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Yoshio Okamoto

This is a preview profile on BiomedExperts - the first literature-based scientific social network. It brings the right researchers together and allows them to collaborate online. Collexis and Dell provide the BiomedExperts network of +1.5 Million pre-calculated profiles free of charge to researchers worldwide.

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Chemicals & Drugs

Procedures

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Carbohydrate Conformation

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Co-Publications
Name
25
Yamamoto, Chiyo
15
Chankvetadze, Bezhan
12
Kamigaito, Masami
10
Yashima, Eiji
9
Ikai, Tomoyuki
4
Habaue, Shigeki
4
Kartozia, Irma
4
Blaschke, Gottfried
3
Kubota, Takateru
3
Nakanishi, Kazuki
3
Satoh, Kotaro
3
Tanaka, Nobuo
2
Sato, Takahiro
2
Maeda, Katsuhiro
2
Morino, Kazuhide

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Publications

TOP 3
Ikai Tomoyuki; Okamoto Yoshio
Structure control of polysaccharide derivatives for efficient separation of enantiomers by chromatography.
Ishitake Kenji; Satoh Kotaro; Kamigaito Masami; Okamoto Yoshio
Stereogradient polymers formed by controlled/living radical polymerization of bulky methacrylate monomers.
Okamoto Yoshio; Ikai Tomoyuki
Chiral HPLC for efficient resolution of enantiomers.

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All Publications

2009: Ikai Tomoyuki; Okamoto Yoshio
Structure control of polysaccharide derivatives for efficient separation of enantiomers by chromatography.
Chemical reviews 2009;109(11):6077-101.
2009: Ishitake Kenji; Satoh Kotaro; Kamigaito Masami; Okamoto Yoshio
Stereogradient polymers formed by controlled/living radical polymerization of bulky methacrylate monomers.
Angewandte Chemie (International ed. in English) 2009;48(11):1991-4.
2008: Okamoto Yoshio; Ikai Tomoyuki
Chiral HPLC for efficient resolution of enantiomers.
Chemical Society reviews 2008;37(12):2593-608.
2008: Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Immobilized-type chiral packing materials for HPLC based on polysaccharide derivatives.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2008;875(1):2-11.
2008: Tang Shouwan; Okamoto Yoshio
Immobilization of cellulose phenylcarbamate onto silica gel via in termolecular polycondensation of triethoxysilyl groups introduced with (3-glycidoxypropyl)triethoxysilane.
Journal of separation science 2008;31(18):3133-8.
2008: Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Organic-inorganic hybrid materials for efficient enantioseparation using cellulose 3,5-dimethylphenylcarbamate and tetraethyl orthosilicate.
Chemistry, an Asian journal 2008;3(8-9):1494-9.
2008: Yamamoto Chiyo; Fujisawa Mari; Kamigaito Masami; Okamoto Yoshio
Enantioseparation using urea- and imide-bearing chitosan phenylcarbamate derivatives as chiral stationary phases for high-performance liquid chromatography.
Chirality 2008;20(3-4):288-94.
2007: Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Immobilization of polysaccharide derivatives onto silica gel Facile synthesis of chiral packing materials by means of intermolecular polycondensation of triethoxysilyl groups.
Journal of chromatography. A 2007;1157(1-2):151-8.
2007: Ikail Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Preparation and chiral recognition ability of crosslinked beads of polysaccharide derivatives.
Journal of separation science 2007;30(7):971-8.
2007: Miura Yu; Kaneko Takeshi; Satoh Kotaro; Kamigaito Masami; Jinnai Hiroshi; Okamoto Yoshio
AxBAx-type block-graft polymers with soft methacrylate middle segments and hard styrene outer grafts: synthesis, morphology, and mechanical properties.
Chemistry, an Asian journal 2007;2(5):662-72.
2007: Chen Xiaoming; Okamoto Yoshio; Yano Tomohiro; Otsuki Joe
Direct enantiomeric separations of tris(2-phenylpyridine) iridium (III) complexes on polysaccharide derivative-based chiral stationary phases.
Journal of separation science 2007;30(5):713-6.
2007: Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Immobilized polysaccharide derivatives: chiral packing materials for efficient HPLC resolution.
Chemical record (New York, N.Y.) 2007;7(2):91-103.
2006: Miura Yu; Shibata Takuya; Satoh Kotaro; Kamigaito Masami; Okamoto Yoshio
Stereogradient polymers by ruthenium-catalyzed stereospecific living radical copolymerization of two monomers with different stereospecificities and reactivities.
Journal of the American Chemical Society 2006;128(50):16026-7.
2006: Chankvetadze Bezhan; Kubota Takateru; Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Tanaka Nobuo; Nakanishi Kazuki; Okamoto Yoshio
High-performance liquid chromatographic enantioseparations on capillary columns containing crosslinked polysaccharide phenylcarbamate derivatives attached to monolithic silica.
Journal of separation science 2006;29(13):1988-95.
2006: Chen Xiao-Ming; Yamamoto Chiyo; Okamoto Yoshio
One-pot synthesis of polysaccharide 3,5-dimethylphenylcarbamates having a random vinyl group for immobilization on silica gel as chiral stationary phases.
Journal of separation science 2006;29(10):1432-9.
2006: Yamamoto Chiyo; Inagaki Shinji; Okamoto Yoshio
Enantioseparation using alkoxyphenylcarbamates of cellulose and amylose as chiral stationary phase for high-performance liquid chromatography.
Journal of separation science 2006;29(6):915-23.
2006: Chankvetadze Bezhan; Yamamoto Chiyo; Kamigaito Masami; Tanaka Nobuo; Nakanishi Kazuki; Okamoto Yoshio
High-performance liquid chromatographic enantioseparations on capillary columns containing monolithic silica modified with amylose tris(3,5-dimethylphenylcarbamate).
Journal of chromatography. A 2006;1110(1-2):46-52.
2006: Chen Xiao-Ming; Yamamoto Chiyo; Okamoto Yoshio
Influence of vinyl monomers and temperature on immobilization of cellulose 3,5-dimethylphenylcarbamate onto silica gel as chiral stationary phases for high-performance liquid chromatography.
Journal of chromatography. A 2006;1104(1-2):62-8.
2005: Ikai Tomoyuki; Yamamoto Chiyo; Kamigaito Masami; Okamoto Yoshio
Enantioseparation by HPLC using phenylcarbonate, benzoylformate, p-toluenesulfonylcarbamate, and benzoylcarbamates of cellulose and amylose as chiral stationary phases.
Chirality 2005;17(6):299-304.
2004: Chankvetadze Bezhan; Yamamoto Chiyo; Tanaka Nobuo; Nakanishi Kazuki; Okamoto Yoshio
High-performance liquid chromatographic enantioseparations on capillary columns containing monolithic silica modified with cellulose tris(3,5-dimethylphenylcarbamate).
Journal of separation science 2004;27(10-11):905-11.
2004: Chankvetadze Bezhan; Ikai Tomoyuki; Yamamoto Chiyo; Okamoto Yoshio
High-performance liquid chromatographic enantioseparations on monolithic silica columns containing a covalently attached 3,5-dimethylphenylcarbamate derivative of cellulose.
Journal of chromatography. A 2004;1042(1-2):55-60.
2004: Kubota Takateru; Yamamoto Chiyo; Okamoto Yoshio
Reversed-phase liquid chromatographic enantioseparation by cycloalkylcarboxylates of cellulose and amylose.
Chirality 2004;16(5):309-13.
2004: Maeda Katsuhiro; Morino Kazuhide; Okamoto Yoshio; Sato Takahiro; Yashima Eiji
Mechanism of helix induction on a stereoregular Poly((4-carboxyphenyl)acetylene) with chiral amines and memory of the macromolecular helicity assisted by interaction with achiral amines.
Journal of the American Chemical Society 2004;126(13):4329-42.
2004: Yamamoto Chiyo; Okamoto Yoshio
Chiral separation by HPLC using polysaccharide-based chiral stationary phases.
Methods in molecular biology (Clifton, N.J.) 2004;243():173-81.
2003: Yamamoto Chiyo; Hayashi Tomoko; Okamoto Yoshio
High-performance liquid chromatographic enantioseparation using chitin carbamate derivatives as chiral stationary phases.
Journal of chromatography. A 2003;1021(1-2):83-91.
2003: Hoshikawa Naohiro; Hotta Yuji; Okamoto Yoshio
Stereospecific radical polymerization of N-triphenylmethylmethacrylamides leading to highly isotactic helical polymers.
Journal of the American Chemical Society 2003;125(41):12380-1.
2003: Chankvetadze Bezhan; Kartozia Irma; Yamamoto Chiyo; Okamoto Yoshio; Blaschke Gottfried
Comparative study on the application of capillary liquid chromatography and capillary electrochromatography for investigation of enantiomeric purity of the contraceptive drug levonorgestrel.
Journal of pharmaceutical and biomedical analysis 2003;30(6):1897-906.
2003: Kubota Takateru; Yamamoto Chiyo; Okamoto Yoshio
Preparation of chiral stationary phase for HPLC based on immobilization of cellulose 3,5-dimethylphenylcarbamate derivatives on silica gel.
Chirality 2003;15(1):77-82.
2003: Matsumoto Kozo; Ajiro Hiroharu; Habaue Shigeki; Okamoto Yoshio
Detection of inorganic species by chemical reaction laser desorption ionization mass spectrometry.
Rapid communications in mass spectrometry : RCM 2003;17(7):678-84.
2002: Morino Kazuhide; Maeda Katsuhiro; Okamoto Yoshio; Yashima Eiji; Sato Takahiro
Temperature dependence of helical structures of poly(phenylacetylene) derivatives bearing an optically active substituent.
Chemistry (Weinheim an der Bergstrasse, Germany) 2002;8(22):5112-20.
2002: Yamamoto Chiyo; Yashima Eiji; Okamoto Yoshio
Structural analysis of amylose tris(3,5-dimethylphenylcarbamate) by NMR relevant to its chiral recognition mechanism in HPLC.
Journal of the American Chemical Society 2002;124(42):12583-9.
2002: Goto Hidetoshi; Okamoto Yoshio; Yashima Eiji
Metal-induced supramolecualr chirality in an optically active polythiophene aggregate.
Chemistry (Weinheim an der Bergstrasse, Germany) 2002;8(17):4027-36.
2002: Kubota Takateru; Yamamoto Chiyo; Okamoto Yoshio
Chromatographic enantioseparation by cycloalkylcarbamate derivatives of cellulose and amylose.
Chirality 2002;14(5):372-6.
2002: Chankvetadze Lali; Kartozia Irma; Yamamoto Chiyo; Chankvetadze Bezhan; Blaschke Gottfried; Okamoto Yoshio
Enantioseparations in nonaqueous capillary liquid chromatography and capillary electrochromatography using cellulose tris(3,5-dimethylphenylcarbamate) as chiral stationary phase.
Electrophoresis 2002;23(3):486-93.
2002: Chankvetadze Bezhan; Kartozia Irma; Yamamoto Chiyo; Okamoto Yoshio
Comparative enantioseparation of selected chiral drugs on four different polysaccharide-type chiral stationary phases using polar organic mobile phases.
Journal of pharmaceutical and biomedical analysis 2002;27(3-4):467-78.
2002: Matsumoto Kozo; Ajiro Hiroharu; Habaue Shigeki; Okamoto Yoshio
Detection of solid cobalt species by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.
Rapid communications in mass spectrometry : RCM 2002;16(7):730-2.
2001: Chankvetadze B; Kartozia I; Breitkreutz J; Okamoto Y; Blaschke G
Effect of organic solvent, electrolyte salt and a loading of cellulose tris (3,5-dichlorophenyl-carbamate) on silica gel on enantioseparation characteristics in capillary electrochromatography.
Electrophoresis 2001;22(15):3327-34.
2001: Chankvetadze B; Yamamoto C; Okamoto Y
Enantioseparation of selected chiral sulfoxides using polysaccharide-type chiral stationary phases and polar organic, polar aqueous-organic and normal-phase eluents.
Journal of chromatography. A 2001;922(1-2):127-37.
2001: Isobe Y; Fujioka D; Habaue S; Okamoto Y
Efficient Lewis acid-catalyzed stereocontrolled radical polymerization of acrylamides.
Journal of the American Chemical Society 2001;123(29):7180-1.
2001: Habaue S; Okamoto Y
Stereocontrol in radical polymerization.
Chemical record (New York, N.Y.) 2001;1(1):46-52.
2000: Chankvetadze B; Yamamoto C; Okamoto Y
Enantioseparations using cellulose tris(3,5-dichlorophenylcarbamate) during high-performance liquid chromatography with analytical and capillary columns: potential for screening of chiral compounds.
Combinatorial chemistry & high throughput screening 2000;3(6):497-508.
2000: Goto H; Yashima E; Okamoto Y
Unusual solvent effects on chiroptical properties of an optically active regioregular polythiophene in solution.
Chirality 2000;12(5-6):396-9.
1999: Krause K; Chankvetadze B; Okamoto Y; Blaschke G
Chiral separations in capillary high-performance liquid chromatography and nonaqueous capillary electrochromatography using helically chiral poly(diphenyl-2-pyridylmethyl methacrylate) as chiral stationary phase.
Electrophoresis 1999;20(13):2772-8.
1998: Chankvetadze B; Saito M; Yashima E; Okamoto Y
Enantioseparation of atropisomeric 1,1'-binaphthyl-2,2'-diyl hydrogen phosphate in capillary electrophoresis by using di- and oligosaccharides as chiral selectors: di- and oligosaccharide chiral selectors in capillary electrophoresis.
Chirality 1998;10(1-2):134-9.
1997: Chankvetadze B; Saito M; Yashima E; Okamoto Y
Enantioseparation using selected polysaccharides as chiral buffer additives in capillary electrophoresis.
Journal of chromatography. A 1997;773(1-2):331-8.
1996: Chankvetadze B; Chankvetadze L; Sidamonidze S; Yashima E; Okamoto Y
High performance liquid chromatography enantioseparation of chiral pharmaceuticals using tris(chloro-methylphenylcarbamate)s of cellulose.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1295-303.
1995: Chankvetadze B; Chankvetadze L; Sidamonidze S; Yashima E; Okamoto Y
Enantioseparation of some chiral pharmaceuticals using narrow-bore liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1995;13(4-5):695-9.
1995: Yashima E; Yamada M; Kaida Y; Okamoto Y
Computational studies on chiral discrimination mechanism of cellulose trisphenylcarbamate.
Journal of chromatography. A 1995;694(2):347-54.
1991: Miyazima K; Matsubara T; Nakao M; Iyeda N; Nishida T; Okamoto Y; Itoh K; Kambe T; Nakamura S; Sakamoto N
Ischemic myocardial mitochondrial function and ultrastructural change--influence of regional myocardial blood flow.
Japanese circulation journal 1991;55(7):714-20.
1990: Okamoto Y; Matsubara T; Iyeda N; Miyajima K; Iida K; Nishida T; Kobayashi S; Kakinuma Y; Itoh K; Hibi N
Beneficial effect of nipradilol (K-351) on acute myocardial ischemia. Study of the relationship between regional myocardial blood flow and energy metabolism.
Japanese journal of pharmacology 1990;52(2):371-7.

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