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1,884 Newest Publications in journal of environmental monitoring

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On the Degradation Pathway of Glyphosate and Glycine

03-Jul-2018 | Anderson José Lopes Catão; Alejandro López-Castillo, Journal of Environmental Monitoring, 2018

The degradation in water of the most widespread herbicide, glyphosate, is still under debate. Experimental disagreements on this process exist and there are only a few theoretical studies to support any conclusions. Moreover, the relationship between glyphosate and glycine is underestimated. ...

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Emerging Investigator Series: Sunlight Photolysis of 2,4-D Herbicides in Systems Simulating Leaf Surfaces

03-Jul-2018 | Lei Su; John D. Sivey; Ning Dai, Journal of Environmental Monitoring, 2018

Pesticides are commonly applied on foliage, forming dry deposits on the leaf cuticular wax. However, their photochemical transformation in this lipophilic environment is much less understood compared with that in surface water. In this work, sunlight photolysis of six chlorinated phenoxyacetic ...

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Inter-individual, inter-city, and temporal trends of per- and polyfluoroalkyl substances in human milk from Swedish mothers between 1972 and 2016

26-Jun-2018 | Elisabeth Nyberg; Raed Awad; Anders Bignert; Caroline Ek; Gerd Sällsten; Jon Benskin, Journal of Environmental Monitoring, 2018

In this study inter-individual, inter-city, and temporal trends of 19 per- and polyfluoroalkyl substances (PFASs) were investigated in human milk collected in Stockholm (1972-2016) and Gothenburg (2007-2015), Sweden. The concentrations of perfluorodecanoate (PFDA), perfluorohexane sulfonate ...

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Occurrence and source analysis of selected antidepressants and their metabolites in municipal wastewater and receiving surface water

20-Jun-2018 | Luo-dan Ma; Jian Li; Jia-jun Li; Min Liu; Dong-zhi Yan; Wen-yan Shi; Gang Xu, Journal of Environmental Monitoring, 2018

Seven commonly utilized antidepressants (amitriptyline, fluoxetine, sertraline, citalopram, paroxetine, venlafaxine, and bupropion) and three of their metabolites were detected in four wastewater treatment plants (WWTPs) and corresponding receiving waters including the mainstream and three of the ...

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Cr(VI) Uptake and Reduction by Biogenic Iron (Oxyhydr)oxides

20-Jun-2018 | Andrew H Whitaker; Mathilde Amor; Jasquelin Pena; Owen W Duckworth, Journal of Environmental Monitoring, 2018

The mobility and toxicity of chromium (Cr) in soil and water systems are largely controlled by its oxidation state and interactions with solid phases. Relative to abiotic minerals, biogenic iron (Fe) (oxyhydr)oxides (BIOS) may enhance Cr(VI) adsorption and reduction due to their poorly ordered ...

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Emerging investigator series: Determination of biphasic core–shell droplet properties using aerosol optical tweezers

12-Jun-2018 | Kyle Gorkowski; Neil Donahue; Ryan Christopher Sullivan, Journal of Environmental Monitoring, 2018

We present a new algorithm for the analysis of whispering gallery modes (WGMs) found in the cavity enhanced Raman spectra retrieved from optically tweezed droplets. Our algorithm improves the computational scaling when analyzing core–shell droplets (i.e. phase-separated or biphasic droplets) in ...

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Spatial variation in the atmospheric deposition of perfluoroalkyl acids: source elucidation through analysis of isomer patterns

12-Jun-2018 | Jana H. Johansson; Yali Shi; Matthew Salter; Ian T. Cousins, Journal of Environmental Monitoring, 2018

To evaluate the relevance of different proposed sources of perfluoroalkyl acids (PFAAs) to air, their isomer patterns were analyzed in deposition samples collected from five geographical locations: two urban sites in China (>360 km from known operational fluorochemical manufacturing facilities), ...

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Investigation on the hygroscopicity of oxalic acid and atmospherically relevant oxalate salts under sub- and supersaturated conditions

06-Jun-2018 | Suresh Kumar Reddy Borredy; Kimitaka Kawamura, Journal of Environmental Monitoring, 2018

Oxalic acid (OxA) is an end product in the oxidation of many organic compounds before CO2 and therefore is ubiquitous in the atmosphere and the most abundant organic species in aerosols. To better understand the hygroscopic properties of OxA under sub- and supersaturated conditions in the ...

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Reaction of Bisphenol A with Synthetic and Commercial MnOx(s): Spectroscopic and Kinetic Study

01-Jun-2018 | Nabil Shaikh; Huichun Zhang; Kowsalya Devi Rasamani; Kateryna Artyushkova; Abdul-Mehdi Ali; Jose Manuel Cerrato, Journal of Environmental Monitoring, 2018

The reaction of bisphenol A (BPA) using laboratory synthesized (Syn-MnOx) and commercially available (Com-MnOx) MnOx(s) media was investigated using spectroscopic and aqueous chemistry methods. The surface area of Syn-MnOx (128 m2/g) and Com-MnOx (13.6 m2/g) differed by an order of magnitude. The ...

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Reaction of Bisphenol A with Synthetic and Commercial MnOx(s): Spectroscopic and Kinetic Study

01-Jun-2018 | Nabil Shaikh; Huichun Zhang; Kowsalya Devi Rasamani; Kateryna Artyushkova; Abdul-Mehdi Ali; Jose Manuel Cerrato, Journal of Environmental Monitoring, 2018

The reaction of bisphenol A (BPA) using laboratory synthesized (Syn-MnOx) and commercially available (Com-MnOx) MnOx(s) media was investigated using spectroscopic and aqueous chemistry methods. The surface area of Syn-MnOx (128 m2/g) and Com-MnOx (13.6 m2/g) differed by an order of magnitude. The ...

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