نتایج جستجو برای: environmental scanning electron microscopy

تعداد نتایج: 848951  

J. Bakar, S. kharidah Y. Che. Man Y. Moradi

The aim of this study was to investigate the effects of breading materials and two different frying oils on the fat up-take in the fish fillets during frying process. Breaded and non-breaded black pomfret (Parastromateus niger) fillets were fried in sunflower oil and palm olein. Fat content by Soxhelet method and scanning electron microscopy (SEM) was studied. Results from Soxhelet method showe...

Scanningelectron microscopy (SEM) has been utilized  to examine  the morphology and topography alterations  in the surface of Poly(Lactic Acid)(PLA) fabrics due to UV/Ozoneirradiation. In the past decade, a growing attention in the usage of “Green Techniques” in industrial applications has been observed owing to many benefits such as low impurities and their relatively low cost to substitute th...

Journal: :Journal of microbiological methods 2013
Michael Laue Gerhard Fulda

Diagnostic negative staining electron microscopy is a front-line method for the rapid investigation of environmental and clinical samples in emergency situations caused by bioterrorism or outbreaks of an infectious disease. Spores of anthrax are one of the diagnostic targets in case of bioterrorism, because they have been used as a bio-weapon in the past and their production and transmission ar...

Journal: :Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada 2010
Zuzana Burdíková Martin Capek Pavel Ostašov Jiří Machač Radek Pelc Edward A D Mitchell Lucie Kubínová

Testate amoebae (TA) are a group of free-living protozoa, important in ecology and paleoecology. Testate amoebae taxonomy is mainly based on the morphological features of the shell, as examined by means of light microscopy or (environmental) scanning electron microscopy (SEM/ESEM). We explored the potential applications of confocal laser scanning microscopy (CLSM), two photon excitation microsc...

Journal: :international journal of nano dimension 0
z. sobat catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran. s. sadegh hassani catalysis and nanotechnology research division, research institute of petroleum industry, p. o. box: 1485733111, tehran, iran.

scanning near-field optical microscopy (snom) is a member of scanning probe microscopes (spms) family which enables nanostructure investigation of the surfaces on a wide range of materials. in fact, snom combines the spm technology to the optical microscopy and in this way provide a powerful tool to study nano-structures with very high spatial resolution. in this paper, a qualified overview of ...

2011
PETER HARRIS

range of techniques Hooke could not possibly have imagined. Some of these techniques, like transmission electron microscopy and atomic force microscopy, can resolve individual atoms, while others, like environmental scanning electron microscopy, can image biological specimens at high resolution in something close to their natural state. As well as providing incredibly detailed images, modern mi...

Journal: :journal of nanostructures 2012
m. dadkhah m. salavati-niasari n. mir

caco3 nanoparticles have been synthesized via heat-treatment of a new precursor and solid state reaction. effect of calcinations temperature and quantity of surfactant on particle size has been investigated. the products were characterized by x-ray diffraction (xrd), scanning electron microscopy (sem), transmission electron microscopy (tem) and fourier transform infrared (ft–ir) spectroscopy.

Journal: :journal of nanostructures 2015
p. iranmanesh s. saeednia s. rashidi dafeh f. yahyanasab

cd1-xmnxs (x = 0, 0.1, 0.2) nanoparticles, prepared by co-precipitation method under ultrasonic irradiation, were studied by means of x-ray diffraction, scanning electron microscopy, ftir and uv-vis  spectroscopy measurements. the average particle size of nanoparticles from the scanning electron microscopy image is about 20-30 nm. results show that partial substitution of cd by mn leads to a re...

Journal: :journal of nanostructures 2016
m. ebadi h. shagholani h. jahangiri

in current work, cds/black carbon nanocomposites were successfully synthesized with the aid of chestnut and cadmium nitrate as the starting reagents. besides, the effects of preparation parameters such as reaction time, and precursor concentration on the morphology of products and removal of heavy metals (hg+2, pb+2) were studied by scanning electron microscopy images and batch adsorption mode....

Journal: :Journal of visualized experiments : JoVE 2015
Diana B Peckys Niels de Jonge

This protocol describes the labeling of epidermal growth factor receptor (EGFR) on COS7 fibroblast cells, and subsequent correlative fluorescence microscopy and environmental scanning electron microscopy (ESEM) of whole cells in hydrated state. Fluorescent quantum dots (QDs) were coupled to EGFR via a two-step labeling protocol, providing an efficient and specific protein labeling, while avoidi...

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