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Naohiko Ohkouchi

japan agency for marine-earth science and technology

59H指数
522论文数
1.3W被引数
收录论文 122
发表时间
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Distribution of purine and pyrimidine bases in Antarctic carbonaceous meteorites南极碳质陨石中嘌呤和嘧啶碱基的分布
errGeochimica et Cosmochimica Acta
IF5
err2026-07-06
err0
errOAAI
errYasuhiro Oba; Takuto Tomaru; Toshiki Koga; Yoshihiro Furukawa; Sako Sunami; Toshihiro Yoshimura; Yuta Hirakawa; Nanako O. Ogawa; Naohiko Ohkouchi; Keiko Kuwamoto; Yoshinori Takano; Hiroshi Naraoka
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Estimating the migration pathway of chub mackerel using a state-space model with nitrogen isoscapes and compound-specific nitrogen isotope analysis利用氮同位素空间格局和化合物特异性氮同位素分析的状态空间模型估计鲭鱼的迁移路径
errProgress in Oceanography
IF3.6
err2026-05-01
err0
errOAAI
errSakamoto, Kohei; Yoshikawa, Chisato; Ogawa, Nanako O.; Osada, Yutaka; Ishikawa, Naoto F.; Ito, Shin-ichi; Yokoyama, Yusuke; Ohkouchi, Naohiko
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A complete set of canonical nucleobases in the carbonaceous asteroid (162173) Ryugu碳质小行星(162173)Ryugu中一套完整的规范碱基
errNature Astronomy
IF14.3
err2026-03-16
err0
errOAAI
errToshiki Koga; Yasuhiro Oba; Yoshinori Takano; Hiroshi Naraoka; Nanako O. Ogawa; Kazunori Sasaki; Hajime Sato; Toshihiro Yoshimura; Naohiko Ohkouchi
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Tracing terrestrial nitrogen contributions to the salt marsh food web of the Obitsu River estuary in Tokyo Bay using compound-specific δ15N analysis of amino acids使用氨基酸的化合物特异性δ¹⁵N分析追踪东京湾利根川河口盐沼食物网中的陆地氮贡献
errProgress in Earth and Planetary Science
IF2.8
err2026-03-09
err0
errOAAI
errSatoshi Furota; Naoto F. Ishikawa; Nanako O. Ogawa; Toshio Furota; Naohiko Ohkouchi
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Silicate and Carbonate Weathering Perturbation at the Eocene-Oligocene Transition Recorded by Mg IsotopesMg同位素记录的始新世-渐新世过渡的硅酸盐和碳酸盐风化扰动
errgeochemistry, geophysics, geosystems
IF0
err2026-02-05
err0
errOAAI
errAdam D. Sproson; Toshihiro Yoshimura; Shigeyuki Wakaki; Takahiro Aze; Yusuke Yokoyama; Tsuyoshi Ishikawa; Naohiko Ohkouchi
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Carbon isotopic changes of 16 proteinogenic amino acids during trophic transfer in a cultured marine consumer养殖海洋消费者营养转移过程中16种蛋白质氨基酸的碳同位素变化
errProgress in Earth and Planetary Science
IF2.8
err2026-01-28
err0
errOAAI
errYuchen Sun; Naoto F. Ishikawa; Nanako O. Ogawa; Yoshinori Takano; Naohiko Ohkouchi
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Carbon and Nitrogen Stable Isotopic Profiling of Chimpanzees and Monkeys in Kalinzu Forest Reserve, Uganda乌干达卡林祖森林保护区中黑猩猩和猴类的碳和氮稳定同位素分析
errAmerican Journal of Primatology
IF1.8
err2026-01-01
err0
errOAAI
errTsutaya, Takumi; Aruga, Natsumi; Ishikawa, Naoto F.; Sasaki, Yoko; Kitayama, Haruka; Yoneda, Minoru; Ogawa, Nana O.; Ohkouchi, Naohiko; Hashimoto, Chie
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Nitrogen and carbon flows in a microbial mat involving anaerobic oxidation of methane in northwestern Black Sea: perspectives from nitrogen and carbon isotopic composition of coenzyme F430 and its biosynthetic pathway西北黑海中涉及甲烷厌氧氧化的微生物垫中的氮和碳流动：来自辅酶F430及其生物合成途径的氮和碳同位素组成的视角
errProgress in Earth and Planetary Science
IF2.8
err2025-12-06
err0
errOAAI
errMasanori Kaneko; Yoshinori Takano; Yuta Isaji; Nanako O. Ogawa; Yoshito Chikaraishi; Naoto F. Ishikawa; Hiroyuki Imachi; Yoshihiro Takaki; Miyuki Ogawara; Fumie Kabashima; Martin Krüger; Naohiko Ohkouchi
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Working standards and analytical framework for CSIA: isotopic composition (δ13C, δ15N, and δ34S) of 21 amino acids and 7 nucleobases稳定同位素分析（CSIA）的工作标准和分析框架：21种氨基酸和7种碱基的同位素组成（δ13C、δ15N和δ34S）
errProgress in Earth and Planetary Science
IF2.8
err2025-12-06
err0
errOAAI
errNanako O. Ogawa; Yoshinori Takano; Yu Itahashi; Naoto F. Ishikawa; Naohiko Ohkouchi
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Purification of hydroxyproline for small-scale radiocarbon dating verified using archaeological bone collagen通过考古骨胶原验证的小规模放射性碳定年法中羟基脯氨酸的纯化
errProgress in Earth and Planetary Science
IF2.8
err2025-12-01
err0
errOAAI
errYu Itahashi; Yoshinori Takano; Yoshito Chikaraishi; Nanako O. Ogawa; Naoto F. Ishikawa; Naohiko Ohkouchi; Masako Yamane; Yusuke Yokoyama; Minoru Yoneda
err分享
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Incomplete oxidative sulfide weathering and low atmospheric oxygen levels during the Great Oxidation Event大氧化事件期间的不完全氧化硫风化作用和低水平大气氧含量
errCommunications Earth & Environment
IF8.9
err2025-11-17
err0
errOAAI
errKosuke T. Goto; Yasuhito Sekine; Umi Nakamura; Katsuhiko Suzuki; Ryoko Senda; Naoki Yamada; Yuichiro Ueno; Shogo Tachibana; Naohiro Yoshida; Mariko Harada; Ryuji Tada; Kazuhisa Goto; Shinji Yamamoto; Teruyuki Maruoka; Nanako O. Ogawa; Naohiko Ohkouchi; Yumiko Harigane; Yoshiaki Kon; Gen Shimoda; Simon W. Poulton; Eiichi Tajika
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Nitrogenous sources for summertime phytoplankton at two contrasting stations in the subarctic and subtropical western North Pacific亚北极和亚热带西北太平洋两个对比站位夏季浮游植物氮源
errProgress in Oceanography
IF3.6
err2025-10-30
err0
errOAAI
errC. Yoshikawa; H. Yamaguchi; N.O. Ogawa; A. Makabe; M. Sato; Y. Mino; K. Matsumoto; Y. Nakano; S. Kawagucci; T. Fujiki; N. Harada; M. Kawachi; N. Ohkouchi
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Nanomolar-scale sulfate sulfur isotope analysis using a combined ion chromatography–barite precipitation and nano-EA/IRMS纳摩尔尺度硫酸盐硫同位素分析：采用联用离子色谱–硫酸钡沉淀与纳米元素分析仪/同位素比质谱仪的方法
errProgress in Earth and Planetary Science
IF2.8
err2025-10-29
err0
errOAAI
errNanako O. Ogawa; Toshihiro Yoshimura; Takeru Kochi; Junichiro Kuroda; Yoshinori Takano; Naohiko Ohkouchi
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Nitrogen isotopic composition of amino acids reveals a variety of trophic ecology of organisms inhabiting chemosynthesis-based ecosystems氨基酸的氮同位素组成揭示了栖息于化能合成生态系统中的生物体的营养生态多样性
errProgress in Earth and Planetary Science
IF2.8
err2025-10-15
err0
errOAAI
errMasashi Tsuchiya; Takao Yoshida; Yoshito Chikaraishi; Nanako O. Ogawa; Hidetaka Nomaki; Yoshihiro Fujiwara; Yasuhiko T. Yamaguchi; Yohei Tada; Robert G. Jenkins; Yoko Sasaki; Katsunori Fujikura; Naohiko Ohkouchi
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Chromatographic isolation for performing enantiomer-specific radiocarbon analysis (ESRA): first method development for individual L- and D-amino acids色谱分离用于执行对映异构体特异性放射性碳分析（ESRA）：L-和D-氨基酸个体化的第一种方法开发
errProgress in Earth and Planetary Science
IF2.8
err2025-09-29
err0
errOAAI
errThomas M. Blattmann; Yuchen Sun; Nanako O. Ogawa; Yoshinori Takano; Negar Haghipour; Naoto F. Ishikawa; Timothy I. Eglinton; Naohiko Ohkouchi
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New evaluation of vertical particulate organic carbon fluxes of submillimeter-sized phaeodarians in the mesopelagic twilight zone of the western North Pacific Ocean对西太平洋次表层过渡带中亚毫米级矽质放射虫垂直颗粒有机碳通量的新评估
errProgress in Earth and Planetary Science
IF2.8
err2025-09-10
err0
errOAAI
errTakahito Ikenoue; Nanako O. Ogawa; Hidetaka Nomaki; Katsunori Kimoto; Makio C. Honda; Naohiko Ohkouchi; Tetsuichi Fujiki
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Correction: Gleaning of δ15N in ecosystems and its animal-organ isotope data: perspectives for the construction of the isotopically ordered world更正：生态系统中的δ¹⁵N富集及其动物-有机体同位素数据：构建同位素有序世界的视角
errProgress in Earth and Planetary Science
IF2.8
err2025-08-26
err0
errOAAI
errEitaro Wada; Yoshihisa Kudo; Hiroshi Mizutani; Hiroshi Minami; Kenji Matsubara; Yoshihiro Yamada; Nanako O. Ogawa; Yukihiro Kohmatsu; Naoko Nishizawa; Isamu Shimizu; Reiichiro Ishii; Fujio Hyodo; Maki N. Aita; Wataru Sakamoto; Naohiko Ohkouchi
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Gleaning of δ15N in ecosystems and its animal-organ isotope data: perspectives for the construction of the isotopically ordered world生态系统中的δ¹⁵N富集及其动物器官同位素数据：构建同位素有序世界的视角
errProgress in Earth and Planetary Science
IF2.8
err2025-08-01
err0
errOAAI
errEitaro Wada; Yoshihisa Kudo; Hiroshi Mizutani; Hiroshi Minami; Kenji Matsubara; Yoshihiro Yamada; Nanako O. Ogawa; Yukihiro Kohmatsu; Naoko Nishizawa; Isamu Shimizu; Reiichiro Ishii; Fujio Hyodo; Maki N. Aita; Wataru Sakamoto; Naohiko Ohkouchi
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Nitrogen and carbon isotopic relationships in the diet and eye lenses of chub mackerel revealed in a laboratory rearing experiment实验室培育实验中，鲭鱼食物和眼晶状体中的氮和碳同位素关系。
errProgress in Earth and Planetary Science
IF2.8
err2025-07-23
err0
errOAAI
errChisato Yoshikawa; Nanako O. Ogawa; Naoto F. Ishikawa; Michio Yoneda; Ryuji Yukami; Shin-ichi Ito; Naohiko Ohkouchi
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Magnesium isotopic variation in marine fish organs
errPROGRESS IN EARTH AND PLANETARY SCIENCE
IF2.8
err2025-03-06
err0
errOAAI
errYoshimura, Toshihiro; Ishikawa, Naoto F.; Ogawa, Nanako O.; Kusaka, Soichiro; Wakaki, Shigeyuki; Ishikawa, Tsuyoshi; Nagaishi, Kazuya; Kaneko, Masanori; Isaji, Yuta; Chikaraishi, Yoshito; Ohkouchi, Naohiko
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研究方向

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合作期刊
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H 指数: 99 · 论文数: 810
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H 指数: 94 · 论文数: 571
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