On-Site Quantification of Transformation Products of Rocket Fuel Unsymmetrical Dimethylhydrazine in Air Using Solid-Phase Microextraction.
Sign Up to like & getrecommendations! Published in 2025 at "Journal of separation science"
DOI: 10.1002/jssc.70113
Abstract: Despite the high importance of the monitoring of air pollution with transformation products (TPs) of rocket fuel unsymmetrical dimethylhydrazine (UDMH) in the regions of UDMH spills, there is a lack of simple, fast, and accurate… read more here.
Keywords: rocket fuel; air; unsymmetrical dimethylhydrazine; site ... See more keywords
Development of an HPLC–HRMS Method for the Identification and Semi‐Quantitation in River Water Samples of the Transformation Products Originated From Heterogeneous Photocatalysis of Antipsychotic Drugs
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DOI: 10.1002/jssc.70299
Abstract: ABSTRACT The environmental occurrence of psychiatric drugs is a growing concern due to their widespread use and persistence in aquatic systems. In this study, haloperidol and aripiprazole, two commonly prescribed antipsychotic agents, were selected as… read more here.
Keywords: hplc hrms; water; tps; heterogeneous photocatalysis ... See more keywords
Benchmarking of the quantification approaches for the non-targeted screening of micropollutants and their transformation products in groundwater
Sign Up to like & getrecommendations! Published in 2021 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-03109-2
Abstract: A wide range of micropollutants can be monitored with non-targeted screening; however, the quantification of the newly discovered compounds is challenging. Transformation products (TPs) are especially problematic because analytical standards are rarely available. Here, we… read more here.
Keywords: approaches non; targeted screening; quantification approaches; non targeted ... See more keywords
Identification of transformation products from fluorinated lithium-ion battery additives TPFPB and TPFPP: forever chemicals of tomorrow?
Sign Up to like & getrecommendations! Published in 2024 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-024-05526-z
Abstract: Fluorinated organic compounds (FOCs) represent a class of synthetic chemicals distinguished by their resilient carbon–fluorine bonds, which demonstrate an ability to withstand environmental degradation over an extended period. The integration of FOCs into cutting-edge applications,… read more here.
Keywords: lithium ion; transformation products; identification transformation; tpfpb tpfpp ... See more keywords
Characterizing cyanopeptides and transformation products in freshwater: integrating targeted, suspect, and non-targeted analysis with in silico modeling
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DOI: 10.1007/s00216-025-05999-6
Abstract: Harmful algal blooms (HABs) pose significant risks to environmental and public health, primarily through cyanotoxin production. Influenced by anthropogenic and climatic factors, cyanobacteria require advanced methods for identifying and characterizing their secondary metabolites. This study… read more here.
Keywords: integrating targeted; transformation products; non targeted; silico modeling ... See more keywords
Solvent-dependent transformation of aflatoxin B1 in soil
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DOI: 10.1007/s12550-017-0278-x
Abstract: To date, all studies of aflatoxin B1 (AFB1) transformation in soil or in purified mineral systems have identified aflatoxins B2 (AFB2) and G2 (AFG2) as the primary transformation products. However, identification in these studies was… read more here.
Keywords: afb1 soil; solvent dependent; transformation; soil ... See more keywords
Elimination study of the chemotherapy drug tamoxifen by different advanced oxidation processes: Transformation products and toxicity assessment.
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DOI: 10.1016/j.chemosphere.2016.10.057
Abstract: Tamoxifen is a chemotherapy drug considered as recalcitrant contaminant (with low biodegradability in conventional activated sludge wastewater treatment), bioaccumulative, ubiquitous, and potentially hazardous for the environment. This work studies the removal of Tamoxifen from water… read more here.
Keywords: oxidation; chemotherapy drug; oxidation processes; toxicity ... See more keywords
Exploring QSAR models for assessment of acute fish toxicity of environmental transformation products of pesticides (ETPPs).
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DOI: 10.1016/j.chemosphere.2020.126508
Abstract: Environmental transformation products of pesticides (ETPPs) have a great deal of ecological impact owing to their ability to cause toxicity to the aquatic organisms, which can then be translated to the humans. The limited experimental… read more here.
Keywords: qsar models; products pesticides; environmental transformation; toxicity ... See more keywords
Evaluation and application of machine learning-based retention time prediction for suspect screening of pesticides and pesticide transformation products in LC-HRMS.
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DOI: 10.1016/j.chemosphere.2020.129447
Abstract: Computational QSAR models have gradually been preferred for retention time prediction in data mining of emerging environmental contaminants using liquid chromatography coupled with mass spectrometry. Generally, the model performance relies on the components such as… read more here.
Keywords: pesticide transformation; time prediction; retention time; transformation products ... See more keywords
Environmental modelling of hexamethoxymethylmelamine, its transformation products, and precursor compounds: An emerging family of contaminants from tire wear.
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DOI: 10.1016/j.chemosphere.2021.130914
Abstract: Hexamethoxymethylmelamine (HMMM) is a polymer crosslinking agent used commercially to manufacture tires. HMMM is a ubiquitous contaminant in urban surface waters due to its presence in tire-wear particles and its tendency to be transported into… read more here.
Keywords: tire wear; transformation; products precursor; precursor compounds ... See more keywords
Application of UHPLC-MS/MS method to study occurrence and fate of sulfonamide antibiotics and their transformation products in surface water in highly urbanized areas.
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DOI: 10.1016/j.chemosphere.2021.131189
Abstract: Sulfonamide antibiotics (SAs) are used on a large scale in human and veterinary medicine. The main goal of this study was to develop a method for the detection of selected SAs (sulfamethoxazole, sulfadiazine, sulfamethazine, sulfathiazole,… read more here.
Keywords: sulfonamide antibiotics; water; study; transformation ... See more keywords