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Ionization Mechanism in Surface Plasmon Enhanced Laser Desorption/Ionization
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- Nagoshi Keishiro
- Department of Chemistry, Tokyo Metropolitan University, Japan
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- Sakata Kazuhiro
- Department of Chemistry, Tokyo Metropolitan University, Japan
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- Shibamoto Kohei
- Department of Chemistry, Tokyo Metropolitan University, Japan
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- Korenaga Takashi
- Department of Chemistry, Tokyo Metropolitan University, Japan
Description
We researched contribution of a charge transfer (CT) effect to desorption/ionization mechanism in our ultra-high sensitive laser desorption/ionization mass spectrometry based on surface plasmon (SP) excitation (SPLDI-MS). A quantity of CT electrons between a metal surface and sample molecules estimated from Raman measurement is correlated to a mass signal intensity of sample molecule in our SPLDI-MS method. A sample system with a larger quantity of CT electrons gave a higher mass signal intensity. Efficient use of the CT effect would lead to development of a higher sensitive SPLDI-MS and this development would contribute to advancement of various fields. [DOI: 10.1380/ejssnt.2009.93]
Journal
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- e-Journal of Surface Science and Nanotechnology
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e-Journal of Surface Science and Nanotechnology 7 93-96, 2009
The Japan Society of Vacuum and Surface Science
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Keywords
Details 詳細情報について
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- CRID
- 1390282680163699840
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- NII Article ID
- 130004439125
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- ISSN
- 13480391
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- Abstract License Flag
- Disallowed
