{"id":"https://openalex.org/A5110077903","orcid":null,"observed_orcids":[],"display_name":"Alan M. Nigen","raw_author_names":["A M Nigen","A.M. Nigen","AM Nigen","Alan M. Nigen"],"full_name":"Alan M. Nigen","works_count":16,"cited_by_count":547,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5110077903","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I32971472","ror":"https://ror.org/03v76x132","display_name":"Yale University","country_code":"US","type":"education","lineage":["https://openalex.org/I32971472"]},"years":[1973]},{"institution":{"id":"https://openalex.org/I4210119109","ror":"https://ror.org/02k40bc56","display_name":"Indiana University Bloomington","country_code":"US","type":"education","lineage":["https://openalex.org/I4210119109","https://openalex.org/I592451"]},"years":[1974,1973]},{"institution":{"id":"https://openalex.org/I52357470","ror":"https://ror.org/00rs6vg23","display_name":"The Ohio State University","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]},"years":[1980]},{"institution":{"id":"https://openalex.org/I592451","ror":"https://ror.org/01kg8sb98","display_name":"Indiana University","country_code":"US","type":"education","lineage":["https://openalex.org/I592451"]},"years":[1974,1973]},{"institution":{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]},"years":[1980,1978,1976,1975,1974,1973]}],"last_known_institutions":[{"id":"https://openalex.org/I52357470","ror":"https://ror.org/00rs6vg23","display_name":"The Ohio State University","country_code":"US","type":"education","lineage":["https://openalex.org/I52357470"]},{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]}],"topics":[{"id":"https://openalex.org/T12094","display_name":"Hemoglobin structure and function","count":11,"subfield":{"id":"https://openalex.org/subfields/1303","display_name":"Biochemistry"},"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/T10554","display_name":"Hemoglobinopathies and Related Disorders","count":10,"subfield":{"id":"https://openalex.org/subfields/2716","display_name":"Genetics (clinical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10044","display_name":"Protein Structure and Dynamics","count":6,"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/T11721","display_name":"Blood properties and coagulation","count":5,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11809","display_name":"Advanced NMR Techniques and Applications","count":4,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12094","display_name":"Hemoglobin structure and function","value":0.0001035,"subfield":{"id":"https://openalex.org/subfields/1303","display_name":"Biochemistry"},"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/T10554","display_name":"Hemoglobinopathies and Related Disorders","value":4.49e-05,"subfield":{"id":"https://openalex.org/subfields/2716","display_name":"Genetics (clinical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T12286","display_name":"Erythrocyte Function and Pathophysiology","value":3.58e-05,"subfield":{"id":"https://openalex.org/subfields/2737","display_name":"Physiology (medical)"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11721","display_name":"Blood properties and coagulation","value":2.19e-05,"subfield":{"id":"https://openalex.org/subfields/2720","display_name":"Hematology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11908","display_name":"Protein Interaction Studies and Fluorescence Analysis","value":1.5e-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":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.901160478591919},{"id":"2778917026","wikidata":"https://www.wikidata.org/wiki/Q43041","display_name":"Hemoglobin","score":0.7090011835098267},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.5399338006973267},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.3073005676269531},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.19579041004180908}],"counts_by_year":[{"year":1972,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1973,"works_count":4,"oa_works_count":4,"cited_by_count":0},{"year":1974,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1975,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1978,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["A M Nigen","A.M. Nigen","AM Nigen","Alan M. Nigen"],"block_key":"a nigen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110077903","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
