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- Title
Cobalt-doped nanoporous carbon as SALDI-TOF-MS adsorbent and matrix for quantification of cetyltrimethylammonium bromide, Rhodamine B and Malachite Green at sub-ppt levels.
- Authors
Zhen, Deshuai; Jiang, Ning; Geng, Hongchao; Qiao, Yan; Liu, Yu; Zhu, Xingqi; Gao, Chan; Grimes, Craig A.; Cai, Qingyun
- Abstract
Cobalt-doped nanoporous carbon (Co-NPC) with dodecahedral shape was pyrolytically synthesized and applied as a sorbent and matrix for the enrichment and analysis of small molecules by surface-assisted laser desorption/ionization time-of-flight mass spectrometry (SALDI-TOF MS). Extremely low detection limits were accomplished for cetyltrimethylammonium bromide (1 fg·mL−1), and Rhodamine B (1 fg·mL−1) in water, and Malachite Green and its metabolite in fish blood and fish extracts (pg·mL−1 concentrations).
- Subjects
MALACHITE green; RHODAMINE B; TIME-of-flight mass spectrometry; COBALT; CETYLTRIMETHYLAMMONIUM bromide; SMALL molecules; CARBON
- Publication
Microchimica Acta, 2019, Vol 186, Issue 11, pN.PAG
- ISSN
0026-3672
- Publication type
Article
- DOI
10.1007/s00604-019-3816-8