{"id":"https://openalex.org/A5087092883","orcid":"https://orcid.org/0000-0002-3500-9465","observed_orcids":["https://orcid.org/0000-0002-3500-9465"],"display_name":"Margareta J. Hellmann","raw_author_names":["Hellmann, Margareta","Margareta J. Hellmann"],"full_name":"Margareta J. Hellmann","works_count":21,"cited_by_count":250,"summary_stats":{"2yr_mean_citedness":9.222222222222221,"h_index":8,"i10_index":8},"ids":{"openalex":"https://openalex.org/A5087092883","orcid":"https://orcid.org/0000-0002-3500-9465","observed_orcids":["https://orcid.org/0000-0002-3500-9465"]},"affiliations":[{"institution":{"id":"https://openalex.org/I170897317","ror":"https://ror.org/00py81415","display_name":"Duke University","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I22465464","ror":"https://ror.org/00pd74e08","display_name":"University of M\u00fcnster","country_code":"DE","type":"education","lineage":["https://openalex.org/I22465464"]},"years":[2026,2025,2024,2022,2017]},{"institution":{"id":"https://openalex.org/I4210126298","ror":"https://ror.org/03njmea73","display_name":"Duke Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I170897317","ror":"https://ror.org/00py81415","display_name":"Duke University","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},{"id":"https://openalex.org/I22465464","ror":"https://ror.org/00pd74e08","display_name":"University of M\u00fcnster","country_code":"DE","type":"education","lineage":["https://openalex.org/I22465464"]},{"id":"https://openalex.org/I4210126298","ror":"https://ror.org/03njmea73","display_name":"Duke Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]}],"topics":[{"id":"https://openalex.org/T12683","display_name":"Studies on Chitinases and Chitosanases","count":15,"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/T10488","display_name":"Nanocomposite Films for Food Packaging","count":6,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10497","display_name":"Fungal and yeast genetics research","count":5,"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/T12192","display_name":"Polysaccharides Composition and Applications","count":5,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food 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/T10869","display_name":"Polysaccharides and Plant Cell Walls","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T12683","display_name":"Studies on Chitinases and Chitosanases","value":0.0006325,"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/T10488","display_name":"Nanocomposite Films for Food Packaging","value":3.82e-05,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10869","display_name":"Polysaccharides and Plant Cell Walls","value":2.8e-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/T11131","display_name":"Proteoglycans and glycosaminoglycans research","value":2.34e-05,"subfield":{"id":"https://openalex.org/subfields/1307","display_name":"Cell 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/T11078","display_name":"Inflammasome and immune disorders","value":2.21e-05,"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"}}],"x_concepts":[{"id":"119157956","wikidata":"https://www.wikidata.org/wiki/Q796604","display_name":"Acetylation","score":0.9111999869346619},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.8773437738418579},{"id":"2779732960","wikidata":"https://www.wikidata.org/wiki/Q408510","display_name":"Chitosan","score":0.8522999882698059},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.7968999743461609},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.5593302249908447}],"counts_by_year":[{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":1},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":15},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2024,"works_count":8,"oa_works_count":8,"cited_by_count":24},{"year":2025,"works_count":5,"oa_works_count":5,"cited_by_count":56},{"year":2026,"works_count":5,"oa_works_count":5,"cited_by_count":109}],"display_name_alternatives":["Hellmann, Margareta","Margareta J. Hellmann"],"block_key":"m hellmann","works_api_url":"https://api.openalex.org/works?filter=author.id:A5087092883","updated_date":"2026-11-04T11:47:51","created_date":"2017-12-04T00:00:00"}
