{"id":"https://openalex.org/A5019374236","orcid":"https://orcid.org/0000-0002-0225-4851","observed_orcids":["https://orcid.org/0000-0002-0225-4851"],"display_name":"Takashi Ohtsuki","raw_author_names":["Takashi OHTSUKI","Takashi Ohtsuki"],"full_name":"Takashi Ohtsuki","works_count":28,"cited_by_count":447,"summary_stats":{"2yr_mean_citedness":0.7142857142857143,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5019374236","orcid":"https://orcid.org/0000-0002-0225-4851","observed_orcids":["https://orcid.org/0000-0002-0225-4851"]},"affiliations":[{"institution":{"id":"https://openalex.org/I104946051","ror":"https://ror.org/05jk51a88","display_name":"Nihon University","country_code":"JP","type":"education","lineage":["https://openalex.org/I104946051"]},"years":[2026,2025,2024,2023,2022,2021,2020,2018]},{"institution":{"id":"https://openalex.org/I39422238","ror":"https://ror.org/02mpq6x41","display_name":"University of Illinois Chicago","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]},"years":[2022]},{"institution":{"id":"https://openalex.org/I4210151964","ror":"https://ror.org/04s629c33","display_name":"National Institute of Health Sciences","country_code":"JP","type":"facility","lineage":["https://openalex.org/I1333985979","https://openalex.org/I4210151964"]},"years":[2017,2016,2015,2014,2013,2012]}],"last_known_institutions":[{"id":"https://openalex.org/I104946051","ror":"https://ror.org/05jk51a88","display_name":"Nihon University","country_code":"JP","type":"education","lineage":["https://openalex.org/I104946051"]}],"topics":[{"id":"https://openalex.org/T11460","display_name":"Analytical Methods in Pharmaceuticals","count":18,"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/T10908","display_name":"Analytical Chemistry and Chromatography","count":10,"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"}},{"id":"https://openalex.org/T10180","display_name":"Analytical chemistry methods development","count":5,"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/T10800","display_name":"Forensic Toxicology and Drug Analysis","count":4,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","count":4,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13218","display_name":"Sesame and Sesamin Research","value":0.0001315,"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/T13325","display_name":"Dye analysis and toxicity","value":7.08e-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/T12330","display_name":"Botanical Research and Applications","value":6.14e-05,"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/T11584","display_name":"Biochemical Analysis and Sensing Techniques","value":4.42e-05,"subfield":{"id":"https://openalex.org/subfields/2916","display_name":"Nutrition and Dietetics"},"field":{"id":"https://openalex.org/fields/29","display_name":"Nursing"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11460","display_name":"Analytical Methods in Pharmaceuticals","value":3.57e-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"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.954917311668396},{"id":"10390740","wikidata":"https://www.wikidata.org/wiki/Q2282401","display_name":"Analyte","score":0.8777630925178528},{"id":"43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","score":0.7910659313201904},{"id":"119128265","wikidata":"https://www.wikidata.org/wiki/Q900165","display_name":"Detection limit","score":0.7222384214401245},{"id":"113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","score":0.46982431411743164}],"counts_by_year":[{"year":2012,"works_count":4,"oa_works_count":2,"cited_by_count":97},{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":26},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":149},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2018,"works_count":3,"oa_works_count":2,"cited_by_count":75},{"year":2020,"works_count":2,"oa_works_count":2,"cited_by_count":30},{"year":2021,"works_count":3,"oa_works_count":3,"cited_by_count":26},{"year":2022,"works_count":1,"oa_works_count":1,"cited_by_count":21},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":16},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":4},{"year":2025,"works_count":2,"oa_works_count":1,"cited_by_count":1},{"year":2026,"works_count":4,"oa_works_count":4,"cited_by_count":0}],"display_name_alternatives":["Takashi OHTSUKI","Takashi Ohtsuki"],"block_key":"t ohtsuki","works_api_url":"https://api.openalex.org/works?filter=author.id:A5019374236","updated_date":"2026-10-16T12:29:29","created_date":"2018-12-22T00:00:00"}
