Search Results - "MATEJICEK, David"

On-line two-dimensional liquid chromatography–tandem mass spectrometric determination of estrogens in sediments by MATEJICEK, David

“…The development of an on-line system for the simultaneous determination of α-estradiol, β-estradiol, estrone and 17α-ethynylestradiol in river sediments is…”
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Multi heart-cutting two-dimensional liquid chromatography–atmospheric pressure photoionization-tandem mass spectrometry method for the determination of endocrine disrupting compounds in water by David, Matejicek

“…► A significant decrease of matrix effect was achieved by 2D-chromatography. ► PQRI database was used to evaluate “difference” in selectivities of columns. ►…”
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Hydrophilic interaction chromatography with Fourier transform mass spectrometry of monosaccharide anhydrides by Matjicek, David, Vasickova, Jana

“…A fast, selective, and sensitive method for the determination of three monosaccharide anhydrides (galactosan, mannosan, levoglucosan), based on hydrophilic…”
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High performance liquid chromatography/ion-trap mass spectrometry for separation and simultaneous determination of ethynylestradiol, gestodene, levonorgestrel, cyproterone acetate and desogestrel by MATEJICEK, David, KUBAN, Vlastimil

“…A fast and highly sensitive high performance liquid chromatographic/ion-trap mass spectrometric method (LC/MS) has been developed for simultaneous…”
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Combined isolation and purification procedures prior to the high-performance liquid chromatographic–ion-trap tandem mass spectrometric determination of estrogens and their conjugates in river sediments by MATEJICEK, David, HOUSEROVA, Pavlina, KUBAAN, Vlastimil

“…A fast and sensitive analytical procedure has been developed for the simultaneous separation and determination of α-estradiol, β-estradiol, estriol, estrone…”
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Enhancing sensitivity of liquid chromatographic/ion-trap tandem mass spectrometric determination of estrogens by on-line pre-column derivatization by MATEJICEK, David, KUBAN, Vlastimil

“…A rapid and sensitive liquid chromatographic/ion-trap mass spectrometric method has been developed for the simultaneous determination of estriol, α-,…”
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The use of molecularly imprinted polymers for the multicomponent determination of endocrine-disrupting compounds in water and sediment by MATEJICEK, David, GRYCOVA, Alena, VLCEK, Jiří

“…The method employing molecularly imprinted polymers for the extraction and clean up of endocrine‐disrupting compounds (estrogens, bisphenol A, and…”
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Combined microwave-assisted isolation and solid-phase purification procedures prior to the chromatographic determination of phenolic compounds in plant materials by STERBOVA, Dagmar, MATEJICEK, David, VLCEK, Jiri, KUBAN, Vlastimil

“…A fast, sensitive and selective procedure employing a combination of microwave-assisted extraction (MAE) and solid phase extraction (SPE) was applied prior to…”
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High-performance liquid chromatographic/ion-trap mass spectrometric speciation of aquatic mercury as its pyrrolidinedithiocarbamate complexes by HOUSEROVA, Pavlina, MATEJICEK, David, KUBAN, Vlastimil

“…Mercury-pyrrolidinedithiocarbamate complexes are first time used for speciation of aquatic mercury with high-performance liquid chromatographic/ion trap-mass…”
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Determination of available phenolic compounds in soils by liquid chromatography with solid-phase extraction by MATEJICEK, David, KLEJDUS, Borivoj, KUBAN, Vlastimil

“…A fast, selective, and sensitive liquid chromatographic (LC) method was developed for determination of derivatives of benzoic and cinnamic acids (gallic,…”
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Online molecularly imprinted solid-phase extraction coupled to liquid chromatography-tandem mass spectrometry for the determination of hormones in water and sediment samples by MATEJICEK, David, VLCEK, Jiří, BURESOVA, Alena, PELCOVA, Pavlína

“…The molecularly imprinted SPE directly coupled to RP LC‐MS/MS method has been developed and successfully validated for the determination of six hormones in…”
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Liquid chromatographic - cold vapour atomic fluorescence spectrometric determination of mercury species by HOUSEROVA, Pavlina, MATELICEK, David, KUBAN, Vlastimil, PAVLICKOVA, Jana, KOMAREK, Josef

“…Solvent extraction, sonication, and microwave‐assisted extractions in the presence of extraction agents (thioacetic acid, citric acid, cysteine,…”
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High Performance Liquid Chromatography/Ion-Trap Mass Spectrometry for Separation and Simultaneous Determination of Ethynylestradiol, Gestodene, Levonorgestrel, Cyproterone by Matejicek, David, Kuban, Vlastimil

“…Use of high performance liquid chromatography/ion-trap spectrometry (LC/MS) for separation and simultaneous determination of ethynylestradiol (EE2), gestodene…”
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Online molecularly imprinted solid-phase extraction coupled to liquid chromatography-tandem mass spectrometry for the determination of hormones in water and sediment samples: Liquid Chromatography by Matějíček, David, Vlček, Jiří, Burešová, Alena, Pelcová, Pavlína

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