{"id":"https://openalex.org/A5039320548","orcid":null,"observed_orcids":[],"display_name":"L. M. Hajjar","raw_author_names":["L. M. Hajjar","Lisa M. Hajjar"],"full_name":"L. M. Hajjar","works_count":2,"cited_by_count":90,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":2,"i10_index":2},"ids":{"openalex":"https://openalex.org/A5039320548","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1340254884","ror":"https://ror.org/01cn04b23","display_name":"Minnesota Pollution Control Agency","country_code":"US","type":"government","lineage":["https://openalex.org/I1340254884"]},"years":[1990,1988]},{"institution":{"id":"https://openalex.org/I137902535","ror":"https://ror.org/04tj63d06","display_name":"North Carolina State University","country_code":"US","type":"education","lineage":["https://openalex.org/I137902535"]},"years":[1988]}],"last_known_institutions":[{"id":"https://openalex.org/I1340254884","ror":"https://ror.org/01cn04b23","display_name":"Minnesota Pollution Control Agency","country_code":"US","type":"government","lineage":["https://openalex.org/I1340254884"]}],"topics":[{"id":"https://openalex.org/T11781","display_name":"Wastewater Treatment and Reuse","count":2,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"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"}},{"id":"https://openalex.org/T10419","display_name":"Pharmaceutical and Antibiotic Environmental Impacts","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"}},{"id":"https://openalex.org/T11331","display_name":"Fecal contamination and water quality","count":1,"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"}},{"id":"https://openalex.org/T11624","display_name":"Constructed Wetlands for Wastewater Treatment","count":1,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"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/T11624","display_name":"Constructed Wetlands for Wastewater Treatment","value":1.37e-05,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11331","display_name":"Fecal contamination and water quality","value":9e-06,"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"}},{"id":"https://openalex.org/T11781","display_name":"Wastewater Treatment and Reuse","value":5.6e-06,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10419","display_name":"Pharmaceutical and Antibiotic Environmental Impacts","value":5.2e-06,"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"}},{"id":"https://openalex.org/T10139","display_name":"Heavy metals in environment","value":2.1e-06,"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"}}],"x_concepts":[{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.49921417236328125},{"id":"87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","score":0.2479357123374939},{"id":"18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","score":0.2354893684387207},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.18201550841331482},{"id":"104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","score":0.0}],"counts_by_year":[{"year":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["L. M. Hajjar","Lisa M. Hajjar"],"block_key":"l hajjar","works_api_url":"https://api.openalex.org/works?filter=author.id:A5039320548","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
