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51

Simultaneous determination of triclabendazole and its sulphoxide and sulphone metabolites in bovine milk by high-performance liquid chromatography

Kazue Takeba, Kenji Fujinuma, Miho Sakamoto, Tomoyuki Miyazaki, Hisao Oka, Yuko Itoh, Hiroyuki Nakazawa

Journal:

Journal of Chromatography A

Année:

2000

Langue:

english

Fichier:

PDF, 362 KB

english, 2000

52

Application of ion-exchange cartridge clean-up in food analysis: III. Determination of benzylpenicillin, phenoxymethyl-penicillin, oxacillin, cloxacillin, nafcillin and dicloxacillin in bovine liver and kidney by liquid chromatography with ultraviolet detection

Yuko Ito, Yoshitomo Ikai, Hisao Oka, Hiroshi Matsumoto, Tadaaki Kagami, Kazue Takeba

Journal:

Journal of Chromatography A

Année:

2000

Langue:

english

Fichier:

PDF, 145 KB

english, 2000

53

Application of ion-exchange cartridge clean-up in food analysis: V. Simultaneous determination of sulphonamide antibacterials in animal liver and kidney using high-performance liquid chromatography with ultraviolet and mass spectrometric detection

Yuko Ito, Hisao Oka, Yoshitomo Ikai, Hiroshi Matsumoto, Yutaka Miyazaki, Hisamitsu Nagase

Journal:

Journal of Chromatography A

Année:

2000

Langue:

english

Fichier:

PDF, 191 KB

english, 2000

54

Separation of spiramycin components using high-speed counter-current chromatography

Hisao Oka, Ken-ichi Harada, Masanao Suzuki, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

2000

Langue:

english

Fichier:

PDF, 199 KB

english, 2000

55

Improvement of chemical analysis of antibiotics : XV. Isocratic high-performance liquid chromatographic methods for the analysis and preparative separation of the components of bacitracin

Hisao Oka, Yoshitomo Ikai, Norihisa Kawamura, Masuo Yamada, Ken-Ichi Harada, Yumiko Yamazaki, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 546 KB

english, 1989

56

Improvement of chemical analysis of antibiotics : XIII. Systematic simultaneous analysis of residual tetracyclines in animal tissues using thin-layer and high-performance liquid chromatography

Yoshitomo Ikai, Hisao Oka, Norihisa Kawamura, Masuo Yamada, Ken-Ichi Harada, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 678 KB

english, 1987

57

Simple method for the analysis of food dyes on reversed-phase thin-layer plates

Hisao Oka, Yoshitomo Ikai, Norihisa Kawamura, Masuo Yamada, Hiromasa Inoue, Tsutomu Ohno, Kensuke Inagaki, Arifumi Kuno, Nagisa Yamamoto

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 953 KB

english, 1987

58

Improvement of chemical analysis of antibiotics : VIII. Application of prepacked C18 cartridge for the analysis of tetracycline residues in animal liver

Hisao Oka, Hiroshi Matsumoto, Keiichi Uno, Ken-Ichi Harada, Satsuki Kadowaki, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1985

Langue:

english

Fichier:

PDF, 633 KB

english, 1985

59

Application of ion-exchange cartridge clean-up in food analysis: IV. Confirmatory assay of benzylpenicillin, phenoxymethylpenicillin, oxacillin, cloxacillin, nafcillin and dicloxacillin in bovine tissues by liquid chromatography–electrospray ionization tandem mass spectrometry

Yuko Ito, Yoshitomo Ikai, Hisao Oka, Hiroshi Matsumoto, Yutaka Miyazaki, Kazue Takeba, Hisamitsu Nagase

Journal:

Journal of Chromatography A

Année:

2001

Langue:

english

Fichier:

PDF, 467 KB

english, 2001

60

Separation of WAP-8294A components, a novel anti-methicillin-resistant Staphylococcus aureus antibiotic, using high-speed counter-current chromatography

Ken-ichi Harada, Masanao Suzuki, Azusa Kato, Kiyonaga Fujii, Hisao Oka, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

2001

Langue:

english

Fichier:

PDF, 138 KB

english, 2001

61

Purification of Food Color Red No. 106 (acid red) using pH-zone-refining counter-current chromatography

Hisao Oka, Masanao Suzuki, Ken-Ichi Harada, Masato Iwaya, Kiyonaga Fujii, Tomomi Goto, Yuko Ito, Hiroshi Matsumoto, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

2002

Langue:

english

Fichier:

PDF, 126 KB

english, 2002

62

Improvement of chemical analysis of antibiotics : XII. Simultaneous analysis of seven tetracyclines in honey

Hisao Oka, Yoshitomo Ikai, Norihisa Kawamura, Keiichi Uno, Masuo Yamada, Ken-Ichi Harada, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 632 KB

english, 1987

63

Horizontal flow-through coil planet centrifuge equipped with a set of multilayer coils around the column holder: Counter-current chromatography of proteins with a polymer-phase system

Yoichiro Ito, Hisao Oka

Journal:

Journal of Chromatography A

Année:

1988

Langue:

english

Fichier:

PDF, 216 KB

english, 1988

64

Multilayer coil planet centrifuge for analytical highspeed counter-current chromatography

Hisao Oka, Fumie Oka, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 824 KB

english, 1989

65

Improved high-speed counter-current chromatography with three multilayer coils connected in series : II. Separation of various biological samples with a semi-preparative column

Yoichiro Ito, Hisao Oka, Wei Lee Yue

Journal:

Journal of Chromatography A

Année:

1990

Langue:

english

Fichier:

PDF, 657 KB

english, 1990

66

Improved cross-axis synchronous flow-through coil planet centrifuge for performing counter-current chromatography : I. Design of the apparatus and analysis of accelaration

Yoichiro Ito, Hisao Oka, Jimmie L. Slemp

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 784 KB

english, 1989

67

Improved cross-axis synchronous flow-through coil planet centrifuge for performing counter-current chromatography : II. Studies on retention of stationary phase in short coils and preparative separations in multilayer coils

Molina Bhatnagar, Hisao Oka, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 977 KB

english, 1989

68

Improvement of chemical analysis of antibiotics : VI. Detection reagents for tetracyclines in thin-layer chromatography

Hisao Oka, Keiichi Uno, Ken-Ichi Harada, Mika Hayashi, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1984

Langue:

english

Fichier:

PDF, 596 KB

english, 1984

69

Improved high-speed counter-current chromatograph with three multilayer coils connected in series : I. Design of the apparatus and performance of semipreparative columns in 2,4-dinitrophenyl amino acid separation

Yoichiro Ito, Hisao Oka, Jimmie L. Slemp

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 625 KB

english, 1989

70

Isolation of bacitracins A and F by high-speed counter-current chromatography

Ken-Ichi Harada, Yoshitomo Ikai, Yumiko Yamazaki, Hisao Oka, Makoto Suzuki, Hiroyuki Nakazawa, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1991

Langue:

english

Fichier:

PDF, 572 KB

english, 1991

71

Foam counter-current chromatography of bacitracin : II. Continuous removal and concentration of hydrophobic components with nitrogen gas and distilled water free of surfactants or other additives

Hisao Oka, Ken-Ichi Harada, Makoto Suzuki, Hiroyuki Nakazawa, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1991

Langue:

english

Fichier:

PDF, 349 KB

english, 1991

72

Purification of food color red no. 106 (acid red) using high-speed counter-current chromatography

Hisao Oka, Yoshitomo Ikai, Norihisa Kawamura, Junko Hayakawa, Masuo Yamada, Ken-Ichi Harada, Hideaki Murata, Makoto Suzuki, Hiroyuki Nakazawa, Sumiko Suzuki, Toshiharu Sakita, Masahiko Fujita, Yumie M

Journal:

Journal of Chromatography A

Année:

1991

Langue:

english

Fichier:

PDF, 487 KB

english, 1991

73

Improvement of chemical analysis of antibiotics: V. A simple method for the analysis of tetracyclines using reversed-phase high-performance liquid chromatography

Hisao Oka, Keiichi Uno, Ken-Ichi Harada, Keiko Yasaka, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1984

Langue:

english

Fichier:

PDF, 563 KB

english, 1984

74

Foam counter-current chromatography of bacitracin : I. Batch separation with nitrogen and water free of additives

Hisao Oka, Ken-Ichi Harada, Makoto Suzuki, Hiroyuki Nakazawa, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1989

Langue:

english

Fichier:

PDF, 521 KB

english, 1989

75

Improvement of chemical analysis of antibiotics : XI. Simultaneous fluorodensitometric determination of polyether antibiotics

Hirohiko Asukabe, Hiromi Yoneyama, Yuji Mori, Ken-Ichi Harada, Makoto Suzuki, Hisao Oka

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 756 KB

english, 1987

76

Improvement of chemical analysis of antibiotics : X. Determination of eight tetracyclines using thin-layer and high-performance liquid chromatography

Hisao Oka, Yoshimoto Ikai, Norihisa Kawamura, Keiichi Uno, Masuo Yamada, Ken-Ichi Harada, Machiko Uchiyama, Hirohiko Asukabe, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 820 KB

english, 1987

77

Improvement of chemical analysis of antibiotics : IX. A simple method for residual tetracyclines analysisin honey using a tandem cartridge clean-up system

Hisao Oka, Yoshitomo Ikai, Norihisa Kawamura, Keiichi Uno, Masuo Yamada, Ken-Ichi Harada, Machiko Uchiyama, Hirohiko Asukabe, Yuji Mori, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1987

Langue:

english

Fichier:

PDF, 570 KB

english, 1987

78

Improvement of chemical analysis of antibiotics : XVII. Application of an amino cartridge to the determination of residual sulphonamide antibacterials in meat, fish and egg

Yoshitomo Ikai, Hisao Oka, Norihisa Kawamura, Junko Hayakawa, Masuo Yamada, Ken-ichi Harada, Makoto Suzuki, Hiroyuki Nakazawa

Journal:

Journal of Chromatography A

Année:

1991

Langue:

english

Fichier:

PDF, 569 KB

english, 1991

79

Improvement of chemical analysis of antibiotics : VII. Comparison of analytical methods for determination of impurities in tetracycline pharmaceutical preparations

Hisao Oka, Makoto Suzuki

Journal:

Journal of Chromatography A

Année:

1984

Langue:

english

Fichier:

PDF, 513 KB

english, 1984

80

Purification of quinoline yellow components using high-speed counter-current chromatography by stepwise increasing the flow-rate of the mobile phase

Hisao Oka, Ken-Ichi Harada, Masanao Suzuki, Kiyonaga Fujii, Masato Iwaya, Yuko Ito, Tomomi Goto, Hiroshi Matsumoto, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

2003

Langue:

english

Fichier:

PDF, 404 KB

english, 2003

81

Separation of antibiotics by counter-current chromatography

Hisao Oka, Ken-ichi Harada, Yuko Ito, Yoichiro Ito

Journal:

Journal of Chromatography A

Année:

1998

Langue:

english

Fichier:

PDF, 453 KB

english, 1998

82

Mass spectrometric analysis of tetracycline antibiotics in foods

Hisao Oka, Yuko Ito, Yoshitomo Ikai, Tadaaki Kagami, Ken-ichi Harada

Journal:

Journal of Chromatography A

Année:

1998

Langue:

english

Fichier:

PDF, 282 KB

english, 1998

83

Separation of lac dye components by high-speed counter-current chromatography

Hisao Oka, Yuko Ito, Sadaji Yamada, Tadaaki Kagami, Junko Hayakawa, Ken-ichi Harada, Eiichiro Atsumi, Masanao Suzuki, Makoto Suzuki, Hiroko Odani, Setsuko Akahori, Kenji Maeda, Hiroyuki Nakazawa, Yoic

Journal:

Journal of Chromatography A

Année:

1998

Langue:

english

Fichier:

PDF, 194 KB

english, 1998

84

Application of ion-exchange cartridge clean-up in food analysis: II. Determination of benzylpenicillin, phenoxymethylpenicillin, oxacillin, cloxacillin, nafcillin and dicloxacillin in meat using liquid chromatography with ultraviolet detection

Yuko Ito, Yoshitomo Ikai, Hisao Oka, Tadaaki Kagami, Kazue Takeba

Journal:

Journal of Chromatography A

Année:

1999

Langue:

english

Fichier:

PDF, 124 KB

english, 1999

85

Further application of advanced Marfey's method for determination of absolute configuration of primary amino compound

Kiyonaga Fujii, Tomoe Shimoya, Yoshitomo Ikai, Hisao Oka, Ken-ichi Harada

Journal:

Tetrahedron Letters

Année:

1998

Langue:

english

Fichier:

PDF, 236 KB

english, 1998

86

Improvement of chemical analysis of antibiotics: XXIII. Identification of residual tetracyclines in bovine tissues by electrospray high-performance liquid chromatography–tandem mass spectrometry

Hisao Oka, Yoshitomo Ikai, Yuko Ito, Junko Hayakawa, Ken-ichi Harada, Makoto Suzuki, Hiroko Odani, Kenji Maeda

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Année:

1997

Langue:

english

Fichier:

PDF, 835 KB

english, 1997

87

Simultaneous determination of residual tetracyclines in foods by high-performance liquid chromatography with atmospheric pressure chemical ionization tandem mass spectrometry

Hiroyuki Nakazawa, Shigeru Ino, Kayoko Kato, Takaho Watanabe, Yuko Ito, Hisao Oka

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Année:

1999

Langue:

english

Fichier:

PDF, 270 KB

english, 1999

88

Histopathology of a human allografted kidney with clinically sufficient function

Kohei Shomori, Itaru Kuratate, Takashi Sakatani, Ken Takeuchi, Kaikyu Tei, Makoto Mannami, Akihiko Toshino, Akihiro Oka, Hiroji Ohoka, Hisao Ito

Journal:

Clinical Transplantation

Année:

2000

Langue:

english

Fichier:

PDF, 221 KB

english, 2000

89

Photochemistry and photocuring properties of thiol-substituted α-aminoalkylphenone as radical photoinitiator

Hisatoshi Kura, Hidetaka Oka, Masaki Ohwa, Tadayoshi Matsumura, Akira Kimura, Yohei Iwasaki, Teruhisa Ohno, Michio Matsumura, Hisao Murai

Journal:

Journal of Polymer Science Part B: Polymer Physics

Année:

2005

Langue:

english

Fichier:

PDF, 204 KB

english, 2005

90

Development of a condensation technique for thin-layer chromatography/fast-atom bombardment mass spectrometry of non-visible compounds

Hisao Oka, Yoshitomo Ikai, Fumio Kondo, Norihisa Kawamura, Junko Hayakawa, Katsuyoshi Masuda, Ken-Ichi Harada, Makoto Suzuki

Journal:

Rapid Communications in Mass Spectrometry

Année:

1992

Langue:

english

Fichier:

PDF, 529 KB

english, 1992

91

Accuracy analysis of three-dimensional bone surface models of the forearm constructed from multidetector computed tomography data

Kunihiro Oka, Tsuyoshi Murase, Hisao Moritomo, Akira Goto, Kazuomi Sugamoto, Hideki Yoshikawa

Journal:

The International Journal of Medical Robotics and Computer Assisted Surgery

Année:

2009

Langue:

english

Fichier:

PDF, 357 KB

english, 2009

92

Corrective osteotomy using customized hydroxyapatite implants prepared by preoperative computer simulation

Kunihiro Oka, Tsuyoshi Murase, Hisao Moritomo, Akira Goto, Kazuomi Sugamoto, Hideki Yoshikawa

Journal:

The International Journal of Medical Robotics and Computer Assisted Surgery

Année:

2010

Langue:

english

Fichier:

PDF, 267 KB

english, 2010

93

Determination of Phthalates in Diet and Bedding for Experimental Animals Using Gas Chromatography-Mass Spectrometry

Fumio Kondo, Masanao Okumura, Hisao Oka, Hiroyuki Nakazawa, Shun-ichiro Izumi, Tsunehisa Makino

Journal:

Bulletin of Environmental Contamination and Toxicology

Année:

2010

Langue:

english

Fichier:

PDF, 195 KB

english, 2010

94

Biomedical mass spectrometry

Mitsutoshi Setou, Hisao Oka

Journal:

Analytical and Bioanalytical Chemistry

Année:

2011

Langue:

english

Fichier:

PDF, 76 KB

english, 2011

95

Oct6, a transcription factor controlling myelination, is a marker for active nerve regeneration in peripheral neuropathies

Teruaki Kawasaki, Nobuyuki Oka, Hisao Tachibana, Ichiro Akiguchi, Hiroshi Shibasaki

Journal:

Acta Neuropathologica

Année:

2003

Langue:

english

Fichier:

PDF, 366 KB

english, 2003

96

Correction of severe wrist deformity following physeal arrest of the distal radius with the aid of a three-dimensional computer simulation

Tsuyoshi Murase, Kunihiro Oka, Hisao Moritomo, Akira Goto, Kazuomi Sugamoto, Hideki Yoshikawa

Journal:

Archives of Orthopaedic and Trauma Surgery

Année:

2009

Langue:

english

Fichier:

PDF, 529 KB

english, 2009

97

Accuracy of corrective osteotomy using a custom-designed device based on a novel computer simulation system

Kunihiro Oka, Tsuyoshi Murase, Hisao Moritomo, Akira Goto, Ryoji Nakao, Kazuomi Sugamoto, Hideki Yoshikawa

Journal:

Journal of Orthopaedic Science

Année:

2011

Langue:

english

Fichier:

PDF, 622 KB

english, 2011

98

Analysis of crude drugs using reversed-phase TLC/scanning densitometry. (II) Identification of ginseng, red ginseng, gentian, Japanese gentian, pueraria root, gardenia fruit, schisandra fruit and ginger

Tsutomu Ohno, Eiichi Mikami, Hisao Oka

Journal:

Journal of Natural Medicines

Année:

2006

Langue:

english

Fichier:

PDF, 203 KB

english, 2006

99

Morphologic Evaluation of Chronic Radial Head Dislocation: Three-dimensional and Quantitative Analyses

Kunihiro Oka, Tsuyoshi Murase, Hisao Moritomo, Kazuomi Sugamoto, Hideki Yoshikawa

Journal:

Clinical Orthopaedics and Related Research®

Année:

2010

Langue:

english

Fichier:

PDF, 346 KB

english, 2010

100

Improvement of chemical analysis of antibiotics: XX. Basic study on high-performance liquid chromatographic determination of four polyether antibiotics pre-derivatized with 1-bromoacetylpyrene

Hirohiko Asukabe, Hideaki Murata, Ken-Ichi Harada, Makoto Suzuki, Hisao Oka, Yoshitomo Ikai

Journal:

Journal of Chromatography A

Année:

1993

Langue:

english

Fichier:

PDF, 657 KB

english, 1993