D-Index & Metrics Best Publications

Koichi Takeya

University of Tokyo
Japan

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name Citations Publications World Ranking National Ranking

Chemistry D-index 60 Citations 9,170 274 World Ranking 6628 National Ranking 480

Overview

What is he best known for?

The fields of study Koichi Takeya is best known for:

Immune system
Optics
Magnetic field

His studies examine the connections between Activation energy and genetics, as well as such issues in Physical chemistry, with regards to Polarization (electrochemistry). His Polarization (electrochemistry) study frequently draws connections between adjacent fields such as Physical chemistry. Koichi Takeya regularly links together related areas like Ratón in his Immunology studies. His research is interdisciplinary, bridging the disciplines of Immunology and Ratón. His study deals with a combination of Virus and Medical microbiology. Koichi Takeya integrates many fields in his works, including Medical microbiology and Virology. His research on Virology frequently links to adjacent areas such as Herpes simplex virus. Koichi Takeya performs integrative study on Herpes simplex virus and Virus in his works. His work on Stereochemistry expands to the thematically related Diterpene.

His most cited work include:

Carbon Nanotube Terahertz Polarizer (223 citations)
Cytotoxic Diterpenes from the Rhizomes ofHedychium coronarium (103 citations)
None (84 citations)

What are the main themes of his work throughout his whole career to date

Borrowing concepts from Bacteria, Koichi Takeya weaves in ideas under Microbiology. He undertakes interdisciplinary study in the fields of Bacteria and Microbiology through his works. Koichi Takeya integrates Genetics and Gene in his studies. Koichi Takeya merges Gene with Genetics in his study. His work in Biochemistry is not limited to one particular discipline; it also encompasses In vitro. His In vitro study typically links adjacent topics like Biochemistry. In his research, he performs multidisciplinary study on Optoelectronics and Optics. Koichi Takeya merges Optics with Terahertz radiation in his study. While working in this field, he studies both Terahertz radiation and Laser.

Koichi Takeya most often published in these fields:

Microbiology (28.12%)
Bacteria (28.12%)
Genetics (28.12%)

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Structure–cytotoxic activity relationship for the toad poison bufadienolides

Yoshiaki Kamano;Ayano Kotake;Hirofumi Hashima;Masuo Inoue.
Bioorganic & Medicinal Chemistry (1998)

179 Citations

Studies on a Novel Anthraquinone and Its Glycosides isolated from Rubia cordifolia and R. akane

Hideji Itokawa;Kazuhiko Mihara;Koichi Takeya.
Chemical & Pharmaceutical Bulletin (1983)

165 Citations

Antitumor principles from Ginkgo biloba L.

Hider Itokawa;Nobuo Totsuka;Keisuke Nakahara;Koichi Takeya.
Chemical & Pharmaceutical Bulletin (1987)

163 Citations

Isoflavanones from the heartwood of Swartzia polyphylla and their antibacterial activity against cariogenic bacteria.

Kenji Osawa;Hideyuki Yasuda;Takashi Maruyama;Hiroshi Morita.
Chemical & Pharmaceutical Bulletin (1992)

149 Citations

QSAR evaluation of the Ch'an Su and related bufadienolides against the colchicine-resistant primary liver carcinoma cell line PLC/PRF/5(1).

Yoshiaki Kamano;Ayano Yamashita;Toshihiko Nogawa;Hiroshi Morita.
Journal of Medicinal Chemistry (2002)

148 Citations

Cytotoxic Quassinoids and Tirucallane-Type Triterpenes from the Woods of Eurycoma longifolia.

Hideji Itokawa;Etsuko Kishi;Hiroshi Morita;Koichi Takeya.
Chemical & Pharmaceutical Bulletin (1992)

146 Citations

Anthraquinones, Naphthohydroquinones and Naphthohydroquinone Dimers from Rubia cordifolia and Their Cytotoxic Activity

Hideji Itokawa;Zedan Z. Ibraheim;Ya-Fang Qiao;Koichi Takeya.
Chemical & Pharmaceutical Bulletin (1993)

146 Citations

Structural and conformational studies of [Ile7] and [Leu7]surfactins from Bacillus subtilis natto.

Hideji Itokawa;Toshihiko Miyashita;Hiroshi Morita;Koichi Takeya.
Chemical & Pharmaceutical Bulletin (1994)

136 Citations

Studies on the antitumor cyclic hexapeptides obtained from Rubiae radix.

Hideji Itokawa;Koichi Takeya;Kazuhiko Mihara;Noboru Mori.
Chemical & Pharmaceutical Bulletin (1983)

135 Citations

Cytotoxic flavonoids from Vitex agnus-castus

Chieko Hirobe;Zhi-Sheng Qiao;Koichi Takeya;Hideji Itokawa.
Phytochemistry (1997)

134 Citations

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Frequent Co-Authors

External Links

Personal Website for Koichi Takeya