Issei Harada

6.1k total citations · 3 hit papers
97 papers, 5.3k citations indexed

About

Issei Harada is a scholar working on Spectroscopy, Molecular Biology and Atomic and Molecular Physics, and Optics. According to data from OpenAlex, Issei Harada has authored 97 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 41 papers in Spectroscopy, 30 papers in Molecular Biology and 22 papers in Atomic and Molecular Physics, and Optics. Recurrent topics in Issei Harada's work include Molecular Spectroscopy and Structure (21 papers), Conducting polymers and applications (16 papers) and Mass Spectrometry Techniques and Applications (13 papers). Issei Harada is often cited by papers focused on Molecular Spectroscopy and Structure (21 papers), Conducting polymers and applications (16 papers) and Mass Spectrometry Techniques and Applications (13 papers). Issei Harada collaborates with scholars based in Japan, Switzerland and United States. Issei Harada's co-authors include Hideo Takeuchi, Takehiko Shimanouchi, Hiroatsu Matsuura, Yoshiki Ogawa, Takashi Miura, Yukio Furukawa, Mitsuo Tasumi, Hideki Shirakawa, R. C. Lord and Sakuji Ikeda and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Physical review. B, Condensed matter.

In The Last Decade

Issei Harada

96 papers receiving 5.0k 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.

Tables of molecular vibrational frequencies

1978 625 citations Takehiko Shimanouchi, Hiroatsu Matsuura et al. Journal of Physical and Chemical Reference Data profile →
Interpretation of the doublet at 850 and 830 cm^-1 in the Raman spectra of tyrosyl residues in proteins and certain model compounds

1975 521 citations Issei Harada, Hiroatsu Matsuura et al. Biochemistry profile →
Spectroscopic studies on doped polyacetylene and β-carotene

1980 275 citations Issei Harada, Yukio Furukawa et al. The Journal of Chemical Physics profile →

Peers

Issei Harada

SPECT

AMPO

Masamichi Tsuboi Japan

Warner L. Peticolas United States

Tatsuo Miyazawa Japan

James R. Scherer United States

N. Periasamy India

David Phillips United Kingdom

Bruce S. Hudson United States

Koichi Itoh Japan

Hiroatsu Matsuura Japan

Junzo Umemura Japan

Masamichi Tsuboi Japan

Issei Harada

3.2k ×1.8

2.0k ×1.3

SPECT

1.7k ×1.2

AMPO

1.3k ×1.3

758 ×1.0

Citations per year, relative to Issei Harada Issei Harada (= 1×) peers Masamichi Tsuboi

Countries citing papers authored by Issei Harada

Since Specialization

Citations

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

Fields of papers citing papers by Issei Harada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Issei Harada

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

Fukuda, Tsutomu, et al.. (2017). Synthesis of Lamellarins via Regioselective Assembly of 1,2-Diarylated [1]Benzopyrano[3,4-b]pyrrol-4(3H)-one Core. Heterocycles. 95(2). 950–950. 9 indexed citations

Takeuchi, Hideo, et al.. (1994). Structural Specificity of Peptides in Z-DNA Formation and Energetics of the Peptide-induced B—Z Transition of Poly(dG-m5dC). Journal of Molecular Biology. 236(2). 610–617. 17 indexed citations

Miura, Takashi, Hideo Takeuchi, & Issei Harada. (1992). Raman spectroscopic study on the conformation of a peptide fragment representing the DNA‐binding domain of filamentous virus Pf3 coat protein. FEBS Letters. 307(2). 181–184. 2 indexed citations

Uchida, Kiyoshi, M. Usami, Hiroshi Bandow, & Issei Harada. (1992). Characteristics of substrates and inhibitors in binding to rat liver l-tryptophan 2,3-dioxygenase: a Fourier transform infrared and kinetic study. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1121(1-2). 153–159. 10 indexed citations

Takeuchi, Hideo, Issei Harada, & Hiroshi Yoshida. (1991). Raman spectroscopic study on the structure of ribonuclease F1 and the binding mode of inhibitor. Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology. 1078(3). 307–312. 8 indexed citations

Miura, Takashi, Hideo Takeuchi, & Issei Harada. (1991). Raman spectroscopic characterization of tryptophan side chains in lysozyme bound to inhibitors: role of the hydrophobic box in the enzymic function. Biochemistry. 30(24). 6074–6080. 48 indexed citations

Harada, Issei, et al.. (1991). Raman spectroscopic and electrochemical study on polyaniline 2A. Synthetic Metals. 41(1-2). 669–669.

Takeuchi, Hideo, et al.. (1991). B—Z transition of poly(dG‐m⁵dC) induced by binding of Lys‐containing peptides. FEBS Letters. 279(2). 253–255. 17 indexed citations

Takeuchi, Hideo, et al.. (1990). Environments and conformations of tryptophan side chains of gramicidin A in phospholipid bilayers studied by Raman spectroscopy. Biochemistry. 29(6). 1572–1579. 44 indexed citations

10.

Miura, Takashi, Hideo Takeuchi, & Issei Harada. (1988). Characterization of individual tryptophan side chains in proteins using Raman spectroscopy and hydrogen-deuterium exchange kinetics. Biochemistry. 27(1). 88–94. 215 indexed citations

11.

Takeuchi, Hideo & Issei Harada. (1986). Normal coordinate analysis of the indole ring. Spectrochimica Acta Part A Molecular Spectroscopy. 42(9). 1069–1078. 164 indexed citations

12.

Harada, Issei, Takashi Miura, & Hideo Takeuchi. (1986). Origin of the doublet at 1360 and 1340 cm−1 in the Raman spectra of tryptophan and related compounds. Spectrochimica Acta Part A Molecular Spectroscopy. 42(2-3). 307–312. 191 indexed citations

13.

Arakawa, Tsutomu, Yukio Furukawa, Hideo Takeuchi, Issei Harada, & Hideki Shirakawa. (1984). ROLE OF LONG CONJUGATED SEGMENTS IN THE ELECTRICAL PROPERTY OF TRANS-POLYACETYLENE. Chemistry Letters. 13(10). 1637–1640. 4 indexed citations

14.

Shimanouchi, Takehiko, Hiroatsu Matsuura, Yoshiki Ogawa, & Issei Harada. (1980). Tables of Molecular Vibrational Frequencies Part 10. Journal of Physical and Chemical Reference Data. 9(4). 1149–1254. 47 indexed citations

15.

Harada, Issei, Yukio Furukawa, Mitsuo Tasumi, Hideki Shirakawa, & Sakuji Ikeda. (1980). SPECTROSCOPIC STUDIES ON β-CAROTENE DOPED WITH IODINE AND SULFUR TRIOXIDE—DOPED POLYACETYLENE MODELS. Chemistry Letters. 9(3). 267–270. 14 indexed citations

16.

Ikemoto, Isao, Minoru Sakairi, Takayoshi Tsutsumi, et al.. (1979). X-RAY PHOTOELECTRON SPECTROSCOPIC STUDY OF HIGHLY CONDUCTIVE IODINE-DOPED POLYACETYLENE. Chemistry Letters. 8(10). 1189–1192. 23 indexed citations

17.

Matsuura, Hiroatsu, et al.. (1977). Vibration Spectra and Rotational Isomerism of Chain Molecules. VI. 2-Chloro-, 2-Bromo-, and 2-Iodoethyl Methyl Ethers. Bulletin of the Chemical Society of Japan. 50(9). 2272–2282. 10 indexed citations

18.

Harada, Issei, et al.. (1976). Raman spectrum of toxin B in relation to structure and toxicity. FEBS Letters. 72(2). 291–294. 14 indexed citations

19.

Hamaguchi, Hiro‐o, Issei Harada, & Takehiko Shimanouchi. (1974). SENSITIVITY CALIBRATION OF A RAMAN SPECTROMETER USING THE ROTATIONAL RAMAN SPECTRA OF DEUTERIUM. Chemistry Letters. 3(12). 1405–1410. 14 indexed citations

20.

Shimanouchi, Takehiko & Issei Harada. (1964). Far-Infrared Spectra of Cyanuric Acid, Uracil, and Diketopiperazine. The Journal of Chemical Physics. 41(9). 2651–2655. 60 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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