Takamitsu Otake

1.0k total citations · 1 hit paper
42 papers, 790 citations indexed

About

Takamitsu Otake is a scholar working on Food Science, Health, Toxicology and Mutagenesis and Plant Science. According to data from OpenAlex, Takamitsu Otake has authored 42 papers receiving a total of 790 indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Food Science, 15 papers in Health, Toxicology and Mutagenesis and 11 papers in Plant Science. Recurrent topics in Takamitsu Otake's work include Pesticide Residue Analysis and Safety (27 papers), Toxic Organic Pollutants Impact (11 papers) and Insect and Pesticide Research (9 papers). Takamitsu Otake is often cited by papers focused on Pesticide Residue Analysis and Safety (27 papers), Toxic Organic Pollutants Impact (11 papers) and Insect and Pesticide Research (9 papers). Takamitsu Otake collaborates with scholars based in Japan, Poland and United States. Takamitsu Otake's co-authors include Yukio Yanagisawa, Jun Yoshinaga, Takashi Yarita, Yoshie Aoyagi, Minoru Fujii, Apiradee Lim, Kazukiyo Kumagai, Naohide Shinohara, Masahiko Numata and Nobuyasu Hanari and has published in prestigious journals such as Environmental Science & Technology, Journal of Agricultural and Food Chemistry and Food Chemistry.

In The Last Decade

Takamitsu Otake

39 papers receiving 761 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A study on emission of phthalate esters from plastic materials using a passive flux sampler

2003 153 citations Minoru Fujii, Naohide Shinohara et al. Atmospheric Environment profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Takamitsu Otake Japan	13	421	259	175	141	90	42	790
Juan José Ramos Spain	18	462 1.1×	161 0.6×	211 1.2×	78 0.6×	148 1.6×	25	837
Olivier Briand France	16	370 0.9×	175 0.7×	95 0.5×	226 1.6×	47 0.5×	25	839
Ali Kadar France	11	257 0.6×	165 0.6×	198 1.1×	257 1.8×	23 0.3×	13	679
Pinggu Wu China	18	472 1.1×	272 1.1×	343 2.0×	381 2.7×	92 1.0×	39	1.0k
Andreia Alves Belgium	16	479 1.1×	102 0.4×	115 0.7×	110 0.8×	41 0.5×	17	777
Ana I. García‐Valcárcel Spain	19	332 0.8×	258 1.0×	347 2.0×	400 2.8×	142 1.6×	37	1.1k
Georges Scholl Belgium	13	224 0.5×	237 0.9×	77 0.4×	61 0.4×	35 0.4×	37	611
J. Simal Lozano Spain	15	360 0.9×	97 0.4×	85 0.5×	157 1.1×	98 1.1×	46	725
U. Banasiak Germany	7	208 0.5×	213 0.8×	79 0.5×	235 1.7×	29 0.3×	19	622
José Robles‐Molina Spain	19	238 0.6×	205 0.8×	343 2.0×	389 2.8×	181 2.0×	22	925

Countries citing papers authored by Takamitsu Otake

Since Specialization

Citations

This map shows the geographic impact of Takamitsu Otake's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Takamitsu Otake with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Takamitsu Otake more than expected).

Fields of papers citing papers by Takamitsu Otake

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Takamitsu Otake. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Takamitsu Otake. The network helps show where Takamitsu Otake may publish in the future.

Co-authorship network of co-authors of Takamitsu Otake

This figure shows the co-authorship network connecting the top 25 collaborators of Takamitsu Otake. A scholar is included among the top collaborators of Takamitsu Otake based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Takamitsu Otake. Takamitsu Otake is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ikeda, Kohei, Aya Hisada, Takamitsu Otake, et al.. (2025). Serum Concentrations of Fipronil and Metabolites in Japanese Pregnant Women: Relationship with Thyroid Hormone Levels. Toxics. 13(3). 213–213.

Nakamura, Keisuke, Takamitsu Otake, & Nobuyasu Hanari. (2023). Quantitative Determination of Organophosphorus, Pyrethroid, and Dithiolane Pesticide Residues in Brown Rice Using Supercritical Fluid Extraction and Liquid Chromatography–Tandem Mass Spectrometry. Journal of AOAC International. 106(6). 1532–1541. 4 indexed citations

Otake, Takamitsu, Keisuke Nakamura, & Nobuyasu Hanari. (2023). A simple reliable quantification of glyphosate in human urine using MonoSpin TiO extraction and isotope dilution mass spectrometry. Journal of Pesticide Science. 48(4). 137–148.

Nakamura, Keisuke, Takamitsu Otake, & Nobuyasu Hanari. (2020). Evaluation of supercritical fluid extraction for the determination of neonicotinoid pesticides in green onion. Journal of Environmental Science and Health Part B. 55(7). 604–612. 11 indexed citations

Ohata, Masaki, et al.. (2018). Effect of Long-time Heating for Elements from Flame Retardants in Acrylonitrile Butadiene Styrene and Polycarbonate Resin Disks. Analytical Sciences. 34(12). 1365–1371. 1 indexed citations

Otake, Takamitsu & Nobuyasu Hanari. (2018). Quantification of five neonicotinoids in human urine by modified QuEChERS with isotope dilution mass spectrometry: a preliminary study for the development of certified reference material. International Journal of Environmental & Analytical Chemistry. 98(12). 1106–1117. 7 indexed citations

Hanari, Nobuyasu, et al.. (2017). Development of plastic disks containing flame retardants for elucidating changes in their concentrations due to simulated weathering and the application of these disks to weathering tests. Environmental Monitoring and Assessment. 189(2). 92–92. 5 indexed citations

Yarita, Takashi, Takamitsu Otake, Yoshie Aoyagi, Masahiko Numata, & Akiko Takatsu. (2016). Difference between Consensus Value of Participants' Results and Isotope-Dilution Mass Spectrometric Results in Proficiency Testing for Pesticide Residues in Husked Wheat. Analytical Sciences. 32(5). 557–563. 8 indexed citations

Otake, Takamitsu, Takashi Yarita, Yoshie Aoyagi, Masahiko Numata, & Akiko Takatsu. (2014). Evaluation of the performance of 57 Japanese participating laboratories by two types of z-scores in proficiency test for the quantification of pesticide residues in brown rice. Analytical and Bioanalytical Chemistry. 406(28). 7337–7344. 14 indexed citations

10.

Yarita, Takashi, Takamitsu Otake, Yoshie Aoyagi, et al.. (2014). Proficiency testing for determination of pesticide residues in soybean: Comparison of assigned values from participants׳ results and isotope-dilution mass spectrometric determination. Talanta. 132. 269–277. 18 indexed citations

11.

Yarita, Takashi, Yoshie Aoyagi, & Takamitsu Otake. (2012). Evaluation of pressurized liquid extraction for determination of organophosphorus and pyrethroid pesticides in soybean. Journal of Environmental Science and Health Part B. 47(10). 942–948. 3 indexed citations

12.

Otake, Takamitsu, Takashi Yarita, Yoshie Aoyagi, et al.. (2012). Development of apple certified reference material for quantification of organophosphorus and pyrethroid pesticides. Food Chemistry. 138(2-3). 1243–1249. 28 indexed citations

13.

Otake, Takamitsu, Yoshie Aoyagi, Takashi Yarita, & Masahiko Numata. (2010). Characterization of certified reference material for quantification of polychlorinated biphenyls and organochlorine pesticides in fish. Analytical and Bioanalytical Chemistry. 397(6). 2569–2577. 10 indexed citations

14.

Otake, Takamitsu, et al.. (2009). Development of Certified Reference Material for Quantification of Two Pesticides in Brown Rice. Journal of Agricultural and Food Chemistry. 57(18). 8208–8212. 24 indexed citations

15.

Itoh, Nobuyasu, et al.. (2008). Differences in the Yields of Polycyclic Aromatic Hydrocarbons by Pressurized Liquid Extraction and the Japanese Official Method. Analytical Sciences. 24(9). 1129–1133. 4 indexed citations

16.

Otake, Takamitsu, Jun Yoshinaga, Emiko Suzuki, et al.. (2007). Cadmium, Lead, and Selenium in Cord Blood and Thyroid Hormone Status of Newborns. Biological Trace Element Research. 119(1). 10–18. 59 indexed citations

17.

Otake, Takamitsu, et al.. (2006). Retrospectivein utero exposure assessment of PCBs using preserved umbilical cords and its application to case-control comparison. Environmental Health and Preventive Medicine. 11(2). 65–68. 6 indexed citations

18.

Otake, Takamitsu, et al.. (2004). Polychlorinated biphenyls in preserved human umbilical cords. Journal of Environmental Monitoring. 6(10). 128N–128N. 4 indexed citations

19.

Otake, Takamitsu, Jun Yoshinaga, & Yukio Yanagisawa. (2004). Exposure to phthalate esters from indoor environment. Journal of Exposure Science & Environmental Epidemiology. 14(7). 524–528. 74 indexed citations

20.

Fujii, Minoru, Naohide Shinohara, Apiradee Lim, et al.. (2003). A study on emission of phthalate esters from plastic materials using a passive flux sampler. Atmospheric Environment. 37(39-40). 5495–5504. 153 indexed citations breakdown →

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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