Koji Tohda

2.9k total citations · 1 hit paper
63 papers, 2.6k citations indexed

About

Koji Tohda is a scholar working on Bioengineering, Electrochemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Koji Tohda has authored 63 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 47 papers in Bioengineering, 31 papers in Electrochemistry and 25 papers in Electrical and Electronic Engineering. Recurrent topics in Koji Tohda's work include Analytical Chemistry and Sensors (47 papers), Electrochemical Analysis and Applications (31 papers) and Electrochemical sensors and biosensors (25 papers). Koji Tohda is often cited by papers focused on Analytical Chemistry and Sensors (47 papers), Electrochemical Analysis and Applications (31 papers) and Electrochemical sensors and biosensors (25 papers). Koji Tohda collaborates with scholars based in Japan, United States and Poland. Koji Tohda's co-authors include Yoshio Umezawa, Philippe Bühlmann, Shigeru Amemiya, Kayoko Umezawa, Kazunori Odashima, Koji Suzuki, Shigehiro Kagaya, Miklós Gratzl, Setsuko Yajima and Tsuneo SHIRAI and has published in prestigious journals such as Journal of the American Chemical Society, Analytical Chemistry and Journal of Hazardous Materials.

In The Last Decade

Koji Tohda

63 papers receiving 2.5k 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.

Potentiometric Selectivity Coefficients of Ion-Selective Electrodes. Part I. Inorganic Cations (Technical Report)

2000 966 citations Yoshio Umezawa, Koji Tohda et al. profile →

Peers

Koji Tohda

BIOEN

EEE

ELECT

SPECT

Neeta Bachheti India

Hassan Ali Zamani Iran

Mohammad Ali Taher Iran

Bankim J. Sanghavi India

Milivoj Lovrić Croatia

Hosein Khoshsafar Iran

Esma Kιlιç Türkiye

M.H. Pournaghi-Azar Iran

Jacobus Frederick van Staden Romania

Joseph. Wang United States

Neeta Bachheti India

Koji Tohda

905 ×0.4

BIOEN

1.4k ×0.9

EEE

1.1k ×1.0

ELECT

198 ×0.5

SPECT

257 ×0.6

Citations per year, relative to Koji Tohda Koji Tohda (= 1×) peers Neeta Bachheti

Countries citing papers authored by Koji Tohda

Since Specialization

Citations

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

Fields of papers citing papers by Koji Tohda

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Koji Tohda

This figure shows the co-authorship network connecting the top 25 collaborators of Koji Tohda. A scholar is included among the top collaborators of Koji Tohda 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 Koji Tohda. Koji Tohda 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

Kagaya, Shigehiro, et al.. (2011). Chelating fibers prepared with a wet spinning technique using a mixture of a viscose solution and a polymer ligand for the separation of metal ions in an aqueous solution. Journal of Hazardous Materials. 203-204. 370–373. 18 indexed citations

Kagaya, Shigehiro, Yoshinori Inoue, Mitsuru Saito, et al.. (2010). Determination of Cadmium in Water Samples by Liquid Electrode Plasma Atomic Emission Spectrometry after Solid Phase Extraction Using a Mini Cartridge Packed with Chelate Resin Immobilizing Carboxymethylated Pentaethylenehexamine. Analytical Sciences. 26(4). 515–518. 31 indexed citations

Tohda, Koji, Tatsuya Yamamoto, & Miklós Gratzl. (2010). Modelling the response function of enzyme-based optical glucose-sensing capsules. Supramolecular chemistry. 22(7-8). 425–433. 3 indexed citations

Kagaya, Shigehiro, Hiroyuki Miyazaki, Masahiro Ito, Koji Tohda, & Takaki Kanbara. (2009). Selective removal of mercury(II) from wastewater using polythioamides. Journal of Hazardous Materials. 175(1-3). 1113–1115. 59 indexed citations

Kagaya, Shigehiro, et al.. (2009). Inductively coupled plasma atomic emission spectrometric determination of 27 trace elements in table salts after coprecipitation with indium phosphate. Talanta. 79(2). 512–516. 23 indexed citations

Kagaya, Shigehiro, et al.. (2009). A solid phase extraction using a chelate resin immobilizing carboxymethylated pentaethylenehexamine for separation and preconcentration of trace elements in water samples. Talanta. 79(2). 146–152. 79 indexed citations

Kagaya, Shigehiro, et al.. (2009). A sensitive and selective method for determination of gold(III) based on electrothermal atomic absorption spectrometry in combination with dispersive liquid–liquid microextraction using dicyclohexylamine. Talanta. 80(3). 1364–1370. 54 indexed citations

Kagaya, Shigehiro, et al.. (2008). Use of Yttrium Phosphate as a Coprecipitant for Separation/Concentration of Lanthanoids. Analytical Sciences. 24(12). 1643–1646. 4 indexed citations

Kagaya, Shigehiro, et al.. (2007). Rapid Coprecipitation Technique Using Yttrium Hydroxide for the Preconcentration and Separation of Trace Elements in Saline Water Prior to Their ICP-AES Determination. Analytical Sciences. 23(8). 1021–1024. 16 indexed citations

10.

Tohda, Koji & Miklós Gratzl. (2006). Micro-miniature Autonomous Optical Sensor Array for Monitoring Ions and Metabolites 1: Design, Fabrication, and Data Analysis. Analytical Sciences. 22(3). 383–388. 32 indexed citations

11.

Tohda, Koji & Miklós Gratzl. (2006). Micro-miniature Autonomous Optical Sensor Array for Monitoring Ions and Metabolites 2: Color Responses to pH, K+ and Glucose. Analytical Sciences. 22(7). 937–941. 20 indexed citations

12.

Tohda, Koji, et al.. (2005). Hydrodynamic Electrochemistry in 20 μL Drops in the Rotating Sample System. Analytical Sciences. 21(10). 1155–1160. 5 indexed citations

13.

Tohda, Koji & Miklós Gratzl. (2003). A Microscopic, Continous, Optical Monitor for Interstitial Electrolytes and Glucose. ChemPhysChem. 4(2). 155–161. 18 indexed citations

14.

Yoshida, Makoto, Koji Tohda, & Miklós Gratzl. (2003). Optical Detection in Microscopic Domains. 3. Confocal Analysis of Fluorescent Amphiphilic Molecules. Analytical Chemistry. 75(22). 6133–6140. 2 indexed citations

15.

Aoki, Hiroshi, et al.. (2002). Voltammetric detection of inorganic phosphate using ion-channel sensing with self-assembled monolayers of a hydrogen bond-forming receptor. Biosensors and Bioelectronics. 18(2-3). 261–267. 48 indexed citations

16.

Radecka, Hanna, Koji Tohda, & Yoshio Umezawa. (2001). Optimum Concentration of Anionic Sites in Lipophilic Macrocyclic Pentaamine-Based Liquid Membranes for Potentiometric Responses to Anionic Analytes. Analytical Sciences. 17(10). 1221–1224. 3 indexed citations

17.

Tohda, Koji, Takashi Higuchi, Diana Dragoé, & Yoshio Umezawa. (2001). Threshold Ionic Site Concentrations Required for Nernstian Potentiometric Responses of Neutral Ionophore-Incorporated Ion-Selective Liquid Membranes. Analytical Sciences. 17(7). 833–839. 14 indexed citations

18.

Ueda, Yoshihisa, Ayumi Hirano, Masao Sugawara, et al.. (2001). Potentiometric Responses of Polymeric Liquid Membranes Based on Hydrophobic Chelating Agents to Metal Ions. Analytical Sciences. 17(5). 621–627. 5 indexed citations

19.

Odashima, Kazunori, et al.. (1999). Dopamine-selective response in membrane potential by homooxacalix[3]arene triether host incorporated in PVC liquid membrane. Bioorganic & Medicinal Chemistry Letters. 9(16). 2375–2378. 45 indexed citations

20.

Suzuki, Koji & Koji Tohda. (1993). Potentiometric ion sensors based on natural carboxylic polyether ionophores and their derivatives. TrAC Trends in Analytical Chemistry. 12(7). 287–296. 14 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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