Ryohei Yamada

1.8k total citations
111 papers, 1.5k citations indexed

About

Ryohei Yamada is a scholar working on Molecular Biology, Biochemistry and Clinical Biochemistry. According to data from OpenAlex, Ryohei Yamada has authored 111 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 44 papers in Molecular Biology, 38 papers in Biochemistry and 23 papers in Clinical Biochemistry. Recurrent topics in Ryohei Yamada's work include Amino Acid Enzymes and Metabolism (38 papers), Metabolism and Genetic Disorders (23 papers) and Radioactive contamination and transfer (18 papers). Ryohei Yamada is often cited by papers focused on Amino Acid Enzymes and Metabolism (38 papers), Metabolism and Genetic Disorders (23 papers) and Radioactive contamination and transfer (18 papers). Ryohei Yamada collaborates with scholars based in Japan, United States and Ireland. Ryohei Yamada's co-authors include Yoshio Kera, Yasuo Wakabayashi, Akio Iwashima, Shouji Takahashi, Takashi Watanabe, Takeshi Hasegawa, Harry P. C. Hogenkamp, Etsuko Yamada, Shoichi Shimizu and Saburo Fukui and has published in prestigious journals such as Nucleic Acids Research, Journal of Biological Chemistry and SHILAP Revista de lepidopterología.

In The Last Decade

Ryohei Yamada

103 papers receiving 1.4k citations

Peers

Countries citing papers authored by Ryohei Yamada

Since Specialization

Citations

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

Fields of papers citing papers by Ryohei Yamada

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Ryohei Yamada

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

#	Work	Indexed citations
1	Optical Fresnel zone plate flat lenses made entirely of colored photoresist through an i-line stepper 2025 ·Light Science & Applications ·Ryohei Yamada, Hiroyuki Kishida, Tomohide Takami, R. Itti, (unknown), (unknown), Kuniaki Konishi	1
2	Fukushima’s Tap and Groundwater a Decade after the Nuclear Accident with Radiocesium, Tritium, and Radon 2025 ·Environmental Science & Technology ·(unknown), (unknown), Yasuyuki Taira, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Chutima Kranrod, Ryohei Yamada, (unknown), Yuki Tamakuma, Hiromi Kudo, Minoru Osanai, (unknown), Yumi Yasuoka, Tetsuya Sanada, Masahiro Hosoda, Shinji Tokonami	1
3	Tissue-free water tritium and non-exchangeable organically bound tritium concentrations in fish near coastline during and after operation of Japan's first nuclear fuel reprocessing facility 2024 ·The Science of The Total Environment ·Naofumi Akata, (unknown), Hideki Kakiuchi, Ryohei Yamada, Hidenao Hasegawa, Shinji Ueda	7
4	Structure shielding of school and gymnasium buildings against fallout gamma radiation from the Fukushima Daiichi Nuclear Power Plant accident 2024 ·Ecotoxicology and Environmental Safety ·(unknown), (unknown), Ryohei Yamada, Yasutaka Omori, Katsuhiro Tanaka, Masahiro Hosoda, Shinji Tokonami	0
5	Evaluation of combustion system for organically bound tritium analysis using dried fish samples 2024 ·Radiation Protection Dosimetry ·(unknown), Ryohei Yamada, (unknown), Hideki Kakiuchi, (unknown), (unknown), Naofumi Akata	0
6	Temporal variation of tritium concentration in monthly precipitation collected at a Difficult-to-Return Zone in Namie Town, Fukushima Prefecture, Japan 2024 ·Environmental Science and Pollution Research ·Ryohei Yamada, Hidenao Hasegawa, Naofumi Akata, Hideki Kakiuchi, Shinya Ochiai, (unknown), (unknown), Shinji Tokonami, Shinji Ueda	2
7	Tritium concentration in monthly precipitation in Okinawa and Kagoshima, southern Japan 2024 ·Radiation Protection Dosimetry ·Naofumi Akata, (unknown), (unknown), (unknown), (unknown), Ryohei Yamada, Yasuhiko Kitayama, (unknown), (unknown), (unknown), Masahiro Tanaka, (unknown), Shinji Tokonami, M. Furukawa	0
8	Simple methods for measuring milk exosomes using fluorescent compound GIF-2250/2276 2024 ·Biochemical and Biophysical Research Communications ·(unknown), (unknown), (unknown), Ryohei Yamada, Yuji O. Kamatari, Lee Wah Lim, Hiroko Koyama, Yasuo Inoshima, Mitsushi Ikemoto, (unknown), Yoko Hirata, Kyoji Furuta, (unknown)	4
9	Magnetic control of membrane damage in early endosomes using internalized magnetic nanoparticles 2024 ·Cell Structure and Function ·(unknown), (unknown), (unknown), K. Kobayashi, Norio Saito, (unknown), Ryohei Yamada, (unknown), (unknown), Yuji Shibasaki, Satoru Kobayashi, Yoko Shiba	1
10	Tritium concentration in bottled drinking water and internal dose assessment 2023 ·Journal of Radioanalytical and Nuclear Chemistry ·(unknown), Naofumi Akata, (unknown), Masahiro Tanaka, Masahiro Hosoda, Michiya Sasaki, (unknown), Shinji Tokonami, Ryohei Yamada, Chutima Kranrod, Kazuki Iwaoka, Tibor Kovács	3
11	Calibration experiments for radon in drinking water measurements using portable-type electrostatic-collection radon monitors 2023 ·Radiation Protection Dosimetry ·Masahiro Hosoda, Yasutaka Omori, Hiroki Hashimoto, (unknown), Yumi Yasuoka, Tetsuya Sanada, (unknown), (unknown), (unknown), Chutima Kranrod, Hirofumi Tazoe, Naofumi Akata, Yasuyuki Taira, Yuki Tamakuma, Ryohei Yamada, Hiromi Kudo, Mayumi Shimizu, Shinji Tokonami	1
12	222Rn and 226Ra Concentrations in Spring Water and Their Dose Assessment Due to Ingestion Intake 2022 ·International Journal of Environmental Research and Public Health ·Ryohei Yamada, Masahiro Hosoda, (unknown), Yuki Tamakuma, Takahito Suzuki, Kevin Kelleher, (unknown), (unknown), (unknown), (unknown), (unknown), Chutima Kranrod, Hirofumi Tazoe, Kazuki Iwaoka, Yumi Yasuoka, Naofumi Akata, Tetsuya Sanada, Shinji Tokonami	6
13	INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD 2022 ·Radiation Protection Dosimetry ·Masahiro Hosoda, Ryohei Yamada, (unknown), Yuki Tamakuma, (unknown), Hiroki Hashimoto, (unknown), Chutima Kranrod, Yasutaka Omori, Hirofumi Tazoe, Naofumi Akata, Shinji Tokonami	6
14	Long-Term Measurements of Radon and Thoron Exhalation Rates from the Ground Using the Vertical Distributions of Their Activity Concentrations 2021 ·International Journal of Environmental Research and Public Health ·(unknown), Yuki Tamakuma, Takahito Suzuki, Ryohei Yamada, Weihai Zhuo, Chutima Kranrod, Kazuki Iwaoka, Naofumi Akata, Masahiro Hosoda, Shinji Tokonami	14
15	A Preliminary Study of Radon Equilibrium Factor at a Tourist Cave in Okinawa, Japan 2021 ·Atmosphere ·Ryohei Yamada, Yuki Tamakuma, Takahito Suzuki, (unknown), (unknown), M. Furukawa, Hiroki Hashimoto, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami	4
16	Effects of Insecticides In Vitro on Acetylcholinesterase Purified from Body Muscle of Koi Carp (Cyprinus carpio) 2007 ·Ryohei Sato, (unknown), Tadahiko Matsumoto, Shouji Takahashi, Ryohei Yamada, Yoshio Kera	5
17	Plasma vitellogenin concentration of wild Koi Carp (Cyprinus carpio) in the Shinano River and wetland sites in Niigata Prefecture 2001 ·Yoshio Kera, (unknown), Tomoki Kato, (unknown), Shouji Takahashi, Ryohei Yamada	4
18	Koi Carp (Cyprinus carpio) Vitellogenin : Purification, N-Terminal and Internal Amino Acid Sequences and Establishment of an Enzyme-Linked Immuno sorbent Assay (ELISA) 2000 ·Yoshio Kera, Tomoki Kato, (unknown), Ryohei Yamada	8
19	Mechanism of Intestinal Absorption of Vitamin B_6 : (II)STUDIES WITH THE EVERTED SACS OF RAT INTESTINE 1974 ·(unknown), Ryohei Yamada	3
20	S-3. Chemotherapy of Brain Tumor (Symosium:Non-Operatives Treauments for Brain Tumors) 1966 ·Neurologia medico-chirurgica ·Dennosuke Jinnai, H Mogami, (unknown), Toru Hayakawa, (unknown), Ryohei Yamada	1

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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