Search Results 1-20 of 6078

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Milestone Studies on Ion-exclusion Chromatography of Ionic and Nonionic Substances Utilizing Multifunctional Separation Mechanism of Ion-exchange Resins (A SPECIAL ISSUE ON ANALYTICAL SCIENCES REVIEW ISSUE 2021)

TANAKA Kazuhiko , MORI Masanobu

Analytical Sciences 37(1), 93-105, 2021-01
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Isolation and characterization of the major centipede allergen Sco m 5 from Scolopendra subspinipes mutilans

Lan Xin-Qiang , Zhao Feng , Wang Qi-Quan , Li Jiang-Hua , Zeng Lin , Zhang Yun , Lee Wen-Hui

… venom using Superdex 75 gel filtration and RESOURCE S ion chromatography, and its primary structure was determined via a combination of LC-MS-MS, MALDI-TOF/TOF and protein sequencing techniques. …

Allergology International 70(1), 121-128, 2021

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3

Milestone Studies on Ion-exclusion Chromatography of Ionic and Nonionic Substances Utilizing Multifunctional Separation Mechanism of Ion-exchange Resins

TANAKA Kazuhiko , MORI Masanobu

… Ion-exclusion chromatography (IEC) is categorized as a type of ion chromatography and is recognized as a simple and convenient water quality monitoring technology for a variety of ionic and nonionic substances. … (6) simultaneous IEC and cation-exchange chromatography of anions and cations; …

Analytical Sciences 37(1), 93-105, 2021

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4

Examination of the Interference Peak and Useful Chlorine Removal Reagents for Anion Analysis in Tap Water by Ion Chromatography [in Japanese]

豊﨑緑 , 本島しのぶ , 橋本博之 , 遠藤幸男

水道協会雑誌 = Journal of Japan Water Works Association 89(11), 23-30, 2020-11
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Differences in dissolved phosphate in shallow-lake waters as determined by spectrophotometry and ion chromatography (Special Feature : Phosphorus cycle in watersheds)

Yi Rong , Song Peixue , Liu Xin , Maruo Masahiro , Ban Syuhei

Limnology 21(3), 329-339, 2020-08
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10. Health Physics and Waste Management

… Yoshida et al.(31056) [266]CO10-5 Comparison of Chlorine Concentration in Each Municipal Solid Waste Fraction Measured by Neutron Activation Analysis and Bomb Calorimeter - Ion Chromatography /K. … Ohita et al.(31075) [267]CO10-6 Effect of Ammonium Ion Washing of Radiocesium Contaminated Soil /K. …

KURNS Progress Report (2019), 263-270, 2020-08

IR
7

Ion Chromatographic Decontamination of ¹³⁷Cs-enriched Fly Ash Using Poly(vinyl alcohol)-bound Copper Ferrocyanide as Cs Adsorbent

Ichikawa Tsuneki , Yamada Kazuo , Iwai Ryota , Kanazawa Yukihiro

Journal of the Society for Remediation of Radioactive Contamination in the Environment 8(2), 55-66, 2020-06

IR
8

Novel activity of Streptomyces aminopeptidase P

Wan Kun , Uraji Misugi , Yang Lingli , Nakahigashi Ryota , Hatanaka Tadashi

… Using an ion-trap liquid chromatography-mass spectrometry (LC-MS) apparatus, we demonstrate that XPO DUET could degrade FFVAPFPEVFGK, an allergic and bitter peptide, VAPFPEVFGK, and PEVFGK from tryptic casein. …

Bioresources and Bioprocessing 7(1), 20, 2020-04-03

IR
9

Resonant and Non-Resonant Femtosecond Ionization Mass Spectrometry of Organochlorine Pesticides

Lakshitha Madunil Siddihalu , Imasaka Totaro , Imasaka Tomoko

… Thirteen organochlorine pesticides in a standard sample mixture were measured by gas chromatography combined with mass spectrometry using an ultraviolet femtosecond laser (267 nm) as the ionization source, and the observed mass spectra were compared with the corresponding spectra obtained using an electron ionization source. … The optimal conditions for observing a molecular ion were investigated using data obtained for three pulse widths. …

Analyst 145(3), 777-783, 2020-02-07

IR
10

Development of Extraction Chromatography Resins for Metal Ion Separations in Analytical Radiochemistry [in Japanese]

マカリスターダニエル , 黒嵜拓 [訳] , ハッペルステファン , ホーウィッツ E.フィリップ

ぶんせき 2020(2), 44-50, 2020-02
11

Rapid and sensitive determination of sulfur anions containing polythionates and determination of polythionates using thiocyanate as an internal standard by ion chromatography [in Japanese]

三浦恭之

工業用水 = Journal of industrial water (658), 5-27, 2020-01
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Ion-exchange chromatographic separation of Ni from differentiated stony meteorites using hydrochloric acid-organic solvent media [in Japanese]

Saito Takaharu , Hidaka Hiroshi , Lee Seung―Gu

隕石中の60Niは、太陽系初期に存在した消滅核種の1つである60Fe(半減期260万年)の壊変に由来する過剰を示すことがあり、年代測定に利用することができる。従来、隕石を含む一般のケイ酸塩試料からのNiの分離には、ジメチルグリオキシム(DMG)とNiの錯形成反応が利用されてきたが、この方法にはDMGの分解に長時間を要する問題点があった。これに対して、近年、DMGを用いないNi分離 …

Abstracts of Annual Meeting of the Geochemical Society of Japan 67(0), 86, 2020

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13

Analysis of Japanese nationwide wet deposition dataset and comparison with recent observation [in Japanese]

Akitaya Mino , Yoshinaka Yukiko , Nojiri Yukihiro

 全国環境研協議会が1991年度から実施している酸性雨全国調査では1991-2015年度のうち、丸19年の期間において、全国50地点以上で採取した降水試料中の無機化学成分を分析し、データを国立環境研究所地球環境研究センターのデータベースから公開している。このデータセットから汚染や強いローカル排出源の影響とみなされる外れ値除去を行った。地下水観測のデータ表現にならってパイパープロ …

Abstracts of Annual Meeting of the Geochemical Society of Japan 67(0), 7, 2020

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14

Determination of Nitrate Ion in Cheese and Sake [in Japanese]

Sasaki Takahiro , Tahara Shoichi , Toyohara Ritsuko , Morikawa Mari , Sakamaki Narue , Sadamasu Yuki , Ushiyama Keiko , Yamajima Yukiko , Kobayashi Chigusa

第2版食品中の食品添加物分析法の方法（2版法）において，チーズでは抽出液が懸濁する場合，固形物が浮遊して定容が困難な場合，夾雑成分によりHPLC-UV分析が困難な場合がある．清酒では，共沈操作が不要と考えた．そこで，チーズについては抽出液の懸濁の原因となる水酸化ナトリウム溶液の添加量を減らし，固形物を除くため吸引ろ過後に定容する方法を確立した．清酒については，希釈後，遠心分離する …

Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi) 61(6), 229-234, 2020

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15

Cleanliness evaluation of cheical polished and precision cleaned copper [in Japanese]

Shionoiri Masakazu , Yoshihara Tadashi , Kimura Takayuki , Kurisu Hiroki

超高真空環境が必要な粒子加速器に使用される銅製部品は、高い清浄性が求められる。そのため、電解研磨や化学研磨後に精密洗浄を行うことが一般的である。本研究では、化学研磨後に精密洗浄した銅（C1020）の清浄性をイオンクロマトグラフィおよびガスクロマトグラフィ質量分析法で無機、有機残渣量を定量することで評価した。その結果、半導体業界での銅に対する残留イオン、有機物の許容量を下回る高い清 …

Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface Science 2020(0), 91, 2020

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16

Poly(ethylene glycol) Methyl Ether Methacrylate-bonded Stationary Phase in Ion Chromatography and Its Application to Seawater Samples

RONG Li , LIM Lee Wah , TAKEUCHI Toyohide

Analytical Sciences, 2020

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17

Studies on the distribution of tocopherols and phytosterols in commercial essential oils by GCMS-SIM analysis [in Japanese]

NAKASHIMA Etsuko , SUZUKI Satoru , SAWAMURA Masayoshi

本研究は，選択的イオンモニタリング（SIM）モードでのガスクロマトグラフィー–質量分析（GCMS）により，市販の117種類の精油中のα-, β-, γ-, δ-トコフェロールおよびフィトステロールであるカンペステロール，スチグマステロール，β-シトステロールの分布を明らかにしたものである。トコフェロールおよびフィトステロールは機能的特性を有し，抗酸化能，皮膚の角質化の防止，抗炎症 …

Japan Journal of Aromatherapy 21(4), 24-36, 2020

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18

Screening Method for the Quality Evaluation of Cannabidiols in Water-based Products Using Liquid Chromatography Tandem Mass Spectrometry

TAKASHINA Shiori , IGARASHI Yuki , TAKAHASHI Miki , KONDO Yukie , INOUE Koichi

… A sensitive, useful and preliminary screening method was proposed to quantitate the containable cannabinoids most commonly included in mineral water and gummi candy products, specifically cannabidiol (CBD), cannabinol (CBN), 11-nor-9-carboxy-Δ9-tetrahydrocannabinol (THCA), cannabigerol (CBG), and cannabidiolic acid (CBDA), using liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) for quality evaluations. …

Analytical Sciences 36(11), 1427-1430, 2020

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19

A rapid pretreatment method for the determination of pentosidine in human plasma by high performance liquid chromatography

Sakiyama Chieko , Yagi Masayuki , Miyazaki Shota , Sato Atsushi , Ishizaki Kaori , Yonei Yoshikazu

… There was a positive correlation between the measured plasma pentosidine levels and age, and a weak positive correlation with HbA1c.Regarding the value of skin autofluorescence (AF) resulting from AGEs and the plasma pentosidine level, the value measured by AGE Reader mu was positively correlated, while by AGEs Sensor was weakly positively correlated.Conclusion: The pretreatment time of the blood sample was shortened from about 12 hours in the ion pair-HPLC method to approximately 10 minutes by using the spin column. …

Glycative Stress Research 7(3), 211-219, 2020

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20

Quantitative Determination of H2 in Human Blood by 22Ne-aided Gas Chromatography–Mass Spectrometry Using a Single Quadrupole Instrument

TSUJITA Akira , NAGASAKA Asami , OKAZAKI Hidehiko , OGAWA Shin , GOHDA Akinaga , MATSUI Toshiro

… detection by gas chromatography–selected ion monitoring–mass spectrometry (GC-SIM-MS) using a single quadrupole instrument. …

Analytical Sciences 36(10), 1231-1236, 2020

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