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Ryosei Murai · SciRah

Researcher profile · Semantic Scholar

Ryosei Murai

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Ryosei Murai — researcher profile on SciRah

h-index: 6
Works: 24
Citations: 134

Most-cited papers

Stanniocalcin-1 promotes metastasis in a human breast cancer cell line through activation of PI3K
Ryosei Murai, Maki Tanaka, Yusuke Takahashi, Kageaki Kuribayashi +2 more
2014Clinical and Experimental Metastasis31 citations Open access
Semantic Scholar
Evaluating a novel, highly sensitive, and quantitative reagent for detecting SARS-CoV-2 antigen
Ryo Kobayashi, Ryosei Murai, K. Asanuma, Y. Fujiya +1 more
2021Journal of Infection and Chemotherapy30 citations Open access
Semantic Scholar
Prophylactic and Therapeutic Effects of Acanthopanax senticosus Harms Extract on Murine Collagen-induced Arthritis
Yusuke Takahashi, Maki Tanaka, Ryosei Murai, Kageaki Kuribayashi +3 more
2014Phytotherapy Research19 citations Open access
Semantic Scholar
Evaluation of false positives in the SARS-CoV-2 quantitative antigen test
Ryo Kobayashi, Ryosei Murai, M. Moriai, Shinya Nirasawa +11 more
2021Journal of Infection and Chemotherapy15 citations Open access
Semantic Scholar
Comparative study of rapid antigen testing and two nucleic acid amplification tests for influenza virus detection.
Yuki Sato, Shinya Nirasawa, Masachika Saeki, Yuki Yakuwa +7 more
2022Journal of Infection and Chemotherapy10 citations
Semantic Scholar
Performance analysis among multiple fully automated anti-SARS-CoV-2 antibody measurement reagents: A potential indicator for the correlation of protection in the antibody titer
Ryo Kobayashi, Ema Suzuki, Ryosei Murai, Makito Tanaka +2 more
2022Journal of Infection and Chemotherapy7 citations Open access
Semantic Scholar
Luteinizing hormone (LH) formed a complex with an immunoglobulin G caused abnormally high levels of LH: A case report.
Y. Umemori, Ryosei Murai, K. Asanuma, Yusuke Takahashi +3 more
2021Clinical Biochemistry6 citations
Semantic Scholar
Evaluation of new algorithm using TPLA as an initial syphilis screening test.
Ryosei Murai, Koji Yamada, Hitoshi Yonezawa, N. Yanagihara +1 more
2019Journal of Infection and Chemotherapy4 citations Open access
Semantic Scholar
Does the timing of saliva collection affect the diagnosis of SARS-CoV-2 infection?
Y. Katayama, Ryosei Murai, M. Moriai, Shinya Nirasawa +7 more
2022Journal of Infection and Chemotherapy3 citations Open access
Semantic Scholar
Analytical and Clinical Validation of a Plasma Fibroblast Growth Factor 21 ELISA Kit Using an Automated Platform in Steatotic Liver Disease
Makito Tanaka, Shingo Tanaka, Ryo Kobayashi, Ryosei Murai +1 more
2025Biomolecules2 citations Open access
Semantic Scholar
Clinical utility of in-hospital qPCR for cytomegalovirus detection: a single-center analysis.
M. Oikawa, Shingo Tanaka, Takashi Kondo, Makito Tanaka +4 more
2025Journal of Infection and Chemotherapy2 citations
Semantic Scholar
Study of post-opening stability of active ingredients in hand sanitizers.
Ryo Kobayashi, Ryosei Murai, Yuki Sato, M. Nakae +4 more
2022Journal of Infection and Chemotherapy2 citations
Semantic Scholar
Analysis of factors affecting fluctuations in urinary oxygen tension and relationship to obligate anaerobic bacterial growth.
Yuki Sato, Koji Ichihara, Ryo Kobayashi, Shinya Nirasawa +3 more
2025Journal of Infection and Chemotherapy1 citations Open access
Semantic Scholar
Factors affecting the sensitivity of quantitative severe acute respiratory syndrome coronavirus 2 antigen test
Yuki Sato, Ryosei Murai, Ryo Kobayashi, A. Togashi +3 more
2023Journal of Infection and Chemotherapy1 citations Open access
Semantic Scholar
Serum Testosterone Is Associated With the Severity of COVID-19
Ema Suzuki, Koji Kuronuma, Ryosei Murai, Y. Fujiya +3 more
2023In Vivo1 citations Open access
Semantic Scholar
Chip‐based digital polymerase chain reaction technology is useful for monitoring the JAK2 V617F allele burden in Philadelphia‐negative myeloproliferative neoplasms
D. Furuya, M. Moriai, Ryosei Murai, R. Moriai +5 more
2019International Journal of Laboratory Hematology1 citations
Semantic Scholar
Stanniocalcin-1 promotes metastasis in a human breast cancer cell line through activation of PI3K
Ryosei Murai, Maki Tanaka, Yusuke Takahashi, Kageaki Kuribayashi +2 more
2014Clinical and Experimental Metastasis1 citations Open access
Semantic Scholar
Warm Autoimmune Hemolytic Anemia Associated with Pancreatic Adenocarcinoma Showing Ectopic Expression of Band 3 Protein: A Case Report
A. Goto, Makoto Yoshida, Ryosei Murai, Hiroto Horiguchi +5 more
2026Internal medicine0 citations Open access
Semantic Scholar
Analytical Validation and Preliminary Clinical Evaluation of Plasma Carboxylesterase 1 for Ultrasound-Defined Hepatic Steatosis
Makito Tanaka, Shingo Tanaka, Kayoko Ochi, Ryo Kobayashi +2 more
2026Diagnostics0 citations Open access
Semantic Scholar
EFFECTS OF EXTENDED RED BLOOD CELL STORAGE PERIODS IN OUR HOSPITAL
Ryosei Murai, Shingo Tanaka, Yuki Katayma, M. Moriai +2 more
2025Japanese Journal of Transfusion and Cell Therapy0 citations Open access
Semantic Scholar
Eight Cases Found to Have False-positive SARS-CoV-2 Tests after Admission to a COVID-19 Ward
M. Nakae, Yoshihiro Fujiya, Koji Kuronuma, Ryo Kobayashi +4 more
2024Japanese Journal of Infection Prevention and Control0 citations Open access
Semantic Scholar
Analytical performance of four rapid molecular testing for SARS-CoV-2
Y. Katayama, Ryosei Murai, Yuki Sato, M. Moriai +6 more
2022Laboratoriums Medizin0 citations Open access
Semantic Scholar
APPROPRIATE USE OF FRESH FROZEN PLASMA BY DISEASE-SPECIFIC ANALYSIS
Shingo Tanaka, Ryosei Murai, Ikumi Kitayama, Y. Katayama +7 more
2022Japanese Journal of Transfusion and Cell Therapy0 citations Open access
Semantic Scholar
Reconstructing a 3-dimensional image of the results of antinuclear antibody testing by indirect immunofluorescence.
Ryosei Murai, Koji Yamada, Maki Tanaka, Kageaki Kuribayashi +3 more
2013JIM - Journal of Immunological Methods0 citations
Semantic Scholar

Frequent co-authors

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Ryo Kobayashi×11
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Ryo Kobayashi — researcher profile on SciRah
Yuki Sato×8
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Yuki Sato — researcher profile on SciRah
Satoshi Takahashi×8
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Satoshi Takahashi — researcher profile on SciRah
Y. Fujiya×7
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Y. Fujiya — researcher profile on SciRah

Shinya Nirasawa

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Shinya Nirasawa — researcher profile on SciRah

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K. Asanuma — researcher profile on SciRah

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M. Moriai — researcher profile on SciRah

Koji Kuronuma×6

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Koji Kuronuma — researcher profile on SciRah

Satoshi Takahashi×5

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Satoshi Takahashi — researcher profile on SciRah

Yusuke Takahashi×4

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Yusuke Takahashi — researcher profile on SciRah

Kageaki Kuribayashi×4

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Kageaki Kuribayashi — researcher profile on SciRah

D. Kobayashi×4

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D. Kobayashi — researcher profile on SciRah