membrane filter


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filter

 [fil´ter]
1. a device for eliminating or separating certain elements, as (a) particles of certain size from a solution, or (b) rays of certain wavelength from a stream of radiant energy.
2. to cause such separation or elimination.
membrane filter a filter made up of a thin film of collodion, cellulose acetate, or other material, available in a wide range of defined pore sizes, the smaller ones being capable of retaining all the known viruses.
Millipore filter trademark for a device used to filter nutrient solutions as they are administered intravenously.
vena cava filter (vena caval filter) a filter used in the inferior vena cava to prevent pulmonary embolism.
Wood's filter a nickel-oxide filter that holds back all but a few violet rays and passes ultraviolet rays of about 365 nm; see also Wood's light.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

membrane filter

A filter made from biologically inert cellulose esters, polyethylene, or other porous materials.
See also: filter
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
Information on biological safety tests and materials of construction for a membrane filter should be obtained from the filter manufacturer.
Millipore offers one of the broadest ranges of membrane filters for sterilization or clarification of biological solutions, concentrating solutions, and sample preparation.
This report analyzes the global Membrane Filters Market in terms of its current and future scenario.
Summary: This report analyzes the global Membrane Filters Market in terms of its current and future scenario.

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