Nucleopore filter

Nucleopore filter

A nuclepore filter (brand name Nuclepore) is a kind of filter in which holes a few micrometres in size have been created in a plastic (e.g. polycarbonate) membrane. These filters are generally created by exposing the membrane to radiation that weakens the plastic and creates specific areas that can be removed by dousing the membrane in acid (or other chemicals). The technique and patent was developed by P. Buford Price, et al. as an outgrowth of his cosmic ray research. The technique allows for creating uniform holes of any desired diameter to allow even a virus to be filtered.

The most common use of nucleopore filters is in microbiology where they are used to trap cells while removing all other fluids and smaller particles.


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  • Nucleopore filter — Filter of defined pore size made by etching a polycarbonate filter that has been bombarded by neutrons, the extent of etching determining the pore size. Very thin, with neat circular holes going right through the membrane, not a complex meshwork… …   Dictionary of molecular biology

  • Millipore — may refer to: Millipore Corporation , an biosciences company Millipore filter, a nucleopore filter, nitrocellulose or polycarbonate membrane filter with a pore size 0.2 μm up to 20 µm Millipore chamber, or Millipore Diffusion chamber, a …   Wikipedia

  • Millipore Corporation — For other uses, see Millipore (disambiguation). EMD Millipore Type Subsidiary Founded 1954 Headquarters Billerica, Massachusetts, US …   Wikipedia

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