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Mikrochim Acta. 2018 Oct 11;185(11):505. doi: 10.1007/s00604-018-3038-5.

An amino-functionalized mesoporous silica (KIT-6) as a sorbent for dispersive and ultrasonication-assisted micro solid phase extraction of hippuric acid and methylhippuric acid, two biomarkers for toluene and xylene exposure.

Mikrochimica acta

Mohammad Behbahani, Saman Bagheri, Fariborz Omidi, Mostafa Mohammadpour Amini

Affiliations

  1. Faculty of Engineering, Shohadaye Hoveizeh University of Technology, Dasht-e Azadegan, Susangerd, Iran. [email protected].
  2. Department of Chemistry, Shahid Beheshti University, Evin, Tehran, Iran.
  3. Research Center for Environmental Determinants of Health (RCEDH), Kermanshah University of Medical Sciences, Kermanshah, Iran.

PMID: 30311000 DOI: 10.1007/s00604-018-3038-5

Abstract

The authors described a new application of amino-functionalized KIT-6 for dispersive ultrasonication-assisted micro solid phase extraction of hippuric acid (HA) and methyl hippuric acid (MHA) from human urine and water samples. In the first step, an amino-functionalized mesoporous silica of type KIT-6 was synthesized. It was characterized by field emission scanning electron microscopy, Fourier transform infrared spectrometry, nitrogen adsorption-desorption analysis, thermogravimetry and X-ray diffraction. Following sorption and desorption with 1.0 mL methanol/NH

Keywords: Box-Behnken design; High performance liquid chromatography; Metabolites; Occupational health; Simultaneous detection; Surface functionalization; Urine sample

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