A Polymer Monolith Incorporating Stellate Mesoporous Silica Nanospheres for Use in Capillary Electrochromatography and Solid Phase Microextraction of Polycyclic Aromatic Hydrocarbons and Organic Small Molecules

Overview

Journal Mikrochim Acta

Specialties Biotechnology
Chemistry

Date 2018 Sep 5

PMID 30178314

Citations 1

Authors

Xiu-Jie Zhou

Li-Shun Zhang

Wen-Fang Song

Yan-Ping Huang

Zhao-Sheng Liu

Affiliations

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Abstract

An inorganic-organic hybrid monolith incorporated with stellated mesoporous silica nanoparticles (SMSNs) was prepared. Using binary solvents, deep eutectic solvents and room temperature ionic liquids, an SMSN-incorporated poly(butyl methacrylate-co-ethylene glycol dimethacrylate) monolith demonstrated uniform structure with good column permeability. A systematic investigation of preparation parameter was performed, including SMSN content, crosslinking monomer content, and the component of binary solvent. The optimized monoliths were characterized by field emission scanning electron microscopy, transmission electron microscopy, area scanning energy dispersive spectrometry, and nitrogen adsorption. Column performance was tested by separating four groups of analytes (alkylbenzenes, anilines, naphthalenes and phenols) by capillary electrochromatography (CEC). Baseline separation of all analytes was obtained with column efficiencies of up to 266,000 plates m. The performance of the resulting monolith was further investigated in detail by separating mixtures of polycyclic aromatic hydrocarbons (PAHs), nonsteroidal antiinflammatory drugs (NSAIDs), and hydroxybenzoic acid isomers. Compared with the corresponding SMSN-free monolith, the CEC performance was improved by about six times. Successful extraction of PAHs and quinolones (QNs) were also performed using this capillary. Improved extraction efficiency (20.2%) for complex samples, lake water, was also found when the material was applied to solid phase microextraction of fluoranthene. Graphical abstract A poly(butyl methacrylate-co-ethylene glycol dimethacrylate) monolith incorporated with stellated mesoporous silica nanoparticles was prepared. It demonstrated column efficiency up to 266,000 plates m in capillary electrochromatography and ability as solid phase microextraction for organic small molecules with good column permeability.

Citing Articles

Polymer Science and Engineering Using Deep Eutectic Solvents.

Roda A, Matias A, Paiva A, Duarte A Polymers (Basel). 2019; 11(5).

PMID: 31117221 PMC: 6572283. DOI: 10.3390/polym11050912.

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