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[PMID]:29322334
[Au] Autor:Furlan JPR; Stehling EG
[Ad] Endereço:Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Av. do Café S/N. Monte Alegre, Ribeirão Preto, SP, 14040-903, Brazil.
[Ti] Título:Detection of ß-lactamase encoding genes in feces, soil and water from a Brazilian pig farm.
[So] Source:Environ Monit Assess;190(2):76, 2018 Jan 10.
[Is] ISSN:1573-2959
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:ß-lactam antibiotics are widely used for the treatment of different types of infections worldwide and the resistance to these antibiotics has grown sharply, which is of great concern. Resistance to ß-lactams in gram-negative bacteria is mainly due to the production of ß-lactamases, which are classified according to their functional activities. The aim of this study was to verify the presence of ß-lactamases encoding genes in feces, soil, and water from a Brazilian pig farm. Different ß-lactamases encoding genes were found, including bla , bla , bla , bla , bla , and bla . The bla and bla genes have been detected in all types of samples, indicating the spread of ß-lactam resistant bacteria among farm pigs and the environment around them. These results indicate that ß-lactamase encoding genes belonging to the cloxacillinase, ESBL, and carbapenemase and they have high potential to spread in different sources, due to the fact that genes are closely related to mobile genetic elements, especially plasmids.
[Mh] Termos MeSH primário: Proteínas de Bactérias/genética
Genes Bacterianos
Poluentes do Solo/análise
Poluentes da Água/análise
beta-Lactamases/genética
[Mh] Termos MeSH secundário: Animais
Brasil
Monitoramento Ambiental
Fazendas
Fezes/química
Suínos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Bacterial Proteins); 0 (Soil Pollutants); 0 (Water Pollutants); EC 3.5.2.6 (beta-Lactamases)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180222
[Lr] Data última revisão:
180222
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180112
[St] Status:MEDLINE
[do] DOI:10.1007/s10661-017-6453-x


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[PMID]:28449738
[Au] Autor:Mahon BM; Brehony C; McGrath E; Killeen J; Cormican M; Hickey P; Keane S; Hanahoe B; Dolan A; Morris D
[Ad] Endereço:Antimicrobial Resistance and Microbial Ecology Group, School of Medicine, National University of Ireland, Galway, Ireland.
[Ti] Título:Indistinguishable NDM-producing Escherichia coli isolated from recreational waters, sewage, and a clinical specimen in Ireland, 2016 to 2017.
[So] Source:Euro Surveill;22(15), 2017 Apr 13.
[Is] ISSN:1560-7917
[Cp] País de publicação:Sweden
[La] Idioma:eng
[Ab] Resumo:In this study, New Delhi metallo-beta-lactamase (NDM)-producing Enterobacteriaceae were identified in Irish recreational waters and sewage. Indistinguishable NDM-producing Escherichia coli by pulsed-field gel electrophoresis were isolated from sewage, a fresh water stream and a human source. NDM-producing Klebsiella pneumoniae isolated from sewage and seawater in the same area were closely related to each other and to a human isolate. This raises concerns regarding the potential for sewage discharges to contribute to the spread of carbapenemase-producing Enterobacteriaceae.
[Mh] Termos MeSH primário: Praias
Enterobacteriaceae/enzimologia
Enterobacteriaceae/isolamento & purificação
Esgotos/microbiologia
Microbiologia da Água
Poluentes da Água/isolamento & purificação
beta-Lactamases/metabolismo
[Mh] Termos MeSH secundário: Enterobacteriaceae/classificação
Fezes/microbiologia
Seres Humanos
Irlanda
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Sewage); 0 (Water Pollutants); EC 3.5.2.6 (beta-Lactamases); EC 3.5.2.6 (beta-lactamase NDM-1)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180220
[Lr] Data última revisão:
180220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170429
[St] Status:MEDLINE


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[PMID]:28992476
[Au] Autor:Liu H; Ma Z; Zhang T; Yu N; Su G; Giesy JP; Yu H
[Ad] Endereço:State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, Jiangsu 210023, China.
[Ti] Título:Pharmacokinetics and effects of tetrabromobisphenol a (TBBPA) to early life stages of zebrafish (Danio rerio).
[So] Source:Chemosphere;190:243-252, 2018 Jan.
[Is] ISSN:1879-1298
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:In silico and in vivo approaches were combined in an aggregate exposure pathway (AEP) to assess accumulation and effects of waterborne exposures of early life stages of zebrafish (Danio rerio) to tetrabromobisphenol A (TBBPA). Three metabolites, two of which were isomers, were detected in fish. Two additional metabolites were detected in the exposure solution. Based on kinetics modeling, proportions of TBBPA that were bioaccumulated and metabolized were 19.33% and 8.88%, respectively. Effects of TBBPA and its metabolites were predicted by use of in silico, surflex-Dock simulations that they were capable of interacting with ThRα and activating associated signaling pathways. TBBPA had a greater toxic contribution than its metabolites did when we evaluated the toxicity of these substances based on the toxicity unit method. The half of the internal lethal dose (ILD ) was 18.33 µg TBBPA/g at 74 hpf. This finding was further confirmed by changes in expressions of ThRα and other NRs as well as associated genes in their signal pathways. Specifically, exposure to 1.6 × 10 , 3.3 × 10 or 6.5 × 10 µg TBBPA/L significantly down-regulated expression of ThRα and associated genes, ncor, c1d, ncoa2, ncoa3, and ncoa4, in the AR pathway and of er2a and er2b genes in the ER pathway.
[Mh] Termos MeSH primário: Bifenil Polibromatos/farmacologia
Peixe-Zebra/metabolismo
[Mh] Termos MeSH secundário: Animais
Relação Dose-Resposta a Droga
Embrião não Mamífero/efeitos dos fármacos
Retardadores de Chama/metabolismo
Retardadores de Chama/farmacocinética
Retardadores de Chama/farmacologia
Retardadores de Chama/toxicidade
Regulação da Expressão Gênica/efeitos dos fármacos
Bifenil Polibromatos/metabolismo
Bifenil Polibromatos/farmacocinética
Bifenil Polibromatos/toxicidade
Transdução de Sinais/efeitos dos fármacos
Poluentes da Água/farmacologia
Poluentes da Água/toxicidade
Peixe-Zebra/embriologia
Peixe-Zebra/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Flame Retardants); 0 (Polybrominated Biphenyls); 0 (Water Pollutants); FQI02RFC3A (tetrabromobisphenol A)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180215
[Lr] Data última revisão:
180215
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171010
[St] Status:MEDLINE


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[PMID]:28460996
[Au] Autor:Rosado-García FM; Guerrero-Flórez M; Karanis G; Hinojosa MDC; Karanis P
[Ad] Endereço:State Key Laboratory of Plateau Ecology and Agriculture, Center for Biomedicine and Infectious Diseases, Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining, Qinghai, PR China; National Institute of Hygiene, Epidemiology and Microbiology of Cuba, Cuba.
[Ti] Título:Water-borne protozoa parasites: The Latin American perspective.
[So] Source:Int J Hyg Environ Health;220(5):783-798, 2017 07.
[Is] ISSN:1618-131X
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:Health systems, sanitation and water access have certain limitations in nations of Latin America (LA): typical matters of developing countries. Water is often contaminated and therefore unhealthy for the consumers and users. Information on prevalence and detection of waterborne parasitic protozoa are limited or not available in LA. Only few reports have documented in this field during the last forty years and Brazil leads the list, including countries in South America and Mexico within Central America region and Caribbean islands. From 1979 to 2015, 16 outbreaks of waterborne-protozoa, were reported in Latin American countries. T. gondii and C. cayetanensis were the protozoa, which caused more outbreaks and Giardia spp. and Cryptosporidium spp. were the most frequently found protozoa in water samples. On the other hand, Latin America countries have not got a coherent methodology for detection of protozoa in water samples despite whole LA is highly vulnerable to extreme weather events related to waterborne-infections; although Brazil and Colombia have some implemented laws in their surveillance systems. It would be important to coordinate all surveillance systems in between all countries for early detection and measures against waterborne-protozoan and to establish effective and suitable diagnosis tools according to the country's economic strength and particular needs.
[Mh] Termos MeSH primário: Parasitos/isolamento & purificação
Microbiologia da Água
Poluentes da Água/isolamento & purificação
[Mh] Termos MeSH secundário: Animais
Mudança Climática
Monitoramento Ambiental
Seres Humanos
América Latina
[Pt] Tipo de publicação:JOURNAL ARTICLE; REVIEW; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Water Pollutants)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:180206
[Lr] Data última revisão:
180206
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170503
[St] Status:MEDLINE


  5 / 13744 MEDLINE  
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[PMID]:28456381
[Au] Autor:Varin A; Valot B; Cholley P; Morel C; Thouverez M; Hocquet D; Bertrand X
[Ad] Endereço:Hygiène Hospitalière, Centre Hospitalier Régional Universitaire, Besançon, France.
[Ti] Título:High prevalence and moderate diversity of Pseudomonas aeruginosa in the U-bends of high-risk units in hospital.
[So] Source:Int J Hyg Environ Health;220(5):880-885, 2017 07.
[Is] ISSN:1618-131X
[Cp] País de publicação:Germany
[La] Idioma:eng
[Ab] Resumo:The presence of P. aeruginosa in water supply is clearly identified as a risk factor for P. aeruginosa infection in critical care units, even if routes of transmission are often unclear and remain a matter of debate. We determined here the frequency of U-bends contaminated with P. aeruginosa in high-risk units and described the population structure of this opportunistic pathogen in a non-outbreak situation. Eighty-seven U-bends from sinks of rooms in five wards were sampled 3 times and P. aeruginosa was detected in 121 of the 261 (46.4%) U-bend samples. We genotyped 123 P. aeruginosa isolates with pulsed-field gel electrophoresis and multilocus sequence typing and found 41 pulsotypes distributed in 21 Sequence Types (STs). Seven major ST (ST111, CC235, CC253, ST520, ST539, ST1216, and ST1725) were overrepresented in the collection, including the high-risk clones ST111, CC253, and CC235. The distribution of the 21 STs in the cladogram of the species was uneven with most major STs clustering into 2 clades. The major STs were found in different units and buildings and could be represented by a high diversity of pulsotypes. Altogether, this suggests a long term presence of P. aeruginosa in the hospital water network, possibly contaminated by the distribution water or by plumbing fittings before putting into service. Analysis of resistance rates showed that the deficiency of porin OprD was very frequent in U-bends isolates that may benefit from this resistance mechanism in hospital water fittings. In conclusion, our study demonstrates that U-bends of high-risk units are very frequently contaminated with P. aeruginosa with a moderate genomic diversity and with an over-representation of adapted clones.
[Mh] Termos MeSH primário: Drenagem Sanitária
Unidades de Terapia Intensiva
Pseudomonas aeruginosa/isolamento & purificação
Poluentes da Água/isolamento & purificação
[Mh] Termos MeSH secundário: Antibacterianos/farmacologia
Farmacorresistência Bacteriana
Monitoramento Ambiental
Variação Genética
Genótipo
Hospitais
Pseudomonas aeruginosa/efeitos dos fármacos
Pseudomonas aeruginosa/genética
Microbiologia da Água
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Anti-Bacterial Agents); 0 (Water Pollutants)
[Em] Mês de entrada:1712
[Cu] Atualização por classe:180206
[Lr] Data última revisão:
180206
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170501
[St] Status:MEDLINE


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[PMID]:28468230
[Au] Autor:De La Mora-Orozco C; Flores-Lopez H; Rubio-Arias H; Chavez-Duran A; Ochoa-Rivero J
[Ad] Endereço:National Research Institute for Forestry, Agriculture and Animal Production, Km 8 Tepatitlan-Lagos de Moreno, Jalisco, 47600 Tepatitlan de Morelos, Jalisco, Mexico. delamora.celia@inifap.gob.mx.
[Ti] Título:Developing a Water Quality Index (WQI) for an Irrigation Dam.
[So] Source:Int J Environ Res Public Health;14(5), 2017 04 29.
[Is] ISSN:1660-4601
[Cp] País de publicação:Switzerland
[La] Idioma:eng
[Ab] Resumo:Pollution levels have been increasing in water ecosystems worldwide. A water quality index (WQI) is an available tool to approximate the quality of water and facilitate the work of decision-makers by grouping and analyzing numerous parameters with a single numerical classification system. The objective of this study was to develop a WQI for a dam used for irrigation of about 5000 ha of agricultural land. The dam, La Vega, is located in Teuchitlan, Jalisco, Mexico. Seven sites were selected for water sampling and samples were collected in March, June, July, September, and December 2014 in an initial effort to develop a WQI for the dam. The WQI methodology, which was recommended by the Mexican National Water Commission (CNA), was used. The parameters employed to calculate the WQI were pH, electrical conductivity (EC), dissolved oxygen (DO), total dissolved solids (TDS), total hardness (TH), alkalinity (Alk), total phosphorous (TP), Cl , NO3, SO4, Ca, Mg, K, B, As, Cu, and Zn. No significant differences in WQI values were found among the seven sampling sites along the dam. However, seasonal differences in WQI were noted. In March and June, water quality was categorized as poor. By July and September, water quality was classified as medium to good. Quality then decreased, and by December water quality was classified as medium to poor. In conclusion, water treatment must be applied before waters from La Vega dam reservoir can be used for irrigation or other purposes. It is recommended that the water quality at La Vega dam is continually monitored for several years in order to confirm the findings of this short-term study.
[Mh] Termos MeSH primário: Irrigação Agrícola/normas
Monitoramento Ambiental/normas
Qualidade da Água/normas
Abastecimento de Água/normas
[Mh] Termos MeSH secundário: Cloretos/análise
Condutividade Elétrica
Concentração de Íons de Hidrogênio
Metais/análise
México
Nitratos/análise
Oxigênio/análise
Fósforo/análise
Sulfatos/análise
Poluentes da Água/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Chlorides); 0 (Metals); 0 (Nitrates); 0 (Sulfates); 0 (Water Pollutants); 27YLU75U4W (Phosphorus); S88TT14065 (Oxygen)
[Em] Mês de entrada:1709
[Cu] Atualização por classe:180201
[Lr] Data última revisão:
180201
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170505
[St] Status:MEDLINE


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[PMID]:28987567
[Au] Autor:Lusher AL; Hernandez-Milian G; Berrow S; Rogan E; O'Connor I
[Ad] Endereço:Marine and Freshwater Research Centre, Galway-Mayo Institute of Technology, Dublin Road, Galway, Ireland. Electronic address: amy.lusher@niva.no.
[Ti] Título:Incidence of marine debris in cetaceans stranded and bycaught in Ireland: Recent findings and a review of historical knowledge.
[So] Source:Environ Pollut;232:467-476, 2018 Jan.
[Is] ISSN:1873-6424
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Interactions between marine mammals and plastic debris have been the focus of studies for many years. Examples of interactions include entanglement in discarded fishing items or the presence of ingested debris in digestive tracts. Plastics, including microplastics, are a form of marine debris globally distributed in coastal areas, oceanic waters and deep seas. Cetaceans which strand along the coast present a unique opportunity to study interactions between animals with macro- and microplastics. A combination of novel techniques and a review of historical data was used to complete an extensive study of cetaceans interacting with marine debris within Irish waters. Of the 25 species of marine mammals reported in Irish waters, at least 19 species were reported stranded between 1990 and 2015 (n = 2934). Two hundred and forty-one of the stranded cetaceans presented signs of possible entanglement or interactions with fisheries. Of this number, 52.7% were positively identified as bycatch or as entangled in fisheries items, 26.6% were classified as mutilated and 20.7% could not be related to fisheries but showed signs of entanglement. In addition, 274 cetaceans were recorded as by-catch during observer programmes targeting albacore tuna. Post-mortem examinations were carried out on a total of 528 stranded and bycaught individuals and 45 (8.5%) had marine debris in their digestive tracts: 21 contained macrodebris, 21 contained microdebris and three had both macro- and microdebris. Forty percent of the ingested debris were fisheries related items. All 21 individuals investigated with the novel method for microplastics contained microplastics, composed of fibres (83.6%) and fragments (16.4%). Deep diving species presented more incidences of macrodebris ingestion but it was not possible to investigate this relationship to ecological habitat. More research on the plastic implications to higher trophic level organisms is required to understand the effects of these pollutants.
[Mh] Termos MeSH primário: Cetáceos
Monitoramento Ambiental
Conteúdo Gastrointestinal/química
Resíduos/análise
Poluentes da Água/análise
[Mh] Termos MeSH secundário: Animais
Ecossistema
Pesqueiros
Incidência
Irlanda
Oceanos e Mares
Perciformes
Plásticos/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Plastics); 0 (Waste Products); 0 (Water Pollutants)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180123
[Lr] Data última revisão:
180123
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171009
[St] Status:MEDLINE


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[PMID]:28966027
[Au] Autor:Eriksen M; Liboiron M; Kiessling T; Charron L; Alling A; Lebreton L; Richards H; Roth B; Ory NC; Hidalgo-Ruz V; Meerhoff E; Box C; Cummins A; Thiel M
[Ad] Endereço:5 Gyres Institute, 3131 Olympic Blvd #302, Santa Monica, CA, 90404, USA. Electronic address: marcus@5gyres.org.
[Ti] Título:Microplastic sampling with the AVANI trawl compared to two neuston trawls in the Bay of Bengal and South Pacific.
[So] Source:Environ Pollut;232:430-439, 2018 Jan.
[Is] ISSN:1873-6424
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Many typical neuston trawls can only be used during relatively calm sea states and slow tow speeds. During two expeditions to the Bay of Bengal and the eastern South Pacific we investigated whether the new, high-speed AVANI trawl (All-purpose Velocity Accelerated Net Instrument) collects similar amounts and types of microplastics as two established scientific trawl designs, the manta trawl and the DiSalvo neuston net. Using a 335 µm net, the AVANI trawl can collect microplastics from the sea surface at speeds up to 8 knots as it "skis" across the surface, whereas the manta and DiSalvo neuston trawls must be towed slowly in a less turbulent sea state and often represent shorter tow lengths. Generally, the AVANI trawl collected a greater numerical abundance and weight of plastic particles in most size classes and debris types than the manta trawl and DiSalvo neuston net, likely because these trawls only skim the surface layer while the AVANI trawl, moving vertically in a random fashion, collects a "deeper" sample, capturing the few plastics that float slightly lower in the water column. However, the samples did not differ enough that results were significantly affected, suggesting that studies done with these different trawls are comparable. The advantage of the AVANI trawl over traditional research trawls is that it allows for collection on vessels underway at high speeds and during long transits, allowing for a nearly continuous sampling effort over long distances. As local surface currents make sea surface abundance widely heterogeneous, widely spaced short-tow trawls, such as the manta and DiSalvo trawls, can catch or miss hotspots or meso-scale variability of microplastic accumulations, whereas the AVANI trawl, if utilized for back-to-back tows of intermediate distances (5-10 km), can bridge variable wind conditions and debris concentrations potentially reducing variance and provide a greater resolution of spatial distribution.
[Mh] Termos MeSH primário: Monitoramento Ambiental/métodos
Plásticos/análise
Poluentes da Água/análise
[Mh] Termos MeSH secundário: Baías
Monitoramento Ambiental/instrumentação
Índia
Vento
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Plastics); 0 (Water Pollutants)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180123
[Lr] Data última revisão:
180123
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171003
[St] Status:MEDLINE


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[PMID]:28855020
[Au] Autor:Das P; Prasad B; Singh KKK
[Ti] Título:Applicability of Zeolite Based Systems for Ammonia Removal and Recovery From Wastewater.
[So] Source:Water Environ Res;89(9):840-845, 2017 Sep 01.
[Is] ISSN:1061-4303
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Ammonia discharged in industrial effluents bears deleterious effects and necessitates remediation. Integrated systems devoted to recovery of ammonia in a useful form and remediation of the same addresses the challenges of waste management and its utilization. A comparative performance evaluation study was undertaken to access the suitability of different zeolite based systems (commercial zeolites and zeolites synthesized from fly ash) for removal of ammonia followed by its subsequent release. Four main parameters which were studied to evaluate the applicability of such systems for large scale usage are cost-effectiveness, ammonia removal efficiency, performance on regeneration, and ammonia release percentage. The results indicated that synthetic zeolites outperformed zeolites synthesized from fly ash, although the later proved to be more efficient in terms of total cost incurred. Process technology development in this direction will be a trade-of between cost and ammonia removal and release efficiencies.
[Mh] Termos MeSH primário: Amônia/química
Águas Residuais/química
Poluentes da Água/química
Zeolitas/química
[Mh] Termos MeSH secundário: Adsorção
Cinza de Carvão/química
Purificação da Água/métodos
Difração de Raios X
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Coal Ash); 0 (Waste Water); 0 (Water Pollutants); 1318-02-1 (Zeolites); 7664-41-7 (Ammonia)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171103
[Lr] Data última revisão:
171103
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170901
[St] Status:MEDLINE
[do] DOI:10.2175/106143017X14902968254872


  10 / 13744 MEDLINE  
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[PMID]:28855019
[Au] Autor:Hachani R; Sabir H; Sana N; Zohra KF; Nesrine NM
[Ti] Título:Performance Study of a Low-cost Adsorbent-Raw Date Pits-for Removal of Azo Dye in Aqueous Solution.
[So] Source:Water Environ Res;89(9):827-839, 2017 Sep 01.
[Is] ISSN:1061-4303
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:The feasibility of using natural waste (raw date pits) as a low-cost adsorbent for the adsorption of an anionic dye (Congo red) from aqueous solution has been investigated. Adsorption optimized conditions were obtained at low dose 1 g/L, initial dye concentration 100 mg/L, pH 2, equilibrium contact time 120 min, and temperature 20 °C. The corresponding adsorption capacity was around 70 mg/g and could reach 150 mg/g by increasing the ionic strength of the dye solution (0.05 M CaCl2). These results are well modeled by Freundlich isotherm and kinetics study followed by pseudo second-order model. Thermodynamic parameters indicate that the adsorption process is endothermic and not spontaneous. The tests of desorption-regeneration showed that the studied adsorbent has the disadvantage of the loss of efficiency at its reuse but this is offset by its abundance. Based on these results, it can be used as competitive material for the removal of dyes.
[Mh] Termos MeSH primário: Compostos Azo/química
Vermelho Congo/química
Phoeniceae/química
Sementes/química
[Mh] Termos MeSH secundário: Adsorção
Concentração de Íons de Hidrogênio
Modelos Teóricos
Temperatura Ambiente
Poluentes da Água
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Azo Compounds); 0 (Water Pollutants); 3U05FHG59S (Congo Red)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171103
[Lr] Data última revisão:
171103
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170901
[St] Status:MEDLINE
[do] DOI:10.2175/106143017X14902968254863



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