پديد آورنده :
يزدان پناه، سارا
عنوان :
استخراج و شناسايي متابوليت هاي ثانويه از جمله رنگ توسط باكتري سراشيا و كاربرد آن ها در صنعت نساجي
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
شيمي نساجي
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده نساجي
صفحه شمار :
يازده، 63ص.: مصور، جدول، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
فرزانه علي حسيني
توصيفگر ها :
سراشيا مارسنس , آنزيم , رنگرزي , پروديجيوسين , FTIR
تاريخ نمايه سازي :
94/2/8
استاد داور :
مجيد مرتضوي، مسعود بهار
تاريخ ورود اطلاعات :
1396/09/26
چكيده انگليسي :
13AbstractDue to increasing problems of petroleum products including wastes and toxic pollutants many researchers begin to study the nature and the great potential of microorganisms Micro organisms are one of the vast and varied natural resources They can produce a vast varietyof products such as Dyes enzymes and drugs so they have become an important resourcefor a future without oil Serratia marcescens is a genus of Gram negative facultative anaerobic rod shaped bacteria of the Enterobacteriaceae family Serratia marcescens has the ability toproduce red pigment Prodigiosin as a secondary metabolite It is very resistant bacteria inharsh environments It can use inexpensive media and wastewaters rich in hydrocarbons forgrowing Virulence of this bacteria is often for people with weak immune system In thisresearch color production and its ability to dye fabrics was studied To reach highest yieldof pigment production the effect of different cultures were also studied A culture containingstarch as a carbon source casein peptone as a nitrogen source and magnesium and potassiumsalts was found suitable Best pigment production conditions including temperature oxygencontent pH and light were investigated Results showed that the bacteria doesn t haveessential need for oxygen and initial pH adjustment for pigment production Darkenvironment had better result and optimum temperature was achieved at 25 C Bacterialmutation assay was performed by applying UV irradiation formaldehyde and chromium Color change results compared to the original pigment using UV Visible spectrophotometer Enzyme essays shoed that bacteria has ability to produce protease and lipase The dyeingprocedure was performed on common textile fabrics The pigment could dye wool nylonand acrylic fabric at pH 5 with high washing fastness of 5 in grey scale The colorant alsoshowed anti bacterial properties FTIR spectra of pigment structure showed that the pigmentis highly belong to the category of prodigiosin family Keywords secondary metabolites Serratia marcescens dyes enzymes dyeing prodigiosin FTIR anti bacterial
استاد راهنما :
فرزانه علي حسيني
استاد داور :
مجيد مرتضوي، مسعود بهار
