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

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

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
43
發行號11
DOIs
出版狀態已發佈 - 1996 十一月

ASJC Scopus subject areas

  • Analytical Chemistry

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