Search Results - "Van Nguyen, Liem"

Experiments revealing the formation of refractory methylmercury pools in natural sediments and soils by Baptista-Salazar, Carluvy, Liem-Nguyen, Van, Jonsson, Sofi

“…Methylation and demethylation of mercury (Hg) are well recognized as processes controlling the concentrations of monomethylmercury (MeHg) in natural…”
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Variation in susceptibility of eight insecticides in the brown planthopper Nilaparvata lugens in three regions of Vietnam 2015-2017 by Khoa, Dao Bach, Thang, Bui Xuan, Liem, Nguyen Van, Holst, Niels, Kristensen, Michael

“…The brown planthopper (BPH), Nilaparvata lugens, is a serious threat to rice production in Vietnam and insecticides are widely used for its control. Migration…”
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Potential of using mineral oils for the control of the mosquito bugs Helopeltis theivora (Hemiptera: Miridae) in cashew plantations by Lai, Dung Tien, Khuc, Ha Duy, Nguyen, Liem Van, Hong, Ki-Jeong, Nguyen, Hai Nam

“…•Potentials of using an nC24 MO in controlling Helopeltis theivora were investigated.•nC24 MO application significantly reduced egg hatchability of H…”
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Discovery of false coconut scale (Aspidiotus rigidus) and three of its primary parasitoids in Việt Nam, and likely species origins by Dao, Hang Thi, Beattie, George Andrew Charles, Watson, Gillian W., Mottern, Jason, Evans, Greg, Van Nguyen, Liem, Nguyen, Hoa Thi, Nguyen, Viet Duc, Holford, Paul

“…[Display omitted] •Aspidiotus rigidus and three of its primary parasitoids were discovered in Việt Nam.•Parasitoids maintain A. rigidus populations below…”
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Binding strength of mercury (II) to different dissolved organic matter: The roles of DOM properties and sources by Wang, Yuqin, Liu, Jiang, Liem-Nguyen, Van, Tian, Shanyi, Zhang, Siqi, Wang, Dingyong, Jiang, Tao

“…Dissolved organic matter (DOM) influences the environmental fate and toxic effects of trace metals such as mercury (Hg). However, because of limits in DOM…”
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Methylmercury formation in boreal wetlands in relation to chemical speciation of mercury(II) and concentration of low molecular mass thiols by Liem-Nguyen, Van, Skyllberg, Ulf, Björn, Erik

“…Methylmercury (MeHg) is a neurotoxin formed from inorganic divalent mercury (HgII) via microbial methylation, and boreal wetlands have been identified as major…”
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Dimethylmercury Degradation by Dissolved Sulfide and Mackinawite by West, Johannes, Graham, Andrew M, Liem-Nguyen, Van, Jonsson, Sofi

“…Potential degradation pathways of dimethylmercury (DMHg) remain as one of the critical knowledge gaps in the marine biogeochemical cycle of mercury (Hg)…”
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Thermodynamic Modeling of the Solubility and Chemical Speciation of Mercury and Methylmercury Driven by Organic Thiols and Micromolar Sulfide Concentrations in Boreal Wetland Soils by Liem-Nguyen, Van, Skyllberg, Ulf, Björn, Erik

“…Boreal wetlands have been identified as environments in which inorganic divalent mercury (HgII) is transformed to methylmercury (MeHg) by anaerobic microbes…”
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Thermodynamics of Hg(II) bonding to thiol groups in Suwannee River natural organic matter resolved by competitive ligand exchange, Hg L-III-Edge EXAFS and H-1 NMR spectroscopy by Song, Yu, Jiang, Tao, Liem-Nguyen, Van, Sparrman, Tobias, Björn, Erik, Skyllberg, Ulf

“…A molecular level understanding of the thermodynamics and kinetics of the chemical bonding between mercury, Hg(II), and natural organic matter (NOM) associated…”
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Elevated concentrations of mercury and methylmercury in the Gadani shipbreaking area, Pakistan by Kakar, Allauddin, Liem-Nguyen, Van, Mahmood, Qaisar, Jonsson, Sofi

“…Gadani shipbreaking area, Pakistan, is the world's third largest shipbreaking unit. However, to date, only a few studies on the environmental impacts of the…”
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Determination of Sub-Nanomolar Levels of Low Molecular Mass Thiols in Natural Waters by Liquid Chromatography Tandem Mass Spectrometry after Derivatization with p‑(Hydroxymercuri) Benzoate and Online Preconcentration by Liem-Nguyen, Van, Bouchet, Sylvain, Björn, Erik

“…Low molecular mass (LMM) thiols is a diverse group of compounds, which play several important roles in aquatic ecosystems, even though they typically occur at…”
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Microbial Biosynthesis of Thiol Compounds: Implications for Speciation, Cellular Uptake, and Methylation of Hg(II) by Adediran, Gbotemi A, Liem-Nguyen, Van, Song, Yu, Schaefer, Jeffra K, Skyllberg, Ulf, Björn, Erik

“…Cellular uptake of inorganic divalent mercury (Hg­(II)) is a key step in microbial formation of neurotoxic methylmercury (MeHg), but the mechanisms remain…”
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Spatial patterns and distributional controls of total and methylated mercury off the Lena River in the Laptev Sea sediments by Liem-Nguyen, Van, Wild, Birgit, Gustafsson, Örjan, Semiletov, Igor, Dudarev, Oleg, Jonsson, Sofi

“…A warmer climate is predicted to accelerate the export of mercury (Hg) from Siberian rivers to the Arctic Ocean, yet there is a dearth of process-oriented…”
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Dissolved organic matter thiol concentrations determine methylmercury bioavailability across the terrestrial-marine aquatic continuum by Seelen, Emily, Liem-Nguyen, Van, Wünsch, Urban, Baumann, Zofia, Mason, Robert, Skyllberg, Ulf, Björn, Erik

“…The most critical step for methylmercury (MeHg) bioaccumulation in aquatic food webs is phytoplankton uptake of dissolved MeHg. Dissolved organic matter (DOM)…”
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Determination of picomolar concentrations of thiol compounds in natural waters and biological samples by tandem mass spectrometry with online preconcentration and isotope-labeling derivatization by Liem-Nguyen, Van, Huynh, Khoa, Gallampois, Christine, Björn, Erik

“…We present a sensitive, selective and robust method for the determination of 14 thiol compounds in aqueous samples. Thiols were derivatized with…”
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Quantification of total concentration of thiol functional groups in environmental samples by titration with monobromo(trimethylammonio)bimane and determination with tandem mass spectrometry by Huynh, Khoa, Liem-Nguyen, Van, Feng, Caiyan, Lindberg, Richard, Björn, Erik

“…Thiol compounds (R–SH) have many important biological functions and are principal controls of the speciation of several toxic metals in the environment…”
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Observed and predicted embryotoxic and teratogenic effects of organic and inorganic environmental pollutants and their mixtures in zebrafish (Danio rerio) by Nilén, Greta, Obamwonyi, Osagie S., Liem-Nguyen, Van, Engwall, Magnus, Larsson, Maria, Keiter, Steffen H.

“…•Most binary, ternary, and quaternary mixtures cause additive acute toxicity•Strong synergistic effect caused by a binary mixture of high persistency…”
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Understanding Enhanced Microbial MeHg Production in Mining-Contaminated Paddy Soils under Sulfate Amendment: Changes in Hg Mobility or Microbial Methylators? by Li, Yunyun, Zhao, Jiating, Zhong, Huan, Wang, Yongjie, Li, Hong, Li, Yu-Feng, Liem-Nguyen, Van, Jiang, Tao, Zhang, Zhiyong, Gao, Yuxi, Chai, Zhifang

“…Elevated methylmercury (MeHg) production in mining-contaminated paddy soils, despite the high fraction of refractory HgS(s), has been frequently reported,…”
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Effects of Nutrient Loading and Mercury Chemical Speciation on the Formation and Degradation of Methylmercury in Estuarine Sediment by Liem-Nguyen, Van, Jonsson, Sofi, Skyllberg, Ulf, Nilsson, Mats B, Andersson, Agneta, Lundberg, Erik, Björn, Erik

“…Net formation of methylmercury (MeHg) in sediments is known to be affected by the availability of inorganic divalent mercury (HgII) and by the activities of…”
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Removal mechanisms of cadmium and lead ions in contaminated water by stainless steel slag obtained from scrap metal recycling by Huy, Duong Huu, Seelen, Emily, Liem-Nguyen, Van

“…[Display omitted] In this work, steel slag was shown to be a successful filter material for the removal of lead and cadmium from natural waters with a removal…”
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