Atmospheric pressure ionization permanent magnet Fourier transform ion cyclotron resonance mass spectrometry

被引：14

作者：

Vilkov, Andrey N.

Gamage, Chaminda M.

Misharin, Alexander S.

Doroshenko, Vladimir M.

Tolmachev, Dmitry A.

Tarasova, Irina A.

Kharybin, Oleg N.

Novoselov, Konstantin P.

Gorshkov, Michael V.

机构：

[1] MassTech Inc, Columbia, MD 21046 USA

[2] Russian Acad Sci, Inst Energy Problems Chem Phys, Moscow V71, Russia

来源：

JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY | 2007年 / 18卷 / 08期

关键词：

D O I：

10.1016/j.jasms.2007.05.010

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A new Fourier transform ion cyclotron resonance mass spectrometer based on a permanent magnet with an atmospheric pressure ionization source was designed and constructed. A mass resolving power (full-width-at-half-maximum) of up to 80,000 in the electron ionization mode and 25,000 in the electrospray mode was obtained. Also, a mass measurement accuracy at low-ppm level has been demonstrated for peptide mixtures in a mass range of up to 1200 m/z in the isotopically resolved mass spectra.

引用

收藏

页码：1552 / 1558

页数：7

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