Magnetic hydrophobic solids prepared from Pickering emulsions for the extraction of polycyclic aromatic hydrocarbons from chamomile tea

Yu, 2017, Graphene oxide/chitosan aerogel microspheres with honeycomb-cobweb and radially oriented microchannel structures for broad-spectrum and rapid adsorption of water contaminants, ACS Appl. Mater. Interfaces, 9, 21809, 10.1021/acsami.7b04655 Terborg, 2015, Porous polymer monolithic columns with gold nanoparticles as an intermediate ligand for the separation of proteins in reverse phase-ion exchange mixed mode, J. Adv. Res., 6, 441, 10.1016/j.jare.2014.10.004 Lucena, 2011, Potential of nanoparticles in sample preparation, J. Chromatogr. A, 1218, 620, 10.1016/j.chroma.2010.10.069 Heidari, 2012, Preparation and characterization of ceramic/carbon coated Fe3O4 magnetic nanoparticle nanocomposite as a solid-phase microextraction adsorbent, J. Chromatogr. A, 1245, 1, 10.1016/j.chroma.2012.04.046 Ding, 2011, Magnetic solid‐phase extraction based on magnetic carbon nanotube for the determination of estrogens in milk, J. Separ. Sci., 34, 2498, 10.1002/jssc.201100323 Herrero-Latorre, 2015, Magnetic solid-phase extraction using carbon nanotubes as sorbents: a review, Anal. Chim. Acta, 892, 10, 10.1016/j.aca.2015.07.046 Silverstein, 2014, Emulsion-templated porous polymers: a retrospective perspective, Poly, 55, 304, 10.1016/j.polymer.2013.08.068 Zhang, 2005, Synthesis and applications of emulsion-templated porous materials, Soft Matter, 1, 107, 10.1039/b502551f J.W. Gibson, R.J. Holl, A.J. Tipton, Emulsion-based Processes for Making Microparticles, Google Patents, 2001. Pramauro, 1996 Du, 2015, High-internal-phase-emulsion polymeric monolith coupled with liquid chromatography–electrospray tandem mass spectrometry for enrichment and sensitive detection of trace cytokinins in plant samples, Anal. Bioanal. Chem., 407, 6071, 10.1007/s00216-015-8782-3 Nocera, 2014, Fluorescent microparticles fabricated through chemical coating of O/W emulsion droplets with a thin metallic film, RSC Adv., 4, 11564, 10.1039/c3ra47063f H. Zhu, L. Lei, B.G. Li, S. Zhu, Development of novel materials from polymerization of pickering emulsion templates, Polymer Reaction Engineering of Dispersed Systems, Springer2017, 101-119. Chevalier, 2013, Emulsions stabilized with solid nanoparticles: Pickering emulsions, Colloids Surf. A Physicochem. Eng. Asp., 439, 23, 10.1016/j.colsurfa.2013.02.054 Ramsden, 1904, Separation of solids in the surface-layers of solutions and ‘suspensions’(observations on surface-membranes, bubbles, emulsions, and mechanical coagulation), —Preliminary account, Proceedings of the royal Society of London, 72, 156, 10.1098/rspl.1903.0034 Pickering, 1907, Cxcvi.—emulsions, Journal of the Chemical Society, Transactions, 91, 2001, 10.1039/CT9079102001 Ikem, 2008, High internal phase emulsions stabilized solely by functionalized silica particles, Angew. Chem. Int. Ed., 47, 8277, 10.1002/anie.200802244 Menner, 2007, High internal phase emulsion templates solely stabilised by functionalised titania nanoparticles, Chem. Commun., 41, 4274, 10.1039/b708935j Shin, 2019, Preparation of a monolithic and macroporous superabsorbent polymer via a high internal phase Pickering emulsion template, J. Appl. Polym. Sci., 136, 48133, 10.1002/app.48133 Vílchez, 2011, Macroporous polymers obtained in highly concentrated emulsions stabilized solely with magnetic nanoparticles, Langmuir, 27, 13342, 10.1021/la2032576 Gálvez-Vergara, 2020, Switchable Pickering emulsions stabilized by polystyrene-modified magnetic nanoparticles, Colloids Surf. A Physicochem. Eng. Asp., 606, 125462, 10.1016/j.colsurfa.2020.125462 Oliva-Lamarca, 2019, Synthesis, characterization, and application of chemically interconnected carbon nanotube monolithic sorbents by photopolymerization in polypropylene caps, Anal. Bioanal. Chem., 411, 3291, 10.1007/s00216-019-01795-1 Ziegenhals, 2008, Polycyclic aromatic hydrocarbons (PAH) in various types of tea, Eur. Food Res. Technol., 228, 83, 10.1007/s00217-008-0909-8 Lin, 2005, Concentrations and health risk of polycyclic aromatic hydrocarbons in tea, Food Chem. Toxicol., 43, 41, 10.1016/j.fct.2004.08.010 Shi, 2016, Determination of polycyclic aromatic hydrocarbons in coffee and tea samples by magnetic solid-phase extraction coupled with HPLC–FLD, Food Chem., 199, 75, 10.1016/j.foodchem.2015.11.137 Drabova, 2012, Rapid determination of polycyclic aromatic hydrocarbons (PAHs) in tea using two-dimensional gas chromatography coupled with time of flight mass spectrometry, Talanta, 100, 207, 10.1016/j.talanta.2012.07.081 Ciemniak, 2019, Assessing the contamination levels of dried teas and their infusions by polycyclic aromatic hydrocarbons (PAHs), J. Consum. Prot. Food. Saf., 14, 263, 10.1007/s00003-019-01229-1