論文

• Brian Fry, J.F. Carter, Keita Yamada, Naohiro Yoshida, Dieter Juchelka. Position-specific 13C/12C analysis of amino acid carboxyl groups - automated flow-injection-analysis based on reaction with ninhydrin, Rapid Communications in Mass Spectrometry, Vol. 32, pp. 992-1000, Aug. 2018.
• Maxime Julien, Alexis Gilbert, Keita Yamada, Richard J. Robins, Patrick Hohener, Naohiro Yoshida, Gerald S. Remaud. Expanded uncertainty associated with determination of isotope enrichment factors: Comparison of two point calculation and Rayleigh-plot, Talanta, Jan. 2018.
• Tomohiro Kato, Keita Yamada, Yanhong Tang, Naohiro Yoshida, Eitaro Wada. Carbon isotopic signature reveals the geographical trend in methane consumption and production pathways in alpine ecosystems over the Qinghai-Tibetan Plateau, Isotopes in Environmental and Health Studies, May 2017.
• Konomi Suda, Alexis Gilbert, Keita Yamada, Naohiro Yoshida, Yuichiro Ueno. Compound-and position-specific carbon isotopic signatures of abiogenic hydrocarbons from on- land serpentinite-hosted Hakuba Happo hot spring in Japan, Geochim. Cosmochim. Acta, 206, 201-215, Jan. 2017.

国際会議発表 (査読なし・不明)

• Maxime Julien, Alexis Gilbert, Keita Yamada, Mayuko Nakagawa, Naohiro Yoshida. Deconvolution of isotopic fractionation factors associated with lipid biosynthesis, 9th International Symposium on Isotopomers (ISI2018), May 2018.
• Alexis Gilbert, Thomas Giunta, Florin Musat, Barbara Sherwood Lollar, Keita Yamada, Naohiro Yoshida, Yuichiro Ueno. Bacterial oxidation of propane in Southern Ontario revealed by position-specific isotope analyses, 9th International Symposium on Isotopomers (ISI2018), May 2018.
• Naohiro Yoshida, Keita Yamada, Richard Robins, Brian Fry. Inter-laboratory measurements of 13C values of carboxyl group in amino acids, 5th INTRA Workshop, Sept. 2017.
• Naohiro Yoshida, Sakae Toyoda, Keita Yamada. Multi-isotopic observation of N2O and CH4 in stations, including Hateruma., 49th Meeting of AGAGE Scientists and Cooperating Networks, Apr. 2014.
• Zhang Naizhong, Keita Yamada, Naohiro Yoshida. A new calibration curve for carbonate clumped isotope thermometer of land snail shells (aragonite), AGU Fall Meeting, Dec. 2013.
• Keita Yamada, Alexis Gilbert, Na Li, Takanori Okuno, Naohiro Yoshida, Ryota Hattori, Nariaki Wasano, Satoshi Hirano. Measurement method for intramolecular carbon isotopic distributions of some C2 and C3 metabolites, ISI2012, June 2012.
• Alexis Gilbert, Keita Yamada, Naohiro Yoshida. Partial intramolecular 13C isotope distribution in long-chain N-alkanes (C11-C31) determined by isotopic 13C NMR, ISI2012, June 2012.
• Nozomi Suzuki, Keisuke Koba, M Itoh, K. Osaka, Nobuhito Ohte, Yoshifumi Tobari, Keita Yamada, Naohiro Yoshida. Isotopic fractionation during methane uptake in temperate forest soil, ISI2012, June 2012.
• Chen Wu, Keita Yamada, Osamu Sumikawa, Akiko Matsunaga, Alexis Gilbert, Naohiro Yoshida. Factors controlling the carbon isotopic variation of caffeine, ISI2012, June 2012.
• Naizhong Zhang, Keita Yamada, Naohiro Yoshida. Variations of 13C16O18O and its controlling factors in the atmosphere of Yokohama, Japan based on the observation from 2007 to 2011, ISI2012, June 2012.
• Mariko Kobayashi, Shinsuke Kawagucci, Shohei Hattori, Keita Yamada, Yuichiro Ueno, Ken Takai, Naohiro Yoshida. Biochemical Cycling in Deep Subsurface Ecosystems, AGU Fall Meeting 2011, Dec. 2011.
• Naohiro Yoshida, Sakae Toyoda, Azzaya Tumendelger, Yuuri Suzuki, Keita Yamada, Shohei Hattori, Chen Wu, Hiroshi Shiom, Rina Kouno. Nitrous oxide and methane isotopomer analysis in wastewater treatment system in order to reduce their emissions without reduction of water quality, The 4th IWA-ASPIRE Conference & Exhibition, Oct. 2011.
• Na Li, Keita Yamada, Ryota Hattori, Hiroki Shibata, Alexis Gilbert, Naohiro Yoshida. Measurement of intramolecular carbon isotopic distribution of acetaldehyde emitted from plant leaves, Goldschmidt2011, Aug. 2011.
• Alexis Gilbert, Ryota Hattori, Virginie Silvestre, Na Li, Keita Yamada, Naohiro Yoshida, Gérald S. Remaud. Determination of the intramolecular 13C isotope distribution in ethanol : a comparison between IRMS and NMR, ISOTOPES 2011, June 2011.
• Mikhail Vasiliev, Keita Yamada, Naohiro Yoshida. Evaluation of clumped-isotopes of land snail’s shells as paleo-environmental indicators, European Geosciences Union General Assembly 2011, Apr. 2011.
• Zhang Naizhong, Keita Yamada, Naohiro Yoshida. Seasonal Variations of 13C16O18O in Air of Yokohama and Its Sources Study, International Symposium: Technology and Policy for Low Carbon Society, Nov. 2010.
• Na Li, Keita Yamada, Ryota Hattori, Yuki Shibada, Naohiro Yoshida. Establish a measurement for carbon isotope ratio of VOCs, International Symposium: Technology and Policy for Low Carbon Society, Nov. 2010.
• Taisuke Kondo, Keita Yamada, Itoko Nonaka, Osamu Enishi, Kouji Higuchi, Takumi Shinkai, Naohiro Yoshida. Characterization of daily variation of stable isotope ratio of methane from ruminant, Greenhouse Gases and Animal Agriculture Conference (GGAA2010), Oct. 2010.
• Wu Chen, Keita Yamada, Osamu Sumikawa, Yuichi Yamaguchi, Naohiro Yoshida. Authenticity of origins of tea leaves by stable isotopic signature: Preliminary results, ISI2010, June 2010.
• Mikhail Vasiliev, Keita Yamada, Naohiro Yoshida. Clumped isotopes analyses for temperature reconstruction of present living mollusks in coast area of Japan, ISI2010, June 2010.
• Li Na, Keita Yamada, Ryota Hattori, Norihiro Nasu, Hiroki Shibata, Naohiro Yoshida. Measurement of intramolecular carbon isotopic ratio of acetaldehyde, ISI2010, June 2010.
• Hiroaki Haraguchi, Keita Yamada, Rumiko Miyashita, Kazuhiko Aida, Hirokazu Shimizu, Masao Ohnishi Naohiro Yoshida, Naohiro Yoshida. Determination of carbon and nitrogen isotope ratios of glucosylceramide from plant and the condition for measurement of ceramide using isotope ratio mass spectrometry, ISI2010, June 2010.
• Shohei Hattori, Hiroaki Nashimoto, Hiroyuki Kimura, Keisuke Koba, Keita Yamada, Mikio Shimizu, Hiroshi Watanabe, Muneoki Yoh, Naohiro Yoshida. Hydrogen and carbon isotope fractionation by thermophilic hydrogenotrophic methanogens from a geothermal aquifer under coculture with fermenters, ISI2010, June 2010.
• Sakae Toyoda, Yuuri Suzuki, Shohei Hattori, Keita Yamada, Ayako Fujii, Naohiro Yoshida, Rina Kouno, Kouki Murayama, Hiroshi Shiomi. Isotopomer analysis of production/consumption mechanisms of nitrous oxide, ISI2010, June 2010.
• Mikhail Vasiliev, Keita Yamada, Naohiro Yoshida. CH3D/CH4 ratio measurement using an efficient and compact difference-frequency-generation spectrometer, ISI2010, June 2010.
• Ryota Hattori, Keita Yamada, Makiko Kikuchi, Satoshi Hirano, Osamu Tajima, Naohiro Yoshida. Intramolecular carbon isotope ratio of acetic acid in vinegar, ISI2010, June 2010.

国内会議発表 (査読なし・不明)

• Alexis Gilbert, Thomas Giunta, Florin Musat, Barbara Sherwood-Lollar, Keita Yamada, Naohiro Yoshida, Yuichiro Ueno. Microbial cycling of hydrocarbons revealed by new isotope tracers, 日本地球惑星連合2018, May 2018.
• Naizhong Zhang, Keita Yamada, Sakae Toyoda, Naohiro Yoshida, Shuji Aoki, Takakiyo Nakazawa, Satoshi Sugawara, Urumu Tsunogai, Daisuke Komatsu. Variations of the tropospheric and stratospheric 16O13C18O, 第17回大気化学討論会, Oct. 2011.
• 山田 啓太, 石井 雅博, 小池康晴, 佐藤誠. 画像合成のための3次元手形状推定, ヒューマンインタフェースシンポジウム’99論文集, pp. 221-226, Oct. 1999.

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