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Detailed Investigation on the Possibility of Nanoparticles of Various Metal Elements for Surface-Assisted Laser Desorption/Ionization Mass Spectrometry
http://hdl.handle.net/10112/5945
http://hdl.handle.net/10112/594530e04dc4-56bf-47ca-9481-3da0b7ca58e7
名前 / ファイル | ライセンス | アクション |
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KU-1100-20090310-18.pdf (924.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2012-01-26 | |||||
タイトル | ||||||
タイトル | Detailed Investigation on the Possibility of Nanoparticles of Various Metal Elements for Surface-Assisted Laser Desorption/Ionization Mass Spectrometry | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yonezawa, Tetsu
× Yonezawa, Tetsu× Kawasaki, Hideya× Tarui, Akira× Watanabe, Takehiro× Arakawa, Ryuichi× Shimada, Toshihiro× Mafune, Fumitaka |
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著者別名 | ||||||
姓名 | 米澤, 徹 | |||||
著者別名 | ||||||
姓名 | 川崎, 英也 | |||||
著者別名 | ||||||
姓名 | 樽井, 章 | |||||
著者別名 | ||||||
姓名 | 渡辺, 健宏 | |||||
著者別名 | ||||||
姓名 | 荒川, 隆一 | |||||
著者別名 | ||||||
姓名 | 島田, 敏宏 | |||||
著者別名 | ||||||
姓名 | 真船, 文隆 | |||||
概要 | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper, we describe systematic detailed considerations of the feasibility of using various metal nanoparticles for organic-matrix-free surface-assisted laser desorption/ionization mass spectrometry (SALDI-MS). In order to avoid the influence of organic molecules on the nanoparticles, stabilizer-free bare nanoparticles of Ag,Au, Cu and Pt were prepared by laser ablation. Although all metal nanoparticles absorbed N2 laser light (337 nm) energy, the performance of desorption/ionization of a representative peptide, angiotensin I, strongly depended on the metal element. Citrate buffer was used as a proton source; it reduced the amount of alkali cation adducts present. Then, protonated molecules of analytes predominated in the mass spectra when Au and Pt nanoparticles were used. Pt nanoparticles showed the highest performance in SALDI-MS, owing to their smaller heat conductivity and higher melting temperature. The selective desorption of a cationic surfactant with longer alkyl chains and a peptide with methionine was also observed. |
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書誌情報 |
Analytical Sciences 巻 25, 号 3, p. 339-346, 発行日 2009-03-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 09106340 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10500785 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2116/analsci.25.339 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | The Japan Society for Analytical Chemistry | |||||
出版者(他言語) | ||||||
日本分析化学会 |