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| 1 | Chloramination of wastewater effluent: Toxicity and formation of disinfection byproducts显示文摘The reclamation and disinfection of waters impacted by human activities(e.g., wastewater effluent discharges) are of growing interest for various applications but has been associated with the formation of toxic nitrogenous disinfection byproducts(N-DBPs). Monochloramine used as an alternative disinfectant to chlorine can be an additional source of nitrogen in the formation of N-DBPs. Individual toxicity assays have been performed on many DBPs, but few studies have been conducted with complex mixtures such as wastewater effluents. In this work, we compared the cytotoxicity and genotoxicity of wastewater effluent organic matter(Ef OM) before and after chloramination. The toxicity of chloraminated Ef OM was significantly higher than the toxicity of raw Ef OM, and the more hydrophobic fraction(HPO)isolated on XAD-8 resin was more toxic than the fraction isolated on XAD-4 resin.More DBPs were also isolated on the XAD-8 resin. N-DBPs(i.e., haloacetonitriles or haloacetamides) were responsible for the majority of the cytotoxicity estimated from DBP concentrations measured in the XAD-8 and XAD-4 fractions(99.4% and 78.5%, respectively).Measured DBPs accounted for minor proportions of total brominated and chlorinated products, which means that many unknown halogenated compounds were formed and can be responsible for a significant part of the toxicity. Other non-halogenated byproducts(e.g.,nitrosamines) may contribute to the toxicity of chloraminated effluents as well. | Julien Le Roux Michael J.Plewa Elizabeth D.Wagner Maolida Nihemaiti Azra Dad Jean-Philippe Croué | 2017 | Journal of Environmental Sciences2017，29，8： | 8 |
| 2 | Effect of RF power on the structural and optical properties of ZnS thin films prepared by RF-sputtering显示文摘Zinc sulphide(ZnS) thin films have grown on glass and Si substrates by reactive cathodic radio frequency(RF) sputtering. The RF power was varied in the range of 100 to 250 W, while the deposition time is set at75 min. The optical, structural, and morphological properties of these thin films have been studied. The optical properties(mainly thickness, refractive index,absorption coefficient, and optical band gap) were investigated by optical transmittance measurements in the wavelength range of ultraviolet-visible-near infrared spectroscopy and spectroscopy infrared with Fourier transform. Fourier(FT-IR) and XRD analysis indicated that all sputtering ZnS films had a single-phase with a preferred orientation along the(111) plane of the zinc sphalerite phase(ZB). The crystallite size ranged from 11.5 to 48.5 nm with RF power getting a maximum of 200 W. UV-visible measurements exhibited that the ZnS film had more than 80% transmission in the visible wavelength region. In addition, it has been observed that the band gap energy of ZnS films is decreased slightly from 3.52 to 3.29 eV, and as the RF power is increased, the film thickness increases with the speed of deposit growth. Scanning electron microscopy observations revealed the types of smooth-surfaced films. The measurements(FT-IR) revealed at wave number1118 and 465.02 cm^(-1) absorption bands corresponding to the symmetrical and asymmetric vibration of the Zn-S stretching mode. X-ray reflectometry measurements of ZnS films have shown that the density of the films is(3.9 g/cm^3) close to that of solid ZnS. | C.M.Samba Vall M.Chaik H.Ait Dads H.El Aakib M.Elyaagoubi M.Aggour A.Outzourhit | 2018 | Journal of Semiconductors2018，39，12： | 2 |
| 3 | Molecular-structure of the human Desmoplakin-I and Desmoplakin-II amino terminus 显示文摘 | Virata MLA Wagner RM Parry DAD | 1992 | Proc Natl Acad Sci USA1992，89，2： | 1 |
| 4 | Partial purification and properties of chlorophyllase from chlorotic Citrus limon leaves 显示文摘 | FERNANDEZ- LOPEZ J A ALMELA L SOLE - DAD - ALMANSAM | 1992 | Phytochemistry1992，31，： | 1 |
| 5 | Mechanism of degradation of wool wax in the anaerobic treatment of woolscouring wastewater显示文摘 | SOLE DAD C ALBERTO H MARIA V | 1999 | Water Sci Tech1999，40，8： | 1 |
| 6 | Genome fingerprinting by simple sequence repeart (SSR) an hored polymerase chain reaction amplification 显示文摘 | ZIE DEWIEZ E RAFALSKI A LABU DAD | 1994 | Genomics1994，20，： | 1 |
| 7 | Regulation of force development studied by photol- ysis of caged ADP in rabbit skinned psoas fibers 显示文摘 | Zhe lu Dad R Swartz Joseph M Metzger Richard L Moss Jef- fery W Walker | 2001 | Biophys J2001，81，： | 1 |
| 8 | Multifaceted roles of human elafin and secretory leukocyte proteinase inhibitor (SLPI), two serine protease inhibitors of the chelonianin family显示文摘 | Moreau T Baranger K Dad S | 2008 | Biochimie2008，90，2： | 1 |
| 9 | Rain-,wind-,and touch-induced expression of calmedulin and calmedulin-related genes in Arabidopsis显示文摘 | Braam J Dads R W | 1990 | Cell1990，60，3： | 1 |
| 10 | Heterogeneity of Pericen- tric Inversions of the Human Y Chromosome显示文摘 | S Knebel JJ Pasantes DAD Thi | 2011 | Cytogenet Genome Res2011，132，： | 1 |
| 11 | Radiofrequency catheter ablation for tachyarrhythmias in children and adolescents 显示文摘 | Danford DAD Deal BJ | 1994 | N Engl J Med1994，330，： | 1 |
| 12 | Deposition of Nanocryctalline Silicon Thin Films: Effect of Total Pressure and Substrate Temperature 显示文摘 | Bagh dad R | 2008 | Thin Solid Films2008，516，12： | 1 |
| 13 | Enzymatic polishing of rice-A new processing technology 显示文摘 | DADS M GUPTA S KAPOOR V | 2008 | LWT-Food Sci Technol2008，41，10： | 1 |
| 14 | Class of an- tiretroviral drugs and the risk of myocardial infarction显示文摘 | DAD Study Group Friis-Moller N Reiss P | 2007 | N En- gl J Med2007，356，17： | 1 |
| 15 | Positive pseudo almost periodic solutions for some nonlinear infinite delay integral equations显示文摘 | El Hadi Ait Dads Philippe Cieutat Lahcen Lhachimi | 2008 | Mathematical and Computer Modelling2008，，3： | 1 |
| 16 | Almost periodic solution for some neutral nonlinear integral equation 显示文摘 | Dads E A Ezzinbi K | 1997 | Nonlinear Anal TMA1997，28，9： | 1 |
| 17 | Existence of Positive Pseudo-almost-periodic Solution for Some Nonlinear Infinite Delay Intelay Equations Arising in Epidemic Problem显示文摘 | DADS E A EZZINBI K | 2000 | Nonlinear Analysis2000，41，1： | 1 |
| 18 | Lateralizing and localizing values of ictal onset recorded on the scalp: Evidence from simultaneous recordings with intracranial foramen ovale electrodes 显示文摘 | Alarcon G Kissani N Dad M | 2001 | Epilepsia2001，42，11： | 1 |
| 19 | Existence of positive pseudo-almost-periodic solution for some nonlinear infinite delay integral equations arising in epidemic problems显示文摘 | E.Ait Dads K. Ezzinbi | 2000 | Nonlinear Analysis2000，，1： | 1 |
| 20 | Boundedness and almost periodicity for some state-dependent delay differential equations 显示文摘 | Khalil Ezzinbi | 2002 | Electronic Journal of Differential Equations2002，2002，67： | 1 |
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