Kazutaka Hirakawa: search on Z-Library

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1

Measurement of Fast Neutron Induced Fission Cross Sections of Americium-243 Relative to Uranium-235

KANDA, Kazutaka, IMARUOKA, Hiromitsu, TERAYAMA, Hiromichi, KARINO, Yoshiji, HIRAKAWA, Naohiro

Journal:

Journal of Nuclear Science and Technology

Year:

1987

Language:

english

File:

PDF, 510 KB

english, 1987

2

The prevalence of intrinsic subtypes and prognosis in breast cancer patients of different races

Junichi Kurebayashi, Takuya Moriya, Takanori Ishida, Hisashi Hirakawa, Masafumi Kurosumi, Futoshi Akiyama, Takayuki Kinoshita, Hiroyuki Takei, Kaoru Takahashi, Masahiko Ikeda, Kazutaka Nakashima

Journal:

Year:

2007

Language:

english

File:

PDF, 157 KB

english, 2007

3

Photosensitized oxidation of nicotinamide adenine dinucleotide by diethoxyphosphorus(V)tetraphenylporphyrin and its fluorinated derivative: Possibility of chain reaction

Hirakawa, Kazutaka, Murata, Atsushi

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2018

Language:

english

File:

PDF, 659 KB

english, 2018

4

Photo-irradiated Titanium Dioxide Catalyzes Site Specific DNA Damage via Generation of Hydrogen Peroxide

Hirakawa, Kazutaka, Mori, Masafumi, Yoshida, Mami, Oikawa, Shinji, Kawanishi, Shosuke

Journal:

Free Radical Research

Year:

2004

Language:

english

File:

PDF, 254 KB

english, 2004

5

Oxidative DNA Damage Induced by Benz[ a ]anthracene Metabolites via Redox Cycles of Quinone and Unique Non-Quinone

Seike, Kazuharu, Murata, Mariko, Oikawa, Shinji, Hiraku, Yusuke, Hirakawa, Kazutaka, Kawanishi, Shosuke

Journal:

Chemical Research in Toxicology

Year:

2003

Language:

english

File:

PDF, 154 KB

english, 2003

6

Water-Solubilization of P(V) and Sb(V) Porphyrins and Their Photobiological Application

Matsumoto, Jin, Shiragami, Tsutomu, Hirakawa, Kazutaka, Yasuda, Masahide

Journal:

International Journal of Photoenergy

Year:

2015

Language:

english

File:

PDF, 2.44 MB

english, 2015

7

Quality evaluation by capillary electrophoresis of amphotericin B injection after filtration through various membrane filters

Kazutaka Makino, Masaaki Hirakawa, Yoko Goto, Kazue Nakashima, Yasufumi Kataoka, Dr. Ryozo Oishi

Journal:

ELECTROPHORESIS

Year:

1998

Language:

english

File:

PDF, 445 KB

english, 1998

8

SELF-ORGANIZATION OF METAL NANOPARTICLES AND ITS APPLICATION TO SYNTHESES OF Pd/Ag/Rh TRIMETALLIC NANOPARTICLE CATALYSTS WITH TRIPLE CORE/SHELL STRUCTURES

TOSHIMA, NAOKI, SHIRAISHI, YUKIHIDE, MATSUSHITA, TORU, MUKAI, HISAYOSHI, HIRAKAWA, KAZUTAKA

Journal:

International Journal of Nanoscience

Year:

2002

Language:

english

File:

PDF, 650 KB

english, 2002

9

Kinetics of Spontaneous Bimetallization between Silver and Noble Metal Nanoparticles

Hirakawa, Kazutaka, Kaneko, Tetsuya, Toshima, Naoki

Journal:

Chemistry – An Asian Journal

Year:

2018

Language:

english

File:

PDF, 1.54 MB

english, 2018

10

Metal-mediated oxidative damage to cellular and isolated DNA by gallic acid, a metabolite of antioxidant propyl gallate

Hatasu Kobayashi, Shinji Oikawa, Kazutaka Hirakawa, Shosuke Kawanishi

Journal:

Mutation Research/Genetic Toxicology and Environmental Mutagenesis

Year:

2004

Language:

english

File:

PDF, 234 KB

english, 2004

11

Guanine-specific DNA oxidation photosensitized by the tetraphenylporphyrin P(V) complex

Hirakawa, Kazutaka, Kawanishi, Shosuke, Segawa, Hiroshi, Hirano, Toru

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2006

Language:

english

File:

PDF, 464 KB

english, 2006

12

Catechol and Hydroquinone Have Different Redox Properties Responsible for Their Differential DNA-damaging Ability

Hirakawa, Kazutaka, Oikawa, Shinji, Hiraku, Yusuke, Hirosawa, Iwao, Kawanishi, Shosuke

Journal:

Chemical Research in Toxicology

Year:

2002

Language:

english

File:

PDF, 156 KB

english, 2002

13

Cross Section Assessment by Measurement of Time Dependent Neutron Spectra from Lithium Assemblies

KANDA, Kazutaka, HIRAKAWA, Naohiro

Journal:

Journal of Nuclear Science and Technology

Year:

1980

Language:

english

File:

PDF, 545 KB

english, 1980

14

Determination of Singlet Oxygen and Electron Transfer Mediated Mechanisms of Photosensitized Protein Damage by Phosphorus(V)porphyrins

Hirakawa, Kazutaka, Umemoto, Hironobu, Kikuchi, Ryo, Yamaguchi, Hiroki, Nishimura, Yoshinobu, Arai, Tatsuo, Okazaki, Shigetoshi, Segawa, Hiroshi

Journal:

Chemical Research in Toxicology

Year:

2015

Language:

english

File:

PDF, 773 KB

english, 2015

15

Electron transfer mediated decomposition of folic acid by photoexcited dimethoxophosphorus(V)porphyrin

Hirakawa, Kazutaka, Morimoto, Shu

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2016

Language:

english

File:

PDF, 867 KB

english, 2016

16

The molecular mechanism of photochemical internalization of cell penetrating peptide-cargo-photosensitizer conjugates

Ohtsuki, Takashi, Miki, Shunya, Kobayashi, Shouhei, Haraguchi, Tokuko, Nakata, Eiji, Hirakawa, Kazutaka, Sumita, Kensuke, Watanabe, Kazunori, Okazaki, Shigetoshi

Journal:

Scientific Reports

Year:

2015

Language:

english

File:

PDF, 1.32 MB

english, 2015

17

Percutaneous Repair of the Closed Ruptured Achilles Tendon.

Ikuta, Takuya, Yanagi, Etsurou, Hirakawa, Kei, Yoshida, Tsuyoshi, Yoshino, Kazutaka, Sakaguchi, Motsuru, Tsukano, Michishi, Yamamoto, Masaaki, Sakae, Terumi, Maruta, Ikio

Journal:

Orthopedics & Traumatology

Year:

1992

File:

PDF, 4.46 MB

1992

18

Photohydrolysis of Methotrexate Produces Pteridine, Which Induces Poly-G–specific DNA Damage Through Photoinduced Electron Transfer¶

Hirakawa, Kazutaka, Aoshima, Masahiro, Hiraku, Yusuke, Kawanishi, Shosuke

Journal:

Photochemistry and Photobiology

Year:

2002

Language:

english

File:

PDF, 172 KB

english, 2002

19

10.2530/jslsm.29.376

Hirakawa, Kazutaka, Ebara, Yumiko, Hirano, Toru, Segawa, Hiroshi

Journal:

Nippon Laser Igakkaishi

Year:

2009

File:

PDF, 2.40 MB

2009

20

Photohydrolysis of Methotrexate Produces Pteridine, Which Induces Poly-G–specific DNA Damage Through Photoinduced Electron Transfer

Kazutaka Hirakawa, Masahiro Aoshima, Yusuke Hiraku, Shosuke Kawanishi

Journal:

Photochemistry and Photobiology

Year:

2002

Language:

english

File:

PDF, 165 KB

english, 2002

21

The Mechanism of Guanine Specific Photooxidation in the Presence of Berberine and Palmatine: Activation of Photosensitized Singlet Oxygen Generation through DNA-Binding Interaction

Hirakawa, Kazutaka, Kawanishi, Shosuke, Hirano, Toru

Journal:

Chemical Research in Toxicology

Year:

2005

Language:

english

File:

PDF, 241 KB

english, 2005

22

Photosensitized Protein-damaging Activity, Cytotoxicity, and Antitumor Effects of P(V)porphyrins Using Long-wavelength Visible-light through Electron Transfer

Hirakawa, Kazutaka, Ouyang, Dongyan, Ibuki, Yuko, Hirohara, Shiho, Okazaki, Shigetoshi, Kono, Eiji, Kanayama, Naohiro, Nakazaki, Jotaro, Segawa, Hiroshi

Journal:

Chemical Research in Toxicology

Year:

2018

Language:

english

File:

PDF, 963 KB

english, 2018

23

Fluorescence lifetime probes for detection of RNA degradation

Hirata, Riku, Hirakawa, Kazutaka, Shimada, Naotaka, Watanabe, Kazunori, Ohtsuki, Takashi

Journal:

The Analyst (Royal Society of Chemistry)

Year:

2020

File:

PDF, 1.95 MB

2020

24

Guanine-specific DNA oxidation photosensitized by the tetraphenylporphyrin phosphorus(V) complex via singlet oxygen generation and electron transfer

Kazutaka Hirakawa, Shosuke Kawanishi, Toru Hirano, Hiroshi Segawa

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2007

Language:

english

File:

PDF, 372 KB

english, 2007

25

Singlet Oxygen Generating Activity of an Electron Donor Connecting Porphyrin Photosensitizer Can Be Controlled by DNA

Hirakawa, Kazutaka, Nishimura, Yoshinobu, Arai, Tatsuo, Okazaki, Shigetoshi

Journal:

Journal of Physical Chemistry B

Year:

2013

Language:

english

File:

PDF, 1.93 MB

english, 2013

26

Phenothiazine dyes photosensitize protein damage through electron transfer and singlet oxygen generation

Hirakawa, Kazutaka, Ishikawa, Takaya

Journal:

Dyes and Pigments

Year:

2017

Language:

english

File:

PDF, 798 KB

english, 2017

27

Effects of hydrogen bonding interaction and solvent polarity on the competition between excitation energy and photo-induced electron transfer processes in hydroxy(1-pyrenebutoxy)phosphorus(V)porphyrin

Kazutaka Hirakawa, Hiroshi Segawa

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2010

Language:

english

File:

PDF, 406 KB

english, 2010

28

Results of Treatment for Metacarpal Shaft Fractures.

Nihashi, Hiroyoshi, Tashima, Hikaru, Shimomura, Yoshihumi, Hirakawa, Takashi, Sakae, Terumi, Yamamoto, Masaaki, Sakaguchi, Mitsuru, Tsukano, Michishi, Yoshino, Kazutaka, Ikuta, Takuya, Maruta, Ikio

Journal:

Orthopedics & Traumatology

Year:

1992

File:

PDF, 5.41 MB

1992

29

Relaxation process of S2 excited zinc porphyrin through interaction with a directly connected phenanthryl group

Hirakawa, Kazutaka, Hosokawa, Yume, Nishimura, Yoshinobu, Okazaki, Shigetoshi

Journal:

Chemical Physics Letters

Year:

2019

Language:

english

File:

PDF, 468 KB

english, 2019

30

Polymer-protected PtRu bimetallic cluster catalysts for visible-light-induced hydrogen generation from water and electron transfer dynamics

Naoki Toshima, Kazutaka Hirakawa

Journal:

Applied Surface Science

Year:

1997

Language:

english

File:

PDF, 333 KB

english, 1997

31

The Study about the Cases with Surgical Treatment of Collateral Ligament Injuries of the Metacarpophalangeal Joints of the Thumb.

Shimomura, Yoshifumi, Tashima, Hikaru, Sakae, Terumi, Yamamoto, Masa-aki, Sakaguchi, Mitsuru, Tsukano, Michishi, Yoshino, Kazutaka, Ikuta, Takuya, Hirakawa, Kei, Maruta, Ikio

Journal:

Orthopedics & Traumatology

Year:

1992

File:

PDF, 464 KB

1992

32

O-11-175 - Clinical features of gliomas involving the corpus callosum

Tetsuhiko Asakura, Shunichi Yokoyama, Masaki Nakayama, Hirofumi Hirano, Wataru Hirakawa, Akihito Kawanishi, Kazutaka Yatsushiro, Koki Kadota

Journal:

Clinical Neurology and Neurosurgery

Year:

1997

Language:

english

File:

PDF, 164 KB

english, 1997

33

Tetrakis( N -methyl- p -pyridinio)porphyrin and its zinc complex can photosensitize damage of human serum albumin through electron transfer and singlet oxygen generation

Ouyang, Dongyan, Inoue, Shiori, Okazaki, Shigetoshi, Hirakawa, Kazutaka

Journal:

Journal of Porphyrins and Phthalocyanines

Year:

2016

Language:

english

File:

PDF, 648 KB

english, 2016

34

Nuclear data measurement of 232Th for fast neutrons

Hirakawa, Naohiro, Sugiyama, Kazuske, Itagaki, Shinjiro, Iwasaki, Shin, Baba, Mamoru, Kanda, Kazutaka

Journal:

Radiation Effects and Defects in Solids

Year:

1986

Language:

english

File:

PDF, 394 KB

english, 1986

35

Dynamics of Singlet Oxygen Generation by DNA-Binding Photosensitizers

Hirakawa, Kazutaka, Hirano, Toru, Nishimura, Yoshinobu, Arai, Tatsuo, Nosaka, Yoshio

Journal:

Journal of Physical Chemistry B

Year:

2012

Language:

english

File:

PDF, 1.63 MB

english, 2012

36

Controlled generation of singlet oxygen by a water-soluble meso-pyrenylporphyrin photosensitizer through interaction with DNA

Hirakawa, Kazutaka, Harada, Mari, Okazaki, Shigetoshi, Nosaka, Yoshio

Journal:

Chemical Communications

Year:

2012

Language:

english

File:

PDF, 1.52 MB

english, 2012

37

Clinica Experience in Using the Compression Hip Screw with Brim Supporter for Trochanteric Fracture of the Femur.

Ikuta, Takuya, Sakaguchi, Mitsuru, Sakae, Terumi, Yamamoto, Masaaki, Tajima, Hikaru, Tsukano, Michihi, Yoshino, Kazutaka, Shimomura, Yoshifumi, Yoshida, Tsuyoshi, Hirakawa, Kei, Maruta, Ikio

Journal:

Orthopedics & Traumatology

Year:

1992

File:

PDF, 4.83 MB

1992

38

Excitation energy transfer and photo-induced electron transfer in axial bispyrenyl phosphorus porphyrin derivatives: factors governing the competition between energy and electron transfer processes under the existence of intramolecular π–π interaction

Kazutaka Hirakawa, Hiroshi Segawa

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

1999

Language:

english

File:

PDF, 446 KB

english, 1999

39

Carcinogenic semicarbazide induces sequence-specific DNA damage through the generation of reactive oxygen species and the derived organic radicals

Kazutaka Hirakawa, Kaoru Midorikawa, Shinji Oikawa, Shosuke Kawanishi

Journal:

Mutation Research/Genetic Toxicology and Environmental Mutagenesis

Year:

2003

Language:

english

File:

PDF, 272 KB

english, 2003

40

Fluorometry of hydrogen peroxide using oxidative decomposition of folic acid

Kazutaka Hirakawa

Journal:

Analytical and Bioanalytical Chemistry

Year:

2006

Language:

english

File:

PDF, 231 KB

english, 2006

41

Fluorometry of singlet oxygen generated via a photosensitized reaction using folic acid and methotrexate

Kazutaka Hirakawa

Journal:

Analytical and Bioanalytical Chemistry

Year:

2009

Language:

english

File:

PDF, 263 KB

english, 2009

42

Clinical Experience in Using the Intramedullary Nail for Femoral Shaft Fractures.

Ikuta, Takuya, Tamai, Makoto, Nagano, Yuichi, Hirakawa, Kei, Shimomura, Yoshifumi, Yoshino, Kazutaka, Tashima, Hikaru, Sakaguchi, Mitsuru, Tsukano, Michishi, Sakae, Terumi, Maruta, Ikio

Journal:

Orthopedics & Traumatology

Year:

1993

File:

PDF, 1.66 MB

1993

43

pH-Dependent photodynamic activity of bis(6-methyl-3-pyridylmethoxy)P(V)tetrakis(p-methoxyphenyl)porphyrin

Hirakawa, Kazutaka, Onishi, Yusuke, Ouyang, Dongyan, Horiuchi, Hiroaki, Okazaki, Shigetoshi

Journal:

Chemical Physics Letters

Year:

2020

File:

PDF, 637 KB

2020

44

Photosensitized protein damage by dimethoxyphosphorus(V) tetraphenylporphyrin

Hirakawa, Kazutaka, Fukunaga, Norihito, Nishimura, Yoshinobu, Arai, Tatsuo, Okazaki, Shigetoshi

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2013

Language:

english

File:

PDF, 429 KB

english, 2013

45

Multi-step intramolecular excitation energy transfer in dendritic pyrene-phosphorus(V)porphyrin heptads

Hirakawa, Kazutaka, Segawa, Hiroshi

Journal:

Journal of Luminescence

Year:

2016

Language:

english

File:

PDF, 1.05 MB

english, 2016

46

Measurement of fast neutron induced fission cross sections of 232Th, 233U and 234U relative to 235U

Kanda, Kazutaka, Imaruoka, Hiromitsu, Yoshida, Kazuo, Sato, Osamu, Hirakawa, Naohiro

Journal:

Radiation Effects and Defects in Solids

Year:

1986

Language:

english

File:

PDF, 354 KB

english, 1986

47

Guanine-specific DNA damage photosensitized by the dihydroxo(tetraphenylporphyrinato)antimony(V) complex

Kazutaka Hirakawa, Shosuke Kawanishi, Jin Matsumoto, Tsutomu Shiragami, Masahide Yasuda

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

2006

Language:

english

File:

PDF, 311 KB

english, 2006

48

Base Oxidation at 5′ Site of GG Sequence in Double-stranded DNA Induced by UVA in the Presence of Xanthone Analogues: Relationship Between the DNA-damaging Abilities of Photosensitizers and Their HOMO Energies

Kazutaka Hirakawa, Mami Yoshida, Shinji Oikawa, Shosuke Kawanishi

Journal:

Photochemistry and Photobiology

Year:

2003

Language:

english

File:

PDF, 261 KB

english, 2003

49

Hydroxylation of Deoxyguanosine at 5′ Site of GG and GGG Sequences in Double-stranded DNA Induced by Carbamoyl Radicals

Midorikawa, Kaoru, Hirakawa, Kazutaka, Kawanishi, Shosuke

Journal:

Free Radical Research

Year:

2002

Language:

english

File:

PDF, 1.02 MB

english, 2002

50

Spin alignment of orthogonal ??-radicals of directly meso-linked porphyrin arraysElectronic supplementary information (ESI) available: NMR data and ESR spectra. See http://www.rsc.org/suppdata/cc/b2/b209172k/

Segawa, Hiroshi, Machida, Daiki, Senshu, Yutaka, Nakazaki, Jotaro, Hirakawa, Kazutaka, Wu, Feipeng

Journal:

Chemical Communications

Year:

2002

Language:

english

File:

PDF, 108 KB

english, 2002

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