Kunio Arai

15.3k total citations · 2 hit papers
246 papers, 12.7k citations indexed

About

Kunio Arai is a scholar working on Biomedical Engineering, Organic Chemistry and Materials Chemistry. According to data from OpenAlex, Kunio Arai has authored 246 papers receiving a total of 12.7k indexed citations (citations by other indexed papers that have themselves been cited), including 191 papers in Biomedical Engineering, 47 papers in Organic Chemistry and 41 papers in Materials Chemistry. Recurrent topics in Kunio Arai's work include Subcritical and Supercritical Water Processes (114 papers), Phase Equilibria and Thermodynamics (66 papers) and Environmental remediation with nanomaterials (30 papers). Kunio Arai is often cited by papers focused on Subcritical and Supercritical Water Processes (114 papers), Phase Equilibria and Thermodynamics (66 papers) and Environmental remediation with nanomaterials (30 papers). Kunio Arai collaborates with scholars based in Japan, United States and Switzerland. Kunio Arai's co-authors include Tadafumi Adschiri, Masaru Watanabe, Hiroshi Inomata, Yukiya Hakuta, Shozaburo Saito, Mitsuru Sasaki, Takafumi Sato, Roberto M. Malaluan, Bernard M. Kabyemela and Richard L. Smith and has published in prestigious journals such as Chemical Reviews, The Journal of Chemical Physics and Environmental Science & Technology.

In The Last Decade

Kunio Arai

243 papers receiving 12.2k citations

Hit Papers

Dissolution and Hydrolysis of Cellulose in Subcritical an... 1998 2026 2007 2016 2000 1998 100 200 300 400 500
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. Dissolution and Hydrolysis of Cellulose in Subcritical and Supercritical Water
    2000 568 citations Mitsuru Sasaki, Zhen Fang et al. profile →
  2. Cellulose hydrolysis in subcritical and supercritical water
    1998 522 citations Mitsuru Sasaki, Tadafumi Adschiri et al. profile →

Peers

Kunio Arai
Hiroshi Inomata Japan
Charles L. Liotta United States
Mark R. Nimlos United States
Linda J. Broadbelt United States
Phillip E. Savage United States
Ram B. Gupta United States
Tadafumi Adschiri Japan
Margarida Costa Gomes France
Amyn S. Teja United States
Lourdes F. Vega Spain
Hiroshi Inomata Japan
Kunio Arai
Citations per year, relative to Kunio Arai Kunio Arai (= 1×) peers Hiroshi Inomata

Countries citing papers authored by Kunio Arai

Since Specialization
Citations

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

Fields of papers citing papers by Kunio Arai

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kunio Arai

This figure shows the co-authorship network connecting the top 25 collaborators of Kunio Arai. A scholar is included among the top collaborators of Kunio Arai 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 Kunio Arai. Kunio Arai 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.
Asaoka, Daisuke, Tomomi Ishihara, Sachiko Ezoe, et al.. (2024). Randomized, multicenter, active-controlled open-label study of NPC-25, zinc histidine hydrate, (non-inferiority to NOBELZIN™, zinc acetate dihydrate) for patients with hypozincemia. Journal of Trace Elements in Medicine and Biology. 87. 127558–127558.
2.
Hatakeda, Kiyotaka, Susumu Maruyama, Akira Suzuki, & Kunio Arai. (2008). Conversion of ?-Zein to an Angiotensin I-Converting Enzyme Inhibitor under the Supercritical Water Condition. International Journal of Chemical Reactor Engineering. 6(1). 2 indexed citations
3.
Smith, Richard L., et al.. (2007). Reaction of cellulose–starch gel mixtures in water at high-temperatures and pressures for developing continuous batch microreactor systems. Bioresource Technology. 99(10). 4338–4345. 4 indexed citations
4.
Fang, Zhen, Takafumi Sato, Richard L. Smith, et al.. (2007). Reaction chemistry and phase behavior of lignin in high-temperature and supercritical water. Bioresource Technology. 99(9). 3424–3430. 318 indexed citations
5.
Sue, Kiwamu, Kunio Arai, Haruo Ura, et al.. (2006). Size-controlled synthesis of metal oxide nanoparticles with a flow-through supercritical water method. Green Chemistry. 8(7). 634–634. 98 indexed citations
6.
7.
Hakuta, Yukiya, Haruo Ura, Hiromichi Hayashi, & Kunio Arai. (2005). Effects of hydrothermal synthetic conditions on the particle size of γ-AlO(OH) in sub and supercritical water using a flow reaction system. Materials Chemistry and Physics. 93(2-3). 466–472. 56 indexed citations
8.
Takahashi, R., Kiso Akahane, & Kunio Arai. (2003). Nucleotide Sequences of Pigeon Feather Keratin Genes. DNA sequence. 14(3). 205–210. 2 indexed citations
9.
Li, Bo, Hitoshi Kasai, Hidetoshi Oikawa, et al.. (2003). Monodispersed Quinacridone Nanocrystals Prepared by a High-Temperature and High-Pressure Liquid Crystallization Method. Journal of Nanoscience and Nanotechnology. 3(5). 365–367. 6 indexed citations
10.
Watanabe, Masaru, et al.. (2001). Polyethylene conversion by partial oxidation in supercritical water. Journal of Material Cycles and Waste Management. 3(2). 99–102. 3 indexed citations
11.
Watanabe, Masaru, Tadafumi Adschiri, & Kunio Arai. (2001). Supercritical Fluid in Polymer Science and Technology. II. Polyethylene Decomposition via Pyrolysis and Partial Oxidation in Supercritical Water.. KOBUNSHI RONBUNSHU. 58(12). 631–641. 9 indexed citations
12.
Goto, Kohtaro, Kiyohiko Tajima, Mitsuru Sasaki, Tadafumi Adschiri, & Kunio Arai. (2001). Supercritical Fluid in Polymer Science and Technology. II. Reaction Mechanism of Sugar Derivatives in Subcritical and Supercritical Water.. KOBUNSHI RONBUNSHU. 58(12). 685–691. 18 indexed citations
13.
Watanabe, Masaru, Kiwamu Sue, Tadafumi Adschiri, et al.. (2001). Control of methanol oxidation by ionic behavior in supercritical water.. Chemical Communications. 2270–2271. 24 indexed citations
14.
Hakuta, Yukiya, et al.. (1999). Chemical equilibria and particle morphology of boehmite (AlOOH) in sub and supercritical water. Fluid Phase Equilibria. 158-160. 733–742. 47 indexed citations
15.
Kasai, Hitoshi, Yukiya Hakuta, Shuji Okada, et al.. (1998). Size and Form Control of Titanylphthalocyanine Microcrystals by Supercritical Fluid Crystallization Method. Molecular crystals and liquid crystals science technology. Section A, Molecular crystals and liquid crystals. 322(1). 167–172. 35 indexed citations
16.
Arai, Kunio, et al.. (1996). Supercritical Water Extraction of Taiheiyo Coal.. Journal of the Japan Institute of Energy. 75(8). 742–750. 9 indexed citations
17.
Ohta, Nobuo, Kunio Arai, & Jiro Harada. (1995). Usefulness of MRI in the Diagnosis of Bronchial Foreign Body; A Case Report.. Practica Oto-Rhino-Laryngologica. 88(5). 635–637.
18.
Inomata, Hiroshi, et al.. (1987). Supercritical gas extraction of Taiheiyo coal.. Journal of the Fuel Society of Japan. 66(3). 196–203. 4 indexed citations
19.
Itaya, Kingo, et al.. (1983). . KOBUNSHI RONBUNSHU. 40(10). 629–635. 1 indexed citations
20.
Arai, Kunio. (1980). Problems of water in tokyo. 155–162. 1 indexed citations

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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