Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Kazutoku Ohta"'
Autor:
Taizo Ono, Kazutoku Ohta
Publikováno v:
Journal of Fluorine Chemistry. 167:198-202
Charge transfer interaction of a persistent perfluoroalkyl radical, perfluoro-3-ethyl-2,4-dimethyl-3-pentyl (PFR-1), with benzene and methyl substituted benzenes (toluene, m -xylene, mesitylene), 1-decene, and diethyl ether was investigated by UV–v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39545323177116560932370bb1994ef9
https://doi.org/10.1016/j.jfluchem.2014.07.034
https://doi.org/10.1016/j.jfluchem.2014.07.034
Publikováno v:
The Journal of Physical Chemistry C. 113:11086-11094
Real-time ESR observations have been made on the aqueous solutions of di-tert-butyl nitroxide and 2,2,6,6-tetramethylpiperidine-1-oxyl-4-ol flowing in a quartz column of 0.81 mm ⌀ packed with well-dried MCM-41. In both systems, the ESR spectrum is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61329269a8e969ea7fb7549943fa2e94
https://doi.org/10.1021/jp901908z
https://doi.org/10.1021/jp901908z
Autor:
Myung Ho Hyun, Ji Yeon Park, Kwang-Pill Lee, Jung Whan Lee, Chuzo Fujimoto, Toyohide Takeuchi, Jae Jeong Ryoo, Jiye Jin, Seong-Ho Choi, Kazutoku Ohta, Young-Ae Song
Publikováno v:
Bulletin of the Korean Chemical Society. 27:524-528
Three different style capillary columns, a packed capillary with temporary quartz wool frit, a packed capillary with immobilized frit, and an immobilized packed-capillary, were easily prepared with a commercially available (S)-N-(3,5-dinitro-benzoyl)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ffce2395822ca1884edc62feaa311e68
https://doi.org/10.5012/bkcs.2006.27.4.524
https://doi.org/10.5012/bkcs.2006.27.4.524
Autor:
Toru Tuziuti, Kazutoku Ohta, Teruyuki Kozuka, Manickam Sivakumar, Kyuichi Yasui, Yasuo Iida, Atsuya Towata
Publikováno v:
e-Journal of Surface Science and Nanotechnology. 3:405-411
Bimodal (meso/macro) porous alumina materials were synthesized using yeast cells as bio-templates. Aluminium isopropoxide (AIP) modified with triethanolamine (TEA) was first hydrolyzed by water containing the dispersed yeast cells. This resulted in t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb3241cdb2c9397f092f060dae3672d6
https://doi.org/10.1380/ejssnt.2005.405
https://doi.org/10.1380/ejssnt.2005.405
Autor:
Chuzo Fujimoto, Toyohide Takeuchi, Ji-Ye Jin, Seong-Ho Choi, Kwang-Pill Lee, Jae Jeong Ryoo, Masayoshi Ohashi, Kazutoku Ohta
Publikováno v:
Journal of Chromatography A. 1039:179-186
Retention behavior of C1-C6, aliphatic monoamines (methylamine, ethylamine, propylamine, butylamine, amylamine and hexylamine) on columns (150 mm x 6 mm i.d.) packed with various anion-exchange resins (styrene-divinylbenzene (PS-DVB) copolymer-based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e402d5a14cd3bbc70e3eabd45678e77
https://doi.org/10.1016/j.chroma.2004.02.017
https://doi.org/10.1016/j.chroma.2004.02.017
Autor:
Kwang-Pill Lee, Seong-Ho Choi, Jiye Jin, Chuzo Fujimoto, Toyohide Takeuchi, Jae Jeong Ryoo, Hyun-Joo Noh, Yu-Ping Zhang, Kazutoku Ohta
Publikováno v:
Bulletin of the Korean Chemical Society. 25:377-381
Chiral separation of aryalcohols such as 1-phenyl-p ropanol, 1-phenyl-2-proanol, and 2-phenyl-1-propanol by capillary electrophoresis has been optimized using th e overlapping resolution mapping (ORM) scheme. Three critical parameters of the electrop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab75099f786a8f244048eec9fef73e3e
https://doi.org/10.5012/bkcs.2004.25.3.377
https://doi.org/10.5012/bkcs.2004.25.3.377
Autor:
Je-Jeong Ryoo, Ji-Ye Jin, Shinichi Masuoka, Kazutoku Ohta, Chuzo Fujimoto, Toyohide Takeuchi, Shinichi Tatsumi, Kwang-Pill Lee, Katsuaki Hirose, Hideyuki Uzu, Seong-Ho Choi
Publikováno v:
Journal of Chromatography A. 1021:55-59
Split flow and bypass flow systems were assembled using Nano Y Connectors with low dead volume commercially available for capillary liquid chromatography (LC). The split ratio could be controlled by changing the dimension of restriction tubing and ap
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::699bb7e1536fc3d8cc5121109cd58c10
https://doi.org/10.1016/j.chroma.2003.08.087
https://doi.org/10.1016/j.chroma.2003.08.087
Autor:
Yasumasa Takao, Shoji Kawakami, Keiji Kusumoto, Masayoshi Ohashi, Toyohide Takeuchi, Kazutoku Ohta, Atsuya Towata
Publikováno v:
Chromatographia. 58:171-175
Pure silica gel (Pia Seed 5S-60-SIL) has been investigated as a cation-exchange stationary phase for ion chromatography of common monovalent and divalent cations (Li+, Na+, NH4 +, K+, Mg2+, and Ca2+) with conductimetric detection; dilute oxalic acid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20af522971c600589fed8ac8e58a67b6
https://doi.org/10.1365/s10337-003-0033-7
https://doi.org/10.1365/s10337-003-0033-7
Publikováno v:
Journal of Chromatography A. 997:107-116
The application of C7 aliphatic carboxylic acids (heptanoic, 2-methylhexanoic, 5-methylhexanoic and 2,2-dimethyl-n-valeric acids) as eluents in ion-exclusion chromatography with conductimetric detection for C1-C6 aliphatic carboxylic acids (formic, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a1fb18087618070e1bea11ce9bcf5586
https://doi.org/10.1016/s0021-9673(03)00627-7
https://doi.org/10.1016/s0021-9673(03)00627-7
Autor:
Chuzo Fujimoto, Toyohide Takeuchi, Seong-Ho Choi, Tae Hyuk Kim, Kwang-Pill Lee, Jae Jeong Ryoo, Kazutoku Ohta, Soo-Yeon Kim, Jiye Jin
Publikováno v:
Journal of Chromatography A. 987:111-118
Two-type polymeric chiral stationary phases (pCSPs) were prepared by surface grafting of chiral acryl-type monomers on a silica gel surface modified with 3-(trimethoxysilyl)propylmethacrylate. The prepared pCSPs were characterized by IR, Fr-Raman, sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c74c3ca070b6f4dd83f9738495dbcaa
https://doi.org/10.1016/s0021-9673(02)01462-0
https://doi.org/10.1016/s0021-9673(02)01462-0