Cluster calibration in mass spectrometry: laser desorption/ionization studies of atomic clusters and an application in precision mass spectrometry

被引:21
作者
Blaum, K [1 ]
Herlert, A
Huber, G
Kluge, HJ
Maul, J
Schweikhard, L
机构
[1] CERN, European Org Nucl Res, Div EPIS, CH-1211 Geneva 23, Switzerland
[2] GSI Darmstadt, D-64291 Darmstadt, Germany
[3] Univ Greifswald, Inst Phys, D-17487 Greifswald, Germany
[4] Univ Mainz, Inst Phys, D-55099 Mainz, Germany
关键词
atomic masses; carbon clusters; cluster calibration; fullerenes; gold clusters; laser desorption/ionization; MALDI-TOF; mass spectra; mass spectrometry;
D O I
10.1007/s00216-003-2168-7
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
For accurate mass measurements and identification of atomic and molecular species precise mass calibration is mandatory. Recent studies with laser desorption/ionization and time-of-flight analysis of cluster ion production by use of fullerene and gold targets demonstrate the generation of atomic clusters for calibration purposes. Atomic ion results from the Penning trap mass spectrometer ISOLTRAP, in which a carbon cluster ion source has recently been installed, are presented as an application in the field of precision mass spectrometry.
引用
收藏
页码:1133 / 1139
页数:7
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