Search Results - "Marcé, R.M."

Efficient tandem solid-phase extraction and liquid chromatography-triple quadrupole mass spectrometry method to determine polar benzotriazole, benzothiazole and benzenesulfonamide contaminants in environmental water samples by Herrero, P., Borrull, F., Pocurull, E., Marcé, R.M.

“…•Simultaneous determination of benzotriazoles, benzothiazoles and benzenesulfonamides.•Separation of both tolyltriazole and toluenesulfonamide isomers were…”
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Molecularly-imprinted polymers: useful sorbents for selective extractions by Beltran, A., Borrull, F., Marcé, R.M., Cormack, P.A.G.

“…We review and discuss the most common protocols for synthesizing molecularly-imprinted polymers (MIPs), highlighting their main advantages and drawbacks. We…”
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Determination of glucocorticoids in sewage and river waters by ultra-high performance liquid chromatography–tandem mass spectrometry by Herrero, P., Borrull, F., Pocurull, E., Marcé, R.M.

“…► UHPLC–MS/MS method for determining nine glucocorticoids in environmental waters. ► We obtained limits of detection and quantification at low ng/L levels. ►…”
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New materials in sorptive extraction techniques for polar compounds by Fontanals, N., Marcé, R.M., Borrull, F.

“…This paper provides an overview of the new developments in material and format technology that improve the extraction of polar compounds in several extraction…”
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Synthesis by precipitation polymerisation of molecularly imprinted polymer microspheres for the selective extraction of carbamazepine and oxcarbazepine from human urine by Beltran, A., Marcé, R.M., Cormack, P.A.G., Borrull, F.

“…Two molecularly imprinted polymers (MIPs), in the physical form of well-defined polymer microspheres, were synthesised via precipitation polymerisation (PP)…”
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Determination of N-nitrosamines and nicotine in air particulate matter samples by pressurised liquid extraction and gas chromatography-ion trap tandem mass spectrometry by Aragón, M., Marcé, R.M., Borrull, F.

“…N-nitrosamines are potentially hazardous pollutants, classified as probable carcinogenic and mutagenic by the U.S. Environmental Protection Agency (EPA). In…”
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New hydrophilic materials for solid-phase extraction by Fontanals, N., Marcé, R.M., Borrull, F.

“…Solid-phase extraction (SPE) is increasingly being used as a sample-pre-treatment technique to cover a wide range of analytes, including the most polar. This…”
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Thermal desorption-gas chromatography–mass spectrometry method to determine phthalate and organophosphate esters from air samples by Aragón, M., Borrull, F., Marcé, R.M.

“…•Efficient method for determining phthalate and organophosphate esters in gas phase.•These compounds are for the first time determined in gas phase from…”
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Hydrophilic hypercrosslinked polymeric sorbents for the solid-phase extraction of polar contaminants from water by Bratkowska, D., Fontanals, N., Borrull, F., Cormack, P.A.G., Sherrington, D.C., Marcé, R.M.

“…Three new hypercrosslinked polymers with hydrophilic character arising from hydroxyl moieties in their skeletons have been prepared in microsphere format and…”
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Preparation of a polar monolithic stir bar based on methacrylic acid and divinylbenzene for the sorptive extraction of polar pharmaceuticals from complex water samples by Bratkowska, D., Fontanals, N., Cormack, P.A.G., Borrull, F., Marcé, R.M.

“…► We prepared a new polar monolithic coating based on poly(MAA-co-DVB) for SBSE. ► The new coating was applied for the SBSE of polar analytes from water…”
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Determination of polyether ionophores in urban sewage sludge by pressurised liquid extraction and liquid chromatography–tandem mass spectrometry: Study of different clean-up strategies by Herrero, P., Borrull, F., Marcé, R.M., Pocurull, E.

“…► Several clean-up strategies to reduce the matrix effect in sewage sludge extracts were studied. ► Pressurised liquid extraction provides recoveries up to 90%…”
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Synthesis and application of hypercrosslinked polymers with weak cation-exchange character for the selective extraction of basic pharmaceuticals from complex environmental water samples by Bratkowska, D., Marcé, R.M., Cormack, P.A.G., Sherrington, D.C., Borrull, F., Fontanals, N.

“…The synthesis of high specific surface area sorbents (HXLPP-WCX) in the form of hypercrosslinked polymer microspheres with narrow particle size distributions,…”
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Novel amide polar-embedded reversed-phase column for the fast liquid chromatography–tandem mass spectrometry method to determine polyether ionophores in environmental waters by Herrero, P., Borrull, F., Pocurull, E., Marcé, R.M.

“…► Fast LC–MS/MS method to determine five polyether ionophores in environmental waters. ► SPE procedure developed provides recoveries close to 90% for all…”
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Synthesis and application of a carbamazepine-imprinted polymer for solid-phase extraction from urine and wastewater by Beltran, A., Caro, E., Marcé, R.M., Cormack, P.A.G., Sherrington, D.C., Borrull, F.

“…A molecularly imprinted polymer (MIP) designed to enable the selective extraction of carbamazepine (CBZ) from effluent wastewater and urine samples has been…”
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Solid-phase microextraction coupled to high-performance liquid chromatography to determine phenolic compounds in water samples by Peñalver, A, Pocurull, E, Borrull, F, Marcé, R.M

“…Solid-phase microextraction (SPME) coupled to high-performance liquid chromatography (HPLC) with ultraviolet (UV) and electrochemical detection (ED) has been…”
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Comparison of different fibers for the solid-phase microextraction of phthalate esters from water by Peñalver, A., Pocurull, E., Borrull, F., Marcé, R.M.

“…Solid-phase microextraction (SPME) coupled to gas chromatography–mass spectrometry (GC–MS) has been applied to determine six phthalate esters and one adipate…”
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New polymeric and other types of sorbents for solid-phase extraction of polar organic micropollutants from environmental water by Masqué, N, Marcé, R.M, Borrull, F

“…This article describes different types of sorbents for the solid-phase extraction of polar organic pollutants from environmental water and emphasizes the use…”
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Stir bar sorptive extraction and large volume injection gas chromatography to determine a group of endocrine disrupters in water samples by Peñalver, A, Garcı́a, V, Pocurull, E, Borrull, F, Marcé, R.M

“…Stir bar sorptive extraction (SBSE) combined with gas chromatography (GC) with mass spectrometric detection (MS) has been applied to determine a group of…”
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Application of on-line solid-phase extraction–gas chromatography–mass spectrometry to the determination of endocrine disruptors in water samples by Brossa, L, Marcé, R.M, Borrull, F, Pocurull, E

“…We have applied a method based on solid-phase extraction (SPE), on-line coupled to gas chromatography–mass spectrometry through an on-column interface, to…”
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Comparison of different sorbents for on-line solid-phase extraction of pesticides and phenolic compounds from natural water followed by liquid chromatography by Masqué, N, Marcé, R.M, Borrull, F

“…Three different sorbents, Carbopack B, a carbon black, Bond Elut PPL, a functionalized polymeric resin, and HYSphere-1, a higher cross-linking polymeric resin,…”
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