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1

ESR studies of local concentrations of radicals in polyethylene irradiated at 1.5, 4.2 and 77 K

Keichi Nunome, Hachizo Muto, Kazumi Toriyama, Machio Iwasaki

Journal:

Chemical Physics Letters

Year:

1976

Language:

english

File:

PDF, 450 KB

english, 1976

2

Initial mode of radical pair formation in n-hydrocarbons irradiated at 1.5 and 4.2 K

Machio Iwasaki, Kazumi Toriyama, Hachizo Muto, Keichi Nunome

Journal:

Chemical Physics Letters

Year:

1976

Language:

english

File:

PDF, 468 KB

english, 1976

3

Selective formation of radicals in irradiated single crystals: 5,5′-dihydroxybarbituric acid trihydrate

Machio Iwasaki, Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

1976

Language:

english

File:

PDF, 564 KB

english, 1976

4

Hydrogen abstraction by thermal hydrogen atoms at 10–30 K: Electron spin resonance evidence

Machio Iwasaki, Kazumi Toriyama, Hachizo Muto, Keichi Nunome

Journal:

Chemical Physics Letters

Year:

1978

Language:

english

File:

PDF, 258 KB

english, 1978

5

Photoinduced and thermal reactions of molecular σ radical cations of some branched alkanes in low-temperature matrices: An ESR study

Keichi Nunome, Kazumi Toriyama, Machio Iwasaki

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 444 KB

english, 1984

6

ESR evidence for twisted structure of methyl-substituted ethylene radical cations: Trimethylethylene and propylene

Kazumi Toriyama, Keichi Nunome, Machio Iwasaki

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 373 KB

english, 1984

7

ESR observation of isotopic preference in static distortions of Jahn-Teller active radical cations: Partially deuterated ethane radical cations in SF6 at 4 K

Machio Iwasaki, Kazumi Toriyama, Keichi Nunome

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 559 KB

english, 1984

8

A 4 K matrix ESR study of the rearrangement and fragmentation of molecular radical cations of alkyl formates and acetates: Direct evidence for a McLafferty rearrangement

Hachizo Muto, Kazumi Toriyama, Keichi Nunome, Machio Iwasaki

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 376 KB

english, 1984

9

A 4 k matrix esr study of the radical cations of methyl formate: The primary radical cation and its rearrangement

Machio Iwasaki, Hachizo Muto, Kazumi Toriyama, Keichi Nunome

Journal:

Chemical Physics Letters

Year:

1984

Language:

english

File:

PDF, 372 KB

english, 1984

10

Photoinduced ring-opening rearrangement of a radical cation of cyclobutane in CFCl3 at low temperature: ESR observation

Kazumi Toriyama, Keichi Nunome, Machio Iwasaki, Tadamasa Shida, Kiminori Ushida

Journal:

Chemical Physics Letters

Year:

1985

Language:

english

File:

PDF, 217 KB

english, 1985

11

Electron spin resonance and structure of the radical cation of 3-methylpentane

Kazumi Toriyama, Keichi Nunome, Machio Iwasaki

Journal:

Chemical Physics Letters

Year:

1986

Language:

english

File:

PDF, 291 KB

english, 1986

12

Formation of glassy islands and deterioration of crystal structure in irradiated long-chain n-alkane crystals detected by high resolution NMR

Masaharu Okazaki, Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

1989

Language:

english

File:

PDF, 267 KB

english, 1989

13

Excimer formation of pyrene as a probe to investigate the recombination of geminate pairs: ODESR and fluorescence study of dilute pyrene in squalane

Masaharu Okazaki, Yutaka Tai, Ryoichi Nakagaki, Keichi Nunome, Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

1990

Language:

english

File:

PDF, 504 KB

english, 1990

14

The role of alkyl substitution on the spin distribution in the radical cation of alkyl-cyclohexane: An electron-spin-resonance study

Kazumi Toriyama, Kaoru Matsuura, Keichi Nunome

Journal:

Chemical Physics Letters

Year:

1990

Language:

english

File:

PDF, 475 KB

english, 1990

15

Excimer formation of pyrene as a probe to investigate the recombination of geminate pairs: effect of multicomponent recombination on Stern-Volmer plot

Masaharu Okazaki, Yutaka Tai, Keichi Nunome, Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

1990

Language:

english

File:

PDF, 446 KB

english, 1990

16

Detection of propane-cation radical with an asymmetric structure by electron spin resonance

Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

1991

Language:

english

File:

PDF, 448 KB

english, 1991

17

Ultra high-resolution ESR using a reverse micelle 33S, 17O, and 15N satellite lines of fremy's salt at natural isotopic abundance

Masaharu Okazaki, Kazumi Toriyama

Journal:

Journal of Magnetic Resonance (1969)

Year:

1969

Language:

english

File:

PDF, 332 KB

english, 1969

18

Radiolysis of alkanes and olefines in xenon matrices at 4.2 K as studied by ESR: Formation and trapping of hydrogen atoms and their subsequent reactions at cryogenic temperatures

Hachizo Muto, Kazumi Toriyama, Keichi Nunome, Machio Iwasaki

Journal:

Radiation Physics and Chemistry (1977)

Year:

1977

Language:

english

File:

PDF, 606 KB

english, 1977

19

A preliminary report on radical yield alternation in even and odd linear alkanes irradiated at 77 K: ESR evidence

Mitsuhara Fukaya, Kazumi Toriyama, Machio Iwasaki, Takahisa Ichikawa, Nobuaki Ohta

Journal:

Radiation Physics and Chemistry (1977)

Year:

1977

Language:

english

File:

PDF, 231 KB

english, 1977

20

The fate of primary cations in radiolysis of alkanes as studied by ESR

Machio Iwasaki, Kazumi Toriyama, Keichi Nunome

Journal:

Radiation Physics and Chemistry (1977)

Year:

1977

Language:

english

File:

PDF, 895 KB

english, 1977

21

Direct ESR evidence for radiolytic production of D atoms, their trapping and reaction in neopentane-d12 irradiated at 4.2 and 77 K1

Hachizo Muto, Keichi Nunome, Kazumi Toriyama, Machio Iwasaki

Journal:

Radiation Physics and Chemistry (1977)

Year:

1977

Language:

english

File:

PDF, 380 KB

english, 1977

22

Hyperfine versus relaxation mechanisms of the magnetic field effect on recombination fluorescence of geminate pairs

Masahuro Okazaki, Yutaka Tai, Keichi Nunome, Kazumi Toriyama, Saburo Nagakura

Journal:

Chemical Physics

Year:

1992

Language:

english

File:

PDF, 1.08 MB

english, 1992

23

Selective chlorination of alkanes and hydrogenation of chloroflouroethane with high g-values in the radiolysis of their liquid mixture: High resolution NMR study

Kazumi Toriyama, Masaharu Okazaki, Keichi Nunome

Journal:

International Journal of Radiation Applications and Instrumentation. Part C. Radiation Physics and Chemistry

Year:

1990

Language:

english

File:

PDF, 502 KB

english, 1990

24

Dynamics and packing mode of long-chained n-alkane molecules in the nano-channel of MCM-41

Masaharu Okazaki, Kazumi Toriyama, Sambandam Anandan

Journal:

Chemical Physics Letters

Year:

2005

Language:

english

File:

PDF, 157 KB

english, 2005

25

Electron spin resonance of trapped free radicals and the photoinduced radical conversion in γ-irradiated isotactic polypropylene

Machio Iwasaki, Takahisa Ichikawa, Kazumi Toriyama

Journal:

Journal of Polymer Science Part C: Polymer Letters

Year:

1967

Language:

english

File:

PDF, 224 KB

english, 1967

26

Room Temperature Solution ENDOR of some Super Stable Fluorocarbon Radicals

Masaharu Okazaki, Taizo Ono, Kenji Komaguchi, Nobuaki Ohta, Haruhiko Fukaya, Kazumi Toriyama

Journal:

Applied Magnetic Resonance

Year:

2009

Language:

english

File:

PDF, 231 KB

english, 2009

27

Supercage effect for a photochemical reaction in a flow reactor packed with mesoporous silica

Masaharu Okazaki, Yoshinari Konishi, Kazumi Toriyama

Journal:

Chemical Physics Letters

Year:

2000

Language:

english

File:

PDF, 157 KB

english, 2000

28

Structures and reactions of radical cations of some bicycloalkanes and their related alkenes as studied by 4 k matrix esr

Keichi Nunome, Kazumi Toriyama, Machio Iwasaki

Journal:

Year:

1986

Language:

english

File:

PDF, 842 KB

english, 1986

29

Matrix ENDOR of tyrosine D+ in oriented Photosystem II membranes

Hiroyuki Mino, Jun-ichi Satoh, Asako Kawamori, Kazumi Toriyama, Jean-Luc Zimmermann

Journal:

Biochimica et Biophysica Acta (BBA) - Bioenergetics

Year:

1993

Language:

english

File:

PDF, 684 KB

english, 1993

30

Optically detected electron paramagnetic resonance and fluorescence study on geminate ion recombination in low-density polyethylene doped with pyrene

Tai, Yutaka, Okazaki, Masaharu, Toriyama, Kazumi

Journal:

Journal of the Chemical Society Faraday Transactions

Year:

1992

Language:

english

File:

PDF, 642 KB

english, 1992

31

Even?odd alternation of the fromation of chain end alkyl radicals in irradiated crystalline alkanes; e.s.r. evidence

Toriyama, Kazumi, Iwasaki, Machio, Fukaya, Mitsuharu

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1982

Language:

english

File:

PDF, 661 KB

english, 1982

32

The 4 K radiolysis of linear alkanes as studied by electron spin resonance spectroscopy: selective formation of terminal alkyl radicals in the primary process

Iwasaki, Machio, Toriyama, Kazumi, Fukaya, Mitsuharu, Muto, Hachizo, Nunome, Keichi

Journal:

Journal of Physical Chemistry

Year:

1985

Language:

english

File:

PDF, 959 KB

english, 1985

33

Isotope effect on the J?T distortion of partially deuteriated benzene cation radicals: an experimental EPR and theoretical DFT study

Toriyama, Kazumi, Okazaki, Masaharu, Jansson, Magnus, Lund, Anders, Lunell, Sten

Journal:

Physical Chemistry Chemical Physics

Year:

2004

Language:

english

File:

PDF, 303 KB

english, 2004

34

Structures and reactions of radical cations of linear alkanes: ESR evidence for selective deprotonation

Toriyama, Kazumi, Nunome, Keichi, Iwasaki, Machio

Journal:

Journal of Physical Chemistry

Year:

1986

Language:

english

File:

PDF, 852 KB

english, 1986

35

Effects of Spin-Locking of the Intermediate Radical Pair on the Product-Yield-Detected Electron Spin Resonance Spectrum for the Photoreduction of Anthraquinone in SDS Micellar Solutions

Okazaki, Masaharu, Toriyama, Kazumi

Journal:

Journal of Physical Chemistry

Year:

1995

Language:

english

File:

PDF, 895 KB

english, 1995

36

ESR spectra and structures of radical cations of some branched alkanes: β-proton couplings in C–C σ cations

Nunome, Keichi, Toriyama, Kazumi, Iwasaki, Machio

Journal:

The Journal of Chemical Physics

Year:

1983

Language:

english

File:

PDF, 662 KB

english, 1983

37

Static distortion of 2E molecular cations of cyclobutane at 4.2 K giving 2B2 with C2v symmetry and its dynamic average at >77 K: ESR evidence

Ushida, Kiminori, Shida, Tadamasa, Iwasaki, Machio, Toriyama, Kazumi, Nunome, Keichi

Journal:

Journal of the American Chemical Society

Year:

1983

Language:

english

File:

PDF, 259 KB

english, 1983

38

An ESR study of the distortion of norbornane radical cation

Okazaki, Masaharu, Toriyama, Kazumi

Journal:

Journal of Physical Chemistry

Year:

1993

Language:

english

File:

PDF, 1.00 MB

english, 1993

39

Static distortion of 2 E g cyclohexne cation redicals giving the 2 A g state with C2h symmetry and their dynamic processes in low-temperature solids: matrix effects

Toriyama, Kazumi, Nunome, Keichi, Iwasaki, Machio

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1984

Language:

english

File:

PDF, 281 KB

english, 1984

40

Structures of radical cations of norbornane and norbornadiene: e.s.r. evidence

Toriyama, Kazumi, Nunome, Keichi, Iwasaki, Machio

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1983

Language:

english

File:

PDF, 190 KB

english, 1983

41

Reorientation of the methyl groups and its high activation energy in .sigma. radical cations of alkanes: ESR observation for n-butane

Iwasaki, Machio., Toriyama, Kazumi.

Journal:

Journal of the American Chemical Society

Year:

1986

Language:

english

File:

PDF, 411 KB

english, 1986

42

Selectively weakened carbon-carbon .sigma.-bond in cation radicals of linear and branched pentanes as studied by electron spin resonance

Toriyama, Kazumi, Okazaki, Masaharu

Journal:

Journal of Physical Chemistry

Year:

1992

Language:

english

File:

PDF, 652 KB

english, 1992

43

Electron spin resonance study of radical fragmentation from positive primaries in irradiated single crystals of unsaturated carboxylic acids

Toriyama, Kazumi, Iwasaki, Machio, Noda, Shoji, Eda, Bunzo

Journal:

Journal of the American Chemical Society

Year:

1971

Language:

english

File:

PDF, 810 KB

english, 1971

44

New type of radical in irradiated single crystals of carboxylic acids

Iwasaki, Machio., Eda, Bunzo., Toriyama, Kazumi.

Journal:

Journal of the American Chemical Society

Year:

1970

Language:

english

File:

PDF, 263 KB

english, 1970

45

Electron spin resonance evidence for tunneling hydrogen atom transfer reaction at 4.2 K in organic crystals

Toriyama, Kazumi, Nunome, Keichi, Iwasaki, Machio

Journal:

Journal of the American Chemical Society

Year:

1977

Language:

english

File:

PDF, 261 KB

english, 1977

46

Inhomogeneous Distribution and Collective Diffusion of Solution Molecules in the Nanochannel of Mesoporous Silica

Okazaki, Masaharu, Toriyama, Kazumi

Journal:

Journal of Physical Chemistry B

Year:

2003

Language:

english

File:

PDF, 89 KB

english, 2003

47

A Monolayer Complex of Cu 2 (OH) 3 C 12 H 25 SO 4 Directly Precipitated from an Aqueous SDS Solution

Okazaki, Masaharu, Toriyama, Kazumi, Tomura, Shinji, Kodama, Taiji, Watanabe, Eiji

Journal:

Inorganic Chemistry

Year:

2000

Language:

english

File:

PDF, 79 KB

english, 2000

48

Spin-Probe ESR Study on the Entrapment of Organic Solutes by the Nanochannel of MCM-41 in Benzene

Okazaki, Masaharu, Anandan, Sambandam, Seelan, Sindhu, Nishida, Masakazu, Toriyama, Kazumi

Journal:

Year:

2007

Language:

english

File:

PDF, 238 KB

english, 2007

49

Spin-Probe ESR Study on the Dynamics of Liquid Molecules in the MCM-41 Nanochannel: Temperature Dependence on 2-Propanol and Water

Okazaki, Masaharu, Toriyama, Kazumi

Journal:

Journal of Physical Chemistry B

Year:

2005

Language:

english

File:

PDF, 104 KB

english, 2005

50

Linear alkane radical cations prepared in synthetic zeolites by irradiation at 4 K: ESR evidence for ion molecule reaction to form 1-alkyl radicals

Toriyama, Kazumi, Nunome, Keichi, Iwasaki, Machio

Journal:

Journal of the American Chemical Society

Year:

1987

Language:

english

File:

PDF, 588 KB

english, 1987

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