Issue 5, 2015
From the journal:

Analyst

Magnetic graphene composites as both an adsorbent for sample enrichment and a MALDI-TOF MS matrix for the detection of nitropolycyclic aromatic hydrocarbons in PM2.5

Jiangang Zhang,ab   Li Zhang,b   Ruijin Li,a   Di Hu,c   Nengxuan Ma,a   Shaomin Shuang,a   Zongwei Cai*c  and  Chuan Dong*a  

* Corresponding authors

a Institute of Environmental Science, Shanxi University, Taiyuan 030006, P.R. China
E-mail: dc@sxu.edu.cn
Tel: +86 351 7011322

b School of Arts and Sciences, Shanxi Agricultural University, Taigu 030801, P.R. China

c State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong SAR, China
E-mail: zwcai@hkbu.edu.hk
Fax: +852 3411 7348
Tel: +852 3411 7070

Abstract

A simple and rapid method that uses synthesized magnetic graphene composites as both an adsorbent for enrichment and as a matrix in MALDI-TOF MS analysis was developed for the detection of nitropolycyclic hydrocarbons (nitro-PAHs) in PM2.5 samples. Three nitro-PAHs were detected down to sub pg μL−1 levels based on calculations from an instrumental signal-to-noise better than 3, which shows the feasibility of using the new materials in MALDI-TOF MS as a potential powerful analytical approach for the analysis of nitro-PAHs in PM2.5 samples.

Graphical abstract: Magnetic graphene composites as both an adsorbent for sample enrichment and a MALDI-TOF MS matrix for the detection of nitropolycyclic aromatic hydrocarbons in PM2.5

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Article information

DOI
https://doi.org/10.1039/C4AN02225D
Article type
Paper
Submitted
04 Dec 2014
Accepted
27 Dec 2014
First published
05 Jan 2015

Analyst, 2015,140, 1711-1716

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Magnetic graphene composites as both an adsorbent for sample enrichment and a MALDI-TOF MS matrix for the detection of nitropolycyclic aromatic hydrocarbons in PM2.5

J. Zhang, L. Zhang, R. Li, D. Hu, N. Ma, S. Shuang, Z. Cai and C. Dong, Analyst, 2015, 140, 1711 DOI: 10.1039/C4AN02225D

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