Akemi Ryu

3.1k total citations · 2 hit papers
19 papers, 2.6k citations indexed

About

Akemi Ryu is a scholar working on Dermatology, Organic Chemistry and Molecular Biology. According to data from OpenAlex, Akemi Ryu has authored 19 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Dermatology, 3 papers in Organic Chemistry and 3 papers in Molecular Biology. Recurrent topics in Akemi Ryu's work include Skin Protection and Aging (4 papers), melanin and skin pigmentation (3 papers) and Photodynamic Therapy Research Studies (3 papers). Akemi Ryu is often cited by papers focused on Skin Protection and Aging (4 papers), melanin and skin pigmentation (3 papers) and Photodynamic Therapy Research Studies (3 papers). Akemi Ryu collaborates with scholars based in Japan and United States. Akemi Ryu's co-authors include Kumi Arakane, Tetsuo Nagano, Gordon J. Freeman, Laurent Monney, Vijay K. Kuchroo, Edward Greenfield, Catherine A. Sabatos, Anthony J. Coyle, Jason L. Gaglia and Tatyana Chernova and has published in prestigious journals such as Nature, Journal of the American Chemical Society and The Journal of Immunology.

In The Last Decade

Akemi Ryu

19 papers receiving 2.5k citations

Hit Papers

Th1-specific cell surface protein Tim-3 regulates macroph... 2002 2026 2010 2018 2002 2003 400 800 1.2k
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. Th1-specific cell surface protein Tim-3 regulates macrophage activation and severity of an autoimmune disease
    2002 1.4k citations Laurent Monney, Catherine A. Sabatos et al. Nature profile →
  2. Active Oxygen Species Generated from Photoexcited Fullerene (C60) as Potential Medicines:  O2-•versus1O2
    2003 584 citations Yoko Yamakoshi, Naoki Umezawa et al. Journal of the American Chemical Society profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Akemi Ryu Japan 13 1.1k 616 591 533 451 19 2.6k
Xuan Huang China 40 434 0.4× 743 1.2× 425 0.7× 2.3k 4.4× 743 1.6× 119 4.4k
Abhijit Ray United States 37 348 0.3× 532 0.9× 474 0.8× 1.8k 3.3× 504 1.1× 116 4.2k
Jian Liu China 36 408 0.4× 533 0.9× 374 0.6× 1.3k 2.4× 202 0.4× 195 3.4k
Kristina Riehemann Germany 22 388 0.3× 316 0.5× 576 1.0× 1.2k 2.3× 120 0.3× 34 2.9k
Yong Weon Yi South Korea 28 190 0.2× 510 0.8× 268 0.5× 1.6k 3.0× 142 0.3× 63 2.7k
Xiaofei Zhou China 32 1.4k 1.2× 737 1.2× 160 0.3× 1.5k 2.8× 102 0.2× 99 3.3k
Lucas L. Colombo Argentina 23 296 0.3× 424 0.7× 184 0.3× 810 1.5× 100 0.2× 76 2.0k
Runhua Liu United States 29 659 0.6× 471 0.8× 280 0.5× 1.6k 2.9× 103 0.2× 93 3.4k
Yelin Wu China 31 427 0.4× 193 0.3× 855 1.4× 717 1.3× 84 0.2× 84 2.9k
Xiaomei Yang China 37 323 0.3× 583 0.9× 384 0.6× 2.0k 3.8× 116 0.3× 111 3.6k

Countries citing papers authored by Akemi Ryu

Since Specialization
Citations

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

Fields of papers citing papers by Akemi Ryu

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Akemi Ryu

This figure shows the co-authorship network connecting the top 25 collaborators of Akemi Ryu. A scholar is included among the top collaborators of Akemi Ryu 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 Akemi Ryu. Akemi Ryu is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Mizutani, Yuki, et al.. (2020). A Novel Method for Visualizing Melanosome and Melanin Distribution in Human Skin Tissues. International Journal of Molecular Sciences. 21(22). 8514–8514. 3 indexed citations
2.
Mizutani, Yuki, et al.. (2020). Three-dimensional structure analysis of melanocytes and keratinocytes in senile lentigo. Microscopy. 70(2). 224–231. 12 indexed citations
3.
Yoshida, Mitsuru, et al.. (2019). Effect of the Hot Water Extract of Coix lacryma-jobi L. var. ma-yuen Stapf with Husks on Skin Improvement. 16(1). 33–38. 3 indexed citations
4.
Ryu, Akemi, et al.. (2009). Squalene as a Target Molecule in Skin Hyperpigmentation Caused by Singlet Oxygen. Biological and Pharmaceutical Bulletin. 32(9). 1504–1509. 36 indexed citations
5.
Mitani, Hiroaki, et al.. (2007). Topical application of plant extracts containing xanthine derivatives can prevent UV‐induced wrinkle formation in hairless mice. Photodermatology Photoimmunology & Photomedicine. 23(2-3). 86–94. 20 indexed citations
6.
Yamakoshi, Yoko, Naoki Umezawa, Akemi Ryu, et al.. (2003). Active Oxygen Species Generated from Photoexcited Fullerene (C60) as Potential Medicines:  O2-•versus1O2. Journal of the American Chemical Society. 125(42). 12803–12809. 584 indexed citations breakdown →
7.
Meyers, Jennifer Hartt, Akemi Ryu, Laurent Monney, et al.. (2002). Cutting Edge: CD94/NKG2 Is Expressed on Th1 But Not Th2 Cells and Costimulates Th1 Effector Functions. The Journal of Immunology. 169(10). 5382–5386. 26 indexed citations
8.
Monney, Laurent, Catherine A. Sabatos, Jason L. Gaglia, et al.. (2002). Th1-specific cell surface protein Tim-3 regulates macrophage activation and severity of an autoimmune disease. Nature. 415(6871). 536–541. 1352 indexed citations breakdown →
9.
Ryu, Akemi, et al.. (2000). Enhanced Degradation of Phospholipids by Phospholipase A2 in Liver of Carbon Tetrachloride-Treated Rat.. JOURNAL OF HEALTH SCIENCE. 46(4). 275–281. 9 indexed citations
10.
Ryu, Akemi, et al.. (1999). In Vitro Alternatives and Phototoxicity Testing. II. Effects of Reactive Oxygen Species in In Vitro Phototoxicity Assays. Alternatives to Laboratory Animals. 27(4). 665–684. 4 indexed citations
11.
Ryu, Akemi, et al.. (1999). In Vitro Alternatives and Phototoxicity Testing. I. Evaluation of In Vitro Phototoxicity Assays. Alternatives to Laboratory Animals. 27(4). 639–664. 4 indexed citations
12.
Ryu, Akemi, et al.. (1998). In vitro degradation of tropoelastin by reactive oxygen species. Archives of Dermatological Research. 290(9). 497–500. 26 indexed citations
13.
Ryu, Akemi, et al.. (1997). Cross-Linking of Collagen by Singlet Oxygen Generated with UV-A.. Chemical and Pharmaceutical Bulletin. 45(8). 1243–1247. 25 indexed citations
14.
Umezawa, Naoki, Kumi Arakane, Akemi Ryu, et al.. (1997). Participation of Reactive Oxygen Species in Phototoxicity Induced by Quinolone Antibacterial Agents. Archives of Biochemistry and Biophysics. 342(2). 275–281. 130 indexed citations
15.
Okuda, K, Tadahiko Mashino, Masaaki Hirobe, et al.. (1997). Singlet oxygen production from fullerene derivatives: effect of sequential functionalization of the fullerene core. Chemical Communications. 21–22. 88 indexed citations
16.
Arakane, Kumi, Akemi Ryu, K Takarada, et al.. (1996). Measurement of 1268 nm Emission for Comparison of Singlet Oxygen (1.DELTA.g) Production Efficiency of Various Dyes.. Chemical and Pharmaceutical Bulletin. 44(1). 1–4. 28 indexed citations
17.
Arakane, Kumi, Akemi Ryu, Chikako Hayashi, et al.. (1996). Singlet Oxygen (1Δg) Generation from Coproporphyrin inPropionibacterium acneson Irradiation. Biochemical and Biophysical Research Communications. 223(3). 578–582. 85 indexed citations
18.
Stromeyer, C.F., Richard E. Kronauer, Akemi Ryu, Alex Chaparro, & Rhea T. Eskew. (1995). Contributions of human long‐wave and middle‐wave cones to motion detection.. The Journal of Physiology. 485(1). 221–243. 89 indexed citations
19.
Nagano, Tetsuo, et al.. (1994). Comparison of Singlet Oxygen Production Efficiency of C60 with Other Photosensitizers, Based on 1268 nm Emission.. Chemical and Pharmaceutical Bulletin. 42(11). 2291–2294. 63 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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