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原著論文

122 entries « 2 of 3 »

2011

Takasaki, Yuka; Watanabe, Masaki; Yukawa, Hiroshi; Sabarudin, Akhmad; Inagaki, Kazumi; Kaji, Noritada; Okamoto, Yukihiro; Tokeshi, Manabu; Miyamoto, Yoshitaka; Noguchi, Hirofumi; Umemura, Tomonari; Hayashi, Shuji; Baba, Yoshinobu; Haraguchi, Hiroki.

Estimation of the Distribution of Intravenously Injected Adipose Tissue-Derived Stem Cells Labeled with Quantum Dots in Mice Organs through the Determination of their Metallic Components by ICPMS. Journal Article

In: Analytical Chemistry (Washington, DC, United States), vol. 83, no. 21, pp. 8252–8258, 2011, ISSN: 0003-2700.

Abstract | Links | BibTeX

Shu, Shin; Kobayashi, Hiroharu; Kojima, Norihisa; Sabarudin, Akhmad; Umemura, Tomonari.

Preparation and characterization of lauryl methacrylate-based monolithic microbore column for reversed-phase liquid chromatography. Journal Article

In: Journal of Chromatography A, vol. 1218, no. 31, pp. 5228–5234, 2011, ISSN: 0021-9673.

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Sabarudin, Akhmad; Umemura, Tomonari; Motomizu, Shoji.

Chitosan functionalized with di-2-propanolamine - Its application as solid phase extractant for the determination of germanium in water samples by ICP-MS. Journal Article

In: Microchemical Journal, vol. 99, no. 1, pp. 34–39, 2011, ISSN: 0026-265X.

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Bratescu, Maria Antoneta; Hieda, Junko; Umemura, Tomonari; Saito, Nagahiro; Takai, Osamu.

Analysis of organic pollutant degradation in pulsed plasma by coherent anti-Stokes Raman spectroscopy. Journal Article

In: Journal of Vacuum Science & Technology, A: Vacuum, Surfaces, and Films, vol. 29, no. 3, pp. 031302/1–031302/7, 2011, ISSN: 0734-2101.

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Kumano, Naomi; Seki, Takahiro; Ishii, Masahiko; Nakamura, Hiroshi; Umemura, Tomonari; Takeoka, Yukikazu.

Multicolor Polymer-Dispersed Liquid Crystal. Journal Article

In: Advanced Materials (Weinheim, Germany), vol. 23, no. 7, pp. 884–888, 2011, ISSN: 0935-9648.

Abstract | Links | BibTeX

2010

Imai, Takehito; Niwa, Masanao; Kawamura, Hideto; Umemura, Tomonari; Kimura, Masaru; Nakano, Takashi.

The dyeing mechanism of oxidative hair color in white and black human hair. Journal Article

In: Nippon Keshohin Gijutsusha Kaishi, vol. 44, no. 3, pp. 208–215, 2010, ISSN: 0387-5253.

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Koide, Hirotaka; Nagao, Yuki; Koumoto, Kunihito; Takasaki, Yuka; Umemura, Tomonari; Kato, Takeharu; Ikuhara, Yuichi; Ohta, Hiromichi.

Electric field modulation of thermopower for transparent amorphous oxide thin film transistors. Journal Article

In: Applied Physics Letters, vol. 97, no. 18, pp. 182105/1–182105/3, 2010, ISSN: 0003-6951.

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Zhu, Yanbei; Itoh, Akihide; Umemura, Tomonari; Haraguchi, Hiroki; Inagaki, Kazumi; Chiba, Koichi.

Determination of REEs in natural water by ICP-MS with the aid of an automatic column changing system. Journal Article

In: Journal of Analytical Atomic Spectrometry, vol. 25, no. 8, pp. 1253–1258, 2010, ISSN: 0267-9477.

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Rahmi, Dwinna; Takasaki, Yuka; Zhu, Yanbei; Kobayashi, Hiroharu; Konagaya, Shigeji; Haraguchi, Hiroki; Umemura, Tomonari.

Preparation of monolithic chelating adsorbent inside a syringe filter tip for solid phase microextraction of trace elements in natural water prior to their determination by ICP-MS. Journal Article

In: Talanta, vol. 81, no. 4-5, pp. 1438–1445, 2010, ISSN: 0039-9140.

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Fujiwara, Kitao; Osako, Yuta; Sasaki, Takana; Kumata, Hidetoshi; Aoki, Motohide; Kawashima, Norio.

Construction of photo-decomposer for organic compounds in natural water and evaluation of its performance by chemiluminescence. Journal Article

In: Bunseki Kagaku, vol. 59, no. 11, pp. 1021–1028, 2010, ISSN: 0525-1931.

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2009

Umemura, Tomonari; Kobayshi, Hiroharu.

Development of comprehensive two-dimensional HPLC system for protein analysis. Journal Article

In: Chromatography, vol. 30, no. Suppl. 1, pp. 43–44, 2009, ISSN: 1342-8284.

Abstract | BibTeX

Hotta, Hiroki; Mori, Takayuki; Takahashi, Akira; Kogure, Yuta; Johno, Keita; Umemura, Tomonari; Tsunoda, Kin-ichi.

Quantification of Trace Elements in Natural Samples by Electrospray Ionization Mass Spectrometry with a Size-Exclusion Column Based on the Formation of Metal-Aminopolycarboxylate Complexes. Journal Article

In: Analytical Chemistry (Washington, DC, United States), vol. 81, no. 15, pp. 6357–6363, 2009, ISSN: 0003-2700.

Abstract | Links | BibTeX

Zhu, Yanbei; Umemura, Tomonari; Haraguchi, Hiroki; Inagaki, Kazumi; Chiba, Koichi.

Determination of REEs in seawater by ICP-MS after on-line preconcentration using a syringe-driven chelating column. Journal Article

In: Talanta, vol. 78, no. 3, pp. 891–895, 2009, ISSN: 0039-9140.

Abstract | Links | BibTeX

2008

Fujiwara, Kitao; Suematsu, Hitoshi; Kiyomiya, Emiko; Aoki, Motohide; Sato, Mamiko; Moritoki, Nobuko

Size-dependent toxicity of silica nano-particles to Chlorella kessleri. Journal Article

In: Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, vol. 43, no. 10, pp. 1167–73, 2008, ISSN: 1093-4529.

Abstract | Links | BibTeX

Umemura, Tomonari; Kojima, Norihisa; Ueki, Yuji

Development of high-throughput analysis system using highly-functional organic polymer monoliths Journal Article

In: BUNSEKI KAGAKU, vol. 57, no. 7, pp. 517–529, 2008, ISSN: 0525-1931.

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Imai, Takehito; Niwa, Masanao; Hasegawa, Takuya; Kawamura, Hideto; Umemura, Tomonari; Kimura, Masaru; Nakano, Takashi; Haraguchi, Hiroki.

The reaction of oxidative hair dyes in cuticle layers. Journal Article

In: Nippon Keshohin Gijutsusha Kaishi, vol. 42, no. 4, pp. 305–312, 2008, ISSN: 0387-5253.

Abstract | Links | BibTeX

Haraguchi, Hiroki; Ishii, Atsushi; Hasegawa, Takuya; Matsuura, Hirotaka; Umemura, Tomonari.

Metallomics study on all-elements analysis of salmon egg cells and fractionation analysis of metals in cell cytoplasm. Journal Article

In: Pure and Applied Chemistry, vol. 80, no. 12, pp. 2595–2608, 2008, ISSN: 0033-4545.

Abstract | Links | BibTeX

Rahmi, Dwinna; Zhu, Yanbei; Umemura, Tomonari; Haraguchi, Hiroki; Itoh, Akihide; Chiba, Koichi.

Determination of 56 elements in lake Baikal water by high-resolution ICP-MS with the aid of a tandem preconcentration method. Journal Article

In: Analytical Sciences, vol. 24, no. 11, pp. 1513–1517, 2008, ISSN: 0910-6340.

Abstract | Links | BibTeX

Rahmi, Dwinna; Zhu, Yanbei; Fujimori, Eiji; Hasegawa, Takuya; Umemura, Tomonari; Konagaya, Shigeji; Haraguchi, Hiroki.

An in-syringe La-coprecipitation method for the preconcentration of oxo-anion forming elements in seawater prior to an ICP-MS measurement. Journal Article

In: Analytical Sciences, vol. 24, no. 9, pp. 1189–1192, 2008, ISSN: 0910-6340.

Abstract | Links | BibTeX

Hotta, Hiroki; Wang, Qiang; Fukuda, Mioko; Aizawa, Shoichi; Umemura, Tomonari; Sekizawa, Kazutoshi; Tsunoda, Kin-ichi.

Identification of aluminum species in an aluminum-accumulating plant, hydrangea (Hydrangea macrophylla), by electrospray ionization mass spectrometry. Journal Article

In: Analytical Sciences, vol. 24, no. 6, pp. 795–798, 2008, ISSN: 0910-6340.

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Fujiwara, Kitao; Hirokawa, Shun; Aoki, Motohide.

Comparison of fluorescence correlation spectrometry with the ordinary fluorescence optical configuration with flow cytometry as a tool for micrometer-level size determination. Journal Article

In: Analytical Sciences, vol. 24, no. 12, pp. 1623–1627, 2008, ISSN: 0910-6340.

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Fujiwara, Kitao; Matsumoto, Yoshiko; Kawakami, Hayato; Aoki, Motohide; Tuzuki, Mikio

Evaluation of metal toxicity in Chlorella kessleri from the perspective of the periodic table Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 81, no. 4, pp. 478–488, 2008.

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2007

Rahmi, Dwinna; Zhu, Yanbei; Fujimori, Eiji; Umemura, Tomonari; Haraguchi, Hiroki.

Multielement determination of trace metals in seawater by ICP-MS with aid of down-sized chelating resin-packed minicolumn for preconcentration. Journal Article

In: Talanta, vol. 72, no. 2, pp. 600–606, 2007, ISSN: 0039-9140.

Abstract | Links | BibTeX

Hasegawa, Takuya; Wakita, Yoshinori; Zhu, Yanbei; Matsuura, Hirotaka; Haraguchi, Hiroki; Umemura, Tomonari.

Speciation of human serum proteins based on trace metal mapping analysis by CIM monolithic disk column HPLC/ICP-MS in complement with off-line MALDI-TOF-MS analysis. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 80, no. 3, pp. 503–506, 2007, ISSN: 0009-2673.

Abstract | Links | BibTeX

Hasegawa, Takuya; Ishise, Jotaro; Fukumoto, Yasuharu; Matsuura, Hirotaka; Zhu, Yanbei; Umemura, Tomonari; Haraguchi, Hiroki; Yamamoto, Kazuhito; Naoe, Tomoki.

Chemical speciation of arsenic species in human blood serum by liquid chromatography using a phosphatidylcholine-coated ODS column with detection by ICP-MS. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 80, no. 3, pp. 498–502, 2007, ISSN: 0009-2673.

Abstract | Links | BibTeX

Hasegawa, Takuya; Fukumoto, Yasuharu; Ishise, Jotaro; Hattori, Ryota; Zhu, Yanbei; Umemura, Tomonari; Haraguchi, Hiroki.

Separation characteristics of a phosphatidylcholine-coated ODS column for direct sample injection analysis of biological fluid samples. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 80, no. 2, pp. 329–334, 2007, ISSN: 0009-2673.

Abstract | Links | BibTeX

Yang, Bingcheng; Takeuchi, Masaki; Dasgupta, Purnendu K; Umemura, Tomonari; Ueki, Yuji; Tsunoda, Kin-Ichi.

Tailoring elution of tetraalkylammonium ions. Ideal electrostatic selectivity elution order on a polymeric ion exchanger. Journal Article

In: Analytical Chemistry, vol. 79, no. 2, pp. 769–772, 2007, ISSN: 0003-2700.

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Fujiwara, Kitao; Hirokawa, Shun; Aoki, Motohide.

Optical parameter dependence of fluorescence correlation spectrometry without using magnification tools. Journal Article

In: Analytical Sciences, vol. 23, no. 10, pp. 1237–1239, 2007, ISSN: 0910-6340.

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Fujiwara, Kitao; Ishige, Yuko; Inoue, Yu-Ichi; Taigo, Sunao; Sasaki, Takana; Aoki, Motohide; Shirasaki, Hidekazu; Furuno, Masahiro.

Effects of derivaization on solar-induced decomposition of polycyclic aromatic hydrocarbons in aqueous media Journal Article

In: Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, vol. 42, no. 3, pp. 225–2230, 2007, ISSN: 1093-4529.

Abstract | Links | BibTeX

2006

Umemura, Tomonari; Hotta, Hiroki; Abe, Takahiko; Takahashi, Yoshihito; Takiguchi, Hiromi; Uehara, Masayuki; Odake, Tamao; Tsunoda, Kin-ichi.

Slab optical waveguide high-acidity sensor based on an absorbance change of protoporphyrin IX. Journal Article

In: Analytical Chemistry, vol. 78, no. 21, pp. 7511–7516, 2006, ISSN: 0003-2700.

Abstract | Links | BibTeX

Umemura, Tomonari; Ueki, Yuji; Tsunoda, Kin-ichi; Katakai, Akio; Tamada, Masao; Haraguchi, Hiroki.

Preparation and characterization of methacrylate-based semi-micro monoliths for high-throughput bioanalysis. Journal Article

In: Analytical and Bioanalytical Chemistry, vol. 386, no. 3, pp. 566–571, 2006, ISSN: 1618-2642.

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Hasegawa, Takuya; Sugita, Masaru; Takatani, Kohei; Matsuura, Hirotaka; Umemura, Tomonari; Haraguchi, Hiroki.

Assay of alkaline phosphatase in salmon egg cell cytoplasm with fluorescence detection of enzymatic activity and zinc detection by ICP-MS in relation to metallomics research. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 79, no. 8, pp. 1211–1214, 2006, ISSN: 0009-2673.

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Takiguchi, Hiromi; Tsubata, Azusa; Miyata, Makoto; Odake, Tamao; Hotta, Hiroki; Umemura, Tomonari; Tsunoda, Kin-ichi.

Liquid core waveguide spectrophotometry for the sensitive determination of nitrite in river water samples. Journal Article

In: Analytical Sciences, vol. 22, no. 7, pp. 1017–1019, 2006, ISSN: 0910-6340.

Abstract | Links | BibTeX

Ueki, Yuji; Umemura, Tomonari; Iwashita, Yoshikazu; Odake, Tamao; Haraguchi, Hiroki; Tsunoda, Kin-Ichi.

Preparation of low flow-resistant methacrylate-based monolithic stationary phases of different hydrophobicity and the application to rapid reversed-phase liquid chromatographic separation of alkylbenzenes at high flow rate and elevated temperature. Journal Article

In: Journal of Chromatography A, vol. 1106, no. 1-2, pp. 106–111, 2006, ISSN: 0021-9673.

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Zhu, Yanbei; Itoh, Akihide; Fujimori, Eiji; Umemura, Tomonari; Haraguchi, Hiroki.

Determination of rare earth elements in seawater by ICP-MS after preconcentration with a chelating resin-packed minicolumn. Journal Article

In: Journal of Alloys and Compounds, vol. 408-412, pp. 985–988, 2006, ISSN: 0925-8388.

Abstract | Links | BibTeX

2005

Takiguchi, Hiromi; Odake, Tamao; Umemura, Tomonari; Hotta, Hiroki; Tsunoda, Kin-ichi.

Characteristics of a liquid/liquid optical waveguide using sheath flow and its application to detect molecules at a liquid/liquid interface. Journal Article

In: Analytical Sciences, vol. 21, no. 11, pp. 1269–1274, 2005, ISSN: 0910-6340.

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Matsuura, Hirotaka; Asano, Motoki; Hasegawa, Takuya; Umemura, Tomonari; Haraguchi, Hiroki.

Speciation and excretion patterns of arsenic metabolites in human urine after ingestion of edible seaweed, Hizikia fusiforme. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 78, no. 11, pp. 1977–1981, 2005, ISSN: 0009-2673.

Abstract | Links | BibTeX

Zhu, Yanbei; Hattori, Ryota; Rahmi, Dwinna; Okuda, Satoshi; Itoh, Akihide; Fujimori, Eiji; Umemura, Tomonari; Haraguchi, Hiroki.

Fractional distributions of trace metals in surface water of Lake Biwa as studied by ultrafiltration and ICP-MS. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 78, no. 11, pp. 1970–1976, 2005, ISSN: 0009-2673.

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Hasegawa, Takuya; Asano, Motoki; Takatani, Kohei; Matsuura, Hirotaka; Umemura, Tomonari; Haraguchi, Hiroki.

Speciation of mercury in salmon egg cell cytoplasm in relation with metallomics research. Journal Article

In: Talanta, vol. 68, no. 2, pp. 465–469, 2005, ISSN: 0039-9140.

Abstract | Links | BibTeX

Hasegawa, Takuya; Umemura, Tomonari; Koide, Akira; Chiba, Koichi; Ueki, Yuji; Tsunoda, Kin-ichi; Haraguchi, Hiroki.

Evaluation of an ODS column modified with zwitterionic/nonionic mixed surfactants and its application to direct injection determination of inorganic anions. Journal Article

In: Analytical Sciences, vol. 21, no. 8, pp. 913–916, 2005, ISSN: 0910-6340.

Abstract | Links | BibTeX

Ueki, Yuji; Umemura, Tomonari; Iwashita, Yoshikazu; Tsunoda, Kin-ichi; Haraguchi, Hiroki.

Rapid reversed-phase separation using methacrylate-based C18 monolithic capillary columns at high flow rates and elevated temperatures. Journal Article

In: Chemistry Letters, vol. 34, no. 8, pp. 1198–1199, 2005, ISSN: 0366-7022.

Abstract | Links | BibTeX

Tsunoda, Kin-ichi; Shimosakai, Ken-ichi; Hashimoto, Yasuyuki; Umemura, Tomonari; Odake, Tamao.

Spectroelectrochemical measurements of iodine with an ITO electrode slab optical waveguide. Journal Article

In: Bunseki Kagaku, vol. 54, no. 6, pp. 561–564, 2005, ISSN: 0525-1931.

Abstract | Links | BibTeX

Zhu, Yanbei; Itoh, Akihide; Fujimori, Eiji; Umemura, Tomonari; Haraguchi, Hiroki.

Multielement determination of trace metals in seawater by inductively coupled plasma mass spectrometry after tandem preconcentration using a chelating resin. Journal Article

In: Bulletin of the Chemical Society of Japan, vol. 78, no. 4, pp. 659–667, 2005, ISSN: 0009-2673.

Abstract | Links | BibTeX

Zhu, Yanbei; Hattori, Ryota; Fujimori, Eiji; Umemura, Tomonari; Haraguchi, Hiroki.

Multielement determination of trace metals in river water (certified reference materials, JSAC 0301-1) by high efficiency nebulization ICP-MS after 100-fold preconcentration with a chelating resin-packed minicolumn. Journal Article

In: Analytical Sciences, vol. 21, no. 3, pp. 199–203, 2005, ISSN: 0910-6340.

Abstract | Links | BibTeX

Tsunoda, Kin-Ichi; Kasuya, Yuichi; Umemura, Tomonari; Odake, Tamao.

A sub-second, time-resolved, linear dichroism measurement system for visible attenuated total reflection spectroscopy with a slab optical waveguide. Journal Article

In: Talanta, vol. 65, no. 5, pp. 1097–1101, 2005, ISSN: 0039-9140.

Abstract | Links | BibTeX

2004

Haraguchi, Hiroki; Zhu, Yanbei; Hattori, Ryota; Itoh, Akihide; Umemura, Tomonari.

Multielement analysis of commercial mineral waters by chelating resin preconcentration and ICP-MS. Journal Article

In: Biomedical Research on Trace Elements, vol. 15, no. 4, pp. 355–357, 2004, ISSN: 0916-717X.

Abstract | BibTeX

Matsuura, Hirotaka; Takatani, Kohei; Sugita, Masaru; Hasegawa, Takuya; Umemura, Tomonari; Haraguchi, Hiroki.

Speciation of some biometals in salmon egg cell cytoplasm by two-dimensional HPLC/ICP-MS. Journal Article

In: Biomedical Research on Trace Elements, vol. 15, no. 4, pp. 345–347, 2004, ISSN: 0916-717X.

Abstract | BibTeX

Li, Jinxiang; Ogasawara, Ayaka; Odake, Tamao; Umemura, Tomonari; Tsunoda, Kin-ichi.

A new isoelectric focusing system for fast two-dimensional gel electrophoresis using a low-concentration polyacrylamide gel supported by a loose multifilament string. Journal Article

In: Analytical Sciences, vol. 20, no. 12, pp. 1673–1679, 2004, ISSN: 0910-6340.

Abstract | Links | BibTeX

Ueki, Yuji; Umemura, Tomonari; Li, Jinxiang; Odake, Tamao; Tsunoda, Kinichi.

Preparation and Application of Methacrylate-Based Cation-Exchange Monolithic Columns for Capillary Ion Chromatography. Journal Article

In: Analytical Chemistry, vol. 76, no. 23, pp. 7007–7012, 2004, ISSN: 0003-2700.

Abstract | Links | BibTeX

Yoshimura, Etsuro; Akashi, Mariko; Umemura, Tomonari; Tsunoda, Kin-ichi.

Identification of Al(III) species in a solution containing equimolar concentrations of Al(III) and citric acid using varying-temperature 27Al NMR spectrometry. Journal Article

In: Analytical Sciences, vol. 20, no. 2, pp. 373–374, 2004, ISSN: 0910-6340.

Abstract | Links | BibTeX

122 entries « 2 of 3 »
71Preparation of Methacrylate-Based Anion-Exchange Monolithic Microbore Column for Chromatographic Separation of DNA Fragments and Oligonucleotides
A. Sabarudin, J. Huang, S. Shu, S. Sakagawa, T. Umemura, Anal. Chim. Acta, accepted 【IF=4.311】
70Chemical Anchoring of Lauryl Methacrylate-Based Reversed Phase Monolith to 1/16″ o.d. Polyetheretherketone Tubing
S. Shu, H. Kobayashi, M. Okubo, A. Sabarudin, M. Butsugan, T. Umemura, J. Chromatogr. A, 1242, 59-66 (2012) 【DOI 10.1016/j.chroma.2012.04.030, IF=4.194】
69Lithium-Ion Conducting La2/3-xLi3xTiO3 Solid Electrolyte Thin Films with Stepped and Terraced Surfaces
H. Ohta, T. Mizoguchi, N. Aoki, T. Yamamoto, A. Sabarudin, T. Umemura, Appl. Phys. Lett., 100, 173107 (2012) 【DOI 10.1063/1.4709402, IF=3.841】
68Atomic Mineral Characteristics of Indonesian Osteoporosis by High Resolution Inductively Coupled Plasma Mass Spectrometry
Z. Noor, S. Sumitro, M. Hidayat, A. Rahim, A. Sabarudin, and T. Umemura, The Scientific World Journal, 2012, 372972 (2012)【DOI 10.1100/2012/372972, IF=1.524】
67Development of Salt-Tolerance Interface for an High Performance Liquid Chromatography/Inductively Coupled Plasma Mass Spectrometry System and Its Application to Accurate Quantification of DNA Samples
Y. Takasaki, S. Sakagawa, K. Inagaki, S. Fujii, A. Sabarudin, T. Umemura, H. Haraguchi, Anal. Chim. Acta, 713, 23-29 (2012) 【DOI 10.1016/j.aca.2011.11.039, IF=4.311】
66Estimation of the Distribution of Intravenously Injected Adipose Tissue-Derived Stem Cells Labeled with Quantum Dots in Mice Organs through the Determination of their Metallic Components by ICP-MS
Y. Takasaki, M. Watanabe, H. Yukawa, A. Sabarudin, K. Inagaki, N. Kaji, Y. Okamoto, M. Tokeshi, Y. Miyamoto, H. Noguchi, T. Umemura, S. Hayashi, Y. Baba, H. Haraguchi, Anal. Chem., 83, 8252-8258 (2011)【DOI: 10.1021/ac202053y, IF=5.874】
65Multielement Analysis of Micro-Volume Biological Samples by ICP-MS with Highly Efficient Sample Introduction System
Y. Takasaki, K. Inagaki, A. Sabarudin, S. Fuji, D. Iwahata, A. Takatsu, K. Chiba, T. Umemura, Talanta, 87, 24-29 (2011) 【DOI: 10.1016/j.talanta.2011.09.022, IF=3.722】
64Preparation and Characterization of Lauryl Methacrylate-Based Monolithic Microbore Column for Reversed-Phase Liquid Chromatography
S. Shu, H. Kobayashi, N. Kojima, A. Sabarudin, T. Umemura, J. Chromatogr. A, 1218, 5228-5234 (2011) 【DOI: 10.1016/j.chroma.2011.05.104, IF=4.194】
63Analysis of Organic Pollutant Degradation in Pulsed Plasma by Coherent Anti-Stokes Raman Spectroscopy
M.A. Bratescu
J. Hieda, T. Umemura, N. Saito, O. Takai, J. Vac. Sci. Technol. A, 29, 031302 (2011) 【DOI: 10.1116/1.3569035, IF=1.291】
62Chitosan Functionalized with di-2-Propanolamine: Its Application as Solid Phase Extractant for the Determination of Germanium in Water Samples by ICP-MS
A. Sabarudin, T. Umemura, S. Motomizu, Microchem. J., 99, 34-39 (2011) 【DOI: 10.1016/j.microc.2011.03.004, IF=2.488】
61Multicolor Polymer Dispersed Liquid Crystal
N. Kumano, T. Seki, M. Ishii, H. Nakamura, T. Umemura, Y. Takeoka, Adv. Mater, 23, 884-888 (2011) 【DOI: 10.1002/adma.201003660, IF=10.880】
60Electric Field Modulation of Thermopower for Transparent Amorphous Oxide Thin Film Transistors
H. Koide, Y. Nagao, K. Koumoto, Y. Takasaki, T. Umemura, T. Kato, Y. Ikuhara, H. Ohta, Appl. Phys. Lett., 97, 182105 (2010) 【DOI: 10.1063/1.3512870, IF=3.841】
59Determination of REEs in Natural Water by ICP-MS with the Aid of an Automatic Column Changing System
Y. Zhu, A. Itoh, T. Umemura, H. Haraguchi, K. Inagaki, K. Chiba, J. Anal. Atom. Spectrom., 25, 1253-1258 (2010) 【DOI: 10.1039/c003125a, IF=4.372】
58Preparation of Monolithic Chelating Adsorbent Inside a Syringe Filter Tip for Solid Phase Microextraction of Trace Elements in Natural Water Prior to Their Determination by ICP-MS
D. Rahmi, Y. Takasaki, Y. Zhu, H. Kobayashi, S. Konagaya, H. Haraguchi, T. Umemura, Talanta, 81, 1438-1445 (2010) 【DOI: 10.1016/j.talanta.2010.02.048, IF=3.722】
57Quantification of Trace Elements in Natural Samples by Electrospray Ionization Mass Spectrometry with a Size-Exclusion Column Based on the Formation of Metal-Aminopolycarboxylate Complexes
H. Hotta, T. Mori, A. Takahashi, Y. Kogure, K. Johno, T. Umemura, K. Tsunoda, Anal. Chem., 81, 6357-6363 (2009)
56Determination of REEs in Seawater by ICP-MS after on-line Preconcentration Using a Syringe-Driven Chelating Column
Y. Zhu, T. Umemura, H. Haraguchi, K. Inagaki, K Chiba, Talanta, 78, 891-895 (2009)
55Metallomics Study on All-Elements Analysis of Salmon Egg Cells and Fractionation Analysis of Metals in Cell Cytoplasma
H. Haraguchi, A Ishii, T. Hasegawa, H. Matsuura, T. Umemura, Pure Appl. Chem., 80, 2595-2608 (2008)
54Determination of 56 Elements in Lake Baikal Water by High Resolution ICP-MS with Aid of a Tandem Preconcentration Method
D. Rahmi, Y. Zhu, T. Umemura, H. Haraguchi, A Itoh, K Chiba, Anal. Sci., 24, 1513-1517 (2008)
53Vertical Distribution of Lead in Lake Baikal Water Measured by ID-ICP-MS
Y. Zhu, D. Rahmi, T. Umemura, H. Haraguchi, K Chiba, J. Nucl. Sci. Tech., (Supplement 5), 65-68 (2008)
52An in-syringe La-coprecipitation Method for the Preconcentration of Oxo-anion Forming Elements in Seawater Prior to an ICP-MS Measurement
D. Rahmi, Y. Zhu, E. Fujimori, T. Hasegawa, T. Umemura, S. Konagaya, H. Haraguchi, Anal. Sci., 24, 1189-1192 (2008)
51Identification of Aluminum Species in an Aluminum-accumulating Plant, Hydrangea (Hydrangea macrophylla), by Electrospray Ionization Mass Spectrometry
H. Hotta, Q. Wang, M. Fukuda, S. Aizawa, T. Umemura, K. Sekizawa, K. Tsunoda, Anal. Sci., 24, 795-798 (2008)
50有機ポリマーモノリスを用いる高速・高性能分離分析法の開発
梅村知也, 小島徳久, 植木悠二, 分析化学, 57, 517-530 (2008)
49Multielement Determination of Trace Metals in Seawater by ICP-MS with Aid of Down-Sized Chelating Resin-Packed Minicolumn for Preconcentration
D. Rahmi, Y. Zhu, E. Fujimori, T. Umemura, H. Haraguchi, Talanta, 72, 600-606 (2007)
48Tailoring Elution of Tetraalkylammonium Ions. Ideal Electrostatic Selectivity Elution Order on a Polymeric Ion Exchanger
B. Yang, M. Takeuchi, P.K. Dasgupta, T. Umemura, Y. Ueki, K. Tsunoda, Anal. Chem., 79, 769-772 (2007)
47Speciation of Human Serum Proteins Based on Trace Metal Mapping Analysis by CIM Monolithic Disk Column HPLC/ICP-MS in Complement with Off-Line MALDI-TOFMS Analysis
T. Hasegawa, Y. Wakita, Y. Zhu, H. Matsuura, H. Haraguchi, T. Umemura, Bull. Chem. Soc. Jpn., 80, 503-506 (2007)
46Chemical Speciation of Arsenic Species in Human Blood Serum by Liquid Chromatography Using a Phosphatidylcholine-coated ODS Column with Detection by ICP-MS
T. Hasegawa, J. Ishise, Y. Fukumoto, H. Matsuura, Y. Zhu, T. Umemura, H. Haraguchi, K. Yamamoto, T. Naoe, Bull. Chem. Soc. Jpn., 80, 498-502 (2007)
45Separation Characteristics of a Phosphatidylcholine-coated ODS Column for Direct Sample Injection Analysis of Biological Fluid Samples
T. Hasegawa, Y. Fukumoto, J. Ishise, R. Hattori, Y. Zhu, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 80, 329-334 (2007)
44Slab Optical Waveguide High-Acidity Sensor Based on an Absorbance Change of Protoporphyrin IX
T. Umemura, H. Hotta, T. Abe, Y. Takahashi, H. Takiguchi, M. Uehara, T. Odake, K. Tsunoda, Anal. Chem., 78, 7511-7516 (2006)
43Assay of Alkaline Phosphatase in Salmon Egg Cell Cytoplasm with Fluorescence Detection of Enzymatic Activity and Zinc Detection by ICP-MS in Relation to Metallomics Research
T. Hasegawa, M. Sugita, K. Takatani, H. Matsuura, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 79, 1211-1214 (2006)
42Preparation and Characterization of Methacrylate-Based Semi-Micro Monoliths for High-Throughput Bioanalysis
T. Umemura, Y. Ueki, K. Tsunoda, A. Katakai, M. Tamada, H. Haraguchi, Anal. Bioanal. Chem., 386, 566-571 (2006)
41Liquid Core Waveguide Spectrophotometry for the Sensitive Determination of Nitrite in River Water Samples
H. Takiguchi, A. Tsubata, M. Miyata, T. Odake, H. Hotta, T. Umemura, K. Tsunoda, Anal. Sci., 22, 1017-1019 (2006)
40Preparation of Low Flow-Resistant Methacrylate-Based Monolithic Stationary Phases of Different Hydrophobicity and the Application to Rapid Reversed-Phase Liquid Chromatographic Separation of Alkylbenzenes at High Flow Rate and Elevated Temperature
Y. Ueki, T. Umemura, Y. Iwashita, T. Odake, H. Haraguchi, K. Tsunoda, J. Chromatogr. A, 1106, 105-111 (2006)
39Determination of Rare Earth Elements in Seawater by ICP-MS after Preconcentration with a Chelating Resin-Packed Minicolumn
Y. Zhu, A. Itoh, E. Fujimori, T. Umemura, H. Haraguchi, J. Alloys Compd., 408-412, 985-988 (2006)
38Speciation of Mercury in Salmon Egg Cell Cytoplasm in Relation with Metallomics Research
T. Hasegawa, M. Asano, K. Takatani, H. Matsuura, T. Umemura, H. Haraguchi, Talanta, 68, 465-469 (2005)
37Speciation and Excretion Patterns of Arsenic Metabolites in Human Urine after Ingestion of Edible Seaweed, Hizikia fusiforme
H. Matsuura, M. Asano, T. Hasegawa, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 78, 1977-1981 (2005)
36Fractional Distributions of Trace Metals in Surface Water of Lake Biwa as Studied by Ultrafiltration and ICP-MS
Y. Zhu, R. Hattori, D. Rahmi, S. Okuda, A. Itoh, E. Fujimori, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 78, 1970-1976 (2005)
35Characteristics of Liquid/Liquid Optical Waveguide Using Sheath Flow and Its Application to Detect Molecules at Liquid/Liquid Interface
H. Takiguchi, T. Odake, T. Umemura, H. Hotta, K. Tsunoda, Anal. Sci., 21, 1269-1274 (2005)
34Rapid Reversed-Phase Separation Using Methacrylate-Based C18 Monolithic Capillary Columns at High Flow Rates and Elevated Temperatures
Y. Ueki, T. Umemura, Y. Iwashita, K. Tsunoda, H. Haraguchi, Chem. Lett., 34, 1198-1199 (2005)
33Evaluation of an ODS Column Modified with Zwitterionic/Nonionic Mixed Surfactants and its Application to Direct Injection Determination of Inorganic Anions
T. Hasegawa, T. Umemura, A. Koide, K. Chiba, Y. Ueki, K. Tsunoda, H. Haraguchi, Anal. Sci., 21, 913-916 (2005)
32インジウムスズオキサイド電極スラブ光導波路によるヨウ素の分光電気化学測定
角田欣一, 下境健一, 橋本康行, 梅村知也, 小竹玉緒, 分析化学, 54, 561-(2005)
31A Sub-Second, Time-Resolved, Linear Dichroism Measurement System for Visible Attenuated Total Reflection Spectroscopy with a Slab Optical Waveguide
K. Tsunoda, Y. Kasuya, T. Umemura, T. Odake, Talanta, 65, 1097-1101 (2005)
30Multielement Determination of Trace Metals in Seawater by Inductively Coupled Plasma Mass Spectrometry after Tandem Preconcentration Using Chelating Resin
Y. Zhu, A. Itoh, E. Fujimori, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 78, 659-667 (2005)
29Multielement Determination of Trace Metals in River Water Certified Reference Material (JSAC 0301-1) by High Efficiency Nebulization ICP-MS after 100-fold Preconcentration with a Chelating Resin-Packed Minicolumn
Y. Zhu, R. Hattori, E. Fujimori, T. Umemura, H. Haraguchi, Anal. Sci., 21, 199-203 (2005)
28Preparation and Application of Methacrylate-Based Cation-Exchange Monolithic Columns for Capillary Ion Chromatography
Y. Ueki, T. Umemura, J. Li, T. Odake, K. Tsunoda, Anal. Chem., 76, 7007-7012 (2004)
27A New Isoelectric Focusing System for Fast Two-Dimensional Gel Electrophoresis Using a Low-Concentration Polyacrylamide Gel Supported by a Loose Multifilament String
J. Li, A. Ogasawara, T. Odake, T. Umemura, K. Tsunoda, Anal. Sci., 20, 1673-1679 (2004)
26Multielement Analysis of Commercial Mineral Waters by Chelating Resin Preconcentration and ICP-MS
H. Haraguchi, Y. Zhu, R. Hattori, A. Itoh, T. Umemura, Biomed. Res. Trace Elements, 15, 355-357 (2004)
25Speciation of Some Biometals in Salmon Egg Cell Cytoplasm by Two-Dimensional HPLC/ICP-MS
H. Matsuura, K. Takatani, M. Sugita, T. Hasegawa, T. Umemura, H. Haraguchi, Biomed. Res. Trace Elements, 15, 345-347 (2004)
24Identification of Al(III) Species in a Solution Containing Equimolar Concentrations of Al(III) and Citric Acid Using Varying-Temperature 27Al NMR Spectrometry
E. Yoshimura, M, Akashi, T. Umemura, K. Tsunoda., Anal. Sci., 20, 373-374 (2004)
23Seasonal Change in the Level and the Chemical Forms of Aluminum in Soil Solution Under a Japanese Cedar Forest
T. Umemura, Y. Usami, S. Aizawa, K. Tsunoda, K. Satake, Sci. Total Environ., 317, 149-157 (2003)
22Adsorption of Methylene Blue onto Silylated Silica Surfaces Studied Using Visible Attenuated Total Reflection Spectroscopy with a Slab Optical Waveguide
K. Tsunoda, T. Umemura, H. Ueno, E. Okuno, H. Akaiwa, Appl. Spectrosc., 57, 1273-1277 (2003)
21A Liquid/Liquid Optical Waveguide Using Sheath Flow as a New Tool for Liquid/Liquid Interfacial Measurement
H. Takiguchi, T. Odake, M. Ozaki, T. Umemura, K. Tsunoda, Appl. Spectrosc., 57, 1039-1041 (2003)
20Decomposition of Phenolic Endocrine Disrupting Chemicals by Potassium Permanganate and -ray Irradiation
Y. Abe, M. Takigami, K. Sugino, M. Taguchi, T. Kojima, T. Umemura, K. Tsunoda, Bull. Chem. Soc. Jpn., 76, 1681-1685(2003)
19低屈折率高分子製光ファイバー型キャピラリーセルの特性とその鉄鋼試料中硫黄の吸光光度定量への応用
角田欣一, 梅村知也, 渡邊貴史, 滝口裕実, 浅野 比, 板橋英之, 石橋耀一, 佐藤 栄, 鉄と鋼, 89, 979-981(2003)
18Highly Sensitive Time-Resolved Fluorometric Determination of Estrogens by High-Performance Liquid Chromatography Using a β-Diketonate Europium Chelate
K. Matsumoto, Y. Tsukahara, T. Umemura, K. Tsunoda, H. Kume, S. Kawasaki, J. Tadano, T. Matsuya, J. Chromatogr. B, 773, 135-142 (2002)
17Sensitive Measurement of Methylene Blue Active Substances by Attenuated Total Reflection Spectrometry with a Trimethylsilane-Modified Glass Slab Optical Waveguide
T. Umemura, Y. Kasuya, T. Odake, K. Tsunoda, Analyst, 127, 149-152 (2002)
16Preliminary Investigation of the Application of Electrospray Ionization Mass Spectrometry to the Study of Aluminum Speciation
T. Umemura, K. Asaka, K. Sekizawa, T. Odake, K. Tsunoda, K. Satake, Q. Wang, B. Huang, Anal. Sci., 17, (Supplement), i49-i52 (2001)
15A High-Efficiency Cross-Flow Micronebulizer Interface for Capillary Electrophoresis and Inductively Coupled Plasma Mass Spectrometry
J. Li, T. Umemura, T. Odake, K. Tsunoda, Anal. Chem., 73, 5992-5999 (2001)
14Determination and Speciation of Aluminum in Environmental Samples by Cation Exchange High-performance Liquid Chromatography with High Resolution ICP-MS Detection
K. Tsunoda, T. Umemura, K. Ohshima, S. Aizawa, E. Yoshimura, K. Satake, Water, Air and Soil Pollution, 130, 1589-1594 (2001)
13A High-Efficiency Cross-Flow Micronebulizer for Inductively Coupled Plasma Mass Spectrometry
J. Li, T. Umemura, T. Odake, K. Tsunoda, Anal. Chem., 73, 1416-1424 (2001)
12過マンガン酸カリウムによるフェノール系内分泌攪乱化学物質の分解
阿部康弘, 梅村知也, 角田欣一, 日本化学会誌, 4, 239-242 (2001)
11Amphoteric Surfactant-Modified Stationary Phase for the Reversed-Phase High-Performance Liquid Chromatographic Separation of Nucleosides and Their Bases by Elution with Water
T. Umemura, K. Tsunoda, A. Koide, T. Oshima, N. Watanabe, K. Chiba, H. Haraguchi, Anal. Chim. Acta, 419, 87-92 (2000)
10Speciation of Trace Elements Binding and Non-binding with Proteins in Human Blood Serum by Surfactant-Mediated High-Performance Liquid Chromatography with Element-Selective Detection by Inductively Coupled Plasma Mass Spectrometry
K. Inagaki, T. Umemura, H. Matsuura, H. Haraguchi, Anal. Sci., 16, 787-788 (2000)
9Lock-in Modulation Detection for a Difference Interferometric Slab Optical Waveguide Refractive-Index Sensor
K. Tsunoda, T. Umemura, K. Aizawa, Y. Takahashi, T. Odake, Anal. Sci., 16, 771-773 (2000)
8Determination of Lead by Hydride Generation Inductively Coupled Plasma Mass Spectrometry
J. Li, F. Lu, T. Umemura, K. Tsunoda, Anal. Chim. Acta, 419, 65-72 (2000)
7Characteristic Conversion of Ion Pairs among Anions and Cations for Determination of Anions in Electrostatic Ion Chromatography Using Water as a Mobile Phase
T. Umemura, S. Kamiya, H. Haraguchi, Anal. Chim. Acta, 379, 23-32 (1999)
6Direct Injection Determination of Theophylline and Caffeine in Blood Serum by High-Performance Liquid Chromatography Using an ODS Column Coated with a Zwitterionic Bile Acid Derivative
T. Umemura, R. Kitaguchi, K. Inagaki, H. Haraguchi, Analyst, 123, 1767-1770 (1998)
5Counterionic Detection by ICP-AES for Determination of Inorganic Anions in Water Elution Ion Chromatography Using Zwitterionic Stationary Phase
T. Umemura, R. Kitaguchi, H. Haraguchi, Anal. Chem., 70, 936-942 (1998)
4A Novel Ion Chromatographic Method Using Zwitterionic Surfactants as the Stationary Phase and Water as the Mobile Phase
W. Hu, K. Hasebe, D.M. Reynolds, T. Umemura, S. Kamiya, A. Itoh, H. Haraguchi, J. Liq. Chrom. & Rel. Technol., 20, 1903-1919 (1997)
3Partitioning of Cations and Anions of Electrolytes in Electrostatic Ion Chromatography Using Pure Water as Mobile Phase
T. Umemura, S. Kamiya, R. Kitaguchi, H. Haraguchi, Chem. lett., 1997, 755-756 (1997)
2Evaluation of Sulfobetaine-Type Zwitterionic Stationary Phases for Ion Chromatographic Separation Using Water as a Mobile Phase
T. Umemura, S. Kamiya, A. Itoh, K. Chiba, H. Haraguchi, Anal. Chim. Acta, 349, 231-238 (1997)
1Direct Determination of Inorganic Ions at Sub-ppb Levels by Ion Chromatography Using Water as a Mobile Phase
W. Hu, A. Miyazaki, H. Tao, A. Itoh, T. Umemura, H. Haraguchi, Anal. Chem., 67, 3713-3716 (1995)