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1

Test fixture for MESFET reliability life tests

C. Canali, F. Chiussi, F. Fantini, G. Muzzin, L. Umena

Journal:

Microelectronics Reliability

Year:

1987

Language:

english

File:

PDF, 934 KB

english, 1987

2

Crystal structure of oxygen-evolving photosystem II at a resolution of 1.9 Å

Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo

Journal:

Year:

2011

Language:

english

File:

PDF, 1.33 MB

english, 2011

3

The nature of chemical bonds of the CaMn4O5 cluster in oxygen evolving complex of photosystem II: Jahn-Teller distortion and its suppression by Ca doping in cubane structures

K. Yamaguchi, S. Yamanaka, H. Isobe, T. Saito, K. Kanda, Y. Umena, K. Kawakami, J.-R. Shen, N. Kamiya, M. Okumura, H. Nakamura, M. Shoji, Y. Yoshioka

Journal:

International Journal of Quantum Chemistry

Year:

2012

Language:

english

File:

PDF, 1.91 MB

english, 2012

4

Theoretical modelling of biomolecular systems I. Large-scale QM/MM calculations of hydrogen-bonding networks of the oxygen evolving complex of photosystem II

Shoji, Mitsuo, Isobe, Hiroshi, Yamanaka, Shusuke, Umena, Yasufumi, Kawakami, Keisuke, Kamiya, Nobuo, Shen, Jian-Ren, Nakajima, Takahito, Yamaguchi, Kizashi

Journal:

Molecular Physics

Year:

2015

Language:

english

File:

PDF, 2.33 MB

english, 2015

5

Degradation mechanisms induced by high current density in Al-gate GaAs MESFET's

Canali, C., Fantini, F., Scorzoni, A., Umena, L., Zanoni, E.

Journal:

IEEE Transactions on Electron Devices

Year:

1987

Language:

english

File:

PDF, 1.01 MB

english, 1987

6

Distribution of the Cationic State over the Chlorophyll Pair of the Photosystem II Reaction Center

Saito, Keisuke, Ishida, Toyokazu, Sugiura, Miwa, Kawakami, Keisuke, Umena, Yasufumi, Kamiya, Nobuo, Shen, Jian-Ren, Ishikita, Hiroshi

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 2.22 MB

english, 2011

7

Light-induced structural changes and the site of O=O bond formation in PSII caught by XFEL

Suga, Michihiro, Akita, Fusamichi, Sugahara, Michihiro, Kubo, Minoru, Nakajima, Yoshiki, Nakane, Takanori, Yamashita, Keitaro, Umena, Yasufumi, Nakabayashi, Makoto, Yamane, Takahiro, Nakano, Takamitsu

Journal:

Year:

2017

Language:

english

File:

PDF, 12.28 MB

english, 2017

8

Crystal structure of oxygen-evolving photosystem II at atomic resolution

Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo

Journal:

Acta Crystallographica Section A Foundations of Crystallography

Year:

2010

Language:

english

File:

PDF, 698 KB

english, 2010

9

An oxyl/oxo mechanism for oxygen-oxygen coupling in PSII revealed by an x-ray free-electron laser

Suga, Michihiro, Akita, Fusamichi, Yamashita, Keitaro, Nakajima, Yoshiki, Ueno, Go, Li, Hongjie, Yamane, Takahiro, Hirata, Kunio, Umena, Yasufumi, Yonekura, Shinichiro, Yu, Long-Jiang, Murakami, Hiron

Journal:

Year:

2019

File:

PDF, 1.22 MB

2019

10

Possible mechanisms for the O–O bond formation in oxygen evolution reaction at the CaMn4O5(H2O)4 cluster of PSII refined to 1.9 Å X-ray resolution

S. Yamanaka, H. Isobe, K. Kanda, T. Saito, Y. Umena, K. Kawakami, J.-R. Shen, N. Kamiya, M. Okumura, H. Nakamura, K. Yamaguchi

Journal:

Chemical Physics Letters

Year:

2011

Language:

english

File:

PDF, 992 KB

english, 2011

11

Structure of the catalytic, inorganic core of oxygen-evolving photosystem II at 1.9 Å resolution

Keisuke Kawakami, Yasufumi Umena, Nobuo Kamiya, Jian-Ren Shen

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2011

Language:

english

File:

PDF, 1.59 MB

english, 2011

12

Possible mechanisms of water splitting reaction based on proton and electron release pathways revealed for CaMn4O5 cluster of PSII refined to 1.9 Å X-ray resolution

T. Saito, S. Yamanaka, K. Kanda, H. Isobe, Y. Takano, Y. Shigeta, Y. Umena, K. Kawakami, J.-R. Shen, N. Kamiya, M. Okumura, M. Shoji, Y. Yoshioka, K. Yamaguchi

Journal:

International Journal of Quantum Chemistry

Year:

2012

Language:

english

File:

PDF, 1.32 MB

english, 2012

13

Structure and reactivity of the mixed-valence CaMn4O5(H2O)4 and CaMn4O4(OH)(H2O)4 clusters at oxygen evolution complex of photosystem II. Hybrid DFT (UB3LYP and UBHandHLYP) calculations

S. Yamanaka, T. Saito, K. Kanda, H. Isobe, Y. Umena, K. Kawakami, J.-R. Shen, N. Kamiya, M. Okumura, H. Nakamura, K. Yamaguchi

Journal:

International Journal of Quantum Chemistry

Year:

2012

Language:

english

File:

PDF, 1.37 MB

english, 2012

14

Focal segmental glomerulosclerosis complicating solitary kidney

Yoshiyuki Oshiro, Sachio Umena, Masatoshi Noda

Journal:

Clinical and Experimental Nephrology

Year:

2009

Language:

english

File:

PDF, 232 KB

english, 2009

15

Labile electronic and spin states of the CaMn4O5 cluster in the PSII system refined to the 1.9 Å X-ray resolution. UB3LYP computational results

Keita Kanda, Shusuke Yamanaka, Tohru Saito, Yasufumi Umena, Keisuke Kawakami, Jian-Ren Shen, Nobuo Kamiya, Mitsutaka Okumura, Haruki Nakamura, Kizashi Yamaguchi

Journal:

Chemical Physics Letters

Year:

2011

Language:

english

File:

PDF, 515 KB

english, 2011

16

Ozonation of organic compounds in alkaline aqueous media

S. Imamura, H. Umena, N. Kawabata, M. Teramoto

Journal:

The Canadian Journal of Chemical Engineering

Year:

1982

Language:

english

File:

PDF, 507 KB

english, 1982

17

Full geometry optimizations of the mixed-valence CaMn4O4X(H2O)4 (X=OH or O) cluster in OEC of PS II: Degree of symmetry breaking of the labile Mn-X-Mn bond revealed by several hybrid DFT calculations

K. Yamaguchi, H. Isobe, S. Yamanaka, T. Saito, K. Kanda, M. Shoji, Y. Umena, K. Kawakami, J.-R. Shen, N. Kamiya, M. Okumura

Journal:

International Journal of Quantum Chemistry

Year:

2012

Language:

english

File:

PDF, 1.37 MB

english, 2012

18

Towards structural elucidation of eukaryotic photosystem II: Purification, crystallization and preliminary X-ray diffraction analysis of photosystem II from a red alga

Hideyuki Adachi, Yasufumi Umena, Isao Enami, Takahiro Henmi, Nobuo Kamiya, Jian-Ren Shen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2009

Language:

english

File:

PDF, 1.29 MB

english, 2009

19

Structural and functional studies on Ycf12 (Psb30) and PsbZ-deletion mutants from a thermophilic cyanobacterium

Kenji Takasaka, Masako Iwai, Yasufumi Umena, Keisuke Kawakami, Yukari Ohmori, Masahiko Ikeuchi, Yuichiro Takahashi, Nobuo Kamiya, Jian-Ren Shen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2010

Language:

english

File:

PDF, 1.10 MB

english, 2010

20

Roles of PsbI and PsbM in photosystem II dimer formation and stability studied by deletion mutagenesis and X-ray crystallography

Keisuke Kawakami, Yasufumi Umena, Masako Iwai, Yousuke Kawabata, Masahiko Ikeuchi, Nobuo Kamiya, Jian-Ren Shen

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2011

Language:

english

File:

PDF, 920 KB

english, 2011

21

Deformation of Chlorin Rings in the Photosystem II Crystal Structure

Saito, Keisuke, Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo, Ishikita, Hiroshi

Journal:

Year:

2012

Language:

english

File:

PDF, 4.19 MB

english, 2012

22

Theoretical illumination of water-inserted structures of the CaMn4O5 cluster in the S2 and S3 states of oxygen-evolving complex of photosystem II: full geometry optimizations by B3LYP hybrid density functional

Isobe, H., Shoji, M., Yamanaka, S., Umena, Y., Kawakami, K., Kamiya, N., Shen, J.-R., Yamaguchi, K.

Journal:

Dalton Transactions

Year:

2012

Language:

english

File:

PDF, 1.20 MB

english, 2012

23

The crystal structure of l-lactate oxidase from Aerococcus viridans at 2.1 Å resolution reveals the mechanism of strict substrate recognition

Yasufumi Umena, Kazuko Yorita, Takeshi Matsuoka, Akiko Kita, Kiyoshi Fukui, Yukio Morimoto

Journal:

Biochemical and Biophysical Research Communications

Year:

2006

Language:

english

File:

PDF, 2.62 MB

english, 2006

24

Crystallographic study on the interaction of l-lactate oxidase with pyruvate at 1.9 Å resolution

Shu Jie Li, Yasufumi Umena, Kazuko Yorita, Takeshi Matsuoka, Akiko Kita, Kiyoshi Fukui, Yukio Morimoto

Journal:

Biochemical and Biophysical Research Communications

Year:

2007

Language:

english

File:

PDF, 583 KB

english, 2007

25

Electromigration effects in power MESFET rectifying and ohmic contacts

Canali, C., Chiussi, F., Fantini, F., Umena, L., vanzi, M.

Journal:

Electronics Letters

Year:

1987

Language:

english

File:

PDF, 511 KB

english, 1987

26

Structure of Sr-substituted photosystem II at 2.1 A resolution and its implications in the mechanism of water oxidation

Koua, F. H. M., Umena, Y., Kawakami, K., Shen, J.-R.

Journal:

Proceedings of the National Academy of Sciences

Year:

2013

Language:

english

File:

PDF, 618 KB

english, 2013

27

Structural–Functional Role of Chloride in Photosystem II

Rivalta, Ivan, Amin, Muhamed, Luber, Sandra, Vassiliev, Serguei, Pokhrel, Ravi, Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo, Bruce, Doug, Brudvig, Gary W., Gunner, M. R., Batista

Journal:

Year:

2011

Language:

english

File:

PDF, 2.60 MB

english, 2011

28

S 1 -State Model of the O 2 -Evolving Complex of Photosystem II

Luber, Sandra, Rivalta, Ivan, Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo, Brudvig, Gary W., Batista, Victor S.

Journal:

Year:

2011

Language:

english

File:

PDF, 751 KB

english, 2011

29

Evidence for an Unprecedented Histidine Hydroxyl Modification on D2-His336 in Photosystem II of Thermosynechoccocus vulcanus and Thermosynechoccocus elongatus

Sugiura, Miwa, Koyama, Kazumi, Umena, Yasufumi, Kawakami, Keisuke, Shen, Jian-Ren, Kamiya, Nobuo, Boussac, Alain

Journal:

Year:

2013

Language:

english

File:

PDF, 3.70 MB

english, 2013

30

Generalized approximate spin projection calculations of effective exchange integrals of the CaMn4O5 cluster in the S1 and S3 states of the oxygen evolving complex of photosystem II

Isobe, H., Shoji, M., Yamanaka, S., Mino, H., Umena, Y., Kawakami, K., Kamiya, N., Shen, J.-R., Yamaguchi, K.

Journal:

Physical Chemistry Chemical Physics

Year:

2014

Language:

english

File:

PDF, 1.84 MB

english, 2014

31

High resolution structure of photosystem II and the mechanism of water-splitting

Shen, Jian-Ren, Umena, Yasufumi, Kawakami, Keisuke, Kamiya, Nobuo

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

2012

Language:

english

File:

PDF, 74 KB

english, 2012

32

Theoretical insight in to hydrogen-bonding networks and proton wire for the CaMn4O5 cluster of photosystem II. Elongation of Mn–Mn distances with hydrogen bonds

Shoji, M., Isobe, H., Yamanaka, S., Umena, Y., Kawakami, K., Kamiya, N., Shen, J.-R., Yamaguchi, K.

Journal:

Catalysis Science & Technology

Year:

2013

Language:

english

File:

PDF, 3.35 MB

english, 2013

33

Gate metallization "Sinking" into the active channel in Ti/W/Au metallized power MESFET's

Canali, C., Castaldo, F., Fantini, F., Ogliari, D., Umena, L., Zanoni, E.

Journal:

IEEE Electron Device Letters

Year:

1986

Language:

english

File:

PDF, 360 KB

english, 1986

34

Increase in barrier height of Al/n-GaAs contacts induced by high current

Canali, C., Umena, L., Fantini, F., Scorzoni, A., Zanoni, E.

Journal:

IEEE Electron Device Letters

Year:

1986

Language:

english

File:

PDF, 312 KB

english, 1986

35

Location of chloride and its possible functions in oxygen-evolving photosystem II revealed by X-ray crystallography

Kawakami, K., Umena, Y., Kamiya, N., Shen, J.-R.

Journal:

Proceedings of the National Academy of Sciences

Year:

2009

Language:

english

File:

PDF, 1.88 MB

english, 2009

36

Cronkhite–Canada syndrome showing elevated levels of antinuclear and anticentromere antibody

Ota, Seisuke, Kasahara, Akinori, Tada, Shoko, Tanaka, Takehiro, Umena, Sachio, Fukatsu, Haruka, Noguchi, Toshio, Matsumura, Tadashi

Journal:

Clinical Journal of Gastroenterology

Year:

2015

Language:

english

File:

PDF, 1.67 MB

english, 2015

37

AIP Conference Proceedings [AIP SOLAR CHEMICAL ENERGY STORAGE: SolChES - Sendai, Japan (23–28 July 2012)] - Structural basis of photosynthetic water-splitting

Shen, Jian-Ren, Umena, Yasufumi, Kawakami, Keisuke, Kamiya, Nobuo

Year:

2013

Language:

english

File:

PDF, 1.33 MB

english, 2013

38

Novel features of eukaryotic photosystem II revealed by its crystal structure analysis from a red alga

Ago, Hideo, Adachi, Hideyuki, Umena, Yasufumi, Tashiro, Takayoshi, Kawakami, Keisuke, Kamiya, Nobuo, Tian, Lirong, Han, Guangye, Kuang, Tingyun, Liu, Zheyi, Wang, Fangjun, Zou, Hanfa, Enami, Isao, Miy

Journal:

Journal of Biological Chemistry

Year:

2016

Language:

english

File:

PDF, 2.82 MB

english, 2016

39

Friction characteristics of fabrics in the presence of air

Bao, Limin, Umena, Yuji, Kemmochi, Kiyoshi

Journal:

Journal of the Textile Institute

Year:

2011

Language:

english

File:

PDF, 645 KB

english, 2011

40

Dynamics of Excitation Energy Transfer Between the Subunits of Photosystem II Dimer

Yoneda, Yusuke, Katayama, Tetsuro, Nagasawa, Yutaka, Miyasaka, Hiroshi, Umena, Yasufumi

Journal:

Journal of the American Chemical Society

Year:

2016

Language:

english

File:

PDF, 1006 KB

english, 2016

41

Mutual relationships between structural and functional changes in a PsbM-deletion mutant of photosystem II

Uto, Sayaka, Kawakami, Keisuke, Umena, Yasufumi, Iwai, Masako, Ikeuchi, Masahiko, Shen, Jian-Ren, Kamiya, Nobuo

Journal:

Faraday Discussions

Year:

2016

Language:

english

File:

PDF, 3.07 MB

english, 2016

42

Two Cases of Acute Erythroid Leukemia Presenting with Marked Macrocytic Anemia, Reticulocytosis and Hemolysis

Ota, Seisuke, Kasahara, Akinori, Mizuno, Shoma, Uchikoga, Osamu, Kuroda, Momoko, Miyoshi, Haruka, Shiomi, Kohei, Umena, Sachio, Noguchi, Toshio, Kishimoto, Nobuyasu, Matsumura, Tadashi

Journal:

Internal Medicine

Year:

2013

Language:

english

File:

PDF, 493 KB

english, 2013

43

A Case of Repeated Painless Thyroiditis Followed by Graves' Disease.

UMENA, SACHIO, TAKANO, TORU, IIJIMA, TAKASHI, HIDAKA, YOH, YAGORO, AYA, TAKAI, SHINICHIRO, AMINO, NOBUYUKI

Journal:

Endocrine Journal

Year:

1995

Language:

english

File:

PDF, 752 KB

english, 1995

44

On the guiding principles for understanding of geometrical structures of the CaMn 4 O 5 cluster in oxygen-evolving complex of photosystem II. Proposal of estimation formula of structural deformations via the Jahn–Teller effects

Yamaguchi, K., Shoji, M., Isobe, H., Yamanaka, S., Umena, Y., Kawakami, K., Kamiya, N.

Journal:

Molecular Physics

Year:

2017

Language:

english

File:

PDF, 2.38 MB

english, 2017

45

Hydrogen-bond networks and channels revealed in the 1.9 Å structure of PSII

Umena, Y., Kawakami, K., Kamiya, N., Shen, J. -R.

Journal:

Acta Crystallographica Section A Foundations of Crystallography

Year:

2011

Language:

english

File:

PDF, 355 KB

english, 2011

46

Degradation mechanisms induced by temperature in power MESFETs

Canali, C., Fantini, F., Umena, L., Zanoni, E.

Journal:

Electronics Letters

Year:

1985

Language:

english

File:

PDF, 351 KB

english, 1985

47

Understanding of two different structures in the dark stable state of oxygen evolving complex of photosystem II by the low-dose XRD method

Yamaguchi, Kizashi, Kamiya, Nobuo, Kawakami, Keisuke, Fukushima, Yoshimasa, Umena, Yasufumi, Isobe, Hiroshi, Nakajima, Takahito, tanaka, ayako, shoji, mitsuo

Journal:

Year:

2017

Language:

english

File:

PDF, 1.54 MB

english, 2017

48

Fourier Transform Infrared Analysis of the S-State Cycle of Water Oxidation in the Microcrystals of Photosystem II

Kato, Yuki, Akita, Fusamichi, Nakajima, Yoshiki, Suga, Michihiro, Umena, Yasufumi, Shen, Jian-Ren, Noguchi, Takumi

Journal:

The Journal of Physical Chemistry Letters

Year:

2018

Language:

english

File:

PDF, 454 KB

english, 2018

49

Friction Decrease of Airbags with Air

BAO, Limin, UMENA, Yuji, QIAN, Danna, TAKATERA, Masayuki, KEMMOCHI, Kiyoshi

Year:

2010

File:

PDF, 790 KB

2010

50

2L1412 Crystal structure of oxygen evolving Photosystem II complex at an atomic resolution(Photobiology: Photosynthesis,The 48th Annual Meeting of the Biophysical Society of Japan)

Umena, Yasufumi, Kawakami, Keisuke, Kamiya, Nobuo, Shen, Jian-Ren

Journal:

Seibutsu Butsuri

Year:

2011

Language:

english

File:

PDF, 244 KB

english, 2011

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