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1

Internal variations in nutrient concentrations and the C and N stable isotope ratios in leaves of the seagrass Enhalus acoroides

Masumi Yamamuro, Yu Umezawa, Isao Koike

Journal:

Year:

2004

Language:

english

File:

PDF, 143 KB

english, 2004

2

Superconductivity in polycrystalline diamond thin films

Takano, Yoshihiko, Nagao, Masanori, Takenouchi, Tomohiro, Umezawa, Hitoshi, Sakaguchi, Isao, Tachiki, Masashi, Kawarada, Hiroshi

Journal:

Diamond and Related Materials

Year:

2005

Language:

english

File:

PDF, 317 KB

english, 2005

3

EGFR genetic heterogeneity of nonsmall cell lung cancers contributing to acquired gefitinib resistance

Shi-Xu Jiang, Kazuya Yamashita, Michiko Yamamoto, Chun-Ji Piao, Atsuko Umezawa, Makoto Saegusa, Tsutomu Yoshida, Masato Katagiri, Noriyuki Masuda, Kazushige Hayakawa, Isao Okayasu

Journal:

International Journal of Cancer

Year:

2008

Language:

english

File:

PDF, 308 KB

english, 2008

4

Valence levels of Ru(II) and Os(II) complexes studied by voltammetry and X-ray photoelectron spectroscopy

Takeko Matsumura-Inoue, Isao Ikemoto, Yoshio Umezawa

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1986

Language:

english

File:

PDF, 831 KB

english, 1986

5

Structure-based design of derivatives of tyropeptin A as the potent and selective inhibitors of mammalian 20S proteasome

Isao Momose, Yoji Umezawa, Sehei Hirosawa, Hironobu Iinuma, Daishiro Ikeda

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2005

Language:

english

File:

PDF, 281 KB

english, 2005

6

Synthesis of boronic acid derivatives of tyropeptin: Proteasome inhibitors

Takumi Watanabe, Isao Momose, Masatoshi Abe, Hikaru Abe, Ryuichi Sawa, Yoji Umezawa, Daishiro Ikeda, Yoshikazu Takahashi, Yuzuru Akamatsu

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2009

Language:

english

File:

PDF, 362 KB

english, 2009

7

Valence levels of Ru(II) complexes studied by cyclic voltammetry and X-ray photoelectron spectroscopy

Takeko Matsumura-Inoue, Isao Ikemoto, Yoshio Umezawa

Journal:

Journal of Electroanalytical Chemistry and Interfacial Electrochemistry

Year:

1979

Language:

english

File:

PDF, 161 KB

english, 1979

8

Total synthesis of (−)-oudemansin X based on enzymatic resolution using immobilized lipase

Hiroyuki Akita, Isao Umezawa, Masako Nozawa, Shinji Nagumo

Journal:

Tetrahedron: Asymmetry

Year:

1993

Language:

english

File:

PDF, 234 KB

english, 1993

9

Stable nitrogen isotope composition in sedimentary organic matter as a potential proxy of nitrogen sources for primary producers at a fringing coral reef

Yu Umezawa, Toshihiro Miyajima, Isao Koike

Journal:

Journal of Oceanography

Year:

2008

Language:

english

File:

PDF, 253 KB

english, 2008

10

VARIATION IN INTERNAL δ15N AND δ13C DISTRIBUTIONS AND THEIR BULK VALUES IN THE BROWN MACROALGA PADINA AUSTRALIS GROWING IN SUBTROPICAL OLIGOTROPHIC WATERS

Yu Umezawa, Toshihiro Miyajima, Yasuaki Tanaka, Isao Koike, Takeshi Hayashibara

Journal:

Journal of Phycology

Year:

2007

Language:

english

File:

PDF, 578 KB

english, 2007

11

hASH1 expression is closely correlated with endocrine phenotype and differentiation extent in pulmonary neuroendocrine tumors

Jiang, Shi-Xu, Kameya, Toru, Asamura, Hisao, Umezawa, Atsuko, Sato, Yuichi, Shinada, Jun, Kawakubo, Yasuaki, Igarashi, Toru, Nagai, Kanji, Okayasu, Isao

Journal:

Modern Pathology

Year:

2003

Language:

english

File:

PDF, 374 KB

english, 2003

12

Temporal variability of stable carbon and nitrogen isotopic composition of size-fractionated particulate organic matter in the hypertrophic Sumida River Estuary of Tokyo Bay, Japan

Taeko Sato, Toshihiro Miyajima, Hiroshi Ogawa, Yu Umezawa, Isao Koike

Journal:

Estuarine, Coastal and Shelf Science

Year:

2006

Language:

english

File:

PDF, 639 KB

english, 2006

13

Net release of dissolved organic matter by the scleractinian coral Acropora pulchra

Yasuaki Tanaka, Toshihiro Miyajima, Yu Umezawa, Takeshi Hayashibara, Hiroshi Ogawa, Isao Koike

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

2009

Language:

english

File:

PDF, 248 KB

english, 2009

14

Specific growth rate as a determinant of the carbon isotope composition of the temperate seagrass Zostera marina

Yoshiyuki Tanaka, Toshihiro Miyajima, Katsumasa Yamada, Masakazu Hori, Natsuki Hasegawa, Yu Umezawa, Isao Koike

Journal:

Year:

2008

Language:

english

File:

PDF, 252 KB

english, 2008

15

Membranous osteogenesis system modeled with KUSA-A1 mature osteoblasts

Satoshi Matsumoto, Isao Shibuya, Satoshi Kusakari, Kaoru Segawa, Taro Uyama, Akinori Shimada, Akihiro Umezawa

Journal:

Biochimica et Biophysica Acta (BBA) - General Subjects

Year:

2005

Language:

english

File:

PDF, 416 KB

english, 2005

16

Physical and topographic factors affecting suspended particulate matter composition in a shallow tropical estuary

Yu Umezawa, Teruhisa Komatsu, Masumi Yamamuro, Isao Koike

Journal:

Marine Environmental Research

Year:

2009

Language:

english

File:

PDF, 1.12 MB

english, 2009

17

The first total synthesis of deoxybouvardin and RA-VII, novel antitumor cyclic hexapeptides

Inaba, Takashi, Umezawa, Isao, Yuasa, Masayuki, Inoue, Tsutomu, Mihashi, Susumu, Itokawa, Hideji, Ogura, Katsuyuki

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 275 KB

english, 1987

18

Superconductivity in diamond thin films well above liquid helium temperature

Takano, Yoshihiko, Nagao, Masanori, Sakaguchi, Isao, Tachiki, Minoru, Hatano, Takeshi, Kobayashi, Kensaku, Umezawa, Hitoshi, Kawarada, Hiroshi

Journal:

Applied Physics Letters

Year:

2004

Language:

english

File:

PDF, 322 KB

english, 2004

19

Fine-Scale Mapping of Land-Derived Nitrogen in Coral Reefs by δ15N in Macroalgae

Yu Umezawa, Toshihiro Miyajima, Masumi Yamamuro, Hajime Kayanne and Isao Koike

Journal:

Limnology and Oceanography

Year:

2002

Language:

english

File:

PDF, 855 KB

english, 2002

20

Cycling of Phosphorus Maintains the Production of Microphytobenthic Communities in Carbonate Sediments of a Coral Reef

Masahiro Suzumura, Toshihiro Miyajima, Hiroshi Hata, Yu Umezawa, Hajime Kayanne and Isao Koike

Journal:

Limnology and Oceanography

Year:

2002

Language:

english

File:

PDF, 507 KB

english, 2002

21

Design of recoverable catalysts for a multistage of coal liquefaction process

Mochida, Isao, Sakanishi, Kinya, Sakata, Ryuji, Honda, Katsuyuki, Umezawa, Tatsuya

Journal:

Year:

1994

Language:

english

File:

PDF, 2.71 MB

english, 1994

22

Synthesis and Activity of Tyropeptin A Derivatives as Potent and Selective Inhibitors of Mammalian 20S Proteasome

MOMOSE, Isao, UMEZAWA, Yoji, HIROSAWA, Sehei, IIJIMA, Masatomi, IINUMA, Hironobu, IKEDA, Daishiro

Journal:

Bioscience Biotechnology and Biochemistry

Year:

2005

Language:

english

File:

PDF, 172 KB

english, 2005

23

Lipase Catalyzed Resolution of (±)-2-Substituted 1-Propanol Derivatives Possessing an Aromatic Ring

Akita, Hiroyuki, Nozawa, Masako, Umezawa, Isao, Nagumo, Shinji

Journal:

Biocatalysis and Biotransformation

Year:

1994

Language:

english

File:

PDF, 642 KB

english, 1994

24

Cycling of phosphorus maintains the production of microphytobenthic communities in carbonate sediments of a coral reef

Suzumura, Masahiro, Miyajima, Toshihiro, Hata, Hiroshi, Umezawa, Yu, Kayanne, Hajime, Koike, Isao

Journal:

Limnology and Oceanography

Year:

2002

Language:

english

File:

PDF, 238 KB

english, 2002

25

Fine-scale mapping of land-derived nitrogen in coral reefs by δ 15 N in macroalgae

Umezawa, Yu, Miyajima, Toshihiro, Yamamuro, Masumi, Kayanne, Hajime, Koike, Isao

Journal:

Limnology and Oceanography

Year:

2002

Language:

english

File:

PDF, 748 KB

english, 2002

26

Gastric Large Cell Neuroendocrine Carcinomas: A Distinct Clinicopathologic Entity

Jiang, Shi-Xu, Mikami, Tetuo, Umezawa, Atsuko, Saegusa, Makoto, Kameya, Toru, Okayasu, Isao

Journal:

American Journal of Surgical Pathology

Year:

2006

Language:

english

File:

PDF, 720 KB

english, 2006

27

The Synthesis and Studies of Several [2.2.2]Ferrocenophane Derivatives

Kasahara, Akira, Izumi, Taeko, Shimizu, Iwao, Oikawa, Tadashi, Umezawa, Hiroshi, Hoshino, Isao

Journal:

Bulletin of the Chemical Society of Japan

Year:

1983

File:

PDF, 1016 KB

1983

28

An Anti-inflammatory Proteinase, Kinonase BI obtained from Streptomyces kinoluteus

NAKAMURA, SHOSHIRO, MARUMOTO, YASUKO, MIYATA, HIROO, TSUKADA, ISAO, TANAKA, NOBUO, ISHIZUKA, MASAAKI, UMEZAWA, HAMAO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1969

File:

PDF, 601 KB

1969

29

A facile chemoenzymatic route to enantiomerically pure 4,5-disubstituted-2-hexenoate derivatives.

AKITA, Hiroyuki, UMEZAWA, Isao, TAKANO, Michika, MATSUKURA, Hiroko, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1991

File:

PDF, 401 KB

1991

30

A lipid-lipase aggregate as a new type of immobilized enzyme.

AKITA, Hiroyuki, UMEZAWA, Isao, MATSUKURA, Hiroko, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1991

File:

PDF, 349 KB

1991

31

A Facile Chemoenzymatic Route to Optically Active 4,5-Disubstituted-2E-hexenoate Derviatives. II.

AKITA, Hiroyuki, UMEZAWA, Isao, TAKANO, Michika, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 821 KB

1993

32

A Lipid-Lipase Aggregate with Ether Linkage as a New Type of Immobilized Enzyme for Enantioselective Hydrolysis in Organic Solvents.

AKITA, Hiroyuki, UMEZAWA, Isao, MATSUKURA, Hiroko, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1992

File:

PDF, 1.07 MB

1992

33

Enantioselective Acetylation of an .ALPHA.-Hydroxy Ester by Using Ether-Linked Lipid-Lipase Aggregates in Organic Solvents.

AKITA, Hiroyuki, UMEZAWA, Isao, TISNADJAJA, Djadjat, MATSUKURA, Hiroko, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 778 KB

1993

34

Regioselective Synthesis of 14-Membered Biaryl Ethers: Total Synthesis of RA-VII and Deoxybouvardin.

INOUE, Tsutomu, INABA, Takashi, UMEZAWA, Isao, YUASA, Masayuki, ITOKAWA, Hideji, OGURA, Katsuyuki, KOMATSU, Katsuichiro, HARA, Hiroshi, HOSHINO, Osamu

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 1.56 MB

1995

35

Formal Syntheses of N-Trifluoroacetyl-L-acosamine and N-Trifluoroacetyl-L-daunosamine from an Achiral Precursor, Methyl Sorbate.

NAGUMO, Shinji, UMEZAWA, Isao, AKIYAMA, Junko, AKITA, Hiroyuki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 507 KB

1995

36

An Amphiphile-Lipase Aggregate Bearing 1,2-Dialkylated Mannitol Ether as a New Type of Immobilized Enzyme in Organic Solvents.

AKITA, Hiroyuki, KATO, Keisuke, UMEZAWA, Isao, MATSUKURA, Hiroko

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1997

File:

PDF, 705 KB

1997

37

Enzymatic Hydrolysis in Organic Solvents for Kinetic Resolution of Water-Insoluble .ALPHA.-Acyloxy Esters with Immobilized Lipases.

AKITA, Hiroyuki, UMEZAWA, Isao, MATSUKURA, Hiroko

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1997

File:

PDF, 951 KB

1997

38

REACTION OF BLEOMYCIN WITH DNA

SHIRAKAWA, ISAO, AZEGAMI, MASAO, ISHII, SIN-ICHI, UMEZAWA, HAMAO

Journal:

The Journal of Antibiotics

Year:

1971

Language:

english

File:

PDF, 727 KB

english, 1971

39

NEOPLURAMYCIN, AN INHIBITOR OF NUCLEIC ACID SYNTHESIS

TSUKADA, ISAO, HAMADA, MASA, UMEZAWA, HAMAO, HORI, MAKOTO, HAYASHI, HIDEMI

Journal:

The Journal of Antibiotics

Year:

1971

Language:

english

File:

PDF, 1016 KB

english, 1971

40

STIMULATION OF KANAMYGIN PHOSPHOTRANSFERASE SYNTHESIS IN ESCHERICHIA COLI BY 3'', 5''-CYCLIC AMP

TSUKADA, ISAO, YAGISAWA, MORIMASA, UMEZAWA, MARIE, HORI, MAKOTO, UMEZAWA, HAMAO

Journal:

The Journal of Antibiotics

Year:

1972

Language:

english

File:

PDF, 188 KB

english, 1972

41

Synthesis of 3-episiastatin B analogues having anti-influenza virus activity.

NISHIMURA, YOSHIO, UMEZAWA, YOJI, KONDO, SHINICHI, TAKEUCHI, TOMIO, MORI, KEIJI, KIJIMA-SUDA, ISAO, TOMITA, KENKICHI, SUGAWARA, KANETSU, NAKAMURA, KIYOTO

Journal:

The Journal of Antibiotics

Year:

1993

Language:

english

File:

PDF, 428 KB

english, 1993

42

A Facile Chemoenzymatic Route to Optically Active 4,5-Disubstituted-2E-hexenoate Derivatives. I.

AKITA, Hiroyuki, UMEZAWA, Isao, TAKANO, Michika, OHYAMA, Chiiko, MATSUKURA, Hiroko, OHISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 1.32 MB

1993

43

Total Synthesis of (.+-.)-, (-)-, and (+)-Oudemansin X.

UMEZAWA, Isao, NOZAWA, Masako, NAGUMO, Shinji, AKITA, Hiroyuki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 1.22 MB

1995

44

Structural Characteristics of Lipid-Lipase Aggregates for Enantioselective Hydrolysis in Organic Solvents.

AKITA, Hiroyuki, UMEZAWA, Isao, SAKURAI, Ikuko, OISHI, Takeshi

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 832 KB

1993

45

hASH1 expression is closely correlated with endocrine phenotype and differentiation extent in pulmonary neuroendocrine tumors

Jiang, Shi-Xu, Kameya, Toru, Asamura, Hisao, Umezawa, Atsuko, Sato, Yuichi, Shinada, Jun, Kawakubo, Yasuaki, Igarashi, Toru, Nagai, Kanji, Okayasu, Isao

Journal:

Modern Pathology

Year:

2003

Language:

english

File:

PDF, 374 KB

english, 2003

46

[IEEE 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) - Cancun, Mexico (2017.8.27-2017.9.1)] 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) - 80-GHz signal detection in high speed UTC-PD using EO sampling THz probe

Umezawa, Toshimasa, Morohashi, Isao, Ogawa, Yoh, Akahane, Kouichi, Matsumoto, Atsushi, Kanno, Atsushi, Sekine, Norohiko, Yamamoto, Naokatsu, Hosako, Iwao, Kawanishi, Tetsuya

Year:

2017

Language:

english

File:

PDF, 295 KB

english, 2017

47

10.1246/nikkashi.1980.1641

UMEZAWA, Yoshio, TASAKI, Isao, FUJIWARA, Shizuo

Journal:

NIPPON KAGAKU KAISHI

Year:

1980

File:

PDF, 744 KB

1980