دپالانچه, کوین ، سنیپ, تی جی ، حضرتی, صادق ، هاراد, استوارت ، مکاسکی, ال ئی (1388) قابلیت تطبیق یک کاتالیست ارگانیک حیاتی جدید: سل های پالادایزد دسولفوویبریو دسولفوریکن و کاربرد آن در دهالوژناسیون مواد مهار کننده آتش. Environmental Technology ــ 30 (7). ص.ص.681-692. شاپا 0959-3330
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عنوان انگليسی
Versatility of a new bioinorganic catalyst: Palladized cells of Desulfovibrio desulfuricans and application to dehalogenation of flame retardant materials
خلاصه انگلیسی
The versatility and reaction specificity of a novel bioinorganic catalyst is demonstrated in various reactions. Palladized cells (bioPd) of the sulphate-reducing bacterium Desulfovibrio desulfuricans showed an increased product selectivity and a catalytic activity comparable to a commercial Pd catalyst in several industrially relevant hydrogenations and hydrogenolyses (reductive dehalogenations). The ability of palladized cells to promote the reductive debromination of a polybrominated diphenyl ether (PBDE #47) is demonstrated, although chemically reduced Pd(II) and commercial Pd(0) were more effective debromination agents. Polybrominated diphenyl ethers are being supplanted as flame retardants by other compounds, e.g. tris(chloroisopropyl) phosphate (TCPP), the concentration of which was seen to increase 10-fold in groundwater samples between 2000 and 2004. BioPd dechlorinated TCPP in groundwater samples with 90% recovery of free chloride ion, and was five times more effective than using commercial Pd(0) catalyst. Examination of the spent groundwater using 31P NMR showed a phosphorus species novel to the bioPd-treated solution, which was not evident in a commercial reference sample of TCPP.
| نوع سند : | مقاله |
|---|---|
| زبان سند : | انگلیسی |
| نویسنده اول : | کوین دپالانچه |
| نویسنده مسئول : | ال ئی مکاسکی |
| ضریب تاثیر و نمایه مجلات: | cited By (since 1996) 1 2008 Impact Factor: 0.674 Indexed:1- ISI-Medlin/Pubmed 2- Current Contents Agricultural,Scopus 3-Biology and Environmental Sciences and Current Contents Engineering Technology and Applied Science. Environmental Technology is abstracted in Chemical Abstracts, Excerpta Medica, Current Advances in Ecological Sciences, Current Advances in Microbiology, Current Awareness in Biological Sciences, Environmental Periodicals Bibliography, Aqualine Abstracts, Metal Abstracts, World Aluminium Abstracts and the Institution of Engineering and Technology (IET) Inspec Direct databases. |
| کلیدواژه ها (انگلیسی): | 31P-NMR; Brominated aromatic compounds; Catalytic activity; Concentration of; Debromination; Desulfovibrio desulfuricans; Free chlorides; Pd catalyst; Phosphorus species; Polybrominated diphenyl ethers; Product selectivities; Reductive debromination; Sulphate-reducing bacteria; TCPP, Aromatic compounds; Bacteriology; Catalysis; Chlorine compounds; Dehalogenation; Ethers; Fire fighting equipment; Flame retardants; Groundwater; Hydrogeology; Palladium; Palladium compounds; Phosphorus; Polyacrylates, Catalyst selectivity, flame retardant; ground water; organophosphorus compound; palladium, catalysis; microbial activity; PBDE; reduction; sulfate-reducing bacterium, article; catalysis; catalyst; debromination; dechlorination; dehalogenation; Desulfovibrio desulfuricans; hydrogenation; hydrogenolysis; nonhuman, Desulfovibrio desulfuricans; Flame Retardants; Halogenation; Hydrogenation; Industrial Waste; Microscopy, Electron, Transmission; Nuclear Magnetic Resonance, Biomolecular; Palladium; Phosphorus Isotopes; Waste Disposal, Fluid; Water Pollutants, Chemical, Bacteria (microorganisms); Desulfovibrio desulfuricans |
| موضوعات : | WA بهداشت عمومي > WA 400 بهداشت حرفه ای WA بهداشت عمومي > WA 400 بهداشت حرفه ای |
| بخش های دانشگاهی : | دانشکده بهداشت > گروه بهداشت محیط |
| کد شناسایی : | 1172 |
| ارائه شده توسط : | دکتر صادق حضرتی |
| ارائه شده در تاریخ : | 28 اسفند 1388 04:05 |
| آخرین تغییر : | 15 بهمن 1391 14:03 |
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- قابلیت تطبیق یک کاتالیست ارگانیک حیاتی جدید: سل های پالادایزد دسولفوویبریو دسولفوریکن و کاربرد آن در دهالوژناسیون مواد مهار کننده آتش. (deposited 28 اسفند 1388 04:05) [Currently Displayed]
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