 |
 |
 in press |
| Kurosawa, K., Sugita, S., Ishibashi, K., Hasegawa, S., Sekine, Y., Ogawa, N.O., Kadono, T., Ohno, S., Ohkouchi, N., Nagaoka, Y., Matsui, T. (2013) Hydrogen
cyanide production due to mid-size impacts in a redox-neutral N_2 -rich
atmosphere. Origins of Life and Evolution of Biospheres, in press. |
2013年
|
| Wada, E., Ishii, R., Aita, M.N., Ogawa, N.O., Kohzu, A., Hyodo, F., and Yamada, Y. (2013) Possible ideas on carbon
and nitrogen trophic fractionation of food chains: a new aspect of food-chain
stable isotope analysis in Lake Biwa, Lake Baikal, and the Mongolian grasslands.
Ecological Research, DOI: 10.1007/s11284-012-1024-7. Journal's web site |
| 2012年 |
Miller, M.J., Chikaraishi, Y., Ogawa, N.O., Yamada, Y., Tsukamoto, K., and Ohkouchi, N. (2012) A low trophic position
of Japanese eel larvae indicates feeding on marine snow. DOI:10.1098/rsbl.2012.0826.
Journal's web site
|
Ogawa, N.O., Chikaraishi, Y., and Ohkouchi, N. (2012) Trophic position
estimates of formalin-fixed samples with nitrogen isotopic compositions of amino
acids: an application to gobiid fish (Isaza) in Lake Biwa, Japan. Ecological
Research, DOI:10.1007/s11284-012-0967-z. Journal's web site
|
| Sakuma, H., Tada, R., Ikeda, M., Kashiyama, Y., Ohkouchi, N., Ogawa, N.O., Watanabe, S., Tajika, E., Yamamoto, S. (2012) High-resolution lithostratigraphy
and organic carbon isotope stratigraphy of the Lower Triassic pelagic sequence
in central Japan. Island Arc, 21, 79-100. Journals web site |
Takano, Y., Tyler, J.J., Kojima, H., Yokoyama, Y., Tanabe, Y., Sato, T.,
Ogawa, N.O., Ohkouchi, N., and Fukui, M. (2012) Holocene lake development
and glacial-isostatic uplift at Lake Skallen and Lake Oyako, Lutzow-Holm Bay,
East Antarctica: based on biogeochemical facies and molecular signatures.
Applied Geochemistry, 27(12), 2546-2559. DOI:
10.1016/j.apgeochem.2012.08.009. Journal's
web site
|
| 2011年 |
Aita, M.N., Tadokoro, K., Ogawa, N.O., Hyodo, F., Ishii, R., Smith, S.
L., Saino, T., Kishi, M. J., Saitoh, S.-I. and Wada, E. (2011) Linear
relationship between carbon and nitrogen isotope ratios along simple food chains
in marine environments. Journal of Plankton Researchs, 33(11),
1629-1642, DOI:10.1093/plankt/fbr070. Journal's web site
|
Chikaraishi, Y., Ogawa, N.O., Doi, H., and Ohkouchi, N. (2011)
15N/14N ratios of amino acids as a tool for studying
terrestrial food webs: a case study of the terrestrial insects (bees, wasps, and
hornets). Ecological Research, 26(4), 835-844,
DOI:10.1007/s11284-011-0844-1. Journal's web site
|
Enge, A.J., Nomaki, H., Ogawa, N.O., Witte, U., Moeseneder, M.M., Lavik,
G., Ohkouchi, N., Kitazato, H., Kučera, M., and Heinz, P. (2011) Response of the
benthic foraminiferal community to a simulated short-term phytodetritus pulse in
the abyssal North Pacific. Marine Ecology Progress Series, 438,
129-142. Journal's web site
|
Kuroda, J., Tanimizu, M., Hori, R.S., Suzuki, K., Ogawa, N.O., Tejada,
M.L.G., Coffin, M.F., Coccioni, R., Erba, E., and Ohkouchi, N. (2011) Lead
isotopic record of Barremian-Aptian marine sediments: Implications for large
igneous provinces and the Aptian climatic crisis. LIP of the Month, Earth and
Planetary Science Letters, 307(1-2), 126-134,
DOI:10.1016/j.epsl.2011.04.021. Journal's web site
|
Nomaki, H., Ogawa, N.O., Takano, Y., Suga, H., Ohkouchi, N., and
Kitazato, H. (2011) Differing utilization of glucose and algal particulate
organic matter by deep-sea benthic ecosystems of Sagami Bay, Japan. Marine
Ecology Progress Series, 431, 11-24. Journal's web site
|
| Sekine, Y., Suzuki, K., Senda, R., Goto, K.T., Tajika, E., Tada, R., Goto, K.,
Yamamoto, S., Ohkouchi, N., Ogawa, N.O., and Maruoka, T. (2011) Osmium
evidence for synchronicity between a rise in atmospheric oxygen and
Palaeoproterozoic deglaciation. Nature Communications, 2(502),
DOI:10.1038/ncomms1507. Journal's web site |
Tayasu, I., Hirasawa, R., Ogawa, N.O., Ohkouchi, N., and Yamada, K.
(2011) New organic reference materials for carbon- and nitrogen-stable isotope
ratio measurements provided by Center for Ecological Research, Kyoto University,
and Institute of Biogeosciences, Japan Agency for Marine-Earth Science and
Technology. Limnology, 12(3), 261-266, DOIi:10.1007/s10201-011-0345-5. Journal's web site
|
Toyoda, S., Yano, M., Nishimura, S., Akiyama, H., Hayakawa, A., Koba, K., Sudo,
S., Yagi, K., Makabe, A., Tobari, Y., Ogawa, N.O., Ohkouchi, N., Yamada,
K., and Yoshida, N. (2011) Characterization and production and consumption
processes of N2O emitted from temperate agricultural soils determined
via isotopomer ratio analysis. Global Biogeochemical Cycles, 25,
GB2008, DOI:10.1029/2009GB003769. Journal's web site
|
Yamazaki, A., Watanabe, T., Ogawa, N.O., Ohkouchi, N., Shirai, K.,
Toratani, M., and Uematsu, M. (2011) Seasonal variations in the nitrogen isotope
composition of Okinotori coral in the tropical western Pacific: A new proxy for
marine nitrate dynamics. Journal of Geophysical Research -
Biogeosciences, 116, DOI:10.1029/2011JG001697. Journal's web site
|
力石 嘉人, 高野 淑識, 小川 奈々子, 佐々木 瑶子, 土屋 正史, 大河内 直彦 (2011)
アミノ酸の窒素同位体比を用いた生物の栄養段階の解析： 陸上環境を含めた生物生態系の解明に向けて. Researches in Organic
Geochemistry, 27, 3-11. Journal's web
site
|
| 2010年 |
Chikaraishi, Y., Ogawa, N.O., and Ohkouchi, N. (2010) Further evaluation
of trophic level estimation based on nitrogen isotopic composition of amino
acids. in Earth, Life, and Isotopes (Eds. N. Ohkouchi, I. Tayasu, and K.
Koba), Kyoto University Press, p. 37-51.
|
| Chikaraishi, Y., Takano, Y., Ogawa, N.O., and Ohkouchi, N. (2010)
Instrument optimization for compound-specific nitrogen isotope analysis of amino
acids by gas chmatography/combustion/isotope ratio mass spectrometry. in Earth,
Life, and Isotopes (Eds. N. Ohkouchi, I. Tayasu, and K. Koba), Kyoto University
Press, p. 367-386. |
Kashiyama, Y., Ogawa, N.O., Chikaraishi, Y., Kashiyama, N., Sakai, S.,
Tanabe, K., and Ohkouchi, N. (2010) Reconstructing the life history of modern
and fossil nautiloids based on the nitrogen isotopic composition of shell
organic matter and amino acids. Cephalopods - Present and Past, Tokai
University Press, Tokyo, p.67-75. Journal web site
|
Kashiyama, Y., Ogawa, N.O., Kitazato, H., and Ohkouchi, N. (2010)
Nitrogen and carbon isotopic compositions of copper, nickel, and vanadyl
porphyrins in Cretaceous OAE black shales. in Earth, Life, and Isotopes
(Eds. N. Ohkouchi, I. Tayasu, and K. Koba), Kyoto University Press, p.
313-335.
|
Kusch, S., Kashiyama, Y., Ogawa, N.O., Altabet, M., Butzin, M.,
Friedrich, J., Ohkouchi, N., and Mollenhauer, G. (2010) Implications for chloro-
and pheopigment synthesis and preservation from combined compound-specific
δ13C, δ15N, and Δ14C analysis.
Biogeosciences, 7, 4105-4118. Journal's web site
|
Nomaki, H., Ogawa, N.O., Ohkouchi, N., Toyofuku, T., and Kitazato, H.
(2010) The role of meiofauna in deep-sea benthic food-webs revealed by carbon
and nitrogen isotope analyses. in Earth, Life, and Isotopes (Eds. N.
Ohkouchi, I. Tayasu, and K. Koba), Kyoto University Press, p. 119-138. Journal's web
site
|
Ogawa, N.O., Nagata, T., Kitazato, H., and Ohkouchi, N. (2010) Ultra
sensitive elemental analyzer/isotope ratio mass spectrometer for stable nitrogen
and carbon isotopic analyses. in Earth, Life, and Isotopes (Eds. N.
Ohkouchi, I. Tayasu, and K. Koba), Kyoto University Press, p. 339-353.
|
Ogawa, N. O., Wada, E., Smirnova-Zalumi, N. S., Melnik, N. G.,
Bondarenko, N. A., Shimaraev, M. N., Smirnov, V. V., and Yoshioka, T. (2010)
Fish scales as a record of atmospheric change. Earth, Life, and Isotopes (Eds.
N. Ohkouchi, I. Tayasu, and K. Koba), Kyoto University Press, p.263-270.
|
| Ohkouchi, N., Chikaraishi, Y., Kashiyama, Y., and Ogawa, N.O. (2010)
Isotopomers of chlorophyll nuclei: Theories and an application. in Earth,
Life, and Isotopes (Eds. N. Ohkouchi, I. Tayasu, and K. Koba), Kyoto
University Press, p. 271-290. |
Sekine, Y., Tajika, E., Ohkouchi, N., Ogawa, N.O., Goto, K., Tada, R.,
Yamamoto, S., and Kirschvink, J. L. (2010) Anomalous negative excursion of
carbon isotope in organic carbon after the last Paleoproterozoic glaciations in
North America. Geochemistry Geophysics Geosystems, 11, Q08019,
DOI:10.1029/2010GC003210. Journal's web site
|
Takano, Y., Chikaraishi, Y., Ogawa, N.O., Nomaki, H., Morono, Y.,
Inagaki, F., Kitazato, H., Hinrichs, K..-U., and Ohkouchi, N. (2010) Sedimentary
membrane lipids recycled by deep-sea benthic archaea. Nature Geosciences,
3, 858-861. DOI:10.1038/ngeo983. Journal's web site & Supplementary
Information
|
Takano, Y., Kashiyama, Y., Ogawa, N.O., Chikaraishi, Y., and Ohkouchi, N.
(2010) Isolation and desaltation with caton-exchange chromatography for
compound-specific nitrogen isotope analysis of amino acids: application to
biogeochemical samples. Rapid Communications in Mass Spectrometry,
24, 2317-2323. Journal's web site
|
Takano, Y., Yokoyama, Y., Tyler, J.J., Kojima, H., Fukui, M., Sato, T.,
Ogawa, N.O., Suzuki, N., Kitazato, H., Ohkouchi, N. (2010) Crustal
uplifting rate associated with late-Holocene glacial-isostatic rebound at
Skallen and Skarvsnes, Lutzow-Holm Bay, East Antarctica: evidence of a synchrony
in sedimentary and biological facies on geological setting. Biogeosciences
Discuss, 7, 4341-4384, doi:10.5194/bgd-7-4341-2010. Journal's web site
|
Tyler, J., Kashiyama, Y., Ohkouchi, N., Ogawa, N.O., Yokoyama, Y.,
Chikaraishi, Y., Staff, R. A., Ikehara, Bronk Ramsey, C., Bryant, C., Brock, F.,
Gotanda, K., Haraguchi, T., Yonenobu, H., and Nakagawa, T. (2010) Tracking
aquatic change using chlorin-specific carbon and nitrogen isotopes: The last
glacial-interglacial transition at Lake Suigetsu, Japan. Geochemistry
Geophysics Geosystems, 11, Q09010, DOI:10.1029/2010GC003186. Journal's web site
|
Yamaguchi, K., Oguri, K., Ogawa, N.O., Sakai, S., Hirano, S., Kitazato,
H., and Ohkouchi, N. (2010) Geochemistry of modern carbonaceous sediments
overlain by a water mass showing photic zone anoxia in the saline meromictic
Lake Kai-ike, southwest Japan: I. Early diagenesis of organic carbon, nitrogen,
and phosphorus. Palaeogeography, Palaeoclimatology, Palaeoecology,
294, 72-82. Journal's web site
|
力石嘉人, 小川奈々子, 高野淑識, 土屋正史, 大河内直彦 (2010) アミノ酸の窒素同位体比を用いた水棲生物の栄養段階の解析.
地球化学, 44, 233-241.
|
| 2009年 |
Chikaraishi, Y., Ogawa, N.O., Kashiyama, Y., Takano, Y., Suga, H.,
Tomitani, A., Miyashita, H., Kitazato, H., and Ohkouchi, N. (2009) Determination
of aquatic food-web structure based on compound-specific nitrogen isotopic
composition of amino acids. Limnology and Oceanography: Methods,
7, 740-750. Journal web site
|
| Nishikawa, J., Kohzu, A., Boontanon, N., Iwata, T., Tanaka, T., Ogawa,
N.O., Ishii, R., and Wada, E. (2009) Isotopic composition of nitrogenous
compounds with emphasis on anthropogenic loading in river ecosystem. Isotopes
in Environmental and Health Studies, 45(1), 27-40,
DOI:10.1080/10256010802522127. Journal web site |
Nomaki, H., Ohkouchi, N., Heinz, P., Suga, H., Chikaraishi, Y., Ogawa,
N.O., Matsumoto, K., and Kitazato, H. (2009) Degradation of algal lipids by
deep-sea benthic foraminifera: An in situ tracer experiment. Deep-Sea
Research I, 56, 1488-1503. Journal web
site
|
Ruttenberg, K. C., Ogawa, N.O., Tamburini, F, Briggs, R. A., Colasacco,
N. D, Joyce, E. (2009) Improved, high-throughput approach for phosphorus
speciation in natural sediments via the SEDEX sequential extraction method.
Limnology and Oceanography: Methods 7, 319-333. Journal web
site
|
Takano, Y., Chikaraishi, Y., Ogawa, N.O., Kitazato, H., and Ohkouchi, N.
(2009) Compound-specific nitrogen isotope analysis of D-alanine, L-alanine, and
valine: Application of diastereomer separation to δ15N and microbial
peptidoglycan studies. Analytical Chemistry, 81, 394-399. Journal web
site
|
| 2008年 |
Chikaraishi, Y., Kashiyama, Y., Ogawa, N.O., Kitazato, H., Satoh, M.,
Nomoto, S., and Ohkouchi, N. (2008) A compound-specific isotope method for
measuring the stable nitrogen isotopic composition of tetrapyrroles. Organic
Geochemistry, 39, 510-520. Journal
web site
|
Kashiyama, Y., Miyashita, H., Ogawa, N.O., Chikaraishi, Y., Takano, Y.,
Suga, H., Toyofuku, T., Nomaki, H., Kitazato, H., Nagata, T., and Ohkouchi, N.
(2008) Evidence of global chlorophyll d. Science, 321, 658. Journal web site
|
Kashiyama, Y., Ogawa, N.O., Kuroda, J., Shiro, M., Nomoto, S., Tada, R.,
Kitazato, H., and Ohkouchi, N. (2008) Diazotrophic cyanobacteria as the major
photoautotrophs during mid-Cretaceous Oceanic Anoxic Events: nitrogen and carbon
isotopic evidence from sedimentary porphyrin. Organic Geochemistry,
39, 532-549. Journal web site
|
Kashiyama, Y., Ogawa, N.O., Shiro, M., Tada, R., Kitazato, H., and
Ohkouchi, N. (2008) Reconstruction of the biogeochemistry and ecology of
photoautotrophs based on the nitrogen and carbon isotopic compositions of
vanadyl porphyrins from Miocene siliceous sediments. Biogeosciences,
5, 797-816. Journal web site
|
Nomaki, H., Ogawa, N.O., Ohkouchi, N., Suga, H., Toyofuku, T., Shimanaga,
M., Nakatsuka, T., and Kitazato, H. (2008) Benthic foraminifera as trophic links
between phytodetritus and benthic metazoans: carbon and nitrogen isotopic
evidence. Marine Ecology Progress Series, 357, 153-164. Journal web site
|
Ohkouchi, N., Nakajima, Y., Okada, H., Ogawa, N.O., Chikaraishi, Y.,
Suga, H., Sakai, S., and Kitazato, H. (2008) Carbon isotopic composition of
tetrapyrrole nucleus in chloropigments from a saline meromictic lake: A
mechanistic view for interpreting the isotopic signature of alkyl porphyrins in
geological samples. Organic Geochemistry, 39, 521-531. Journal
web site
|
Suzuki, Y., Chikaraishi, Y., Ogawa, N.O., Ohkouchi, N., and Korenaga, T.
(2008) Geographical origin of polished rice based on stable isotope analyses.
Food Chemistry, 109, 470-475. Journal
web site
|
| 2007年 |
Chikaraishi, Y., Kashiyama, Y., Ogawa, N.O., Kitazato, H., and Ohkouchi,
N. (2007) Metabolic control of nitrogen isotopic composition of amino acids in
macroalgae and gastropods: implications for aquatic food web studies. Marine
Ecology Progress Series, 342, 85-90. Journal
web site
|
Kuroda, J., Ogawa, N.O., Tanimizu, M., Coffin, M. F., Tokuyama, H.,
Kitazato, H., and Ohkouchi, N. (2007) Contemporaneous massive subaerial
volcanism and late Cretaceous Oceanic Anoxic Event 2. Earth and Planetary
Science Letters, 256, 211-223. Journal web
site
|
| 2006年 |
Nomaki, H., Heinz, P., Nakatsuka, T., Shimanaga, M., Ohkouchi, N., Ogawa,
N.O., Kogure, K., Ikemoto, E., and Kitazato, H. (2006) Different ingestion
patterns of 13C-labeled bacteria and algae by deep-sea benthic
foraminifera. Marine Ecology Progress Series, 310, 95-108. Journal
web site
|
Ohkouchi, N., Kashiyama, Y., Kuroda, J., Ogawa, N.O., and Kitazato, H.
(2006) The importance of diazotrophic cyanobacteria as primary producers during
Cretaceous Oceanic Anoxic Event 2. Biogeosciences, 3, 467-478. Journal web site
|
Yokoyama, Y., Naruse, T., Ogawa, N.O., Tada, R., Kitazato, H., and
Ohkouchi, N. (2006) Dust influx reconstruction during the last 26,000 years
inferred from a sedimentary leaf wax record from Japan Sea. Global Planetary
Change, 54, 239-250. Journal
web site
|
| 2005年 |
Chikaraishi, Y., Matsumoto, K., Ogawa, N.O., Suga, H., Kitazato, H., and
Ohkouchi, N. (2005) Hydrogen, carbon and nitrogen isotopic fractionations during
chlorophyll biosynthesis in C3 higher plants. Phytochemistry, 66,
911-920. Journal web site
|
Ohkouchi, N., Nakajima, Y., Okada, H., Ogawa, N.O., Suga, H., Oguri, K.,
and Kitazato, H. (2005) Biogeochemical processes in a meromictic Lake Kaiike:
Implications from carbon and nitrogen isotopic compositions of photosynthetic
pigments. Environmental Microbiology, 7, 1009-1016. Journal
web site
|
| 2004年 |
Nakajima, Y., Shimizu, H., Ogawa, N.O., Sakamoto, T., Okada, H.,
Kitazato, H., and Ohkouchi, N. (2004) Vertical distributions of stable isotopic
compositions and bacteriochlorophyll homologues in suspended particulate matter
in saline meromictic Lake Abashiri. Limnology, 5, 185-189. Journal web
site
|
| 2001年 |
Ogawa, N.O., Koitabashi, T., Oda, H., Nakamura, T., Ohkouchi, N., and
Wada, E. (2001) Fluctuations of nitrogen isotope ratio of gobiid fish specimens
and sediments in Lake Biwa during the 20th century. Limnology and
Oceanography, 46, 1228-1236. Journal
web site
|
| 2000年 |
Ogawa, N.O., K. Yoshii, N.G. Melnik, N.A. Bondarenko, O.A. Timoshkin,
N.S. Smirnova-Zalumi, V.V. Smirnov, and E. Wada. (2000) Carbon and nitrogen
isotope studies of the pelagic ecosystem and environmental fluctuations of Lake
Baikal. In: Lake Baikal. A Mirror in Time and Space for Understanding Global
Change Processes. (Ed. K. Minoura). p.262-272. Elsevier Science. Journal web site
|
| 1997年 |
Ogawa, N.O., and N. Ogura (1997) Dynamics of particulate organic matter
in the Tamagawa Estuary and Inner Tokyo Bay. Estuarine, Coastal and Shelf
Science. 44, 263-273. Journal web
site
|
|
 |
大河内直彦, 力石嘉人, 小川奈々子 (2012) アミノ酸の窒素安定同位体組成から読み解く生き物の食性. 化学と生物, 50, 430-434.
|
小川奈々子, 力石嘉人, 大河内直彦 (2009) アミノ酸の天然レベル窒素安定同位体組成を用いた食物解析. 臨床化学,
38(3), 266-271. Journal web site
|
力石嘉人, 小川奈々子, 柏山祐一郎, 大河内直彦 (2007) 生態学指標としての安定同位体：アミノ酸の窒素同位体分析による新展開.
Radioisotopes, 56, 463-477. Journal web site
|
Ogawa, N. O., Sato, R., and Ohkouchi, N. (2006) Evaluation of precision
and accuracy for carbon isotopic measurements of 13C-labeled samples
by an on line elemental analyzer / isotope ratio mass spectrometer system.
Frontier Research on Earth Evolution, 2. Journal web site
|
Ohkouchi, N., Nakajima, Y., Ogawa, N. O., Suga, H., Kashiyama, Y.,
Matsumoto, K., Chikaraishi, Y., Oguri, K., and Kitazato, H. (2006) Stable carbon
and nitrogen isotopic compositions of photosynthetic pigments as tracers for
elemental cycle in the modern- and paleo-environments. Frontier Research on
Earth Evolution, 2. Journal web site
|
Ohkouchi, N., Yanagisawa, T., Kuroda, J., Yamagishi, Y., Hamano, Y., Tanimizu,
M., Ogawa, N. O., Suganuma, Y., and Yoshihara, A. (2006) A status report
of MUD “Global Event” group: A dynamic interaction between Earth’s interior and
surface environments in the mid Cretaceous. Frontier Research on Earth
Evolution, 2. Journal web site
|
和田英太郎, 小川奈々子, 宮坂仁 (2002) バイカル湖･安定同位体比から見た自然の実験室. 地球環境, 7,
77-85. Journal web site
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小川奈々子, 木庭啓介, 高津文人, 和田英太郎 (1997) 自然生態系における炭素・窒素安定同位体存在比.
Radioisotopes, 46, 632-644
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大河内直彦, 力石嘉人, 小川奈々子 (2010) 生き物同士のつながりを診る―アミノ酸の窒素同位体比を用いて. 地球研叢書
「安定同位体というメガネ：人と環境のつながりを診る」 和田英太郎・神松幸弘 編, 昭和堂, p. 15-35. Journal's web
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小川奈々子, 大河内直彦 (2008) 湖沼の富栄養化の史的復元 -長期保存生物標本の利用-. 「流域環境評価と安定同位体」 永田俊・宮島利宏
編, 京都大学出版会, p. 83-92. Journal's web site
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Wada, E., I. Tayasu, K. Koba, T. Matsubara, N.O. Ogawa., Y. Yamada, K.
Yoshii and A. Sugimoto (1998) The use of stable isotopes for ecological studies.
407-430. In: Gopal, B., Pathak, P.S. and Saxena , K.G. [Eds.]. Ecology
today: An anthology of contemporary ecological research. International
Scientific Publishers. New Delhi.
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| Yoshii, K., Ogawa, N.O., Wada, E., Mekhanikova, I., Melnik, N.G.,
Timoshkin, O.A., Shubenkov, S.G., Smirnov, V.V. and Smirnova-Zalumi, N.S. (1997)
15N and 13C abundances in Lake Baikal: Difference between the littoral and
pelagic food webs. In: N. Miyazaki. [Ed.]. Animal community, environment and
phylogeny in Lake Baikal. pp107-113. Otsuchi Marine Research Center, Ocean
Research Institute, The University of Tokyo. |
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超微量試料における有機炭素・窒素安定同位体比測定のための試料前処理システムの改良および開発 (出願中)
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