Search Results - "Preiss, Alfred"

Even-electron ions: a systematic study of the neutral species lost in the dissociation of quasi-molecular ions by Levsen, Karsten, Schiebel, Hans-Martin, Terlouw, Johan K., Jobst, Karl J., Elend, Manfred, Preiß, Alfred, Thiele, Herbert, Ingendoh, Arnd

“…The collision‐induced dissociations of the even‐electron [M + H]+ and/or [M − H]− ions of 121 model compounds (mainly small aromatic compounds with one to…”
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Quinoline and Derivatives at a Tar Oil Contaminated Site:  Hydroxylated Products as Indicator for Natural Attenuation? by Reineke, Anne-Kirsten, Göen, Thomas, Preiss, Alfred, Hollender, Juliane

“…LC-MS-MS analysis of groundwater of a tar oil contaminated site showed the occurrence of the N-heterocycles quinoline and isoquinoline as well as their…”
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Characterization of Dyes and Other Pollutants in the Effluent of a Textile Company by LC/NMR and LC/MS by Preiss, Alfred, Sänger, Ute, Karfich, Natascha, Levsen, Karsten, Mügge, Clemens

“…LC/NMR and LC/MS (the latter technique in the MS n mode) were used to characterize the organic constituents of industrial wastewater with emphasis on polar,…”
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Development of an HPLC-NMR method for the determination of PAHs in soil samples - a comparison with conventional methods by Weisshoff, Hardy, Preiss, Alfred, Nehls, Irene, Win, Tin, Mügge, Clemens

“…A hyphenated HPLC-(1)H NMR method for the identification and quantification of PAHs in soil samples has been developed and applied to a PAH reference sample…”
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Anaerobic testosterone degradation in Steroidobacter denitrificans – Identification of transformation products by Fahrbach, Michael, Krauss, Martin, Preiss, Alfred, Kohler, Hans-Peter E., Hollender, Juliane

“…The transformation of the androgenic steroid testosterone by gammaproteobacterium Steroidobacter denitrificans was studied under denitrifying conditions. For…”
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Cross-fostering inhalation toxicity study with HCFC-123 in lactating Sprague-Dawley rats by Buschmann, J, Bartsch, W, Dasenbrock, C, Fuhst, R, Pohlmann, G, Preiss, A, Berger-Preiss, E

“…A study was performed in Sprague-Dawley rats (Crl:CD BR) to differentiate between effects of hydrofluorocarbon 123 (HCFC-123) on the lactating dam or on the…”
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Online identification of the antioxidant constituents of traditional Chinese medicine formula Chaihu-Shu-Gan-San by LC–LTQ-Orbitrap mass spectrometry and microplate spectrophotometer by Su, Zhi-Heng, Zou, Guo-An, Preiss, Alfred, Zhang, Hong-Wu, Zou, Zhong-Mei

“…Chaihu-Shu-Gan-San (CSGS), a traditional Chinese medicine (TCM) formula containing seven herbal medicines, has been used in treatment of gastritis, peptic…”
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Unusual polar metabolites in the groundwater of a contaminated waste site indicate a new pathway of mononitrotoluene transformation by Preiss, Alfred, Berger-Preiss, Edith, Elend, Manfred, Reineke, Anne-Kirsten, Hollender, Juliane

“…► The groundwater of a mononitrotoluene-contaminated waste disposal site was analyzed. ► Among other compounds (di- and tetrahydro-derivatives of…”
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Identification of highly polar nitroaromatic compounds in leachate and ground water samples from a TNT-contaminated waste site by LC-MS, LC-NMR, and off-line NMR and MS investigations by Preiss, Alfred, Elend, Manfred, Gerling, Susanne, Berger-Preiss, Edith, Steinbach, Klaus

“…Leachate and ground water samples from a trinitrotoluene-contaminated waste disposal site near a former ammunitions plant in Stadtallendorf, Germany, were…”
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Erratum to “Anaerobic testosterone degradation in Steroidobacter denitrificans – Identification of transformation products” [Environ. Pollut. 158 (2010) 2572–2581] by Fahrbach, Michael, Krauss, Martin, Preiss, Alfred, Kohler, Hans-Peter E., Hollender, Juliane

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Detection of methylquinoline transformation products in microcosm experiments and in tar oil contaminated groundwater using LC-NMR by Reineke, Anne-Kirsten, Preiss, Alfred, Elend, Manfred, Hollender, Juliane

“…N-heterocyclic compounds are known pollutants at tar oil contaminated sites. Here we report the degradation of methyl-, and hydroxy-methyl-substituted…”
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24 Months Inhalation Carcinogenicity Study of Bitumen Fumes in Wistar (WU) Rats by Fuhst, Rainer, Creutzenberg, Otto, Ernst, Heinrich, Hansen, Tanja, Pohlmann, Gerhard, Preiss, Alfred, Rittinghausen, Susanne

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Quantitative 1H NMR-analysis of technical octabrominated diphenylether DE-79™ and UV spectra of its components and photolytic transformation products by Geller, Ana-Maria, Krüger, Heinz-Ulrich, Liu, Qing, Zetzsch, Cornelius, Elend, Manfred, Preiss, Alfred

“…A quantitative analysis of the technical octabromo diphenylether mixture DE-79™ is performed by 1H NMR, avoiding any separation technique. The mass fractions…”
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Quantitative super(1)H NMR-Analysis of Technical Octabrominated Diphenylether DE-79 super( registered ) and UV Spectra of its Components and Photolytic Transformation Products by Geller, Ana-Maria, Kruger, Heinz-Ulrich, Liu, Qing, Zetzsch, Cornelius, Elend, Manfred, Preiss, Alfred

“…The use of quantitative super(1)H NMR to analyze technical octabrominated diphenylether DE-79 super( registered ) and UV spectra of its components and…”
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Combination of matrix solid-phase dispersion extraction and direct on-line liquid chromatography–nuclear magnetic resonance spectroscopy–tandem mass spectrometry as a new efficient approach for the rapid screening of natural products:: Application to the total asterosaponin fraction of the starfish Asterias rubens by Sandvoss, Martin, Weltring, Anja, Preiss, Alfred, Levsen, Karsten, Wuensch, Gerold

“…A combination of matrix solid-phase dispersion extraction (MSPD) and LC–NMR–MS hyphenation is proposed as a rapid screening method of natural products for…”
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Analysis of highly polar compounds in groundwater samples from ammunition waste sites. Part I-Characterization of the pollutant spectrum by Preiss, Alfred, Elend, Manfred, Gerling, Susanne, Tränckner, Simone

“…Five groundwater samples from the former ammunition production site at Elsnig, Germany, were analyzed for highly polar components by LC–NMR and LC–MS. A…”
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Application of on-line HPLC-(1)H NMR to environmental samples: Analysis of groundwater near former ammunition plants by Godejohann, Markus, Preiss, Alfred, Mugge, Clemens, Wunsch, Gerold

“…Coupling of HPLC to NMR was applied for the first time to the analysis of environmental samples; water samples from an ammunition hazardous waste site. The…”
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Quantitative Measurements in Continuous-Flow HPLC/NMR by Godejohann, Markus, Preiss, Alfred, Mügge, Clemens

“…Two methods for the quantitative determination of compounds in continuous-flow HPLC/NMR are described. The first method uses an internal standard (caffeine) of…”
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Application of high-performance liquid chromatography coupled to nuclear magnetic resonance and high-performance liquid chromatography coupled to mass spectrometry to complex environmental samples by Levsen, Karsten, Preiss, Alfred, Godejohann, Markus

“…HPLC– 1H NMR in combination with HPLC–MS is particularly suited to the identification of unknown polar, non-volatile compounds in complex environmental…”
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Combination of matrix solid-phase dispersion extraction and direct on-line liquid chromatography–nuclear magnetic resonance spectroscopy–tandem mass spectrometry as a new efficient approach for the rapid screening of natural products by Sandvoss, Martin, Weltring, Anja, Preiss, Alfred, Levsen, Karsten, Wuensch, Gerold

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