Kinuko Iwasa

2.2k total citations
79 papers, 1.6k citations indexed

About

Kinuko Iwasa is a scholar working on Pharmacology, Organic Chemistry and Pharmacology. According to data from OpenAlex, Kinuko Iwasa has authored 79 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Pharmacology, 41 papers in Organic Chemistry and 23 papers in Pharmacology. Recurrent topics in Kinuko Iwasa's work include Berberine and alkaloids research (43 papers), Chemical synthesis and alkaloids (29 papers) and Traditional and Medicinal Uses of Annonaceae (19 papers). Kinuko Iwasa is often cited by papers focused on Berberine and alkaloids research (43 papers), Chemical synthesis and alkaloids (29 papers) and Traditional and Medicinal Uses of Annonaceae (19 papers). Kinuko Iwasa collaborates with scholars based in Japan, South Korea and United States. Kinuko Iwasa's co-authors include Fumihiko Sato, Nobuhiro Ikezawa, Masataka Moriyasu, Narao Takao, Wolfgang Wiegrebe, Makiko Sugiura, M. Kamigauchi, Hye‐Sook Kim, Yusuke Wataya and Yumi Nishiyama and has published in prestigious journals such as Journal of the American Chemical Society, Journal of Biological Chemistry and The Journal of Organic Chemistry.

In The Last Decade

Kinuko Iwasa

79 papers receiving 1.6k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Kinuko Iwasa Japan 21 802 679 570 480 246 79 1.6k
Eva Táborská Czechia 22 687 0.9× 555 0.8× 262 0.5× 274 0.6× 268 1.1× 82 1.4k
Hisashi Ishii Japan 23 605 0.8× 559 0.8× 1.1k 1.9× 258 0.5× 452 1.8× 195 2.0k
Jiří Slavík Czechia 16 673 0.8× 381 0.6× 374 0.7× 355 0.7× 221 0.9× 138 1.2k
Shi‐Shan Yu China 25 509 0.6× 1.1k 1.7× 447 0.8× 287 0.6× 577 2.3× 108 1.9k
Genjiro Kusano Japan 27 349 0.4× 1.3k 1.9× 641 1.1× 186 0.4× 527 2.1× 133 2.2k
Hélène Guinaudeau France 20 364 0.5× 588 0.9× 513 0.9× 475 1.0× 392 1.6× 81 1.6k
Shinji Funayama Japan 24 477 0.6× 802 1.2× 522 0.9× 160 0.3× 289 1.2× 88 1.6k
Koichi Takeya Japan 34 512 0.6× 2.2k 3.2× 1.0k 1.8× 536 1.1× 521 2.1× 126 3.3k
Edmundo A. Rúveda Argentina 22 234 0.3× 890 1.3× 640 1.1× 218 0.5× 348 1.4× 95 1.6k
Munehisa Arisawa Japan 28 459 0.6× 1.3k 1.9× 411 0.7× 360 0.8× 941 3.8× 124 2.4k

Countries citing papers authored by Kinuko Iwasa

Since Specialization
Citations

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

Fields of papers citing papers by Kinuko Iwasa

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kinuko Iwasa

This figure shows the co-authorship network connecting the top 25 collaborators of Kinuko Iwasa. A scholar is included among the top collaborators of Kinuko Iwasa 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 Kinuko Iwasa. Kinuko Iwasa 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.
Takemura, Tomoya, Nobuhiro Ikezawa, Kinuko Iwasa, & Fumihiko Sato. (2012). Molecular cloning and characterization of a cytochrome P450 in sanguinarine biosynthesis from Eschscholzia californica cells. Phytochemistry. 91. 100–108. 57 indexed citations
2.
Iwasa, Kinuko, Yumi Nishiyama, M. Kamigauchi, et al.. (2010). Biotransformation of Phenolic Tetrahydroprotoberberines in Plant Cell Cultures Followed by LC-NMR, LC-MS, and LC-CD. Journal of Natural Products. 73(2). 115–122. 12 indexed citations
3.
Nishiyama, Yumi, Masataka Moriyasu, Momoyo Ichimaru, et al.. (2009). Antinociceptive effects of the extracts of Xylopia parviflora bark and its alkaloidal components in experimental animals. Journal of Natural Medicines. 64(1). 9–15. 20 indexed citations
4.
5.
Ikezawa, Nobuhiro, Kinuko Iwasa, & Fumihiko Sato. (2008). CYP719A subfamily of cytochrome P450 oxygenases and isoquinoline alkaloid biosynthesis in Eschscholzia californica. Plant Cell Reports. 28(1). 123–133. 72 indexed citations
6.
7.
Minami, Hiromichi, Emilyn G. Dubouzet, Kinuko Iwasa, & Fumihiko Sato. (2007). Functional Analysis of Norcoclaurine Synthase in Coptis japonica. Journal of Biological Chemistry. 282(9). 6274–6282. 107 indexed citations
8.
Ikezawa, Nobuhiro, Kinuko Iwasa, & Fumihiko Sato. (2007). Molecular cloning and characterization of methylenedioxy bridge‐forming enzymes involved in stylopine biosynthesis in Eschscholzia californica. FEBS Journal. 274(4). 1019–1035. 87 indexed citations
9.
Nishiyama, Yumi, Masataka Moriyasu, Momoyo Ichimaru, et al.. (2006). Secondary and tertiary isoquinoline alkaloids from Xylopia parviflora. Phytochemistry. 67(24). 2671–2675. 38 indexed citations
10.
Iwasa, Kinuko, et al.. (2006). Knockdown of berberine bridge enzyme by RNAi accumulates (S)-reticuline and activates a silent pathway in cultured California poppy cells. Transgenic Research. 16(3). 363–375. 59 indexed citations
11.
Nishiyama, Yumi, Chiaki Murayama, Masataka Moriyasu, et al.. (2004). Quaternary Isoquinoline Alkaloids from Monodora junodii and M. grandidieri. 58(6). 303–306. 1 indexed citations
12.
Nishiyama, Yumi, Masataka Moriyasu, Momoyo Ichimaru, et al.. (2004). Quaternary isoquinoline alkaloids from Xylopia parviflora. Phytochemistry. 65(7). 939–944. 46 indexed citations
13.
14.
Iwasa, Kinuko, et al.. (2003). LC–NMR and LC–MS analysis of 2,3,10,11-oxygenated protoberberine metabolites in Corydalis cell cultures. Phytochemistry. 64(7). 1229–1238. 17 indexed citations
15.
Iwasa, Kinuko, Masataka Moriyasu, Yoko Tachibana, et al.. (2001). Simple Isoquinoline and Benzylisoquinoline Alkaloids as Potential Antimicrobial, Antimalarial, Cytotoxic, and Anti-HIV Agents. Bioorganic & Medicinal Chemistry. 9(11). 2871–2884. 115 indexed citations
16.
Nishiyama, Yumi, Masataka Moriyasu, Momoyo Ichimaru, et al.. (2000). Secondary and Tertiary Isoquinoline Alkaloids from Monodora junodii. Journal of Natural Medicines. 54(6). 338–341. 5 indexed citations
17.
Nishiyama, Yumi, et al.. (2000). Isoquinoline Alkaloids from Monodora junodii. Natural medicines = 生薬學雜誌. 54(1). 42. 2 indexed citations
18.
Iwasa, Kinuko, et al.. (2000). Fungicidal and Herbicidal Activities of Berberine Related Alkaloids. Bioscience Biotechnology and Biochemistry. 64(9). 1998–2000. 11 indexed citations
19.
Iwasa, Kinuko, et al.. (1981). Reduction-oxidation of berbine N-oxides with aerated sodium in liquid ammonia. The Journal of Organic Chemistry. 46(7). 1378–1383. 3 indexed citations
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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