Search Results - "NAGATA, Toshi"

New Algorithm by Maximizing Mutual Information for Correction of Frequency Drifts Arising from One-Dimensional NMR Spectroscopic Data Acquisition by Nagata, Toshi

“…Benchtop nuclear magnetic resonance (NMR) instruments are getting popular these days. However, the obtained spectra sometimes suffer from significant frequency…”
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Molby: Graphical Molecular Modeling Software with Integrated Ruby Interpreter by Nagata, Toshi

“…Molby is graphical molecular modeling software that runs on Windows and Macintosh computers. It has useful features for coordination compounds such as built-in…”
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Viral Production in Seawater Filtered Through 0.2-μm Pore-Size Filters: A Hidden Biogeochemical Cycle in a Neglected Realm by Yang, Yanhui, Nagata, Toshi

“…Viral production is a key parameter for assessing virus-mediated biogeochemical cycles. One widely used method for the determination of viral production,…”
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Diazotroph community structure and the role of nitrogen fixation in the nitrogen cycle in the Chukchi Sea (western Arctic Ocean) by Shiozaki, Takuhei, Fujiwara, Amane, Ijichi, Minoru, Harada, Naomi, Nishino, Shigeto, Nishi, Shinro, Nagata, Toshi, Hamasaki, Koji

“…Marine nitrogen fixation occurs not only in subtropical and tropical regions but also in colder regions. However, the distribution of diazotrophs, nitrogen…”
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Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies by Ohkouchi, Naohiko, Chikaraishi, Yoshito, Close, Hilary G., Fry, Brian, Larsen, Thomas, Madigan, Daniel J., McCarthy, Matthew D., McMahon, Kelton W., Nagata, Toshi, Naito, Yuichi I., Ogawa, Nanako O., Popp, Brian N., Steffan, Shawn, Takano, Yoshinori, Tayasu, Ichiro, Wyatt, Alex S.J., Yamaguchi, Yasuhiko T., Yokoyama, Yusuke

“…•This review investigates the sources, cycling, and trophic modification of nitrogen.•δ15N values of amino acids are useful for estimating trophic positions of…”
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Design of synthetic molecular units including quinones towards the construction of artificial photosynthesis by Nagata, Toshi

“…Quinones are essential components in many biological systems, notably in photosynthesis. This is largely due to the characteristic proton-coupled redox…”
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Bacterial surface roughness regulates nanoparticle scavenging in seawater by Yamada, Yosuke, Patel, Nirav, Fukuda, Hideki, Nagata, Toshi, Mitarai, Satoshi, Azam, Farooq

“…Organic nanoparticles are abundant in marine environments and constitute important nutrient sources for bacteria. Bacteria have evolved cell surfaces over 3.8…”
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Transparent Exopolymer Particles in Deep Oceans: Synthesis and Future Challenges by Nagata, Toshi, Yamada, Yosuke, Fukuda, Hideki

“…Transparent exopolymer particles (TEP) are a class of abundant gel-like particles that are omnipresent in seawater. While versatile roles of TEP in the…”
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Primary production and nitrogen assimilation rates from bay to offshore waters in the oyashio-kuroshio-Tsugaru Warm Current interfrontal region of the northwestern north Pacific Ocean by Shiozaki, Takuhei, Tada, Yuya, Fukuda, Hideki, Furuya, Ken, Nagata, Toshi

“…We examined primary production (PP) and the assimilation rates of nitrate (ρNO3-), ammonium (ρNH4+) and dinitrogen (ρN2) using 13C and 15N tracer techniques…”
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Tracking long‐distance migration of marine fishes using compound‐specific stable isotope analysis of amino acids by Matsubayashi, Jun, Osada, Yutaka, Tadokoro, Kazuaki, Abe, Yoshiyuki, Yamaguchi, Atsushi, Shirai, Kotaro, Honda, Kentaro, Yoshikawa, Chisato, Ogawa, Nanako O., Ohkouchi, Naohiko, Ishikawa, Naoto F., Nagata, Toshi, Miyamoto, Hiroomi, Nishino, Shigeto, Tayasu, Ichiro, Jeffers, Elizabeth

“…The long‐distance migrations by marine fishes are difficult to track by field observation. Here, we propose a new method to track such migrations using stable…”
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Modeling the global cycle of marine dissolved organic matter and its influence on marine productivity by Hasumi, Hiroyasu, Nagata, Toshi

“…•The first attempt to couple 3D planktonic and microbial models.•Global DOM cycle and its influence on marine productivity are investigated.•Existence of DOM…”
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Building a Low-cost Standalone Electrochemical Instrument Based on a Credit Card-sized Computer by NAGATA, Toshi, SUZUKI, Kentaro

“…A low-cost, standalone electrochemical instrument was built from a credit card-sized computer and inexpensive A/D and D/A converter chips. The instrument is…”
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Aggregate Formation During the Viral Lysis of a Marine Diatom by Yamada, Yosuke, Tomaru, Yuji, Fukuda, Hideki, Nagata, Toshi

“…Recent studies have suggested that the viral lysis of microbes not only facilitates the conversion of particulate organic matter into dissolved organic matter,…”
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Entropy-Controlled 2D Supramolecular Structures of N,N′-Bis(n-alkyl)naphthalenediimides on a HOPG Surface by Miyake, Yusuke, Nagata, Toshi, Tanaka, Hirofumi, Yamazaki, Masashi, Ohta, Masahiro, Kokawa, Ryohei, Ogawa, Takuji

“…The two-dimensional supramolecular structures of a series of N,N′-bis(n-alkyl)naphthalenediimides (NDIs), whose chain lengths span from C3 to C18, at a…”
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Curcumin maintenance therapy for ulcerative colitis: randomized, multicenter, double-blind, placebo-controlled trial by Hanai, Hiroyuki, Iida, Takayuki, Takeuchi, Ken, Watanabe, Fumitoshi, Maruyama, Yasuhiko, Andoh, Akira, Tsujikawa, Tomoyuki, Fujiyama, Yosihihide, Mitsuyama, Keiichi, Sata, Michio, Yamada, Masami, Iwaoka, Yasushi, Kanke, Kazunari, Hiraishi, Hideyuki, Hirayama, Kazuhisa, Arai, Hajime, Yoshii, Shigehito, Uchijima, Masato, Nagata, Toshi, Koide, Yukio

“…Curcumin is a biologically active phytochemical substance present in turmeric and has pharmacologic actions that might benefit patients with ulcerative colitis…”
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Position-dependent radiocarbon content of the macroalgae Undaria pinnatifida as an indicator of oceanographic conditions during algal growth by Satoh, Naomi, Fukuda, Hideki, Miyairi, Yosuke, Yokoyama, Yusuke, Nagata, Toshi

“…The radiocarbon content (∆ 14 C) of the large brown macroalga Undaria pinnatifida was investigated as an indicator of oceanographic conditions during algal…”
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Otolith radiocarbon signatures provide distinct migration history of walleye pollock around Hokkaido, Japan in the North‐Western Pacific by Ando, Kozue, Yokoyama, Yusuke, Miyairi, Yosuke, Sakai, Osamu, Hamatsu, Tomonori, Yamashita, Yuuho, Chimura, Masayuki, Nagata, Toshi

“…Trace elements and stable isotope ratios in otoliths have been used as proxies for the migration history of teleosts; however, their application in oceanic…”
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Large-scale geographical variation in prokaryotic abundance and production in meso- and bathypelagic zones of the central Pacific and Southern Ocean by Yokokawa, Taichi, Yang, Yanhui, Motegi, Chiaki, Nagata, Toshi

“…Heterotrophic production and abundance of prokaryotes (i.e., Bacteria and Archaea) in meso- (200–1000 m) and bathypelagic (> 1000 m) zones were measured at 31…”
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Geographic Variation of Particle Size Distribution in the Kuroshio Region: Possible Causes in the Upper Water Column by Yamada, Yosuke, Fukuda, Hideki, Umezawa, Yu, Nagata, Toshi

“…Particle size distribution (PSD) in the ocean is a fundamental property that influences carbon export and food webs; however, PSD variation and its causes in…”
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Rab39a interacts with phosphatidylinositol 3-kinase and negatively regulates autophagy induced by lipopolysaccharide stimulation in macrophages by Seto, Shintaro, Sugaya, Keiko, Tsujimura, Kunio, Nagata, Toshi, Horii, Toshinobu, Koide, Yukio

“…Rab39a has pleiotropic functions in phagosome maturation, inflammatory activation and neuritogenesis. Here, we characterized Rab39a function in membrane…”
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