02229cam a2200337 a 4500 EG-GiCUC 20250223031327.0 151031s2015 ua dh f m 000 0 eng d EG-GiCUC eng EG-GiCUC eng Deposite M.Sc Cai01.12.25.M.Sc.2015.Ba.B Basem Salah Eldin Zakaria Mohamed Reda Biodegradation of heterocyclic nitrogenous compounds using nano-coated bacteria and study the overexpression of carbazole biodegradation genes / Basem Salah Eldin Zakaria Mohamed Reda ; Supervised Sherif Mourad Sherif , Seham Eltemtamy التكسير الحيوي للمواد النيتروجينية الغير متجانسة الحلقات بأستخدام البكتيريا المغلفة بالأجسام النانونية و دراسة النشاط الجيني لتكسير الكاربازول Cairo : Basem Salah Eldin Zakaria Mohamed Reda , 2015 170 P. : charts , facsimiles ; 25cm Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Biotechnology This study suggested an effective enrichment technique for isolation of new bacterial strains capable of degrading carbazole from two coke samples. The most efficient carbazole degrader BS1 was identified as Bacillus clausii, as determined by 16S rDNA gene sequence analysis. BS1 was capable of degrading 94.25% of 1000 ppm carbazole within 7d of incubation at 30{u00B0}C, pH7 and 200 rpm. Based on five levels of factorial CCD and RSM, the optimum value of Tween 80 and yeast extract concentration for obtaining higher CAR degradation was about 0.861% (v/v) and 0.868 g/L for BS1, respectively. The Fe O coated BS1 showed the highest degradation activity (99.18%) than those with free cells (94.25%) after 168 h Issued also as CD Enrichment Identification Isolation Seham Eltemtamy , Supervisor Sherif Mourad Sherif , Supervisor http://172.23.153.220/th.pdf Nazla Revisor Soheir Cataloger ddc TH 52993 52993 ddc 0 CUCL cl210 2024-02-11 Cai01.12.25.M.Sc.2015.Ba.B 01010110066548000 2023-09-22 00:00:00 TH ddc 0 CUCL cl2u8 2024-02-11 Cai01.12.25.M.Sc.2015.Ba.B 01020110066548000 2023-09-22 00:00:00 66548.CD CD