{"id":"https://openalex.org/A5113661236","orcid":null,"observed_orcids":[],"display_name":"Stephen J. Halperin","raw_author_names":["STEPHEN J. HALPERIN","Stephen Halperin","Stephen Halperin*","Stephen J. Halperin"],"full_name":"STEPHEN J. HALPERIN","works_count":8,"cited_by_count":264,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":7,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5113661236","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I130769515","ror":"https://ror.org/04p491231","display_name":"Pennsylvania State University","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]},"years":[2013,2003,1997,1995]},{"institution":{"id":"https://openalex.org/I185261750","ror":"https://ror.org/03dbr7087","display_name":"University of Toronto","country_code":"CA","type":"education","lineage":["https://openalex.org/I185261750"]},"years":[1984]}],"last_known_institutions":[{"id":"https://openalex.org/I130769515","ror":"https://ror.org/04p491231","display_name":"Pennsylvania State University","country_code":"US","type":"education","lineage":["https://openalex.org/I130769515"]}],"topics":[{"id":"https://openalex.org/T10014","display_name":"Plant Stress Responses and Tolerance","count":5,"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/T11247","display_name":"Plant nutrient uptake and metabolism","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"}},{"id":"https://openalex.org/T10724","display_name":"Ion Transport and Channel Regulation","count":2,"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/T10117","display_name":"Advanced Combustion Engine Technologies","count":1,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","count":1,"subfield":{"id":"https://openalex.org/subfields/2310","display_name":"Pollution"},"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/T12344","display_name":"Silicon Effects in Agriculture","value":2.96e-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/T11247","display_name":"Plant nutrient uptake and metabolism","value":2.24e-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/T10014","display_name":"Plant Stress Responses and Tolerance","value":1.15e-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/T13079","display_name":"Heavy Metals in Plants","value":1.13e-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/T11418","display_name":"Plant Micronutrient Interactions and Effects","value":7.3e-06,"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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.6862332820892334},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6561037302017212},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.4159456491470337},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.12787678837776184},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.0}],"counts_by_year":[{"year":1984,"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":1997,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":16},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":14},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":13},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":12},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":11},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":7}],"display_name_alternatives":["STEPHEN J. HALPERIN","Stephen Halperin","Stephen Halperin*","Stephen J. Halperin"],"block_key":"s halperin","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113661236","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113661236","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
