| http://www.w3.org/ns/prov#value | - The microorganisms and other contaminants can be concentrated from a large volume which renders possible rapid detection of even very low concentrations???in fact, the method's sensitivity is exclusively set by the minimum number of contaminants that has to be retained by the filter and by the physical properties of the filter, i.e. the size of volumes that can be passed through the filter while p
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