{"id":"https://openalex.org/A5110169758","orcid":null,"observed_orcids":[],"display_name":"Leon Visser","raw_author_names":["L Visser","L. VISSER","L. Visser","LEON VISSER","Leon VISSER","Leon Visser"],"full_name":"Leon VISSER","works_count":37,"cited_by_count":1023,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":18,"i10_index":23},"ids":{"openalex":"https://openalex.org/A5110169758","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I136199984","ror":"https://ror.org/03vek6s52","display_name":"Harvard University","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]},"years":[1972]},{"institution":{"id":"https://openalex.org/I16391192","ror":"https://ror.org/04mhzgx49","display_name":"Tel Aviv University","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]},"years":[1982]},{"institution":{"id":"https://openalex.org/I21360634","ror":"https://ror.org/05j00sr48","display_name":"Council for Scientific and Industrial Research","country_code":"ZA","type":"government","lineage":["https://openalex.org/I21360634"]},"years":[1983,1982,1981,1978,1977,1976,1975]},{"institution":{"id":"https://openalex.org/I69552723","ror":"https://ror.org/00g0p6g84","display_name":"University of Pretoria","country_code":"ZA","type":"education","lineage":["https://openalex.org/I69552723"]},"years":[1990,1988,1987,1975]},{"institution":{"id":"https://openalex.org/I95023434","ror":"https://ror.org/04qzfn040","display_name":"University of KwaZulu-Natal","country_code":"ZA","type":"education","lineage":["https://openalex.org/I95023434"]},"years":[1975,1974,1973]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T11353","display_name":"Venomous Animal Envenomation and Studies","count":13,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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/T10044","display_name":"Protein Structure and Dynamics","count":10,"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/T11016","display_name":"Monoclonal and Polyclonal Antibodies Research","count":8,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T11162","display_name":"Enzyme Structure and Function","count":7,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"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/T10031","display_name":"T-cell and B-cell Immunology","count":6,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T11353","display_name":"Venomous Animal Envenomation and Studies","value":0.0001184,"subfield":{"id":"https://openalex.org/subfields/1311","display_name":"Genetics"},"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/T14028","display_name":"Healthcare and Venom Research","value":4.16e-05,"subfield":{"id":"https://openalex.org/subfields/2736","display_name":"Pharmacology"},"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/T12683","display_name":"Studies on Chitinases and Chitosanases","value":3.94e-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"}},{"id":"https://openalex.org/T11124","display_name":"Protein purification and stability","value":2.96e-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"}},{"id":"https://openalex.org/T12833","display_name":"Bartonella species infections research","value":2.32e-05,"subfield":{"id":"https://openalex.org/subfields/2405","display_name":"Parasitology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9152400493621826},{"id":"43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","score":0.8063646554946899},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.8013021945953369},{"id":"181199279","wikidata":"https://www.wikidata.org/wiki/Q8047","display_name":"Enzyme","score":0.75732421875},{"id":"55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","score":0.6798794269561768}],"counts_by_year":[{"year":1971,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1972,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":4,"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":2,"oa_works_count":0,"cited_by_count":0},{"year":1976,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1986,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"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":12},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":10},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":7},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":9},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":18},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":6},{"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":14},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":8},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["L Visser","L. VISSER","L. Visser","LEON VISSER","Leon VISSER","Leon Visser"],"block_key":"l visser","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110169758","updated_date":"2026-10-28T12:34:19","created_date":"2016-06-24T00:00:00"}