Search Results - "Geus, H.J. de"
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Environmental occurrence, analysis and toxicology of toxaphene compounds
Published in Environmental health perspectives (01-02-1999)“…Toxaphene production, in quantities similar to those of polychlorinated biphenyls, has resulted in high toxaphene levels in fish from the Great Lakes and in…”
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Characterisation of fatty acids in biological oil samples using comprehensive multidimensional gas chromatography
Published in Journal of Chromatography A (23-02-2001)“…Comprehensive multidimensional gas chromatography can adequately resolve very complex mixtures of analytes such as the fatty acid mixtures which are contained…”
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Enantiomer fractions instead of enantiomer ratios
Published in Chemosphere (Oxford) (01-09-2000)“…The use of enantiomer ratios (ERs) to indicate the relative amounts of a pair of enantiomers in a sample has some disadvantages. Enantiomer fractions (EFs) are…”
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Indications for the involvement of a CYP3A-like iso-enzyme in the metabolism of chlorobornane (Toxaphene®) congeners in seals from inhibition studies with liver microsomes
Published in Aquatic toxicology (2001)“…The different isoforms of the cytochrome P450 (CYP) system can metabolise a suite of classes of lipophilic, anthropogenic compounds. The bioaccumulative…”
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Multidimensional gas chromatographic analysis of toxphene
Published in Environmental science & technology (1997)Get full text
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Comprehensive gas chromatography of high-boiling halogenated compounds
Published in Chromatographia (01-03-2002)“…Comprehensive gas chromatography is an excellent technique for separating complex mixtures. If, however high-boiling compounds such as polychlorinated…”
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Multidimensionality in gas chromatography
Published in TrAC, Trends in analytical chemistry (Regular ed.) (1996)“…Many analytical problems require more resolution than a single Chromatographic technique can provide. In such cases the separation power can be enhanced by…”
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A Robust Thermal Modulator for Comprehensive Two-Dimensional Gas Chromatography
Published in Journal of high resolution chromatography (01-01-1999)“…In comprehensive two‐dimensional gas chromatography (GC×GC), two capillary columns are connected in series through an interface known as a “thermal modulator”…”
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Comprehensive Two-Dimensional Gas Chromatography with a Rotating Thermal Desorption Modulator and Independently Temperature-Programmable Columns
Published in HRC. Journal of high resolution chromatography (01-03-2000)“…In comprehensive two‐dimensional gas chromatography, two individual separations are coupled by means of a rotating thermal desorption modulator interface. The…”
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Toxaphene: a challenging analytical problem
Published in Journal of environmental monitoring (01-01-2000)“…The analysis of toxaphene, a highly complex mixture of chlorinated bornanes, bornenes and camphenes, is a challenging problem, especially as individual…”
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Determination of Enantiomer Ratios of Bornane Congeners in Biological Samples Using Heart-Cut Multidimensional Gas Chromatography
Published in Journal of high resolution chromatography (01-01-1998)“…The enantiomeric ratios of the chlorinated bornanes, 2‐exo, 5,5,9,9,10, 10‐heptachlorobornane (B[20030]‐(022)), 2‐endo,3‐exo,5‐endo,6‐exo,8,…”
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שבט ועיר: ההתפתחות ההיסטורית של העיר הישראלית / OF TRIBES AND TOWNS : THE HISTORICAL DEVELOPMENT OF THE ISRAELITE CITY
Published in ארץ ישראל (01-01-1993)Get full text
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Of tribes and towns: the historical development of the israelite city
Published in ארץ ישראל (1993)Get full text
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