Manufacture of Concentrated, Lipid-based Oxygen Microbubble Emulsions by High Shear Homogenization and Serial Concentration

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Manufacture of concentrated, lipid-based oxygen microbubble emulsions by high shear homogenization and serial concentration.

Gas-filled microbubbles have been developed as ultrasound contrast and drug delivery agents. Microbubbles can be produced by processing surfactants using sonication, mechanical agitation, microfluidic devices, or homogenization. Recently, lipid-based oxygen microbubbles (LOMs) have been designed to deliver oxygen intravenously during medical emergencies, reversing life-threatening hypoxemia, an...

متن کامل

Viscous friction in foams and concentrated emulsions under steady shear.

We present a model for the viscous friction in foams and concentrated emulsions, subject to steady shear flow. First, we calculate the energy dissipated due to viscous friction inside the films between two neighboring bubbles or drops, which slide along each other in the flow. Next, from this energy we calculate the macroscopic viscous stress of the sheared foam or emulsion. The model predictio...

متن کامل

Linear Viscoelasticity of Concentrated Emulsions

The linear viscoelastic response of an ordered dense emulsion is explored by numerical simulation. At concentrations below maximum packing, the stress relaxation is dominated by a single time scale associated with lubrication, which diverges at maximum packing. For concentrations above maximum packing, the stress relaxation is dominated by fast time scales of the order of the drop relaxation ti...

متن کامل

Osmotic Stabilisation of Concentrated Emulsions and Foams

In the absence of coalescence, coarsening of emulsions (and foams) is controlled by molecular diffusion of the dispersed phase species from one emulsion droplet (or foam bubble) to another. Previous studies of dilute emulsions have shown how the osmotic pressure of a trapped species within droplets can overcome the Laplace pressure differences that drive coarsening, and " osmotically stabilise ...

متن کامل

O/W emulsions stabilized by whey protein: Influence of heat treatment and high pressure homogenization

The objective of this work was to study the physical properties of O/W emulsions stabilized by whey proteins. Coarse emulsions were prepared with 30% (w/w) soy oil and water phase containing 7% w/w of non heated and denatured whey proteins at 70 or 90oC. These emulsions were high pressure homogenized at 250, 450 and 600 bar in order to obtain fine emulsions. Creaming kinetics of the emulsions o...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Journal of Visualized Experiments

سال: 2014

ISSN: 1940-087X

DOI: 10.3791/51467