نتایج جستجو برای: emulsions
تعداد نتایج: 7224 فیلتر نتایج به سال:
The use of nuclear emulsions to record tracks of charged particles with an accuracy of better than 1 micron is possible in large physics experiments thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated microscopes. The European Scanning System (ESS) is a fast automatic system developed for the mass scanning of the emulsions of the ...
We prepared emulsions of perfluorinated compounds and examined their utility as liquid matrixes for tonometry in quality control of blood pH and gas analyses. Emulsions of perfluorotributylamine and perfluorodecalin, prepared by sonication, consisted largely of particles not exceeding 0.2 micrometer in diameter. Unlike most aqueous solutions these materials were not easily contaminated by room ...
In the paper the novel soft magnetic composite system is investigated. A ferrofluid emulsion studied demonstrates the strong magnetic properties which are atypical for commonly known emulsions. Interaction of ferrofluid emulsions with a magnetic field is considered. Structural transformations in these media, such as deformation of emulsion microdroplets and emulsion inversion, are studied. The ...
Water-in-crude oil emulsions are formed during petroleum production and asphaltenes play an important role in their stabilization. Demulsifiers are added to destabilize such emulsions,however the demulsification mechanism is not completely known. In this paper, the performances of commercial poly(ethylene oxide-b-propylene oxide) demulsifiers were studied using synthetic water-in-oil emulsions ...
The cholesteryl esters transported from the intestine in chylomicrons are delivered to the liver. Hepatocytes take up chylomicron remnants by receptor-mediated endocytosis and the cholesteryl esters are subsequently degraded. In this study we measured the appearance in breath of labeled carbon dioxide after injection of chylomicron-like emulsions labeled with radioactive cholesteryl [1-14C]olea...
Stable and biodegradable oil in water (O/W) nano-emulsions can have a huge impact on a wide range of bio-applications, from food to cosmetics and pharmaceuticals. Emulsions, however, are immiscible systems unstable over time; polymer coatings are known to be helpful, but an effective procedure to stabilize monodisperse and biodegradable O/W nano-emulsions is yet to be designed. Here, we coat bi...
The applications of plant proteins in the food and beverage industry have been hampered by their precipitation in acidic solution. In this study, pea protein isolate (PPI) with poor dispersibility in acidic solution was used to form complexes with soybean soluble polysaccharide (SSPS), and the effects of PPI aggregates on the structure and stability of PPI/SSPS complex emulsions were investigat...
Camelina sativa seed is an underutilized oil source rich in omega-3 fatty acids; however, camelina oil is not fully explored for food applications. Its high omega-3 content makes it susceptible to oxidation, which may limit food applications. Therefore, the main objective of this study was to investigate the potential of camelina seed oil to form physically and oxidatively stable emulsions as a...
ferula gumosa boiss is one of the natural plants of iran whose exudates (barijeh) can be used in food industry. in the present study the properties of the gum extracted from tubers of ferula gumosa were examined. for this purpose, gum was extracted from crude exudates by alcoholic extraction with 90% (v/v) ethanol. the purity of gum was relatively high, and it was composed mostly of polysaccha...
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