Search Results - "IKEDA, Masayuki"

Reconstruction of the chaotic behavior of the Solar System from geologic records by Ikeda, Masayuki, Tada, Ryuji

“…•Similar frequency of multi-Myr-cycles from the mutually-independent early Mesozoic records.•Changes in frequency of multi-Myr cycle provide evidence for the…”
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A 70 million year astronomical time scale for the deep-sea bedded chert sequence (Inuyama, Japan): Implications for Triassic–Jurassic geochronology by Ikeda, Masayuki, Tada, Ryuji

“…The astronomical time scale (ATS) has provided high-resolution geochronology. However, the early Mesozoic ATS is still under construction partly due to the…”
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Impact of 10-Myr scale monsoon dynamics on Mesozoic climate and ecosystems by Ikeda, Masayuki, Ozaki, Kazumi, Legrand, Julien

“…Earth’s orbital variations on timescales of 10 4 –10 5  years, known as Milankovitch cycles, have played a critical role in pacing climate change and ecosystem…”
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Approvals of type 2 diabetes drugs tested in cardiovascular outcome trials: A tripartite comparison by Shimazawa, Rumiko, Ikeda, Masayuki

“…Aims In 2008, the US Food and Drug Administration (FDA) issued a guidance requiring that cardiovascular outcome trials (CVOTs) be conducted for newer…”
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Astronomical pacing of the global silica cycle recorded in Mesozoic bedded cherts by Ikeda, Masayuki, Tada, Ryuji, Ozaki, Kazumi

“…The global silica cycle is an important component of the long-term climate system, yet its controlling factors are largely uncertain due to poorly constrained…”
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Potential adverse events in Japanese women who received tozinameran (BNT162b2, Pfizer-BioNTech) by Shimazawa, Rumiko, Ikeda, Masayuki

“…Abstract Reports of cerebral venous sinus thrombosis and intracranial hemorrhage (ICH) following the administration of coronavirus vaccines have raised…”
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Nighttime activities and peripheral clock oscillations depend on Wolbachia endosymbionts in flies by Morioka, Eri, Oida, Minami, Tsuchida, Tsutomu, Ikeda, Masayuki

“…Wolbachia are ubiquitous bacterial endosymbionts of arthropods and affect host gene expression. Although Wolbachia infections were suggested to modulate sleep…”
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Weakened pacific overturning circulation, winter monsoon dominance and tectonism re-organized Japan Sea paleoceanography during the Late Miocene global cooling by Matsuzaki, Kenji M., Ikeda, Masayuki, Tada, Ryuji

“…The Late Miocene global cooling (LMGC; approximately 7.9–5.8 Ma) was associated with remarkable changes in monsoon dynamics, biogenic bloom in the global…”
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Effects of Karoo–Ferrar volcanism and astronomical cycles on the Toarcian Oceanic Anoxic Events (Early Jurassic) by Ikeda, Masayuki, Hori, Rie S.

“…One of the most profound environmental changes in the Mesozoic took place during Pliensbachian–Toarcian (Early Jurassic), including oceanic anoxia (Toarcian…”
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Biological monitoring of occupational exposure to dichloromethane by means of urinalysis for un-metabolized dichloromethane by KAWAI, Toshio, SAKURAI, Haruhiko, IKEDA, Masayuki

“…The objective of the study is to establish exposure-excretion relationship between dichlorometane (DCM) in air (DCM-A) and in urine (DCM-U) in workplace to…”
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Volcanic temperature changes modulated volatile release and climate fluctuations at the end-Triassic mass extinction by Kaiho, Kunio, Tanaka, Daisuke, Richoz, Sylvain, Jones, David S., Saito, Ryosuke, Kameyama, Daichi, Ikeda, Masayuki, Takahashi, Satoshi, Aftabuzzaman, Md, Fujibayashi, Megumu

“…•Detection of CAMP volcanic events in end-Triassic marine strata.•The first eruption event had low volcanic temperature suggesting sill heating.•Low…”
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Editorial: The Role of Neuropeptides in Sleep/Wakefulness States and the Circadian Clock by Tsujino, Natsuko, Ikeda, Masayuki, Hirano, Arisa, Sakurai, Takeshi

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Challenges to hemoglobin A1c as a therapeutic target for type 2 diabetes mellitus by Ikeda, Masayuki, Shimazawa, Rumiko

“…Glycated hemoglobin (HbA1c) is widely accepted as the most reliable measure of long‐term glycemia. However, there is disagreement among professional medical…”
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Biological monitoring of occupational ethylbenzene exposure by means of urinalysis for un-metabolized ethylbenzene by KAWAI, Toshio, SAKURAI, Haruhiko, IKEDA, Masayuki

“…This study aimed to examine quantitative relation between ethylbenzene (EB) in air (EB-A) and un-metabolized EB in urine (EB-U) for biological monitoring of…”
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Terrestrial and marine organic matter evidence from a Cretaceous deep-sea chert of Japan: Implications for enhanced hydrological cycle during the Aptian OAE 1a by Nakagawa, Yuki, Legrand, Julien, Bôle, Maximilien, Hori, Rie S., Kuroda, Junichiro, Hasegawa, Hitoshi, Ikeda, Masayuki

“…The early Aptian Oceanic Anoxic Event (OAE 1a; ca. 120 Ma) was accompanied by a massive eruption of the Ontong Java Plateau, doubling atmospheric pCO₂, and…”
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Action potential firing rhythms in the suprachiasmatic nucleus of the diurnal grass rat, Arvicanthis niloticus by Morioka, Eri, Miyamoto, Tsubasa, Tamogami, Sakura, Koketsu, Takahiro, Kim, Juhyon, Yoshikawa, Tomoko, Mochizuki, Takatoshi, Ikeda, Masayuki

“…•SCN firings rhythms in Nile grass rats displayed a peak at dusk in vitro.•Locomotor activities in Nile grass rats represented large crepuscular peaks.•SCN…”
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Si isotope ratio of radiolaria across Triassic–Jurassic transition in a pelagic deep-sea bedded chert (Inuyama, Japan) by Bôle, Maximilien, Ushikubo, Takayuki, Hori, Rie S., Baumgartner, Peter O., Nakai, Yuki, Ikeda, Masayuki

“…The end-Triassic extinction event (ETE) marks one of the “Big five” mass extinction events of the Phanerozoic, yet the timing and nature of environmental…”
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Further examination of log Pow-based procedures to estimate biological occupational exposure limits by Kawai, Toshio, Sakurai, Haruhiko, Ikeda, Masayuki

“…Objectives: To test the reliability of the procedures (described in a previous article) for estimation of biological occupational exposure limits (BOELs)…”
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Delays in clinical development of neurological drugs in Japan by Ikeda, Masayuki

“…The delays in the approval and development of neurological drugs between Japan and other countries have been a major issue for patients with neurological…”
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Simplified procedures for estimation of biological occupational exposure limits by Kawai, Toshio, Sakurai, Haruhiko, Ikeda, Masayuki

“…Objectives To simplify the procedures to estimate biological occupational exposure limits (BOELs) by use of the ratio of geometric mean (GM) concentration of…”
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