نتایج جستجو برای: eco friendly

تعداد نتایج: 55330  

Journal: :nanomedicine journal 0
meysam soltani nejad department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) mehrdad khatami department of biotechnology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university) gholam hosein shahidi bonjar department of plant pathology, college of agriculture, shahid bahonar university of kerman, iranسازمان اصلی تایید شده: دانشگاه شهید باهنر (shahid bahonar university)

objective(s): the development of reliable and ecofriendly process for the synthesis of nano-metals is an important aspect in the field of nanotechnology. nano-metals are a special group of materials with broad area of applications. materials and methods: in this study, extracellular synthesis of silver nanoparticles (snps) performed by use of the gram positive soil streptomycetes. streptomycete...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2015
jie zhange yunyue zhang longgang hu jiangjia zhang gang chen

to enhance solubility and the performance of a plant gum (from south peach tree of china, sp gum) as a drilling fluid additive, we explored the potential of modified sp (msp) gum by modifying it with epichlorohydrin. the modification conditions, such as the mass ratio of  the crosslinking agent, ph and temperature, were optimized and the results show that 56.40 g/100g mass ratio of the crosslin...

Journal: :international journal of nanoscience and nanotechnology 2008
anal k. jha k. prasad and a. r. kulkarni

a green low-cost and reproducible yeast mediated synthesis of silver nanoparticles is reported. the synthesis is performed at room temperature. x-ray and transmission electron microscopy analyses are performed to ascertain the formation of ag nanoparticles. nanoparticles almost spherical in shape having a size of 6-20 nm are found.

Journal: :international journal of nanoscience and nanotechnology 2015
m. khatami m. soltani nejad sh. pourseyedi

the field of nanobiotechnology mainly encompasses with physics, biology, chemistry and material sciences and it develops novel therapeutic nano-scale materials for biomedical, drug delivery, cancer therapy and pharmaceutical applications. silver nanoparticles (agnps) have unique physiochemical, biological and environmental properties which make them useful in a wide range of applications, so ag...

Journal: :international journal of environmental research 2013
m. ben ticha n. meksi m. kechida m.f. mhenni

textile industries use different chemicals in indigo dyeing processes. interest in eco-friendlyprocessing in the textile industry has recently increased because of a larger awareness of environmental issues. for the case of indigo dyeing process, the reducing agent conventionally used is the - environmentally unfavourable – sodium dithionite, which will be replaced in this study with an ecologi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1391

in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...

2014
S. Sarumathi

Today’s consumers are more aware of the environmental issues caused by heavy industrialization. They demand eco friendly products which will reduce the damages caused by industrialization. They are interested in buying eco friendly products and willing to pay more (Consumers who care). The willingness to pay more on eco-friendly products differs among demographic groups. This difference is caus...

2013
Seungbae Sim Hosang Jung

The objective of this study is to develop a model that determines the optimal points for investment in green management by defining a mathematical relationship between carbon trading profits and investments in green management using a company’s supply chain information. To formulate this model, we first define and analyze a green supply chain in a multi-dimensional and quantitative manner. The ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2010
chen grang liu bin tang ying wu ya

5(6)-carboxy-rhodamine 110 isomers were rapidly synthesized by condensation of 3-aminophenol and trimellitic anhydride using microwave irradiation as heating method. after esterification of the two isomers, separation and hydrolyzation provided target products,5-carboxy-rhodamine 110 and 6-carboxy-rhodamine 110, in high yields. the results shows microwave irradiation can effectively reduce the ...

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