Researcher Information - TAKAGAI YOSHITAKA |

TAKAGAI YOSHITAKA

Department / Course Fukushima University Faculty of Symbiotic Systems Science

Job Professor

Academic conference presentation
2025/03/27	Distribution of Radioactive Strontium-90 in Skull Bone of Wild Small Animals Determined by Thermal Ionization Mass Spectrometry (Thirteenth International Conference on Methods and Applications of Radioanalytical Chemistry(MARC XIII))
2025/03/04	Development of Classification Method for Stainless Steel Materials in Using Multi Component Elements Data Obtained From Partially Dissolving Solutions (Pittcon 2025 - Conference and Expo)
2025/03/04	Development of solid-phase extraction-based flow separation and enrichment system prior to instrumental analysis (Pittcon 2025 - Conference and Expo)
2025/03/04	Functional Expression in Zwitterionic Cloud Point Extraction for Preconcentration Prior to Analytical Instrumentation and Its Chemical Synthesis Approaches (Pittcon 2025 - Conference and Expo)
2025/03/04	Influence of sample matrix on simultaneous actinide determination by online solid phase extraction-inductively coupled plasma-mass spectrometry (Pittcon 2025 - Conference and Expo)
2024/12/05	Development of Intelligent Flow System Based on Solid-Phase Reactions for Synthesis of 3-iodobenzylamine (23rd International Conference on Flow Injection Analysis and Related Techniques(23rd ICFIA))
2024/07/25	Separation of Astatine-211 minority chemical species in aqueous solution by ion pair chromatography (3 rd International Conference on Advanced Materials and Characerization(AMC-2024))
2024/07/25	Separation of niobium using silica gel and its application to niobium analysis (3 rd International Conference on Advanced Materials and Characerization(AMC-2024))
2024/06/26	Dual port chamber expands the potential of ICP-MS in radionuclide analysis (66th International Conference on Analytical Sciences and Spectroscopy (ICASS 2024))
2024/06/26	Material Classification Method for Stainless Steel Series Using Multi-Element Component Data Obtained by ICP-MS in Partially Dissolving Materials (66th International Conference on Analytical Sciences and Spectroscopy (ICASS 2024))
2023/10/11	Gold Nanoparticle Catalytic Flow Synthesis and Cycle Monitor System Utilizing on Solid Phase Extraction (ASIANALYSIS XVI, 2023)
2023/09/08	Mass-Spectrometric Analysis of Radionuclides in Environment (International Symposium for the 80th Anniversary of the Tohoku Branch of the Chemical Society of Japan)
2023/07/28	Dual port chamber for the functional analysis in ICP-MS (65th International Conference on Analytical Sciences and Spectroscopy (ICASS 2023))
2023/07/27	A new quantification method for trace elements using ablation-inductively coupled plasma-mass spectrometry (65th International Conference on Analytical Sciences and Spectroscopy (ICASS 2023))
2023/07/27	Original Materials Profiling Using ICP-MS Multi Elements Data and Multi Variate Analysis in Complicated Mixture Solutions (65th International Conference on Analytical Sciences and Spectroscopy (ICASS 2023))
2023/07/12	Direct Quantification of 90Sr in Biosamples Using Isotope Dilution–Thermal Ionization Mass Spectrometry Assisted by Quadrupole Energy Filtering (Goldshcmidit 2023)
2023/07/11	Gas phase reaction of trace iodine-129 for determination by ICP–DRC–MS/MS (Goldshcmidit 2023)
2023/05/11	Sequential Analysis of 36Cl by Ion Chromatography-ICP-MS/MS with Deuterium Gas Reaction via Dynamic Reaction Cell (3rd International Conference on Radioanalytical and Nuclear Chemistry (RANC-3))
2023/05/11	Simultaneous Determination of Actinide-isotopes by Online Solid-Phase Extraction–Inductively Coupled Plasma–Mass Spectrometry (3rd International Conference on Radioanalytical and Nuclear Chemistry (RANC-3))
2022/10/16	Quantitative Imaging of Radioactive Sr-90 Using Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry (International Topical Workshop on Fukushima Decommissioning Research 2022 (FDR2022))
2022/07/14	Detecting low levels of radioactive Sr in environmental samples using RPQ-TIMS (Goldschmidt 2022)
2022/07/12	Quantification of trace amount of ⁹⁰Sr in small size biosamples using isotope dilution–energy filtered thermal ionization mass-spectrometry: controlling the background noise from natural Sr in samples (The 8th International Symposium on Metallomics)
2022/07/12	The imaging of stable Sr isotopes and radioactive ⁹⁰Sr by using laser ablation ICP-MS/MS (The 8th International Symposium on Metallomics)
2022/07/12	Using CO₂ Reaction to Achieve Mass-Spectrometric Discrimination for Pu isotopic analysis with Inductively Coupled Plasma–Mass Spectrometry (The 8th International Symposium on Metallomics)
2021/12/21	New perspectives on surfactant mediated extractions (Pacifichem 2021)
2021/12/21	One-pot extractive synthesis of gold nanomaterials with additive control of shape via utilization of zwitterionic micelles and their cloud point behavior (Pacifichem 2021)
2021/12/19	Analytical method for determining high-relativite site groups in very small area by multicomponent chemical and principal component data analysis (Pacifichem 2021)
2021/12/19	Synthesis of an amphoteric solid phase resin with incorporated gold-nanoparticles and its application as a catalyst (Pacifichem 2021)
2021/12/18	Homogeneous liquid-liquid microextraction of actinides and lanthanides in seawater (Pacifichem 2021)
2021/12/17	Flow injection based sequential inductively coupled plasma mass-spectrometric analysis for quantification of radioactive strontium (Pacifichem 2021)
2021/12/07	Direct Determination of Atogram Levels of Radioactive ⁹⁰Sr in Micro-droplet Samples Using Isotope Dilution - Total Evaporation - Thermal Ionization Mass-Spectrometry Assisted by Retarding Potential Quadrupole Energy Filters (RSC Tokyo International Conference 2021)
2021/12/07	Quantification of Technetium-99 using Indctively Coupled Plasma Dynamic Raction Cell- Mass-Spectrometry with Online Solid-Phase Extraction (RSC Tokyo International Conference 2021)
2021/12/06	Evaluation of concentration method for gold nanoparticles using pH responsiveness of casein (RSC Tokyo International Conference 2021)
2021/09/27	Uptake of ¹³⁷Cs from soil and irrigation water by rice plants cultivated with the pot experiment (2021 International Symposium on the Environmental Dynamics of Radionuclides and the Biological Effects of LowDose-rate Radiation)
2021/03/04	Quantification and Evaluation of the Strontium-90 Concentrations in soil of Fukushima Prefecture before and after the Fukushima Daiichi Nuclear Accident (Fukushima Dai-ichi and the Ocean: 10 years of study and insight)
2020/03/04	Sensitivity Improvement of TIMS Quantification of Strontium-90 following Retarding Potential Quadrupole Lens Filltration (Pittcon 2020 conference & Expo)
2020/03/03	Fabrication and Properties of Gold Nano-Urchins at Room Temperature Using a Mixed Reductant System (Pittcon 2020 conference & Expo)
2020/03/03	Nanorod synthesis method using water exclusion effect in precipitated phase by cloud point extraction (Pittcon 2020 conference & Expo)
2019/09/04	Self-spot assembly of silver nanoparticles in emulsion induced by thermoresponsive molecular coating (RSC Tokyo International Conference 2019)
2019/06/28	Dual spray chamber for ICP-MS or ICP-OES ―Simultaneous Measurement of Incompatible Elements (63rd International Conference on Analytical Sciences and Spectroscopy (ICASS))
2019/06/18	Synthesis and characterization of zwitterionic-type resin for high performance liquid chromatography and its application to amino acids separation (48th International Symposium on High-Performance Liquid Phase Separations and Related Techniques (HPLC 2019))
2019/06/17	Manipulation of the cloud point temperature of triton x-100 and its application for the cloud point extraction and high performance liquid chromatography mass spectrometric quantification of veterinary medicine macrolides (48th International Symposium on High-Performance Liquid Phase Separations and Related Techniques (HPLC 2019))
2019/03/17	Control of Cloud Point Temperature of Triton X in Cloud Point Extraction and Impact on Extraction Behavior (日本化学会第99春季年会)
2019/03/17	Identification and Development of Removal Methods as Noise Factor of Strontium 90 in Thermal Ionization Mass Spectrometry (日本化学会第99春季年会)
2019/03/17	Synthesis of Hydroxamic Acid-Immobilized Polymer Particle and Its Application to Removal of Fertile Elements (日本化学会第99春季年会)
2018/04/13	Rapid Analysis of Strontium 90 by Inductively Coupled Plasma Quadrupole Mass-Spectrometric Approach (11th International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XI))
2018/04/11	Development of Shiderophore Chelate-Modified Polymer Particle and Its Application to Removal of Uranium Ion (11th International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XI))
2018/04/10	Development of ICP-MS or ICP-OES Dual Spray Chamber for Switchable Analysis in One Sample Injection and Its Application to Radioactive Material Analysis and Related Chemical Analysis (11th International Conference on Methods and Applications of Radioanalytical Chemistry (MARC XI))
2018/03/01	Simultaneous Quantitative Analysis of Radioactive Strontium and Radioactive Iodine by Cascade Type ICP-MS in Fukushima Daiichi Nuclear Power Plant (Pittcon 2018 conference & Expo)
2018/02/27	One Pot Synthesis of High Concentration of Silver-Nanoparticles in Surfactant Medium (Pittcon 2018 conference & Expo)
2018/02/27	The Development of New Type of Cyclonic Spray Chamber for ICP-MS or ICP-OES Combining Both Advantages of Gas Based Sample Introduction and Coaxial Nebulizer (Pittcon 2018 conference & Expo)
2018/02/27	Thermal Ionization Mass Spectrometric Quantification of Radioactive Strontium-90 Using Isotope Dilution-Total Evaporation Method (Pittcon 2018 conference & Expo)
2018/02/07	Rapid 90Sr analysis using ICP-QMS and its application to Fukushima Daiichi NPP (Sellafield meeting)
2017/11/13	Online Solid Phase Extraction with Isotope Dilution ICP Mass Spectrometry of Radioactive 90Sr and Its Application to Radioactive Waste Water in Fukushima Daiichi Nuclear Power Plant (7th Asia-Pacific Winter Conference on Plasma Spectrochemistry (APWC))
2017/09/07	One-pot Preparation of Size-controllable Condensed Gypsum Nanorods in the Surfactant Mediated Extraction (SC Tokyo International Conference 2017)
2017/08/22	Surfactant mediated one-pot synthesis with in situ preconcentration of metal nanomaterials using thermoresponsive zwitterionic type surfactants (254th ACS National Meeting & Exposition)
2017/07/03	Development of Micro-Polymeric Remover for Uranium Ion (The 2nd The International Forum on the Decommissioning on the Fukushima Daiichi Nuclear Power Station)
2017/07/03	Development of Quantitative Method for Strontium-90 Using Thermal Ionization Mass-Spectrometry (The 2nd The International Forum on the Decommissioning on the Fukushima Daiichi Nuclear Power Station)
2017/07/03	ICP Mass-Spectrometric Analysis of Radioactive StrontiumWithout Calibration Curve (The 2nd The International Forum on the Decommissioning on the Fukushima Daiichi Nuclear Power Station)
2017/07/03	Simultaneous Quantification Method for Radioactive Strontium and Radioactive Iodine in ICP-MS (The 2nd The International Forum on the Decommissioning on the Fukushima Daiichi Nuclear Power Station)
2017/05/27	On-line solid-phase extraction for sequential determination of strontium and nickel by microwave plasma atomic emission spectrometry (第77回日本分析化学会討論会)
2017/05/14	Surfactant Mediated Extraction as a Means of Synthetic and Sample Preparation and Preconcentration (The 41st International Symposium on Capillary Chromatography & the 14th GCxGC Symposium)
2017/03/09	One-Pot Size-Controllable Synthesis with In Situ Preconcentration of Calcium Sulfate Nanorods via Use of Thermoresponsive Nonionic Surfactants (Pittcon 2017 conference & Expo)
2017/03/08	Automatized Measurement Both Recovery Rate and Quantification of Radioactive Strontium-90 Utilizing a Split Flow Connecting into Online Solid Phase Extraction System Prior to ICP-MS (Pittcon 2017 conference & Expo)
2017/03/08	Simple Radiometric Quantification for Strontium-90 Using IronBarium Coprecipitation Following Gross Beta Measurement and the Application to Sea Water Around Fukushima (Pittcon 2017 conference & Expo)
2017/03/08	Synthesis and Evaluation of Desferrioxamine B-Modified Acrylic Resins and Its Adsorbability of Uranium(VI) Ion (Pittcon 2017 conference & Expo)
2017/03/08	Utilization of Zwitterionic Thermoresponsive Surfactants for the Synthesis and In Situ Preconcentration of Monodispersed Spherical Gold Nanoparticles (Pittcon 2017 conference & Expo)
2016/11/07	Rapid analysis of Sr-90 (Conference on Post-accident Waste Management Safety (RCWM2016))
2016/11/04	Smart Condensation of Spherical Gold Nanoparticles in Surfactant-Rich Medium (the 12th Japan-Korea Symposium on Materials and Interfaces, International Symposium on Frontiers in Chemical Engineering)
2016/09/09	Comparison of 90Sr concentrations on surface soil between before and after Fukushima Dai-ichi nuclear power station accident in whole area of Fukushima prefecture (RSC Tokyo International Conference)
2016/03/02	Impact of Coexistent Elements and Its Concentration in the Quantification of Strontium-90 Using ICP-MS with Cascade Separation System (Pittsburg Conference & Exposition 2016)
2015/12/19	Approach to the structural analysis of PFOA/ TBA+ ionic liquid used in homogeneous liquid-liquid extraction method (HoLLE) (2015 International Chemical Congress of Pacific Basin Societies (2015 Pacifichem))
2015/12/19	Cloud point extraction of metallic nanoparticles using zwitterionic surfactants (2015 International Chemical Congress of Pacific Basin Societies (2015 Pacifichem))
2015/12/19	One-pot preparation of nanoparticle chains via self-assembly of in situ synthesized gold nanoparticles in a zwitterionic surfactant-rich medium (2015 International Chemical Congress of Pacific Basin Societies(2015 Pacifichem))
2015/12/16	Scientific aspects in development of the certified reference materials of fish meat and bone for determining radioactivity from FDNPP: Cs-134, Cs-137, and Sr-90 (2015 International Chemical Congress of Pacific Basin Societies (2015 Pacifichem))
2015/09/13	Inductively Coupled Plasma Quadrupole Mass-spectrometric Quantification of Radioactive Strontium 90 with Cascade Separation for the Contaminated Liquid Samples of Fukushima Daiichi Nuclear Power Plant (平成27年度化学系学協会東北大会)
2015/09/04	Discovery of Imogolite-like Aluminumsilicate-based Colloidal Stumpy Hollow Nanoparticles in Goshiki-numa Pond Community and Its Electron Tomographic Analysis, RSC Tokyo International Conference (RSC Tokyo International Conference)
2015/09/03	Development of Radioactive Strontium-90 Analytical System Using Inductively Coupled Plasma Mass-spectrometry Following Cascade-step Separation System (RSC Tokyo International Conference)
2015/04/15	Certified Reference Materials of Agricultural Products and Foods Bearing Radioactivity Derived from FDNPP, MARC X (American Nuclear Society International Topical Conference)
2014/03/17	Surfactant mediated extraction of nanomaterials (247th American Chemical Society National Meeting & Exposition)
2014/03/10	Quantification of Radioactive 90Sr Using ICP-QMS and its Application to Fukushima's Radioactive Contamination Survey (PerkinElmer Inc meeting)
2014/03/06	Isotope Ratio Analysis of 235U and 238U Nuclide Using a Microwave Digestion Associated with ICP-MS and the Soil Survey Related to Fukushima Daiichi Nuclear Disaster (Pittsburg Conference & Exposition 2014)
2014/03/05	Sample Preparation and Quantification of Arsenic Compounds in Insoluble Gypsum Wallboards (Pittsburg Conference & Exposition 2014)
2014/03/03	Controllable Assembly of Spherical Gold Nanoparticles into One-Dimensional (1-D) Nanochains via Utilization of a Zwitterionic Surfactant and Associated Cloud Point Extraction Step (Pittsburg Conference & Exposition 2014)
2014/03/02	Quantification of Radioactive Strontium-90 Using ICP-QMS with On-Line Serial Separation and its Application to Radioactive Contamination Survey (Pittsburg Conference & Exposition 2014)
2013/11/16	A new analytical pretreatment method for GC-MS analysis in quantification of 104 kinds of Herbicide / Pesticide residue in vegetable (TJASSST 2013)
2013/11/16	Surfactant Mediated Extraction of Environmental Polutants for Gas Chromatography Mass Spectrometric Analysis (TJASSST 2013)
2013/11/16	Synthesis and evaluation of cellulose bearing covalently linked metal phthalocyanine and porphyrine derivatives and its application to the removal of environmental mutagens (TJASSST 2013)
2013/09/29	Gas chromatography mass-spectrometric quantification of pesticide residues in fresh vegetables followed by freeze drying-ternary component system in homogeneous liquid-liquid extraction (平成25年度化学系学協会東北大会)
2013/09/29	Synthesis and evaluation of various metal phthalocyanine-linked celluloses and the adsorption properties of polycyclic aromatic hydrocarbons (平成25年度化学系学協会東北大会)
2013/09/28	Additive Effects on Size Recognition in the Nonionic Surfactant Mediated Extraction of Silver Nanoparticles (the International Symposium for the 70th Anniversary of the Tohoku Branch of the Chemical Society of Japan, "MICHINOKU Symposium on Analytical Sciences)
2012/10/25	Flow-injection Spectrophotometric Determination of alpha-Amylase Activity Using the Degradation of Starch-Iodine Complex Coloration (Flow Chemistry ASIA 2012)
2012/09/24	Development of Indirect Determination Method of Cellulase Concentration in Environment Using Biodigestion of Metal-Complex Modified Cellulose (SETAC Asia Pacific 2012)
2012/07/04	Inductively Coupled Plasma-Optical Emission Spectrometric Quantifications of Cellulase and its Activity Assay Using Biodigestion of Metal-pigment Complex Modified Cellulose (Analytical Research Forum 2012)
2012/07/04	Isotope ratio analysis of 235U and 238U nuclide using a microwave digestion associated with ICP-MS and the soil survey related to Fukushima Daiichi nuclear disaster (Analytical Research Forum 2012)
2012/03/08	Distribution of radionuclides in cattle: Studies on Japanese Black cattle left in the evacuation area (International science symposium on combating radionuclide contamination in agro-soil environment)
2010/12/18	Size recognition in the nonionic surfactant mediated extraction of silver nanoparticles (2010 International Chemical Congress of Pacific Basin Societies (2010 Pacifichem))
2010/12/16	Cloud point extraction and preconcentration of silver nanoparticles using a zwitterionic surfactant (2010 International Chemical Congress of Pacific Basin Societies (2010 Pacifichem))
2010/12/16	Pretreatment of ivermection in meat tissue samples for gas- or liquid- chromatographic - mass spectrometry analysis (2010 International Chemical Congress of Pacific Basin Societies (2010 Pacifichem))
2010/12/16	Turn-on Fluorescent Polymeric Microparticle Sensors for the Determination of Ammonia and Amines in the Vapor State (2010 International Chemical Congress of Pacific Basin Societies (2010 Pacifichem))
2010/05/20	Complexity in the Nonionic Surfactant Mediated Extraction of Gold Nanoparticles (27th American Chemical Society Triangle Chromatography Symposium and Instrument Exhibit)
2010/03/03	Additive Effects in the Surfactant Mediated Extraction of Silver Nanoparticles (Pittcon 2010)
2010/03/01	Complexity in the Surfactant Mediated Extraction of Nanoparticles (Pittcon 2010)
2009/10/04	Cloud Point Extractions: Current State of the Art (11th International Symposium on Advances in Extraction Technologies)
2009/05/21	Cloud Point Extraction with Surfactant Derivativization as an Enrichment Step Prior to Gas Chromatographic or Gas Chromatography ? Mass Spectrometric Analysis (26th American Chemical Society Triangle Chromatography Symposium and Instrument Exhibit)
2007/08/30	Preconcentration Coupling System for Chromatographic Techniques and Its Application to Environmental Pollutants (Asia Young Analytical Chemist Session 2007 　-Tokyo Conference 2007-)
2007/06/20	Coupling Preconcentration System for Polycyclic Aromatic Hydrocarbons prior to High Performance Liquid Chromatography with Fluorescence Detector (31st International Symposium on High Performance Liquid Phase Separations and Related Techniques)
2005/12/16	Adsorption and desorption properties of polyphenol derivatives on cellulose cotton (2005 International Chemical Congress of Pacific Basin Societies)
2005/06/13	Powerful preconcentration method for ultra trace amounts of polycyclic aromatic hydrocarbons and its application to the environmental analysis (79th American Chemical Society Colloid and Surface Science Symposium)
2003/06/01	Ultra-powerful preconcentration system “Triplex” for the analysis of endocrine disrupting chemicals (49th International Conference on Analytical Sciences)
2001/11/23	Capillary electrophoresis-UV determination of ultra trace Tryptophan derivatives following two-step concentration and separation system (分析化学会第50年会留学生・若手研究者国際研究発表会)
2001/08/09	Development of two-step concentration system for capillary electrophoresis following the homogeneous liquid-liquid extraction method and sweeping method (2001 IUPAC International Congress on Analytical Science)
2000/12/17	Development of simple preconcentration method for the endocrine disrupting chemicals analysis by gas-chromatography / mass-spectrometry (2000 International Chemical Congress of Pacific Basin Societies)