Direct characterization of bulk samples by internal extractive electrospray ionization mass spectrometry

Hua Zhang, Haiwei Gu, Feiyan Yan, Nannan Wang, Yiping Wei, Jianjun Xu, Huanwen Chen

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

A straight-forward analytical strategy called internal extractive electrospray ionization mass spectrometry (iEESI-MS), which combines solvent extraction of chemicals inside a bulk sample with in situ electrospray ionization mass spectrometry, has been established to directly characterize the interior of a bulk sample with molecular specificity. The method allows both qualitative and quantitative analysis of analytes distributed in a 3-dimensional volume (e.g., 1 ∼ 100mm3) of various synthetic and biological matrices (e.g., chewing gum, leaves, fruits, roots, pork, lung tissues) without either mashing the sample or matrix separation. Using different extraction solvents, online chromatographic separation of chemicals inside the sample volume was observed during iEESI-MS analysis. The presented method is featured by the high speed of analysis, high sensitivity, low sample consumption and minimal sample preparation and/or degradation, offering unique possibilities for advanced applications in plant science, clinical diagnosis, catalyst studies, and materials science.

Original languageEnglish (US)
Article number2495
JournalScientific Reports
Volume3
DOIs
StatePublished - Sep 5 2013
Externally publishedYes

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Electrospray Ionization Mass Spectrometry
Chewing Gum
Fruit
Lung

ASJC Scopus subject areas

  • General

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Direct characterization of bulk samples by internal extractive electrospray ionization mass spectrometry. / Zhang, Hua; Gu, Haiwei; Yan, Feiyan; Wang, Nannan; Wei, Yiping; Xu, Jianjun; Chen, Huanwen.

In: Scientific Reports, Vol. 3, 2495, 05.09.2013.

Research output: Contribution to journalArticle

Zhang, Hua ; Gu, Haiwei ; Yan, Feiyan ; Wang, Nannan ; Wei, Yiping ; Xu, Jianjun ; Chen, Huanwen. / Direct characterization of bulk samples by internal extractive electrospray ionization mass spectrometry. In: Scientific Reports. 2013 ; Vol. 3.
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