Search Results - "Heinz P. Singer"

Identifying Small Molecules via High Resolution Mass Spectrometry: Communicating Confidence by Schymanski, Emma L, Jeon, Junho, Gulde, Rebekka, Fenner, Kathrin, Ruff, Matthias, Singer, Heinz P, Hollender, Juliane

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Quantitative target and systematic non-target analysis of polar organic micro-pollutants along the river Rhine using high-resolution mass-spectrometry – Identification of unknown sources and compounds by Ruff, Matthias, Mueller, Miriam S., Loos, Martin, Singer, Heinz P.

“…In this study, the contamination by polar organic pollutants was investigated along the Rhine River, an important source of drinking water for 22 million…”
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Rapid Screening for Exposure to “Non-Target” Pharmaceuticals from Wastewater Effluents by Combining HRMS-Based Suspect Screening and Exposure Modeling by Singer, Heinz P, Wössner, Annika E, McArdell, Christa S, Fenner, Kathrin

“…Active pharmaceutical ingredients (APIs) have raised considerable concern over the past decade due to their widespread detection in water resources and their…”
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Strategies to Characterize Polar Organic Contamination in Wastewater: Exploring the Capability of High Resolution Mass Spectrometry by Schymanski, Emma L, Singer, Heinz P, Longrée, Philipp, Loos, Martin, Ruff, Matthias, Stravs, Michael A, Ripollés Vidal, Cristina, Hollender, Juliane

“…Wastewater effluents contain a multitude of organic contaminants and transformation products, which cannot be captured by target analysis alone. High accuracy,…”
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Suspect and nontarget screening approaches to identify organic contaminant records in lake sediments by Chiaia-Hernandez, Aurea C., Schymanski, Emma L., Kumar, Praveen, Singer, Heinz P., Hollender, Juliane

“…Sediment cores provide a valuable record of historical contamination, but so far, new analytical techniques such as high-resolution mass spectrometry (HRMS)…”
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Identification of Transformation Products of Organic Contaminants in Natural Waters by Computer-Aided Prediction and High-Resolution Mass Spectrometry by Kern, Susanne, Fenner, Kathrin, Singer, Heinz P, Schwarzenbach, René P, Hollender, Juliane

“…Transformation products (TPs) of organic contaminants in aquatic environments are still rarely considered in water quality and chemical risk assessment,…”
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Automatic recalibration and processing of tandem mass spectra using formula annotation by Stravs, Michael A., Schymanski, Emma L., Singer, Heinz P., Hollender, Juliane

“…High accuracy, high resolution tandem mass spectrometry (MS/MS) is becoming more common in analytical applications, yet databases of these spectra remain…”
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Occurrence and Fate of Carbamazepine, Clofibric Acid, Diclofenac, Ibuprofen, Ketoprofen, and Naproxen in Surface Waters by Tixier, Céline, Singer, Heinz P, Oellers, Sjef, Müller, Stephan R

“…Although various single-concentration measurements of pharmaceuticals are available in the literature, detailed information on the variation over time of the…”
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Nontarget Screening with High Resolution Mass Spectrometry in the Environment: Ready to Go? by Hollender, Juliane, Schymanski, Emma L, Singer, Heinz P, Ferguson, P. Lee

“…The vast, diverse universe of organic pollutants is a formidable challenge for environmental sciences, engineering, and regulation. Nontarget screening (NTS)…”
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Simultaneous quantification of neutral and acidic pharmaceuticals and pesticides at the low-ng/l level in surface and waste water by Öllers, Sjef, Singer, Heinz P., Fässler, Philipp, Müller, Stephan R.

“…A new analytical method is presented that allows simultaneous determination of neutral and acidic pharmaceuticals and pesticides in natural waters. The…”
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Wastewater treatment plant resistomes are shaped by bacterial composition, genetic exchange, and upregulated expression in the effluent microbiomes by Ju, Feng, Beck, Karin, Yin, Xiaole, Maccagnan, Andreas, McArdell, Christa S., Singer, Heinz P., Johnson, David R., Zhang, Tong, Bürgmann, Helmut

“…Wastewater treatment plants (WWTPs) are implicated as hotspots for the dissemination of antibacterial resistance into the environment. However, the in situ…”
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Wide-scope target screening of >2000 emerging contaminants in wastewater samples with UPLC-Q-ToF-HRMS/MS and smart evaluation of its performance through the validation of 195 selected representative analytes by Gago-Ferrero, Pablo, Bletsou, Anna A., Damalas, Dimitrios E., Aalizadeh, Reza, Alygizakis, Nikiforos A., Singer, Heinz P., Hollender, Juliane, Thomaidis, Nikolaos S.

“…[Display omitted] •New system of IPs taking full advantage of the capabilities of HRMS instruments.•Novel comprehensive HRMS quantitative target method to…”
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Pesticides drive risk of micropollutants in wastewater-impacted streams during low flow conditions by Munz, Nicole A., Burdon, Francis J., de Zwart, Dick, Junghans, Marion, Melo, Laura, Reyes, Marta, Schönenberger, Urs, Singer, Heinz P., Spycher, Barbara, Hollender, Juliane, Stamm, Christian

“…Micropollutants enter surface waters through various pathways, of which wastewater treatment plants (WWTPs) are a major source. The large diversity of…”
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Exploring the Behaviour of Emerging Contaminants in the Water Cycle using the Capabilities of High Resolution Mass Spectrometry by Juliane Hollender, Marc Bourgin, Kathrin B. Fenner, Philipp Longrée, Christa S. Mcardell, Christoph Moschet, Matthias Ruff, Emma L. Schymanski, Heinz P. Singer

“…To characterize a broad range of organic contaminants and their transformation products (TPs) as well as their loads, input pathways and fate in the water…”
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Quantification of the new triketone herbicides, sulcotrione and mesotrione, and other important herbicides and metabolites, at the ng/l level in surface waters using liquid chromatography–tandem mass spectrometry by Freitas, Luciana Gomides, Götz, Christian W., Ruff, Matthias, Singer, Heinz P., Müller, Stephan R.

“…The LC/ESI/MSMS method allows the trace quantification (ng/l) of the new triketone herbicides, i.e. sulcotrione and mesotrione, and important herbicides and…”
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Sources of pesticides in surface waters in Switzerland: pesticide load through waste water treatment plants––current situation and reduction potential by Gerecke, Andreas C., Schärer, Michael, Singer, Heinz P., Müller, Stephan R., Schwarzenbach, René P., Sägesser, Martin, Ochsenbein, Ueli, Popow, Gabriel

“…Concentrations of pesticides in Swiss rivers and lakes frequently exceed the Swiss quality goal of 0.1 μg/l for surface waters. In this study, concentrations…”
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Multiresidue analysis of 88 polar organic micropollutants in ground, surface and wastewater using online mixed-bed multilayer solid-phase extraction coupled to high performance liquid chromatography–tandem mass spectrometry by Huntscha, Sebastian, Singer, Heinz P., McArdell, Christa S., Frank, Carolin E., Hollender, Juliane

“…► We developed a new online-SPE–HPLC–MS/MS method for polar organic micropollutants. ► Four different SPE materials were combined in one multiple use…”
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Non-target screening with high-resolution mass spectrometry: critical review using a collaborative trial on water analysis by Schymanski, Emma L., Singer, Heinz P., Slobodnik, Jaroslav, Ipolyi, Ildiko M., Oswald, Peter, Krauss, Martin, Schulze, Tobias, Haglund, Peter, Letzel, Thomas, Grosse, Sylvia, Thomaidis, Nikolaos S., Bletsou, Anna, Zwiener, Christian, Ibáñez, María, Portolés, Tania, de Boer, Ronald, Reid, Malcolm J., Onghena, Matthias, Kunkel, Uwe, Schulz, Wolfgang, Guillon, Amélie, Noyon, Naïke, Leroy, Gaëla, Bados, Philippe, Bogialli, Sara, Stipaničev, Draženka, Rostkowski, Pawel, Hollender, Juliane

“…In this article, a dataset from a collaborative non-target screening trial organised by the NORMAN Association is used to review the state-of-the-art and…”
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Paradise lost? Pesticide pollution in a European region with considerable amount of traditional agriculture by Schreiner, Verena C., Link, Moritz, Kunz, Stefan, Szöcs, Eduard, Scharmüller, Andreas, Vogler, Bernadette, Beck, Birgit, Battes, Karina P., Cimpean, Mirela, Singer, Heinz P., Hollender, Juliane, Schäfer, Ralf B.

“…•Pesticide concentrations and toxicity similar along agricultural gradient.•Sum concentrations in Romanian streams ranged from 0.02 to 37 μg L−1.•Agricultural…”
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Transformation of β-Lactam Antibacterial Agents during Aqueous Ozonation: Reaction Pathways and Quantitative Bioassay of Biologically-Active Oxidation Products by Dodd, Michael C, Rentsch, Daniel, Singer, Heinz P, Kohler, Hans-Peter E, von Gunten, Urs

“…Reactions of ozone (O3) with the β-lactam antibiotics penicillin G (PG) and cephalexin (CP) have previously been found to yield products retaining…”
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