Results 151 to 160 of about 4,986 (198)
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Chemosphere, 2011
Microbial degradation-induced changes in the characteristics of dissolved organic matter (DOM), and the subsequent effects on phenanthrene-DOM interactions were investigated based on the microbial incubation of DOM collected from four different sources for 28 d.
Jin Hur, Bo－Mi Lee, Hyun-Sang Shin
exaly +3 more sources
Microbial degradation-induced changes in the characteristics of dissolved organic matter (DOM), and the subsequent effects on phenanthrene-DOM interactions were investigated based on the microbial incubation of DOM collected from four different sources for 28 d.
Jin Hur, Bo－Mi Lee, Hyun-Sang Shin
exaly +3 more sources
Characteristics of dissolved organic matter (DOM) in leachate with different landfill ages
Journal of Environmental Sciences, 2008The main objective of the study was to investigate the characteristics of dissolved organic matter (DOM) in leachate with different landfill ages through the chemical, spectroscopic, and elemental analysis. Humic acid (HA), fulvic acid (FA), and hydrophilic (HyI) fractions were isolated and purified by the XAD-8 resin combined with the cation exchange ...
Shouliang Huo +2 more
exaly +3 more sources
Chemosphere, 1998
Current knowledge on the effects of dissolved organic matter (DOM) on the bioconcentration of organic chemicals in aquatic animals (water fleas, mussels, amphipods and fish) is summarized. A graphical representation of the available data gives an overview of the magnitude of the observed effects.
Markus Haitzer +2 more
exaly +4 more sources
Current knowledge on the effects of dissolved organic matter (DOM) on the bioconcentration of organic chemicals in aquatic animals (water fleas, mussels, amphipods and fish) is summarized. A graphical representation of the available data gives an overview of the magnitude of the observed effects.
Markus Haitzer +2 more
exaly +4 more sources
Molecular characterization of dissolved organic matter (DOM): a critical review
Analytical and Bioanalytical Chemistry, 2012Advances in water chemistry in the last decade have improved our knowledge about the genesis, composition, and structure of dissolved organic matter, and its effect on the environment. Improvements in analytical technology, for example Fourier-transform ion cyclotron (FT-ICR) mass spectrometry (MS), homo and hetero-correlated multidimensional nuclear ...
NEBBIOSO, ANTONIO, PICCOLO, ALESSANDRO
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Adsorptive fractionation of dissolved organic matter (DOM) by carbon nanotubes
Environmental Pollution, 2015Dissolved organic matter (DOM) and carbon nanotubes are introduced into aquatic environments. Thus, it is important to elucidate whether their interaction affects DOM amount and composition. In this study, the composition of DOM, before and after interactions with single-walled carbon nanotubes (SWCNTs), was measured and the adsorption affinity of the ...
Maya, Engel, Benny, Chefetz
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Effect of Dissolved Organic Matter (DOM) on Greenhouse Gas Emissions in Rice Varieties
SSRN Electronic Journal, 2021Rice paddy fields are importan t sources of atmospheric methane (CH 4 ), and nitrous oxide (N 2 O) . In our previous study, we found that greenhouse gas emissions varied among rice varieties. Dissolved organic matter (DOM) is one of the most reactive organic matter fractions in an ecosystem.
Huina Ding +4 more
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Fate of terrigenous dissolved organic matter (DOM) in estuaries: Aggregation and bioavailability
Ophelia, 2003Abstract When dissolved organic matter (DOM) from terrestrial and freshwater sources is mixed with estuarine waters at the land-sea interface, the change in salinity has been suggested to cause fast aggregation and an increase in the bioavailability of dissolved organic carbon (DOC) and nitrogen (DON).
Søndergaard, M. +2 more
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Chemosphere, 2021
Landscape urbanization broadly alter watersheds ecosystems, yet the impact of nonpoint source urban inputs on dissolved organic matter (DOM) amount, composition and source is poorly understood. To systematically examine how DOM optical index and composition varied with urbanization, a unique long term observation dataset (4 years) of fluorescence ...
Lili, Lyu +5 more
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Landscape urbanization broadly alter watersheds ecosystems, yet the impact of nonpoint source urban inputs on dissolved organic matter (DOM) amount, composition and source is poorly understood. To systematically examine how DOM optical index and composition varied with urbanization, a unique long term observation dataset (4 years) of fluorescence ...
Lili, Lyu +5 more
openaire +2 more sources
Improving solid-phase extraction of dissolved organic matter (DOM)
2023In current dissolved organic matter (DOM) research, solid-phase extraction (SPE) with Bond Elut PPL resins is the gold standard for desalination and concentration. This method routinely recovers 50-65% of marine and terrestrial DOM. However, in unusual samples, for example from hydrothermal vents, early-stage microalgal cultures, the sea-surface ...
Hannelore Waska +4 more
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[Characteristics of dissolved organic matter (DOM) from leachate].
Huan jing ke xue= Huanjing kexue, 2010The dissolved organic matter (DOM) was isolated and purified from landfill and incineration leachate, and all the isolated fractions were characterized using acid-base titration, UV-VIS (ultraviolet-visible), FTIR spectroscopic methods and element measurement.
Fang, Fang +3 more
openaire +2 more sources