ultrafiltration

(redirected from Ultrafiltered)
Also found in: Dictionary, Encyclopedia.

ultrafiltration

 [ul″trah-fil-tra´shun]
filtration through filters with minute pores, thus allowing the separation of extremely minute particles. It occurs naturally, as in the filtration of plasma at the capillary membrane, and is also performed clinically and in the laboratory, such as in hemodialysis, where it involves the bulk movement of solute and solvent across the membrane down pressure gradients and is usually performed under pressure to accelerate the process.

ul·tra·fil·tra·tion

(ŭl'tră-fil-trā'shŭn),
Filtration through a semipermeable membrane or any filter that separates colloid solutions from crystalloids or separates particles of different size in a colloid mixture.

ul·tra·fil·tra·tion

(ŭl'tră-fil-trā'shŭn)
Filtration through a semipermeable membrane or any filter that separates colloid solutions from crystalloids or separates particles of different size in a colloid mixture.

ultrafiltration

Filtration through a SEMIPERMEABLE MEMBRANE that allows only the passage of small molecules, such as those smaller than protein molecules.

ultrafiltration

the process by which small molecules and ions are separated from larger molecules in blood to form the INTERSTITIAL FLUID or in the kidney to form the renal filtrate.

ultrafiltration 

One of the mechanisms that produce aqueous humour from blood plasma into the ciliary epithelium of the ciliary processes. This mechanism takes advantage of the natural pressure gradient between the capillary vascular pressure and intraocular aqueous pressure, to drive fluid into the eye. Ultrafiltration is one of three physiological processes that create aqueous fluid, the others being active transport and diffusion. See ciliary body; diffusion; active transport aqueous rate of outflow humour.
References in periodicals archive ?
Adding fairlife Ultrafiltered Milk to our portfolio means we can offer Canadians more of what they are looking for - products with less sugar, more functional benefits and more natural ingredients."
The mixtures were centrifuged to remove the precipitate and the resulting protein hydrolysates were ultrafiltered using Amicon 3 kDa cut off centrifugal filter unit to remove proteins greater than 3 kDa.
All proteins were further treated with an endotoxin binding column (Pierce LAL Chromogenic Endotoxin Quantitation Kit) and ultrafiltered (Amicon Ultra Unit) to remove buffer salts (22).
Fairlife, the third-highest-ranking small company, sells ultrafiltered milk, which is richer in protein than conventional milk.
Incorporation of Lactobacillus casei in Iranian ultrafiltered Feta cheese made by partial replacement of NaCl with KCl, Journal of Dairy Science.
(2008) and Slattery and Morrison (1995), whereby soil solutions were ultrafiltered to <0.025 [micro]m before analysis.
Physicochemical and structural properties of ultrafiltered buffalo milk and milk powder.
In order for honey to be ultrafiltered, it must first be watered down.
The digests were further transferred to a new tube, ultrafiltered by 10 kDa Microcon filtration device (Sartorius, Germany) to remove large molecules, and lyophilized to dryness.
The IgG peak was ultrafiltered on Amicon Centriplus YM-3 and proteins measured by BCA protein assay.
The supernatant was ultrafiltered (Amicon Ultra-0.5 [micro]L 10 kDa, Millipore, USA) at 14,000 g (15 min, 25[degrees]C).
Development of proteolysis in ultrafiltered Turkish white-brined cheese (Urfa type)--effect of brine concentration.