Radionuclides in Ancient Relics Obtained from the Matsusaki Site and the Hirohata Shellmound on the Pacific Coast of Japan

Autor: Yu Saito, Atsushi Ando, Eiji Nakata, Yasunori Mahara, Yoshiro Abe, Akira Tatematsu, Tomoko Ohta, Toshiyuki Fujii, Takanori Nakano, Satoshi Fukutani, Takumi Kubota

Publikováno v: Radiocarbon. 52:526-533

We compared 2 archaeological relics of different preservation environments, white substances adhering to a vessel from the Matsusaki site and to earthenware from Hirohata, by measuring their environmental radioactivity, 14C, 228Ra/226Ra, 234U/238U, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::22bc6c83119009e28294f6e8c83db49a
https://doi.org/10.1017/s0033822200045562

Contents, Vol. 69, 1995

Autor: F. J. Gainza, A.M. Pollock, Ignacio Minguela, Musa Bali, Ünal Yasavul, Takashi Harada, T. Naruse, Yoshiyuki Ozono, Naoto Kawamura, P. H. Whiting, F. Strutz, M. Buemi, Trevor H. Thomas, Kuniyoshi Kojima, Wen-Yu Chang, Sumio Takahashi, K. Kawasaki, M. K. Almond, Shinn-Cherng Chen, Koichi Yamaguchi, Kazuya Higashino, A. Maezawa, Oleg Eremin, Michel Aparicio, V.I. Kirpatovsky, Kazutaka Murakami, Turgay Arinsoy, Sukru Sindel, Tzu-Chao Hsu, R. Musolino, José Portolés, A. M. Meyers, Peter Rutherford, I. Lampreabe, J. Ortuño, Marie-Christine Delmas-Beauvieux, C. Aloisi, W. A. Wadee, Y. Fukushima, Shirou Kawashima, F. Locatelli, Hiroshi Hassegawa, J.P. van Hooff, Shraga Shany, F. Fabrizi, Masanori Hara, M.J. Raftery, Wan-Long Chuang, M.J.A.P. Daemen, P. Marai, Emeterio Pina, G. Bacchini, Zafer Akcali, G. Erba, Hung-Chun Chen, Toshiyuki Yanai, Franciszek Kokot, Cetin Turgan, P.P. De Deyn, A.M. Chumakov, Rachel Levy, Toshio Yanagihara, Ana Sánchez-Fructuoso, Michel Clerc, Sofía Zárraga, R. Wijnen, Beril Cakir, Marie-Annette Carbonneau, Örner Uluoğlu, Sigemi Tomiyama, E.A. Sevrukov, Sali Caglar, Valery Wajsbrot, S. Yano, Y. Tsukada, Liliane Dubourg, Minoru Ohara, I. A. Qureshi, N.V. Nikiforova, Yunus Erdem, Tsuneo Takada, Evelyne Peuchant, F. Tripodi, Uğur Yalcin, Valérie de Precigout, J. Przedlacki, Masahiko Shikano, Steven D. Heys, Antonio Torralbo, Kelvin K.K.L. Ho, Yuji Moriwaki, Akira Yoshizumi, Akira Tatematsu, A.F. Darenkov, Michio Suda, J.P. Kooman, J.L. Sastre, L. P. Margolius, S. Verhaart, F. Di Maria, Tadashi Yamamoto, Kenji Maeda, S. Dhillon, Midori Hasegawa, Andrzej Wiecek, Lazaro Gotloib, Hideo Yoshizumi, Wojciech Marcinkowski, I. Guarnori, Tetsuya Yamamoto, K. Huttunen, Yung-Hsiung Lai, K. Hiromura, M. Vanasse, H. Kanai, Naohito Takeda, Koichi Niimura, Juei-Hsiung Tsai, Kohei Hara, Robert Wilkinson, Toshimitsu Niwa, Chi-Yuan Yang, G. A. Müller, Hideki Katsumata, Itaru Kihara, S. Fan, Michio Itoh, J. Manelius, L. Raffaele, J.F. Navarro, P. Robitaille, F. Liaño, B. Marescau, M.J Verluyten-Goessens, Cidio Chaimovitz, K.M.L. Leunissen, Avshalom Shostak, Alberto Barrientos, Makoto Tomita, M Fernández Lucas, Yuuichi Adachi, M. Molinaro, Oktay Oymak, Takashi Miyazaki, N. T. Levy, Christian Combe, Raisa Kuschnier, Jinn-Yuh Guh, S.P. Darenkov, C. Quereda

Publikováno v: Nephron. 69:I-VIII

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af66caac04d6abcc979accbef569a86c
https://doi.org/10.1159/000188503

Differentiation of 4α- and 4β-phorbol diesters by fast atom bombardment mass spectrometry

Autor: Akira Tatematsu, Hajime Ohigashi, Makoto Suzuki, Naohito Takeda, Koichi Koshimizu

Publikováno v: Biological Mass Spectrometry. 22:251-257

Fast atom bombardment (FAB) mass spectra of a series of stereoisomeric pairs of 4α- and 4β-phorbol diesters were determined in order to evaluate the possibility of differentiation between both isomers. A key feature in differentiating 4α- isomers

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b5e18da611104a13b33ff56341eebbd
https://doi.org/10.1002/bms.1200220407

Protonation susceptibility and fragmentation capability of functional groups in chemical ionization mass spectrometry of simple bifunctional compounds. Semi-quantitative interpretation of spectra

Autor: Akira Tatematsu, Hideyuki Konishi, Kenji Kadoguchi, Naohito Takeda, Hisao Nakata

Publikováno v: Organic Mass Spectrometry. 28:67-70

Positive-ion, methane-mediated chemical ionization mass spectra were measured for simple bifunctional aromatic compounds of the type m-XCH 2 C 6 H 4 CH 2 Y, where X = NH 2 and N(CH 3 ) 2 , and Y = OH and OCH 3 . Essen tially only three peaks of ions,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fbde23f69d702d1cb41da98dff3ca52
https://doi.org/10.1002/oms.1210280203

Possible anti-tumour promoters: BI- and tetraflavonoids from Lophira alata

Autor: N. Takeda, Hajime Ohigashi, Koichi Koshimizu, Akira Murakami, Shigeo Tanaka, Mitsuru Hirota, Ryozo Irie, Akira Tatematsu

Publikováno v: Phytochemistry. 31:2689-2693

Three possible flavonoid-type anti-tumour promoters were isolated from the bark of Lophira alata using an in vitro short-term assay, Epstein-Barr virus (EBV) early antigen (EA) induction test. One of the flavonoids was identified as lophirone F. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f7c534e9ebf3deb26c4461452c98230
https://doi.org/10.1016/0031-9422(92)83612-3