پديد آورنده :
رضايي، نگين
عنوان :
غربالگري منابع ميكروبي قادر به بيوسنتز رنگ ها و كاربرد در نساجي
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
شيمي نساجي و علوم الياف
محل تحصيل :
اصفهان: دانشگاه صنعتي صفهان، دانشكده نساجي
صفحه شمار :
شانزده، 120ص.: مصور، جدول، نمودار
يادداشت :
ص.ع. به فارسي و انگليسي
استاد راهنما :
فرزانه علي حسيني
تاريخ نمايه سازي :
94/2/8
استاد داور :
مسعود بهار، محمود فيض
تاريخ ورود اطلاعات :
1396/09/26
چكيده انگليسي :
121 Micribial screening of microorganism with ability to biosynthesis of pigments applicable in Textile Industry Negin Rezaee n rezaee@tx iut ac ir Date of Submission 2015 01 18 Department of Textile engineering Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language PersianSupervisor Dr Farzaneh Alihosseini fhosseini@cc iut ac irAbstractIn recent years due to environmental problems and dependence on oil usage of syntheticdyes more attention has paid to new resources for natural dyes Microbial colorants havebeen used in food industries as environmentally friendly and renewable resources Someof them have shown excellent antimicrobial and UV resistance properties as well In this study colorants produced by some of the microorganisms including bacteriaSerratia Marcescens and Enterobacter the yeast Rhodotorula and some microorganismsisolated from soil and air were investigated Culture medium for maximum color production for each microorganism was studied Results showed that solid medium containing casein peptone yeast extract lactose andMueller Hinton agar are the best medium for Enterobacter and Serratia bacteria Theaqueous medium containing yeast extract glucose sulfate salts with an initial pH of 5 5was selected as the best environment for Rhodotorula Solid medium containing starch casein peptone nutrient agar phosphate and sulfate salts was chosen for themicroorganism isolated from soil while Hinton agar and salts potassium dihydrogenphosphate and magnesium sulfate were more suitable for the bacteria isolated from theair Microorganisms produced different red and yellow colorants which were able to dyewool nylon and acrylic fibers UV Vis spectroscopy of methanolic extract of dyes showeddifferent maximum absorption wavelength for colorants FTIR spectroscopy and HPLCwere used to identify the main functional groups and also differentiation of variousproduced colorants Dyeing with the obtained dye solution was carried out for varioustextiles under different dyeing method such as acidic basic disperse and direct dyes Theresults showed dye solution of Serratia and the bacteria in the soil had higher uptake onacrylic at higher pH indicating the cationic nature of colorants In contrast dye uptake on
استاد راهنما :
فرزانه علي حسيني
استاد داور :
مسعود بهار، محمود فيض
