sources transport and fate of vocs in ground water an overview
Transport and fate of persistent toxic organic chemicals in aquatic ecosystems: the Niagara River to St Lawrence River Estuary example pptx
... primarily of inorganic material and have an organic carbon content of only some % or less However, some of this organic content can be in the form of thin organic coatings on the mineral substrates In ... limnological information generated by earlier work can be used in conjunction with more recent contaminant-specific and problem-oriented research to refine our understanding of the transport and fate ... regulations, and remedial action plans be decided upon and implemented 32 R J Allan REFERENCES Allan, R J (1986) The Role of Paniculate Matter in the Fate of Contaminants in Aquatic Ecosystems of Canada,...
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Molecular transport and structure of DNA in a congested state
... of the two strands around the strand opposite the nicks (9, 10) Because chloroquine (used as an unwinding ligand) causes a decrease in twist of the DNA double helix without changing the linking ... blueprint of life’ DNA plays an important role in many biological processes, such as replication, recombination, and transcription of the genome (4，5) DNA is often in crowded conditions and condensed ... of the supporting medium provides different screening conditions of DNA From a biophysical point of view, it is of interest to understand the interplay between conformation and interactions in...
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báo cáo hóa học: " Quality of life data as prognostic indicators of survival in cancer patients: an overview of the literature from 1982 to 2008" pot
... change in quality of life score and survival [31] In addition, most studies have shown that pain and appetite loss are independent determinants of overall survival One found that a 40-point increase ... health-related quality of life and survival in head and neck cancer A study of 208 head and neck cancer patients reported that physical functioning, mood and global quality of life did not predict ... are significantly associated with each other, in many instances when one includes both physical functioning and performance status in the regression models, the likelihood of finding inconsistent...
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A Review of Transport and Urban Air Pollution in Pakistan: SYED ZAFAR ILYAS ppt
... quality and emissions monitoring, land use and transport planning, transport system management, traffic control, and vehicle registration, inspection, and maintenance should be included, in order ... road construction and maintenance; and land use In the case of many of these important functions, agency roles and responsibilities are fragmented, overlapping, and conflicting In addition to this ... from urban transport the development and implementation of vehicle emission and fuel and oil quality standards; vehicle licensing, registration, and inspection; certification and licensing of fuel...
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Báo cáo khoa học: "INTEGRATING MULTIPLE KNOWLEDGE SOURCES FOR DETECTION AND CORRECTION OF REPAIRS IN HUMAN-COMPUTER DIALOG*" potx
... type involved matching strings of identical words More than half (339 out of 436) of the nontrivial repairs (more editing necessary than deleting fragments and filled pauses) in the corpus were of ... combining them, and possibly others, we can greatly enhance our ability to detect and correct repairs As a next step, we intend to explore additional aspects of the syntax and semantics of repairs, ... ran them two ways: once using syntactic constraints alone and again using both syntactic and semantic constraints As can be seen, Gemini is quite accurate at detecting a repair, although somewhat...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 1 pot
... K., and Stan, H.J., Occurrence and distribution of organic contaminants in the aquatic system in Berlin Part 1: Drug residues and other polar contaminants in Berlin surface and groundwater, Acta ... regulatory and technical community and has prompted interest in sponsoring research that defines the composition and concentrations of PPCPs in potential sources and their fate and effects following ... natural stimulant in coffee, tea, and guarana and added to other beverages or as an over-the-counter stimulant • Carbamazepine an antiepileptic used in the treatment of psychomotor and grand mal seizures,...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 2 docx
... atenolol, metoprolol and sotalol, carbamazepine and the three fluoroquinolones antibiotics—ciprofloxacin, ofloxacin, and norfloxacin in groundwater, surface waters, and raw and treated sewages ... 88 and 106% for wastewater influent, 85 and 108% for wastewater effluent, 72 and 105% for surface water impacted by wastewater, 96 and 113% for surface water, and 91 and 116% for drinking water ... ANALGESICS AND ANTIINFLAMMATORY DRUGS Analgesic and antiinflammatory drugs are ubiquitous in wastewater effluents of municipal WWTPs36 and as a result are found in surface waters This group of...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 3 pdf
... household dust and tetracyclines, sulfamethazine, tylosine, and chloramphenicol in animal confinement buildings.3 The dust from the interior of an animal confinement building was analyzed and found ... using an MIP with recoveries of 103 to 104% for drinking water, pond water, and well water. 48 The binding of estrogens to an MIP developed to aid in the analysis of estrogens in natural waters ... S.J., and Spaldin, R.F., 2001 Analysis of oxytetracycline, tetracycline, and chlortetracycline in water using solid-phase extraction and liquid chromatography-tandem mass spectrometry Journal of...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 4 potx
... B Bau, M and Dulski, P., Anthropogenic origin of positive gadolinium anomalies in river waters, Earth Plan Sci Lett., 143, 245, 1996 Debatin, J.F and Hany, T.F., MR-based assessment of vascular ... dilution water and to various concentrations of the substances (0.1, 1.0, 10.0, 100.0, and 1000.0 mg/L in case of gadobutrol and gadoxetic acid disodium, 100 mg/L in case of dimeglumine gadopentetate, ... gadolinium-containing contrast enhancing agents for MRI and provides an environmental risk assessment based on the information obtained MRI is an essential tool in the noninvasive diagnostics of...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 5 pot
... understanding of the fate (and effects) of some of the more important classes in the environment A large body of data is now available on the effects of the manure matrix on fate and transport, and ... Drainflow Surface Water Biota FIGURE 5.1 Input routes and fate and transport pathways for veterinary medicines in the soil environment © 2008 by Taylor & Francis Group, LLC Fate and Transport of ... & Francis Group, LLC Fate and Transport of Veterinary Medicines in the Soil Environment 137 49 Migliore, L., Cozzolino, S., and Fiori, M Phytotoxicity and uptake of enrofloxacin in crop plants...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 6 pptx
... site of metal binding in tetracycline, J Am Chem Soc., 97, 2397, 1975 33 Case, C.L and Carlson, M.S., Effect of feeding organic and inorganic sources of additional zinc on growth performance and ... present an overview of emerging research on the degradation of antibiotics and hormones in the environment 6.2 ASSESSING CONTAMINANT FATE AND TRANSPORT IN SOIL ENVIRONMENTS The potential for antibiotics ... by land application and used to meet irrigation demands in arid regions Recent surveys of organic contaminants in wastewater effluents and biosolids have reported a suite of antibiotics and other...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 7 pot
... environment An understanding of the degradation and fate of veterinary antibiotics in soil is important because of widespread use of the compounds in livestock production in the United States, and the ... resulting in adverse human health effects Certainly, there is significant evidence for development of antibiotic resistance within animals and in the excretion of antibiotic-resistant bacteria in ... were in the absence of exposure to tylosin or other antibiotics and may be explained by a natural level of resistance in the population Leaching of tylosin-resistant Enterococcus in the MT and...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 8 potx
... Liguoro, M., Cibin, V., Capolongo, F., Halling-Sứrensen, B., and Montesissa, C., Use of oxytetracycline and tylosin in intensive calf farming: evaluation of transfer to manure and soil, Chemosphere, ... occurrence, fate and effects of veterinary antibiotics (VAs) in the environment, Chemosphere, 65, 725, 2006 16 Picú, Y and Andreu, V., Fluoroquinolones in soilRisks and challenges, Anal Bioanal Chem., ... 2.4 and 7.4 and 1.8 and 6.0 for sulfamethazine and sulfamethoxazole, respectively.61 Sulfamethazine is a frequently used veterinary antibiotic, and in a previous study it has been detected in...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 9 docx
... relevant antibiotics 9.2 PLANT UPTAKE AND PHYTOTOXICITY OF PHARMACEUTICALS Like many heavy metals and organic contaminants, antibiotics can be taken up by plants and can elicit phytotoxicity in ... remediation of sulfadimethoxine7 and oxytetracycline8 antibiotics The phytoremediation of metals and organic pollutants in soil is an emerging, lowcost technology, but the underlying biochemical mechanisms ... Fate of Pharmaceuticals in the Environment and in Water Treatment Systems Phytoremediation, the application of plants and their associated microbes to enhance biodegradation of contaminants in...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 10 docx
... trimethoprim, and three fluoroquinolone antibiotics (ciprofloxacin, enrofloxacin, and flumequine) in reaction with free chlorine and chloramines have been studied, albeit at a far lower disinfectant-to-analyte ... Cho, J., Kim, I.S., Vanderford, B.J., and Snyder, S.A Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and waste waters, Water Res 2007, 41(5), ... consists of coagulation, flocculation, sedimentation, filtration, and disinfection is often employed in drinking water treatment facilities Ozone and UV can be used as oxidants and disinfectants,...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 11 docx
... wastewater, the impact of wastewater discharge on surface water or groundwater drinking water supplies, and the removal efficiency of the remaining contaminants by conventional and advanced drinking ... 250 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems TABLE 11.6 Emerging Contaminants in U.S Drinking Water (n = 20) Compound DEET Atrazine Meprobamate Dilantin Ibuprofen ... concentrations of 39 and 13 ng/L, respectively In finished drinking water, carbamazepine and dilantin were less frequently detected (55 and 70%, respectively) with maximum concentrations of 5.7 and 6.7...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 12 pot
... Chattahoochee River in Atlanta—near the intake of a regional drinking water treatment plant, and from Lake Zurich in Switzerland—at the intake of one of Zurich’s drinking water treatment plants Samples ... AQUEOUS CHLORINE Aqueous chlorine (HOCl / OCl-) is an important drinking water disinfectant and is used in both drinking water and wastewater treatment to achieve chemical oxidation of undesirable ... use of CDX in animal feeds in 199933 and Health Canada to issue a ban on CDX sales in 2001 after reports of misuse and accidental contamination.28 Ciprofloxacin (CIP) and enrofloxacin (ENR) belong...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 13 pot
... feces and urine of cattle throughout pregnancy Exp Clin Endocrinol Diabetes 105:296–303 54 Hoffmann, B and Karg, H 1976 Metabolic fate of anabolic agents in treated animals and residue levels in ... maintaining masculine characteristics), including testosterone, -dihydrotestosterone, -androstane-3 ,17 -diol, and three weakly androgenic steroids—4androstenedione, dehyroepiandrosterone (DHA), and ... Endocrinology 146:3843–3850 149 Trojan, M.D., Maloney, J.S., Stockinger, J.M., Eid, E.P., and Lahtinen, M.J 2003 Effects of land use on ground water quality in the Anoka Sand Plain Aquifer of Minnesota...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 14 doc
... FOR SWINE Swine manure is a mixture of urine and feces, which often contains significant concentrations of antibiotics and hormones Swine manure may typically contain only 10 to 20% solids and, ... acetate and hydrogen by fattyacid oxidizing organisms; and (3) conversion of acetate and hydrogen to methane by methanogens (archea) Because antibiotics may often be present in swine manure and, ... 45% Sanz et al (1996) also saw a plateauing effect for ampicillin, novobiocin, penicillin, kanamycin, gentamicin, spectinomycin, streptomycin, tylosin, and tetracyclines over a wide range of inhibition...
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Fate of Pharmaceuticals in the Environment and in Water Treatment Systems - Chapter 15 docx
... Barcelo, D., Analysis and removal of emerging contaminants in wastewater and drinking water TrAC, Trends Anal Chem., 22, 685, 2003 30 Ashton, D., Hilton, M., and Thomas, K.V., Investigating the environmental ... Occurrence and fate of antibiotics as trace contaminants in wastewaters, sewage sludges, and surface waters, Chimia Int J Chem., 57, 485, 2003 21 Gobel, A et al., Occurrence and sorption behavior of ... discharges of wastewater treatment plants or land application of sewage sludge and animal manure Most active ingredients in pharmaceuticals are transformed only partially in the body and thus are...
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