نتایج جستجو برای: water oil emulsion

تعداد نتایج: 678137  

Journal: :Chemical communications 2012
Xiantao Shen Tongchang Zhou Lei Ye

A new strategy of molecular imprinting to prepare spherical hydrogels via water-in-oil Pickering emulsion polymerization was developed. The imprinted hydrogels exhibited fast adsorption kinetics and significant selectivity for the target protein.

Journal: :Chemical communications 2016
Anthony L B Maçon Saif Ur Rehman Robert V Bell Jonathan V M Weaver

The judicious compositional and structural design of a branched co-polymeric surfactant allows for the production of highly stable oil in water emulsion droplets with reversible electrostatic aggregation behaviour.

Journal: :Journal of colloid and interface science 2012
Baoru Yin Wei Deng Keke Xu Luwen Huang Ping Yao

In this research, a simple, green and effective strategy was developed to produce long-term stable oil in water emulsion from soy protein and soy polysaccharide. Soy protein and soy polysaccharide formed dispersible complexes at pH around 3.25 aqueous solution through electrostatic and hydrophobic interactions. A high pressure homogenization produced the protein/polysaccharide complex emulsion ...

Journal: :Advances in colloid and interface science 2006
P Somasundaran Somil C Mehta Parag Purohit

Silicone polymers are a class of hybrid organic/inorganic polymers, that show desirable surface properties such as low surface energy and high flexibility, which enables even a very high molecular weight chain to achieve optimal orientation at the interface. They have excellent physical properties such as water repellency, heat stability, and high resistance to chemical and UV attack. Silicone ...

Journal: :JSEA 2011
Javad Sargolzaei Mohamad Taghi Hamed Mosavian Attieh Hassani

The aims of this research are to study application of high power ultrasound in preparation of stable oil-in-water emulsion. The effect of pH, ionic strength, pectin, Guar gum, lecithin, egg yolk, and xanthan gum as well as the time of sonication, temperature and viscosity of oil-water mixture on the specific surface area and size of droplets, and creaming index of the emulsion samples was inves...

Journal: :Food chemistry 2015
N P Aditya Sheetal Aditya Hanjoo Yang Hye Won Kim Sung Ook Park Sanghoon Ko

Curcumin and catechin are naturally occurring phytochemicals with extreme sensitivity to oxidation and low bioavailability. We fabricated a water-in-oil-in-water (W/O/W) double emulsion encapsulating hydrophilic catechin and hydrophobic curcumin simultaneously. The co-loaded emulsion was fabricated using a two-step emulsification method, and its physicochemical properties were characterised. Vo...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2004
F Michaut P Perrin P Hébraud

We have investigated the dynamic rheological properties of concentrated multiple emulsions to characterize their amphiphile composition at interfaces. Multiple emulsions (W1/O/W2) consist of water droplets (W1) dispersed into oil globules (O), which are redispersed in an external aqueous phase (W2). A small-molecule surfactant and an amphiphilic polymer were used to stabilize the inverse emulsi...

2005
Dimitris Argyropoulos Dimitris S. Argyropoulos Orlando Jose Rojas

BODY: The properties of lignins as emulsification agents in systems composed of water and oil are presented. Laboratory and industrial Kraft lignins were characterized in terms of surface activity and phase behavior in equilibrated Lignin−Oil−Water systems. Lignin−based emulsions were obtained for oil fractions of different Equivalent Alkane Carbon Number. The properties of emulsions obtained a...

2013
Arkadiusz Szterk Marek Roszko Ewa Górnicka

The aim of this study was to examine the oxidation of selected plant oils in concentrated beverage emulsions colored with natural β-carotene. Carotenoid preparations obtained from carrots were dissolved in cold-pressed linseed oil, refined canola oil, and refined palm olein. Oxidative stability of the lipids was examined with and without addition of the pigment to the oil/water (O/W) emulsion. ...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2011
Mao Illich Romero Marcio S Carvalho Vladimir Alvarado

Transport of emulsions in porous media is relevant to several subsurface applications. Many enhanced oil recovery (EOR) processes lead to emulsion formation and as a result conformance originating in the flow of a dispersed phase may arise. In some EOR processes, emulsion is injected directly as a mobility control agent. Modeling the flow of emulsion in porous media is extremely challenging due...

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