ultrafilter


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Related to ultrafilter: ultrafiltration

ultrafilter

 [ul″trah-fil´ter]
the filter used in ultrafiltration.

ul·tra·fil·ter

(ŭl'tră-fil'tĕr),
A semipermeable membrane (collodion, fish bladder, or filter paper impregnated with gels) used as a filter to separate colloids and large molecules from water and small molecules, which pass through.

ultrafilter

[-fil′tər]
a semipermeable membrane with pores of a known diameter used to separate colloids and large molecules from water and other small molecules.

ultrafilter

the filter used in ultrafiltration.
References in periodicals archive ?
We also subjected serum pools to centrifugal passage through a 10-kDa Centricon ultrafilter to obtain the low molecular weight fraction for NMR analysis.
A neutrosophic ultrafilter on a set X is a neutrosophic crisp filter [PSI] such that there is no neutrosophic crisp filter on X which is strictly finer than [PSI] (in other words, a maximal element in the ordered set of all neutrosophic crisp filters on X).
Second, he found that the tumor-inducing factor could be passed through a Berkefeld ultrafilter known to retain bacteria.
Andrew has a BSc from Brunel University and after a short career in retail where he quickly became a store manager for Lidl, he joined Ultrafilter, now Donaldson, and remained with them for nine years achieving the status of top salesman in the UK on four occasions.