نتایج جستجو برای: scannining electron micrograph
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Nanomaterials are attracted a great deal of attention from scientific community due to its unique properties and applications. The small size ferrites have opened the door for intensive research to utilize their properties for biomedical applications. Cobalt ferrite nanomaterials and its silver doped (Ag-doped) nanocomposites have been prepared using solid state combustion method. This combusti...
Synthesis, characterization and thermal study of poly (methyl methacrylate)-Co3O4 nanocomposite film
Nanosized metal oxides dispersed polymer composites constitute a fascinating class of polymer composite materials. Synthesis of such composite materials through solvent casting enhances the polymer synthetic technology. Solvent casting method was used to prepare Cobalt oxide (Co3O4) dispersed Poly (methyl methacrylate) (PMMA) nano composite<span style="text-decoration: und...
A novel cellulose-producing organism was isolated from the liquid part of a 3-year ripened persimmon vinegar, which belonged to the family of Acetobacteracea based on its morphological and physiological characteristics. The phylogenetic position of the isolated strain was most closely related to Gluconacetobacter intermedius TF2 T (99.929%), hence, it was specifically named as Gluconacetobacter...
Preliminary results show microradiography and scanning electron microscopy (SEM) to be more accurate methods of accessing growth layer groups (GLGs) in the teeth of Tursiops fmncarus than transmitted light microscopy. Microradiography shoas the rhythmic deposition of mineral as alternating radiopaque and radiolucent layers. I t improves the resolution of CLGs near the pulp cavity in older indiv...
www.sciencemag.org SCIENCE VOL 329 2 JULY 2010 5 COVER Electron micrograph of Mycoplasma mycoides JCVI-syn1.0 cells (magnifi cation ~25,000×). These cells were produced following transplantation of a 1.08–megabase pair synthetic M. mycoides genome into M. capricolum recipient cells. The cells are controlled by the synthetic genome, exhibit the expected phenotypic properties, and are capable of ...
A bacteriocin producing strain of Lactococcus lactis subsp. lactis LABW4 was isolated from naturally fermented milk product which exhibited strong antibacterial activity against Listeria monocytogenes MTCC657, a food spoilage psychrophilic organism. Both cell free and heat killed supernatants of LABW4 were effective to produce zones of inhibition against L. monocytogenes in vitro. The antibacte...
Automatic interpretation of Transmission Electron Micrograph (TEM) volumes is central to advancing current understanding of neural circuitry. In the context of TEM image analysis, tracing 3D neuronal structures is a significant problem. This work proposes a new model using the conditional random field (CRF) framework with higher order potentials for tracing multiple neuronal structures in 3D. T...
Foraminifera are single-celled organisms with internal calcerous shells, known as tests. The image above shows a shell with a planispiral chamber arrangement — during growth, chambers are added sequentially to form a coil in a flat spiral. Foraminiferan tests are quite diverse. The image shown here came from a study on the nature of the material in the calcerous test and how the foraminifera de...
in this research we have studied the effect of some transition-metals (cu, ag and au) substitutions on two-electron reduction potential of flavins by application of dft method. all geometries have been optimized at blyp level of theory and “6-31+g** + lanl2dz” mixed basis set. the frequency job at the same method and basis sets has been performed to obtain gibbs free energy of compounds. it h...
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