Yosuke Ohkura

5.0k total citations · 1 hit paper
259 papers, 4.3k citations indexed

About

Yosuke Ohkura is a scholar working on Molecular Biology, Spectroscopy and Organic Chemistry. According to data from OpenAlex, Yosuke Ohkura has authored 259 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 105 papers in Molecular Biology, 88 papers in Spectroscopy and 54 papers in Organic Chemistry. Recurrent topics in Yosuke Ohkura's work include Analytical Chemistry and Chromatography (76 papers), Analytical Methods in Pharmaceuticals (29 papers) and Electrochemical sensors and biosensors (27 papers). Yosuke Ohkura is often cited by papers focused on Analytical Chemistry and Chromatography (76 papers), Analytical Methods in Pharmaceuticals (29 papers) and Electrochemical sensors and biosensors (27 papers). Yosuke Ohkura collaborates with scholars based in Japan, South Korea and United States. Yosuke Ohkura's co-authors include Hitoshi Nohta, Masatoshi Yamaguchi, Masaaki Kai, Masaru Nakamura, Shuuji Hara, Kazumi Sasamoto, Kiyoshi Zaitsu, Masanobu Shiga, Munetaka Ishiyama and Hideyuki Tominaga and has published in prestigious journals such as Analytical Biochemistry, Journal of Chromatography A and Clinical Chemistry.

In The Last Decade

Yosuke Ohkura

247 papers receiving 4.1k citations

Hit Papers

A Combined Assay of Cell ... 1996 2026 2006 2016 1996 200 400 600
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.

  1. A Combined Assay of Cell Viability and in Vitro Cytotoxicity with a Highly Water-Soluble Tetrazolium Salt, Neutral Red and Crystal Violet.
    1996 645 citations Yosuke Ohkura et al. Biological and Pharmaceutical Bulletin profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Yosuke Ohkura Japan 31 2.1k 1.2k 532 528 510 259 4.3k
Masatoshi Yamaguchi Japan 35 2.0k 0.9× 1.5k 1.3× 583 1.1× 596 1.1× 621 1.2× 243 4.8k
Susumu Honda Japan 35 1.9k 0.9× 1.3k 1.1× 239 0.4× 1.9k 3.6× 627 1.2× 147 4.7k
Tomofumi Santa Japan 37 2.0k 0.9× 1.4k 1.2× 228 0.4× 480 0.9× 472 0.9× 174 5.2k
Naotaka Kuroda Japan 31 985 0.5× 914 0.8× 439 0.8× 743 1.4× 340 0.7× 201 3.7k
Daniel R. Knapp United States 34 1.2k 0.6× 1.2k 1.0× 266 0.5× 696 1.3× 182 0.4× 122 3.5k
Toshimasa Toyo’oka Japan 47 3.0k 1.5× 3.1k 2.6× 391 0.7× 1.7k 3.2× 460 0.9× 255 7.1k
Stephen Naylor United States 46 2.7k 1.3× 2.0k 1.7× 125 0.2× 1.4k 2.6× 244 0.5× 207 6.3k
Makoto Tsunoda Japan 30 1.3k 0.6× 795 0.7× 481 0.9× 728 1.4× 101 0.2× 158 3.5k
Hong Zheng China 37 1.6k 0.8× 1.5k 1.3× 429 0.8× 644 1.2× 526 1.0× 160 4.9k
Masako Maeda Japan 27 1.3k 0.6× 461 0.4× 291 0.5× 625 1.2× 187 0.4× 174 2.7k

Countries citing papers authored by Yosuke Ohkura

Since Specialization
Citations

This map shows the geographic impact of Yosuke Ohkura'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 Yosuke Ohkura with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Yosuke Ohkura more than expected).

Fields of papers citing papers by Yosuke Ohkura

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Yosuke Ohkura. 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 Yosuke Ohkura. The network helps show where Yosuke Ohkura may publish in the future.

Co-authorship network of co-authors of Yosuke Ohkura

This figure shows the co-authorship network connecting the top 25 collaborators of Yosuke Ohkura. A scholar is included among the top collaborators of Yosuke Ohkura 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 Yosuke Ohkura. Yosuke Ohkura is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Nanami, Masahiko, Kiyoshi Zaitsu, & Yosuke Ohkura. (1993). Preparation of Fluorescence Labeled Insulins, Sulfobenzoxadiazolyl-insulins, for Fluorescence Immunoassay.. Biological and Pharmaceutical Bulletin. 16(2). 99–102. 2 indexed citations
2.
3.
Nanami, Masahiko, Kiyoshi Zaitsu, & Yosuke Ohkura. (1992). Preparation of S-acetylthioglycoloyl Insulins Based on Separation by Anion-Exchange High-Performance Liquid Chromatography.. Chemical and Pharmaceutical Bulletin. 40(4). 957–960. 2 indexed citations
4.
Kojima, Eijiro, Masaaki Kai, & Yosuke Ohkura. (1991). Phenylglyoxal as a fluorogenic reagent selective for tryptophan. Analytica Chimica Acta. 248(1). 213–217. 13 indexed citations
5.
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Nohta, Hitoshi, et al.. (1990). Fluorescence reaction ribonucleosides and ribonucleotides with 1,2-bis(4-methoxyphenyl)ethylenediamine.. Chemical and Pharmaceutical Bulletin. 38(2). 452–455. 4 indexed citations
7.
Miyazaki, Takashi, et al.. (1989). Determination of renin activity in human plasma by column-switching high-performance liquid chromatography with fluorescence detection. Journal of Chromatography B Biomedical Sciences and Applications. 490(1). 43–51. 7 indexed citations
8.
Iwata, Tetsuharu, Masatoshi Yamaguchi, Masaru Nakamura, & Yosuke Ohkura. (1989). Determination of Free Cholestanol and Cholesterol in Human Serum by High-Performance Liquid Chromatography with Fluorescence Detection. 18(3). 100–104. 1 indexed citations
9.
Inoue, Yoshimasa, et al.. (1989). Determination of Pranoprofen in Serum by Automated Column-Switching High-Performance Liquid Chromatography. 18(4). 180–183. 4 indexed citations
10.
Yoshitake, Takashi, Shuuji Hara, Masatoshi Yamaguchi, et al.. (1989). Measurement of 21-hydroxycorticosteroids in human and rat sera by high-performance liquid chromatography with fluorimetric detection. Journal of Chromatography B Biomedical Sciences and Applications. 489(2). 364–370. 9 indexed citations
11.
Iwata, Tetsuharu, Masatoshi Yamaguchi, Shuuji Hara, Masaru Nakamura, & Yosuke Ohkura. (1986). 3,4-dihydro-6,7-dimethoxy-4-methyl-3-oxo-quinoxaline-2-carbonyl chloride as a highly sensitive fluorescence derivatization reagent for alcohols in high-performance liquid chromatography. Journal of Chromatography A. 362. 209–216. 34 indexed citations
12.
13.
Nohta, Hitoshi, et al.. (1984). Assay for catechol-o-methyltransferase in erythrocytes using a new fluorogenic substrate, 2-(3,4-dihydroxyphenyl)naphto[1,2-d]thiazole. Journal of Chromatography B Biomedical Sciences and Applications. 308. 93–100. 17 indexed citations
14.
Kuroda, Naotaka, Masatoshi Yamaguchi, Junichi Ishida, & Yosuke Ohkura. (1983). An ultramicro assay for leucine aminopeptidase activity in biological materials by phosphorimetry.. Chemical and Pharmaceutical Bulletin. 31(8). 2913–2916. 1 indexed citations
15.
Zaitsu, Kiyoshi, Kenichiro Nakashima, Shuzo Akiyama, & Yosuke Ohkura. (1982). SENSITIVE FLUOROGENIC SUBSTRATE FOR PEROXIDASE AND ITS APPLICATION TO ENZYME-IMMUNOASSAYS. Journal of Pharmacobio-Dynamics. 5(2). 1 indexed citations
16.
Nohta, Hitoshi, Kenji Ohtsubo, Kiyoshi Zaitsu, & Yosuke Ohkura. (1982). Assay for dopamine β-hydroxylase in rat serum and adrenal medulla by high-performance liquid chromatography with fluorescence detection. Journal of Chromatography B Biomedical Sciences and Applications. 227(2). 415–422. 8 indexed citations
17.
Matsushima, Yoshikazu, et al.. (1981). Determination of sulthiame in plasma by high-performance liquid chromatography.. Chemical and Pharmaceutical Bulletin. 29(3). 872–874. 2 indexed citations
18.
Matsushima, Yoshikazu, et al.. (1980). Determination of Clocapramine in Plasma by High-performance Liquid Chromatography. 9(3). 351–354. 1 indexed citations
19.
Ohkura, Yosuke, et al.. (1974). Reaction Products of 2-Oxoglutaric Acid with Diazotized Sulfanilamide. Chemical and Pharmaceutical Bulletin. 22(6). 1414–1417.
20.

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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