Supersonic jet/time-of-flight mass spectrometry of adenine using nanosecond and femtosecond lasers

Cheng Huang Lin; Junichi Matsumoto; Satoshi Ohtake; Totaro Imasaka

doi:10.1016/0039-9140(96)01978-9

Supersonic jet/time-of-flight mass spectrometry of adenine using nanosecond and femtosecond lasers

Cheng Huang Lin, Junichi Matsumoto, Satoshi Ohtake, Totaro Imasaka

化學系

研究成果: 雜誌貢獻 › 文章 › 同行評審

10 引文斯高帕斯（Scopus）

摘要

Mass spectra and ionization efficiencies of adenine were measured, with nanosecond (15 ns) and femtosecond (500 fs) laser pulses at identical energy levels. A molecular ion is clearly observed in both spectra, but the efficiency is improved 10-fold when a femtosecond laser is used, indicating the distinct advantage of ultrashort laser pulses for multiphoton ionization of nucleobases in supersonic jet spectrometry.

原文	英語
頁（從 - 到）	1925-1929
頁數	5
期刊	Talanta
卷	43
發行號	11
DOIs	https://doi.org/10.1016/0039-9140(96)01978-9
出版狀態	已發佈 - 1996 十一月

ASJC Scopus subject areas

Analytical Chemistry

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10.1016/0039-9140(96)01978-9

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引用此

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author = "Lin, {Cheng Huang} and Junichi Matsumoto and Satoshi Ohtake and Totaro Imasaka",

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AU - Imasaka, Totaro

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AB - Mass spectra and ionization efficiencies of adenine were measured, with nanosecond (15 ns) and femtosecond (500 fs) laser pulses at identical energy levels. A molecular ion is clearly observed in both spectra, but the efficiency is improved 10-fold when a femtosecond laser is used, indicating the distinct advantage of ultrashort laser pulses for multiphoton ionization of nucleobases in supersonic jet spectrometry.

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KW - Mass spectra

KW - Nucleobases

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