原著論文

107 Novel Chemically Cross-Linked Self-Molding Particulate Sorbents as Solid-Phase Extraction Media, Y. Miki, H. Murakami, M. Gotoh, T. Umemura, Y. Esaka, Y. Inoue, N. Teshima, Anal. Sci., published online on August 24 (2022) 【【DOI https://doi.org/10.1007/s44211-022-00179-3】
106 Development of Portable Fluorescence Microplate Reader Equipped with Indium Tin Oxide Glass Heater for Loop-mediated Isothermal Amplification, R. Ishii, K. Morioka, T. Mizumoto, N. Yamasaki, A. Hemmi, A. Shoji, H. Murakami, N. Teshima, T. Umemura, K. Uchiyama, and H. Nakajima, Sens. Mater., 34, 971-985 (2022) 【DOI https://doi.org/10.18494/SAM.2022.3618】
105 Development of a Surface Plasmon Resonance Sensor Using an Optical Fiber Prepared by Electroless Displacement Gold Plating and Its Application to Immunoassay, A. Shoji, M. Nakajima, K. Morioka, E. Fujimori, T. Umemura, A. Yanagida, A. Hemmi, K. Uchiyama, H. Nakajima, Talanta, 240, 123162 (2022) 【DOI https://doi.org/10.1016/j.talanta.2021.123162】
104 Development of a Fluorescence Microplate Reader Using an Organic Photodiode Array with a Large Light Receiving Area, K. Morioka, M. Osashima, N. Azuma, K. Qu, A. Hemmi, A. Shoji, H. Murakami, N. Teshima, T. Umemura, K. Uchiyama, H. Nakajima, Talanta, 238, 122994 (2022) 【DOI https://doi.org/10.1016/j.talanta.2021.122994】
103 Preparation and Evaluation of Molding-type Solid-phase Extraction Media Binding with Commercially Available Adhesives, Y. Miki, H. Murakami, K. Iida, T. Umemura, Y. Esaka, Y. Inoue, N. Teshima, Anal. Sci., published online on October 22 (2021) 【DOI https://doi.org/10.2116/analsci.21P265】
102 キレート樹脂固相抽出/ICP-MSにおける環境水中微量元素分析に及ぼす共存EDTAの影響, 藤森 英治, 熊田 英峰, 梅村 知也, 分析化学, 70, 31-37 (2021) 【DOI https://doi.org/10.2116/bunsekikagaku.70.31】
101 Preparation of Metal-Immobilized Methacrylate-Based Monolithic Columns for Flow-Through Cross-Coupling Reactions, A. Sabarudin, S. Shu, K. Yamamoto, T. Umemura, Molecules, 26, 7346 (2021) 【DOI https://doi.org/10.3390/molecules26237346】
100 Development of an algal cell-attached solid surface culture system for simultaneous wastewater treatment and biomass production, H. Miyauchi, K. Harada, Y. Suzuki, K. Okada, M. Aoki, T. Umemura, S. Fujiwara, M. Tsuzuki, Algal Research, 58, 102394 (2021) 【DOI https://doi.org/10.1016/j.algal.2021.102394】
99 The ER Cholesterol Sensor SCAP Promotes CARTS Biogenesis at ER–Golgi Membrane Contact Sites, Y. Wakana, K. Hayashi, T. Nemoto, C. Watanabe, M. Taoka, J. Angulo-Capel, M.F. Garcia-Parajo, H. Kumata, T. Umemura, H. Inoue, K. Arasaki, F. Campelo, M. Tagaya, J. Cell Biol., 220, e202002150 (2021) 【DOI https://doi.org/10.1083/jcb.202002150】
98 Multiple-channel Concentric Grid Nebulizer for Online Standard Addition in Inductively Coupled Plasma Optical Emission Spectrometry, K. Ido, R. Matsushita, S. Fujii, S. Miyashita, T. Umemura, A. Hokura, K. Inagaki, Anal. Sci., 36, 717-722 (2020) 【DOI https://doi.org/10.2116/analsci.19P385】
97 Elimination of Interfering Molybdenum Oxyanion with an Anion-Exchange Monolithic Spin Tip (AXTip) for Precise Determination of Cadmium in Human Urine by ICP-MS, H. Kumata, C. Morimoto, A. Horie, A. Tanabe, E. Fujimori, T. Umemura, Talanta Open, 2, 100009 (2020) 【DOI https://doi.org/10.1016/j.talo.2020.100009】
96 Molding-type Solid-phase Extraction Media Glued with Commercially Available Adhesives, Y. Miki, H. Murakami, K. Iida, T. Umemura, Y. Esaka, Y. Inoue, N. Teshima, Anal. Sci., 36, 1153-1155 (2020) 【DOI https://doi.org/10.2116/analsci.20C012】
95 Development and Evaluation of HILIC Type Sorbents Modified with Hydrophilic Copolymer s for Solid Phase Extraction H. Murakami, T. Sugiyama, Y. Miki, T. Umemura, Y. Esaka, Y. Inoue, N. Teshima, Anal. Sci., 36, 1185-1190 (2020) 【DOI https://doi.org/10.2116/analsci.20P084】
94 超薄層クロマトグラフィー用の水平式ミニチュアTLC展開槽の試作と評価 今崎 龍之介, 近藤 啓太, 谷 夏海, 青木 元秀, 熊田 英峰, 内田 達也, 長縄 豪, 嶋田 泰佑, 田口 嘉彦, 佐藤 浩明, 安井 隆雄, 梅村 知也, 分析化学, 69, 553-558 (2020) 【DOI https://doi.org/10.2116/bunsekikagaku.69.553】
93 Evaluation of the Adsorption Properties of Nucleobase-Modified Sorbents for a Solid-Phase Extraction of Water-Soluble Compounds H. Murakami, M. Omiya, Y. Miki, T. Umemura, Y. Esaka, Y. Inoue, N. Teshima, Talanta, 217, 121052 (2020) 【DOI https://doi.org/10.1016/j.talanta.2020.121052】
92 HPLC with Electrochemical Detection for Determining Homogentisic Acid and Its Application to Urine from Rats Fed Tyrosine-Enriched Food T. Kishi, A. Kotani, T. Umemura, H. Hakamata, J. Pharm. Biomed. Anal., 186, 113253 (2020) 【DOI https://doi.org/10.1016/j.jpba.2020.113253】
91 自律送液が可能なマイクロチップと有機フォトダイオード検出器を用いる化学発光分析システムの開発 曲 奎智, 森岡 和大, 東 奈穗, 長嶋 萌子, 辺見 彰秀, 東海林 敦, 村上 博哉, 手嶋 紀雄, 梅村 知也, 加藤 俊吾, 河西 奈保子, 内山 一美, 中嶋 秀, 分析化学, 69, 31-39 (2020) 【DOI https://doi.org/10.2116/bunsekikagaku.69.31】
90 Short-Lived Long Noncoding RNAs as Surrogate Indicators for Chemical Stress in HepG2 Cells and Their Degradation by Nuclear RNases H. Tani, A. Numajiri, M. Aoki, T. Umemura, T. Nakazato, Sci. Rep., 9, 20299 (2019) 【DOI https://doi.org/10.1038/s41598-019-56869-y】
89 化合物レベル炭素安定同位体比分析のための高等植物中のステロールおよび脂肪酸の分離精製法の確立， 竹内 理子，力石 嘉人，小川 奈々子，風呂田 郷史，大河内 直彦，青木 元秀，内田 達也， 梅村 知也，熊田 英峰， 分析化学, 68, 297-306 2019 【DOI org/10.2116/bunsekikagaku.68.297】
88 Hyper-Resistance to Arsenate in the Cyanobacterium Synechocystis sp. PCC 6803 is Influenced by the Differential Kinetics of Its pst-ABC Transporters and External Phosphate Concentration Exposure C. Murota, S. Fujiwara, M. Tsujishita, K. Urabe, S. Takayanagi, M. Aoki, T. Umemura, J. J.Eaton-Rye, F.D. Pitt, M. Tsuzuki, Algal research, 38, 101410 (2019) 【DOI org/10.1016/j.algal.2019.101410】
87 Elucidation of Ion-Pairing Elution Behavior of Anions and Cations in Electrostatic Ion Chromatography Using Water as a Mobile Phase T. Umemura, Chromatography, 40 143-148 (2019) 【DOI https://doi.org/10.15583/jpchrom.2019.018】
86 Investigation of Adverse Effect of Coexisting Aminopolycarboxylates on the Determination of Rare Earth Elements by ICP-MS After Solid Phase Extraction Using an Iminodiacetate-Based Chelating-Resin E. Fujimori, S. Nagata, H. Kumata, T. Umemura, Chemosphere, 214, 288-294 (2019) 【DOI org/10.1016/j.Chemosphere.2018.09.073, IF=4.427】
85 Electrochemically Active Bacteria Sense Electrode Potentials for Regulating Catabolic Pathways A. Hirose, T. Kasai, M. Aoki, T. Umemura, K. Watanabe, A. Kouzuma, Nat. commun., 9, 1083 (2018) 【DOI 10.1038/s41467-018-03416-4, IF=12.124】
84 Short-lived long non-coding RNAs as surrogate indicators for chemical exposure and LINC00152 and MALAT1 modulate their neighboring genes H. Tani, S. Okuda, K. Nakamura, M. Aoki, T. Umemura, PLoS One 12(7): e0181628 (2017) 【DOI org/10.1371/journal.pone.0181628, IF=2.806】
83 Development of Tetrahydrofuran/Water Optical Waveguide and Its Application to the Observation of Extraction Behavior of 1-Anilino-8-naphtalene Sulfonate at the Tetrahydrofuran/Water Interface H. Takiguchi, S. Asanuma, J. Kamiyama, H. Murata, Y. Hasegawa, S. Yoshizawa, H. Hotta, T. Odake, T. Umemura, K. Sato, K. Tsunoda, Anal. Sci., 33, 449-455 (2017) 【DOI 10.2116/analsci.33.449, IF=1.569】
82 Solid-liquid phase epitaxial growth of Li4Ti5O12 thin film N. Li, T. Katase, Y. Zhu, T. Matsumoto, T. Umemura, Y. Ikuhara, H. Ohta, Appl. Phys. Express, 9, 125501 (2016) 【DOI 10.7567/APEX.9.125501, IF=2.555】
81 Electrochemical Determination of Synephrine by Hydrophilic Interaction Liquid Chromatography Using a Zwitterionic Monolith Column Y. Sakai, A. Kotani, T. Umemura, Y. Mori, F. Kusu, K. Yamamoto, H. Hakamata, Electroanalysis, 28, 1947-1951 (2016) 【DOI 10.1002/elan.201600150, IF=2.471】
80 Identification of Genes for Sulfolipid Synthesis in Primitive Red Alga Cyanidioschyzon Merolae N. Sato, S. Kobayashi, M. Aoki, T. Umemura, I. Kobayashi, M. Tsuzuki, Biochem. Biophys. Res. Commun., 470, 123-129 (2016)【DOI 10.1016/j.bbrc.2016.01.006, IF=2.371】
79 Profiling of Lipid and Glycogen Accumulations under Different Growth Conditions in the Sulfothermophilic Red Alga Galdieria sulphuraria T. Sakurai, M. Aoki, X. Ju, T. Ueda, Y. Nakamura S. Fujiwara, T. Umemura, M. Tsuzuki, A. Minoda, Bioresour. Technol., 200, 861-866 (2016) 【DOI 10.1016/j.biortech.2015.11.014, IF=4.917】
78 加圧溶媒抽出法を用いた路上粉塵中多環芳香族炭化水素（PAHs）の抽出溶媒の最適化とPAHs組成への影響 親松和紘, 青木元秀, 内田達也, 梅村知也, 熊田英峰, 分析化学, 65, 193-201 (2016) 【DOI 10.2116/bunsekikagaku.65.193, IF=0.43】
77 Accumulation of Arsenic and Copper by Bryophytes Growing in an Aquatic Environment near Copper Mine Tailings Y. Suzuki, C. Takenaka, R. Tomioka, H. Tsubota, Y. Takasaki, T. Umemura, Anal. Chim. Acta, 736, 108-114 (2012) 【DOI 10.1016/j.aca.2012.05.039, IF=4.555】
76 放射光蛍光X線分析を用いるモエジマシダ（Pteris vittata L.）におけるクロム蓄積機構の解明 本田真央, 北島信行, 阿部知子, 梅村知也, 保倉明子, 分析化学, 64, 801-810 (2015) 【DOI: 10.2116/bunsekikagaku.64.801 IF=0.43】
75 Numerical Simulation on Flow in Column Chromatography K. Yamamoto, R. Komiyama, T. Umemura, Int. J. Mod. Phys. C, 24 (12), 1340003 (2013)【DOI: 10.1142/S0129183113400032 IF=0.615】
74 High Sensitive Elemental Analysis of Single Yeast Cells (Saccharomyces cerevisiae) by Time-Resolved Inductively-Coupled Plasma Mass Spectrometry Using a High Efficiency Cell Introduction System A.S. Groombridge, S. Miyashita, S. Fujii, K. Nagasawa, T. Okahashi, M. Ohata, T. Umemura, A. Takatsu, K. Inagaki, K. Chiba, Anal. Sci., 29, 597-603 (2013) 【DOI 10.2116/analsci.29.597, IF=1.569】
73 A Simple Combination of Higher-Oxidation-State FeX3 and Phosphine or Amine Ligand for Living Radical Polymerization of Styrene, Methacrylate, and Acrylate H. Aoshima, K. Satoh, T. Umemura, M. Kamigaito, Polym. Chem., 4, 3554-3562 (2013) 【DOI: 10.1039/C3PY00352C, IF=5.321】
72 Relative Enrichment of Mo in the Radicle of Peanut Seed (Arachis hypogaea), Observed by Multi-Elemental Imagining with LA-ICP-MS Y. Zhu, A. Hioki, A. Itoh, T. Umemura, H. Haraguchi, K. Chiba, Anal. Sci., 28, 1121-1124 (2012) 【DOI 10.2116/analsci.28.1121, IF=1.569】
71 Preparation 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, 736, 108-114 (2012) 【DOI 10.1016/j.aca.2012.05.039, IF=4.555】
70 Chemical 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】
69 Lithium-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】
68 Atomic 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】
67 Development 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】
66 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 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】
65 Multielement 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】
64 Preparation 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】
63 Analysis 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】
62 Chitosan 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】
61 Multicolor 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】
60 Electric 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】
59 Determination 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】
58 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 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】
57 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 H. Hotta, T. Mori, A. Takahashi, Y. Kogure, K. Johno, T. Umemura, K. Tsunoda, Anal. Chem., 81, 6357-6363 (2009)
56 Determination 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)
55 Metallomics 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)
54 Determination 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)
53 Vertical 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)
52 An 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)
51 Identification 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)
49 Multielement 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)
48 Tailoring 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)
47 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-TOFMS Analysis T. Hasegawa, Y. Wakita, Y. Zhu, H. Matsuura, H. Haraguchi, T. Umemura, Bull. Chem. Soc. Jpn., 80, 503-506 (2007)
46 Chemical 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)
45 Separation 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)
44 Slab 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)
43 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 T. Hasegawa, M. Sugita, K. Takatani, H. Matsuura, T. Umemura, H. Haraguchi, Bull. Chem. Soc. Jpn., 79, 1211-1214 (2006)
42 Preparation 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)
41 Liquid 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)
40 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 Y. Ueki, T. Umemura, Y. Iwashita, T. Odake, H. Haraguchi, K. Tsunoda, J. Chromatogr. A, 1106, 105-111 (2006)
39 Determination 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)
38 Speciation 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)
37 Speciation 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)
36 Fractional 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)
35 Characteristics 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)
34 Rapid 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)
33 Evaluation 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)
31 A 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)
30 Multielement 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)
29 Multielement 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)
28 Preparation 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)
27 A 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)
26 Multielement 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)
25 Speciation 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)
24 Identification 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)
23 Seasonal 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)
22 Adsorption 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)
21 A 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)
20 Decomposition 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)
18 Highly Sensitive Time-Resolved Fluorometric Determination of Estrogens by High-Performance Liquid Chromatography Using a ??-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)
17 Sensitive 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)
16 Preliminary 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)
15 A 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)
14 Determination 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)
13 A 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)
11 Amphoteric 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)
10 Speciation 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)
9 Lock-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)
8 Determination 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)
7 Characteristic 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)
6 Direct 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)
5 Counterionic 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)
4 A 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)
3 Partitioning 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)
2 Evaluation 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)
1 Direct 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)