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Enhancement of biodegradation of aromatic compounds by using mixed culture and / or by immobilization / Lamia Ezzat Mansour ; Supervised Magdy Amin , Salwa Rasmy

By: Contributor(s): Language: English Publication details: Cairo : Lamia Ezzat Mansour , 2006Description: 118 Leaves : ill ; 30cmOther title:
  • تعجيل التحطيم البيولوجى للمركبات الاروماتية باستخدام المزارع المختلطة و / او تقنيات التثبيت [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - Faculty of Pharmacy - Department of Microbiology and Immunology Summary: P - Nitrophenol has been listed as a priority pollutant by the United States Environmental Protection AgencyIn this study isolates capable of utilizing PNP as a sole source of carbon were isolatedDegradation of PNP by the isolated strains was affected by : PNP concentration , inoculum size , agitation , pH and temperatureThe degradation of PNP appeared faster and open ended when the pH was maintained at 7The reaction was shown to be inducible and stopped in the presence of streptomycin and was haltedAll isolates were found to bear the common plasmid , which is presumed to be responsible for carrying genes involved in PNP degradation in these strainsImmobilization of bacteria made the biodegradation rates much faster than those occurring in conventional waste treatment systemsHPLC analysis indicated that the pathway for biodegradation of PNP involves the initial removal of the nitro group as nitrite and formation of HydroquinoneHydroquinone is converted to ? - ketoadipic acid via - hydroxymuconic semialdehyde and maleylacetic acid
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.08.06.Ph.D.2006.La.E (Browse shelf(Opens below)) Not for loan 01010110045996000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.08.06.Ph.D.2006.La.E (Browse shelf(Opens below)) 45996.CD Not for loan 01020110045996000

Thesis (Ph.D.) - Cairo University - Faculty of Pharmacy - Department of Microbiology and Immunology

P - Nitrophenol has been listed as a priority pollutant by the United States Environmental Protection AgencyIn this study isolates capable of utilizing PNP as a sole source of carbon were isolatedDegradation of PNP by the isolated strains was affected by : PNP concentration , inoculum size , agitation , pH and temperatureThe degradation of PNP appeared faster and open ended when the pH was maintained at 7The reaction was shown to be inducible and stopped in the presence of streptomycin and was haltedAll isolates were found to bear the common plasmid , which is presumed to be responsible for carrying genes involved in PNP degradation in these strainsImmobilization of bacteria made the biodegradation rates much faster than those occurring in conventional waste treatment systemsHPLC analysis indicated that the pathway for biodegradation of PNP involves the initial removal of the nitro group as nitrite and formation of HydroquinoneHydroquinone is converted to ? - ketoadipic acid via - hydroxymuconic semialdehyde and maleylacetic acid

Issued also as CD

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