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Microbial secreted polymers have high molecular weight due to the presence of repeated units of macromolecules. Some of the polymers are derived from natural resources, including marine and soil microorganisms. In nano-biotechnology people are using different biological agents in the preparation of metal nanoparticles. In this study, the microbial(More)
Cotton linters were dissolved in aq. (8% LiOH+15% urea) that was pre-cooled to -12.5°C. Using this solution cellulose gel films were prepared by regeneration method with ethyl alcohol as a coagulant. These wet films were diffused with 10wt% Cassia alata leaf extract that acted as a reducing agent. The leaf extract diffused cellulose wet films were used as(More)
In this work, two bioflocculants, namely, EB-EPS and B1-EPS, were derived from Enterobacter sp. and Bacillus sp., respectively, and analyzed with regard to their production and characterization. About 0.9 and 0.16 g of purified EB and B1 were obtained from I L of fermentation broth. Chemical analysis showed the contents of purified EB and B1 mainly as 88.7(More)
In the present work, copper nanoparticles (CuNPs) were in situ generated inside cellulose matrix using Terminalia catappa leaf extract as a reducing agent. During this process, some CuNPs were also formed outside the matrix. The CuNPs formed outside the matrix were observed with transmission electron microscope (TEM) and scanning electron microscope (SEM).(More)
The present study investigates the influence of process parameters such as different alkali, concentration of alkali and duration of treatment on flexural and impact properties of Sansevieria/polyester composites. The L9 orthogonal array was selected for conducting the experiments. The Sansevieria cylindrica fibre reinforced polyester composites were(More)
In the present work, copper nanoparticles (CuNPs) were in situ generated in cellulose matrix using Ocimum sanctum leaf extract as a reducing agent and aq. CuSO4 solution by diffusion process. Some CuNPs were also formed outside the film in the solution which were separated and viewed by Transmission electron microscope and Scanning electron microscope(More)
SOA has been widely and quickly adopted in different organizations during recent years. SOA enables to solve integration complexity problem and facilitates broadscale interoperability and unlimited collaboration across the organization. In this paper we demonstrate how Service Oriented Architecture (SOA) is important in Business Organizations based on a(More)
The worldwide revolution in internet is changing our life in terms of the way of work, learn and work together with others. These changes should reflect the way government functions in terms of the organization of the government, its connection with its citizens, institutions and industries and cooperation with other governments. Also, the increasing(More)
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