"Laboratory of Organic Chemistry","country_code":"CH","type":"facility","lineage":["https://openalex.org/I2799323385","https://openalex.org/I35440088","https://openalex.org/I4405255184"]},"years":[1982]},{"institution":{"id":"https://openalex.org/I54009628","ror":"https://ror.org/0234wmv40","display_name":"University of Bayreuth","country_code":"DE","type":"education","lineage":["https://openalex.org/I54009628"]},"years":[2017,2016,2015,2014,2013,2012,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,2000,1999,1998,1997,1995,1994]},{"institution":{"id":"https://openalex.org/I68956291","ror":"https://ror.org/05gqaka33","display_name":"Martin Luther University Halle-Wittenberg","country_code":"DE","type":"education","lineage":["https://openalex.org/I68956291"]},"years":[1974,1971]}],"last_known_institutions":[{"id":"https://openalex.org/I54009628","ror":"https://ror.org/0234wmv40","display_name":"University of Bayreuth","country_code":"DE","type":"education","lineage":["https://openalex.org/I54009628"]}],"topics":[{"id":"https://openalex.org/T11613","display_name":"Phytochemistry and Biological Activities","count":22,"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/T13859","display_name":"Organic Chemistry Synthesis Methods","count":20,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","count":17,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13649","display_name":"Advanced Synthetic Organic Chemistry","count":17,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic 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/T13943","display_name":"Beetle Biology and Toxicology Studies","count":14,"subfield":{"id":"https://openalex.org/subfields/1306","display_name":"Cancer Research"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13943","display_name":"Beetle Biology and Toxicology Studies","value":0.0021472,"subfield":{"id":"https://openalex.org/subfields/1306","display_name":"Cancer Research"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13221","display_name":"Biological Activity of Diterpenoids and Biflavonoids","value":0.0002884,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12530","display_name":"Bioactive Natural Diterpenoids Research","value":0.0001545,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11547","display_name":"Sesquiterpenes and Asteraceae Studies","value":0.0001185,"subfield":{"id":"https://openalex.org/subfields/1306","display_name":"Cancer Research"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12321","display_name":"Insect Pheromone Research and Control","value":0.0001138,"subfield":{"id":"https://openalex.org/subfields/1109","display_name":"Insect 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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9864978790283203},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.801627516746521},{"id":"71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","score":0.6478954553604126},{"id":"59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","score":0.6016749143600464},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.5284695029258728}],"counts_by_year":[{"year":1971,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":9,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":6,"oa_works_count":3,"cited_by_count":0},{"year":2001,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":1,"cited_by_count":92},{"year":2013,"works_count":3,"oa_works_count":0,"cited_by_count":58},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":80},{"year":2015,"works_count":5,"oa_works_count":0,"cited_by_count":72},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":52},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":45},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":52},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":66},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":42},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":32}],"display_name_alternatives":["KARLHEINZ SEIFERT","Karlheinz Seifert","Seifert, Karlheinz"],"block_key":"k seifert","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111604850","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}
